Hurricane names and forecast for 2012

 Mexico's geography in the Press  No Responses »
May 172012
 

The 2012 hurricane season in Mexico is underway. The “official” hurricane season is from 15 May to 30 November each year for Pacific coast storms, and from 1 June to 30 November for Atlantic storms, though most hurricane activity is concentrated in the months from July to September. Hurricanes are also known as typhoons or tropical cyclones.

The table shows the World Meteorological Organization’s official list of 2012 hurricane names. Note that male and female names alternate. Names are often reused in future years, with the exception of the names of any particularly violent storms, which are officially “retired” from the list for a long time.

2012 Hurricane Names for the Atlantic, Gulf of Mexico and Caribbean
AlbertoGordonLeslieRafael
BerylHeleneMichaelSandy
ChrisIsaacNadineTony
DebbyJoyceOscarValerie
ErnestoKirkPattyWilliam
Florence

2012 Hurricane Names for the Eastern Pacific
AlettaGilmaMiriamTara
BudHectorNormanVicente
CarlottaIleanaOliviaWilla
DanielJohnPaulXavier
EmiliaKristyRosaYolanda
FabioLaneSergioZeke

This year, Philip Klotzbach and William Gray, researchers at Colorado State University,expect hurricane activity in the Atlantic to be lower than average, about half as active as last year, when 20 tropical storms, seven hurricanes and four major hurricanes were recorded. They predict that in the 2012 season 10 named storms will form in the Atlantic: 6 tropical storms, 2 moderate hurricanes (1 or 2 on the Saffir-Simpson scale), and 2 severe hurricanes (3, 4 or 5 on the Saffir-Simpson scale).

Want to know more about the way in which the prediction is made and what it is based on?

For the Pacific coast, Mexico’s National Meteorological Service (Servicio Metrológico Nacional, SMN) is expecting 13 storms: 7  tropical storms, 4 moderate hurricanes (1 or 2 on the Saffir-Simpson scale), and 2 severe hurricanes (3, 4 or 5 on the Saffir-Simpson scale). The SNM publishes regular updates on hurricane activity (in Spanish) on its webpage and via its Twitter account: @huracanconagua.

Related posts:

1964 Mexican postage stamp features unusual map projection

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May 142012
 

One of the more beautiful, unusual and useful map projections ever devised was created by cartographer Bernard Cahill. The butterfly projection was first published in the Scottish Geographical Magazine in 1909. Cahill (1866-1944) later applied for a US patent to protect his creation.


I first came across Cahill’s projection on a stamp issued in Mexico in 1964. The design of the stamp (see image) shows his world map, an octahedral whose eight faces have been flattened into a shape resembling a butterfly. Ever since then I have wondered why such an unusual map would be chosen for a Mexican stamp that commemorated the 10th Conference of the International Bar Association (IBA), held that year in Mexico City. Coming some 20 years after the designer’s death, it seems an unlikely choice. So far, all my efforts to find a link between Cahill, the IBA and Mexico have drawn a blank. (Note to readers: Help needed!)

Cahill’s butterfly map, like Buckminster Fuller’s later Dymaxion Maps (1943 and 1954) enabled all the continents to appear linked, and with reasonable fidelity to a globe. Cahill demonstrated this principle by also inventing a rubber ball globe which could be placed under a pane of glass and flattened into the “Butterfly” form. When removed, the map/globe reverted to its original shape.

The original Cahill projection (1909). Credit: Gene Keyes

The original Cahill projection (1909). Credit: Gene Keyes

Largely in honor of his cartographic innovation, Cahill was elected a Fellow of the Royal Geographical Society. In 1913 he started the Cahill World Map Company, but this company was not successful and his map has since been largely forgotten by most people.

But not by cartographer Gene Keyes! Except for Cahill himself, no follower of Cahill’s projection has ever been as dedicated as Gene Keyes, a former student of Buckminster Fuller. Keyes’ website is a mine of information about Cahill and his map projection, and is well worth reading.

Born in the UK, Bernard Joseph Stanislaus Cahill (18661944) was an architect, town planner and cartographer who moved to San Francisco, California, in 1888. He was an early proponent of the San Francisco Civic Center and designed that city’s Neptune Society Columbarium.

Cahill encountered some stiff obstacles in the many years it took him to develop his butterfly projection. For example, he lost all his initial drawings and papers in the disastrous San Francisco earthquake and fire of 1906. At least one major publisher signed a contract to publish the butterfly map as a wall map and in an atlas, but then failed to follow through.

Cahill’s world map used for world tours

Soon after its creation, Cahill’s butterfly map was used to illustrate a flying trip around the world, or circumaviation, proposed for the Panama Pacific International Exposition held in San Francisco in 1915. The map was exhibited at this exposition and won a gold medal for cartography. Some time later, the map was used by both the State of California and the City of Charleston to illustrate shipping routes.

In 1924, the American Express Company chose the map for use during a world tour aboard the Cunard ocean liner Laconia. According to Keyes, the map was prominently displayed on the Palm Deck of the ship and seen by Robert Ripley, a participant on the world tour, who later featured it in his Believe it or Not series.

Perhaps the closest Cahill came to seeing his map in more general use came in 1937, when the International Meteorological Committee apparently came within a single vote of adopting a version of his projection for all world weather charting.

No wonder, then, that in Keyes’ words, “Cahill should be seen in company with other pioneers such as Charles Babbage or Gregor Mendel, who died long before their efforts gained wider appreciation. As well, he antedates Buckminster Fuller, prophet of Spaceship Earth.”

Keyes goes on to note that, “Cahill was not merely an astute architect and cartographer, but, that like Fuller, his map expressed an underlying whole-earth philosophy much like themes which emerged 60 years later. Cahill used the term “geosophy” in that regard….” (And used it as early as 1912, well before the geographer J.K. Wright, commonly credited for having coined the term in 1947).

Will Cahill’s map ever catch on? The latest sign of renewed interest in Cahill’s projection comes from its adaptation by the New York Times as the basis for a series of 10 maps published in December 2011 illustrating the changing world of computing, communications and technology.

Keyes closes his account of Cahill’s map by quoting Ambrose Bierce, who in a letter to Cahill, wrote that, “The Butterfly Map is indubitably the right one, but it will be a long time before it gets into general use….”

Sadly, that has proved to be all too true, despite its inclusion in the design of a Mexican postage stamp.

Related posts using Mexican stamps for illustration:

How serious is corruption in Mexico?

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May 122012
 

Recent allegations of bribery related to Wal-Mart de México beg two questions:

  • How serious is corruption in Mexico?
  • How does corruption in Mexico compare to that of other countries?

Fortunately for us, these questions have been comprehensively investigated by Transparency International (TI), a global civil society organization dedicated to reducing corruption. TI defines corruption as “abuse of entrusted power for private gain”.

Its recent study, “Corruption Perceptions Index 2011” focuses on “perceptions” because corruption is a hidden activity that is difficult to measure. The Corruption Perceptions Index (CPI) draws on a wide array of surveys and polls of international experts, business opinion surveys and country residents. It is based on 17 data sources from 13 different institutions. The focus is on bribery, kickbacks and embezzlement involving politicians, public officials and civil servants. Anti-corruption efforts are also considered.

Given the difficulties associated with measuring and interpreting corruption, the CPI has received considerable criticism. (For example, see this Wikipedia entry on  Corruption Perceptions Index). Despite this criticism, the CPI provides a viable approach to comparing corruption in various countries.

According to this index, perceived corruption in Mexico has become considerably worse in the past few years. In terms of freedom from corruption, Mexico’s 2011 score of 3.0 ranks it below the middle, in rank #100 out of 182 countries, tied with 11 other countries including Argentina and Indonesia. It is interesting to note that some individual Asian, African, European and Latin American countries are considerably ahead of Mexico (see table), but others are considerably behind.

CountryRankCountryRankCountryRank
New Zealand1South Africa64Argentina100=
Canada10Italy69=Indonesia100=
UK16Ghana69=Egypt112
Chile22Brazil73Guatemala120
USA24China75Nigeria143=
South Korea43Colombia80Russia143=
Saudi Arabia57India95Venezuela172
Turkey61MEXICO100=Somalia182

Within Latin America, Mexico is far better than Venezuela, Haiti and Paraguay. However, it is way behind Chile, Uruguay, Costa Rica and Brazil. As a regional leader, Mexico should do much better in terms of corruption.

Back in 2008, Mexico’s score of 3.6 placed it significantly above the middle. It was then ahead of Brazil, India, China, Saudi Arabia and Turkey; now it trails these five countries. Why Mexico’s score has dropped significantly since 2008 is not exactly clear, but is probably related to the escalation of the drug wars.

Mexico has signed several multilateral anti-corruption agreements, and recently passed a stiff anti-corruption law. However, legal instruments alone will not reduce corruption in Mexico, according to Emilio Godoy in his article “Tangled Web of Corruption Debilitates Mexico” (IPS, 10 May 2012). What is needed is aggressive government action as well as dramatic cultural changes among public and private sector officials. This will not be easy, given the existing long-established systems based on patronage, nepotism, cronyism and organized crime.

If Mexico is going to continue attracting foreign investment and experience economic and social growth in the years ahead, it will have to do much better with respect to its level of corruption.

Mother and child health in Mexico: how does Mexico compare to the rest of the world?

 Updates to Geo-Mexico  No Responses »
May 102012
 

Linked to Mother’s Day [10 May in Mexico], Save the Children just published their 13th annual report on the“State of the World’s Mothers”.

The report investigates childhood malnutrition and relates it to the well-being of mothers. The focus is on the first 1,000 days from the time of conception to the child’s second birthday. Proper nutrition and health care during these 1,000 days are critically important to brain development and the welfare of the child throughout its lifetime.

Mother and child in a Mexican market

Mother and child in a Mexican market. Photo: Tony Burton.

For decades, development experts have recognized that health, education and economic opportunity of mothers are crucially important to the quality of life of their children. Mothers’ level of education is often the most important factor.

The impacts last for numerous generations. Not only do the children of more educated mothers do better, but their grandchildren and great grandchildren also do better. On the other hand, malnourishment during the first 1,000 days is linked to low education and economic opportunity for the child. It can result in daughters getting pregnant earlier and having less healthy children. This vicious circle can continue for generations.

How does Mexico stack up with other major countries around the world? The results for Mexico are a bit mixed. From 1990 to 2010 Mexico recorded an impressive decrease in malnutrition of 3.1% per year. (The measure of malnutrition used in this comparison was children too short for their age, “stunting”). Mexico has cut malnutrition almost in half (47%) since 1990. This decrease ranks it 11th among the 165 countries analyzed. Much of this progress is associated with Mexico’s Oportunidades Program. The ten countries that did better than Mexico include China (6.3%), Brazil (5.5%), and Vietnam (4.3%). Fifteen countries suffered increases in malnutrition during the 20 year period, including Somalia (6.3%/year), Afghanistan (1.6%/year) and Yemen (1.0%/year).

On the other hand, the study points out that, given its level of Gross Domestic Product (GDP) per capita, Mexico’s level of malnutrition is higher than it should be. Other under-performers include the USA, Singapore, India, Indonesia, Guatemala, Peru, South Africa and Venezuela. These countries tend to have very inequitable distributions of income. Surprisingly, Brazil, with one of the worst levels of income inequality, was among the group of countries with lower malnutrition than expected given their GDP per capita. Other over-performers include Chile, Ukraine, China and Vietnam. Obviously, in all countries malnutrition is much worse among the poor.

The study divides the 165 countries into the three Tiers used by the United Nations. The Tiers are labeled I-“more developed”, II – “less developed” and III – “least developed”. Tier I is limited to Japan and European countries. Mexico is one of 80 countries in Tier II (“less developed” countries).

The UN has a “Women’s Health Index” for Tier II, comprised of lifetime risk of maternal death, percent of women using modern contraception, percent of births attended skilled attendant, and female life expectancy at birth. Within this group, Mexico ranks 19th in “Mother’s (Health) Index” compared to Cuba (ranked 1st), Argentina (4th), Brazil (12th), China (14th), South Africa (33rd), Turkey (47th), Iran (50th), Philippines (52nd), Indonesia (59th), Saudi Arabia (63rd), Egypt (65th), Guatemala (68th), India (76th), Pakistan 78th) and Nigeria (80th).

The differences between ranks appear to overstate the real differences. For example, the scores on the individual variables for Mexico (19th) and Argentina (4th) are relatively close. The chance of maternal birth-related death is one in 500 for Mexico versus 600 in Argentina. In Mexico 95% of births are attended by a trained worker compared to 98% in Argentina. Two thirds (67%) of Mexican women use modern contraception methods compared to 64% in Argentina. Life expectancy for women is 80 years in both countries.

The UN “Children’s Health Index” for Tier II is comprised of under age five mortality rate, percent of children under 5 moderately or severely underweight for age, gross primary enrollment ratio, gross secondary enrollment ratio and percent of population with access to safe drinking water.

Mexico ranks 18th among Tier II countries in terms of “Children’s (Health) Index” compared to Cyprus (1st), South Korea (2nd), Brazil (7th), Argentina (8th), Turkey (10th), Egypt (21st), Iran (26th), China (34th), South Africa (56th), Guatemala (63rd), Philippines (64th), Indonesia (70th), Pakistan (76th), India (77th) and Nigeria (82th). Here again, the differences between ranks appear to overstate the real differences.

While Mexico has made impressive progress concerning mother’s and baby’s health, it still lags behind Argentina and Brazil not to mention virtually all European countries. The biggest concern is rural areas of Mexico, especially southern Mexico, which seriously trail urban Mexico in terms women’s and child’s health. For example, infant mortality rates are highest in Chiapas, Oaxaca and Guerrero, followed by Veracruz, Hidalgo and Puebla. On the bright side, rural areas are making great progress thanks to programs like Oportunidades.

Happy Mother’s Day!

 

Update on the activity of Popocatepetl Volcano

 Mexico's geography in the Press  No Responses »
May 102012
 

In the past few days, Popocatepetl Volcano has continued to emit gas, steam and ashes, periodically shooting ash-laden clouds high into the sky. The columns of ash have risen up to 2500 meters above the volcano before drifting downwind. Depending on the wind direction at the time, light falls of ash have been reported from Mexico City (especially the Milpa Alta and Iztapalapa districts) and the city of Puebla.

Ash cloud rises above Popocatepetl

Ash cloud rises above Popocatepetl Volcano

The National University’s Atmospheric Sciences Institute has developed atmospheric models taking account of the volcanic emissions and is releasing regular forecasts of where ash is likely to fall.

Ramón Espinasa Pereña, who heads the Geological Risks department in the National Disaster Prevention Centre (Centro Nacional de Prevención de Desastres, Cenapred) expressed concern recently that Popocatepetl Volcano could be headed towards much more significant activity in coming weeks.

In an interview with Mexico City daily Excelsior, Espinasa started by saying that that the current level of activity is less than that experienced in 2000 when the volcano’s heat caused the melting of the glacier then found on the northwest side of the mountain. However, he added, the situation today is quite different. The dome of lava inside the crater of Popocatepetl Volcano has been growing, increasing the risks of a significant and possibly explosive eruption. In 1994, prior to the 2000 eruption, the crater of the volcano was about 800 meters long, 600 meters wide and 100 meters deep. The activity in 2000 raised successive domes of lava in the crater to within 20 or 30 meters of the crater rim. So far this year, the depth of the crater has remained about the same, but only because almost all the new material being added to the existing domes is being blown into the air.

Experts are concerned that the high density of the magma beneath the volcano may lead to the existing vents being blocked. If this happens, pressure will build up underground and greatly increase the possibility of a violent eruption.

Evacuation plans have been in place since 1994, and they have been modified and updated regularly since. There are ten major evacuation routes (see map). The villages most at risk (inside the 12-kilometer radius “high risk” zone) include several in the states of Puebla (San Nicolás de los Ranchos, Santiago Xalitzintla, San Pedro Benito Juárez, San Baltazar Atlimeyaya and Tochimilco), Morelos (Ocuituco, Tetela del Volcán, Yecapixtla, Zacualpan de Amilpas and Temoac) and the State of México (Tepetlixpa, Ozumba, Atlautla, Ecatzingo and Amecameca).

Popocatepetl Volcano: the planned evacuation routes

Popocatepetl Volcano: the planned evacuation routes

Last week, the evacuation system (that will only be put into effect if the risk level rises) was tested with a large-scale practice evacuation in which the Mexican Army assisted municipal and state officials and emergency response crews. The practice has enabled authorities to improve the forecasts of precisely how long it will take to evacuate all villagers from the likely danger zone, in the event that the risk level is raised.

Evacuation will not be easy. Some local inhabitants argue that the volcano has never caused them any harm, because, on the contrary, it is their “protector and guide”. They are unlikely to move voluntarily even if an eruption is imminent. They hold a festival each year on 12 March thanking the volcano for its rich soil, abundant rainfall and “to keep the volcano calm and happy.” The ceremonies include the placing of offerings part-way up the volcano, accompanied by folk dancing.

Related posts:

 

Alexander von Humboldt’s visit to Mexico, 1803-1804

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May 072012
 

Alexander von Humboldt‘s visit to Mexico began in Acapulco on March 22, 1803, and lasted for almost a year. (He left Mexico via Veracruz for the USA on March 7, 1804.) In his year in Mexico, Humboldt had been incredibly busy. He had measured, recorded, observed and written about anything and everything, with remarkable industry and accuracy. He had climbed mountains, burned his boots on active volcanoes, descended into mines, recorded geographical coordinates, and collected numerous specimens and antiquities. Humboldt’s Political Essay on the Kingdom of New Spain was the first systematic scientific description of the New World. It appeared in 1811, and marked the birth of modern geography in Mexico. His figures and ideas were used and quoted by writers for many many years.

Humboldt had also drawn a large number of maps, drawings and sketches and it can rightly be claimed that the modern era of Mexican map-making began with Alexander von Humboldt, and was then developed further later in the 19th century by cartographers such as Antonio García Cubas.

Humboldt's route in Mexico

Humboldt's route in Mexico. Click to enlarge

Alexander von Humboldt (Self-portrait c1814)

Alexander von Humboldt (Self-portrait c1814)

The map above shows the route followed by Humboldt during his time in Mexico. The map comes from the book La obra de Alexander von Humboldt en México by Rayfred Lionel Stevens-Middleton  (Mexico D.F.: Instituto Panamericano de Geografía e Historía, 1956). This hard-to-find work is a comprehensive account of Humboldt’s time in Mexico and of his significance for the development of what the author refers to as “modern geography”.

The map of Humboldt’s route in Mexico includes his various side trips such as those to Jorullo Volcano and Santa María Regla.

Humboldt was keen to see Jorullo Volcano, since it was a rare example of a brand new volcano, one of only a handful of volcanoes that have emerged on land anywhere in the world in historic times. Jorullo first erupted on 29 September 1759 and activity continued for 15 years until 1774. Two centuries later, and about 80 km (50 miles) away, Paricutín Volcano burst into action for the first time, in a farmer’s field in 1943.

Santa María Regla, in the state of Hidalgo, about an hour’s drive north of Mexico City, is the best known location in Mexico for basalt columns. The columns, up to 40 meters tall,  are attractively located on the side of a canyon, with a waterfall tumbling over some of them:

Despite only seeing a relatively small part of the country (New Spain as it then was), Humboldt was able to make some generalizations about geography in general, and Mexican geography in particular, that have stood the test of time remarkably well. For example, he was the first to describe the vertical differentiation of climatic and vegetation zones in Mexico. Writing in 1811, he proposed the terms tierra caliente, tierra templada, and tierra fría, terms still widely used by non-specialists today:

Related posts:

 

The growth and expansion of Wal-Mart in Mexico

 Mexico's geography in the Press, Updates to Geo-Mexico  No Responses »
May 052012
 

Much recent attention in the USA and Mexico has focused on the allegations of bribery related to Wal-Mart de México.  Interestingly, the company has a rather long history in Mexico. It started in 1958 when Jerónimo Arango and his brothers Placido and Manual started a company called Cifra and opened a deep discount store in Mexico City named Aurrera Bolivar. It was inspired by the E.J. Korvette discount store in New York City. The store was an immediate success, helped by sponsorship of the popular TV show, La Pregunta de los $64,000 pesos (“The $64,000 Pesos Question”).

Wal-Mart's expansion across Mexico, 1993-2007

Wal-Mart's expansion across Mexico, 1993-2007. Click map to enlarge

By 1965 Cifra had eight Aurrera stores in the Mexico City area as well as a Superama grocery store and VIPS restaurant. Cifra and Jewel-Osco of Chicago formed a joint venture and by 1970 they opened the first Bodega Aurrera discount warehouse stores and Suburbia department stores. Their first hypermarket, Gran Bazar, followed in 1976. Shares in the company were sold to the public in 1977.   By serving low-income customers, the company managed to survive the financial crisis of 1982.  In fact during the 1980s it increased sales by an average 20% per year reaching US$550 million by 1989.

Rapid growth continued in the 1990s. By 1992 there were 38 Almacenes Aurrera supermarkets, 29 Bodega Aurreras, 34 Superamas, 29 Suburbias (department stores), 59 VIPS, as well as 15 El Portón restaurants. Almost all of these were located in the densely populated Mexico City and surrounding State of Mexico. Phenomenal growth continued in 1992 with 23 new units added. Cifra B shares increased forty-fold in just five years from the start of 1988 through the end of 1992. At that time, Cifra had a sophisticated, state-of-the-art data system for inventory control and monitoring customer preferences.

In 1991 Cifra formed a joint venture with the US firm Wal-Mart (founded in 1962, four years after Cifra). Unlike Cifra, whose early growth was based on an enormous urban area, Wal-Mart USA’s incredible early growth concentrated on rural areas. Initially the joint venture focused on trade and the members’ only Club Aurrera, which was soon renamed Sam’s Club. The first map shows the distribution of Wal-Mart stores in 1993. Expansion of new outlets throughout Mexico was only slightly slowed by the 1994 financial crisis.

By 1995, there were 22 Sam’s Clubs, and 11 Wal-Marts, 35 Almacenes Aurrera, 58 Bodegas Aurrera, 36 Superamas, 33 Suburbias, as well as 114 VIPS restaurants. One of the new Wal-Mart Supercenters was the largest in the world. The signing of NAFTA in 1994 strengthened the joint venture. In 1997 Wal-Mart USA acquired majority interest in Cifra creating Wal-Mart de Mexico or Walmex. The company, which previously had been heavily concentrated in Metro Mexico City, was soon aggressively opening new units in cities throughout the country (see maps).

Recent news reports allege that this aggressive growth may have been facilitated by payments of bribes to expedite construction permits. As of March 2012, Walmex was operating no fewer than 2,106 retail units throughout Mexico. They include 127 Sam’s Clubs, 213 Walmart Supercenters, 94 Suburbias, 385 Bodega Aurreras, 88 Superamas, 358 VIPS and El Portón restaurants, and over 840 Bodega Aurrera Expresses and other small outlets.

Wal-Mart de México is the country’s largest retailer, with sales of over US$24 billion, and largest private-sector employer, with 209,000 employees. These figures make Walmex the dominant player in its sector, well ahead of its Mexican supermarket rivals: Soriana ($8 billion); Comercial Mexicana (Mega, $4.5 billion) and Chedraui ($4.4 billion).

The 2007 map shows how Wal-Mart has now expanded into some areas where the population density is relatively low. The early expansion of Wal-Mart was into areas with high population density, where a single, well-placed store could easily be accessed by a lot of people, and therefore have the potential to be highly profitable. Even with the 2007 distribution, however, there is still a marked north-south divide in access to Wal-Mart, which reflects income disparities in Mexico.

In 2009/10 Walmex acquired Walmart Centroamérica and is now named Wal-Mart de México y Centroamérica, adding 622 retail outlets in Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica, to bring the total number of units it operates (including Mexico) to 2, 728 retail outlets (with sales of about $29 billion) compared to Wal-Mart USA’s 4,468 outlets (with 2011 sales of $447 billion).

Source for maps:  

The maps have been redrawn, based on maps in “Supplier Responses to Wal-Mart’s Invasion of Mexico“  by Leonardo Iacovone, Beata Smarzynska Javorcik, Wolfgang Keller, James R. Tybout. Working Paper 17204  of the National Bureau of Economic Research, Cambridge, MA, USA.

Related posts

 

Happy “Cinco de mayo” (5 May)!

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May 052012
 

Geo-Mexico wishes all readers a Happy “Cinco de Mayo” (5 May)! The holiday of Cinco de Mayo (5 May) commemorates the Battle of Puebla, fought on May 5, 1862. The battle marks Mexico’s only major military success since its independence from Spain in 1821. Today, in a curious example of cultural adaptation, the resulting holiday is actually celebrated more widely in the USA than in Mexico!

For an account of the history behind the Cinco de Mayo, and for an explanation of why the holiday is now celebrated more in the USA than in Mexico:

In Mexico, the Cinco de Mayo is celebrated with a parade in the City of Puebla each year, but, in another strange twist of geography,  the only re-enactment takes place in Mexico City:

 Posted by at 8:41 am

May is a critical month in the 2012 wildfire season in Mexico

 Mexico's geography in the Press  No Responses »
May 032012
 

This month is likely to be a critical month for wildfires. As we reported in an  earlier post - The geography of wildfires in Mexico: the disastrous wildfire season of 2011 – 2011 was Mexico’s worst year for wildfires for 30 years. The on-going drought in northern Mexico (the worst for 70 years) means that this year’s wildfire season is not likely to be any better.

May is the critical month because it marks the end of the dry season in most of Mexico, the time when the natural landscape looks parched. During the month of May, the landscape waits for the start of the rainy season, a season that is sometimes preceded by a spate of electrical storms. Electrical storms can trigger wildfires if they ignite the tinder-dry vegetation.

In the first four months of 2012, there have been some significant wildfires in several parts of Mexico, including one uncomfortably close to the Guadalajara Metropolitan Area, which has a population of almost 5 million.

Here is a brief round-up of the major wildfires in 2012 so far:

Durango

The largest single fire in the country so far in 2012 was in Potrerillos, in the municipality of Canatlán. It damaged 112 square kilometers (43 square miles). The 56 other wildfires experienced by Durango so far this year have all been small. The total area of the state damaged by wildfires this year currently stands at about 120 square miles.

Coahuila
Coahuila has experienced 30 fires so far this year, causing to more than 160 square kilometers. The latest three fires have been brought under control in the past few days. In the Sierra Salsipuedes (municipality of San Buenaventura) a wildfire destroyed 8 square kilometers of brush. Wildfires in the Sierra de la Madera (in the municipalities of Ocampo and Cuatrociénegas) damaged 37 square kilometers and 17 square kilometers respectively.

Sonora

So far in 2012, firefighters have fought 19 wildfires, affecting almost 40 square kilometers it total, mainly grassland and scrub, in the municipalities
of Yécora, Álamos, Rosario Tesopaco, Bacoachi, Quiriego, Nacori Chico and Cucurpe.

Jalisco

Some 1,000 firefighters battled for almost a week to bring a major wildfire in the Primavera Forest (Bosque de la Primavera) under control. The Primavera Forest is a partially-forested wilderness area with hot springs. It is set in a volcanic caldera on the western outskirts of Guadalajara, Mexico’s second largest city.

Location of Primavera Forest in relation to Guadalajara and Lake Chapala.

Location of Primavera Forest in relation to Guadalajara. Credit: Tony Burton; all rights reserved.

Initial reports say that the blaze began on 14 April when a garbage fire got out of control. By the time it was brought under control, the fire had damaged 85 square kilometers, about 35% of it forested, making it the worst fire in the area since 2005. That area damaged is about one-third of the total area of the Primavera Forest. Residents of Guadalajara were luckier than in 2005 because winds this time blew most of the smoke away from the city, so the city’s air quality was not seriously compromised. Even so, schools in some areas were closed briefly as a precaution.

The Primavera has a chequered history of protection. Most of the land is privately owned. It was declared a federally protected area in 1980, but ever since then real estate developers have nibbled away at the edges of the protected area, largely ignoring attempts by local officials to enforce zoning regulations.

Morelos
Several relatively small fires have damaged parts of this small state. The three most significant wildfires to date were in the municipalities of Tepoztlán, Tlalnepantla and Tlayacapan. They damaged 5 square kilometers of forest, but, because of the precipitous terrain, required the combined efforts over four days of more than 700 firefighters. The area, very close to Mexico City, is a popular weekend destination for city dwellers, and renowned for its ecotourism potential. Tepoztlán is one of Mexico’s Magic Towns.

Puebla
A small fire in Cerro del Palmar (in Liebres municipality) unfortunately resulted in two deaths, including that of a firefighter.

Oaxaca
More than 30 square kilometers have been damaged by wildfire this year in various parts of the state.

Related posts:

 

 

Mexico’s highest volcanoes

 Excerpts from Geo-Mexico  No Responses »
Apr 302012
 

In a previous post, we saw how most of Mexico’s volcanoes are located in a broad band that crosses central Mexico known as the Volcanic Axis (Eje neovolcánico). In this post, we provide brief descriptions of some of the major volcanoes in Mexico.

Starting in the west, the first active volcanoes are Everman and Barcenas in the Revillagigedo Islands. The westernmost volcanoes on the mainland are near Colima. At 4260 m (13,976 ft), the inactive Nevado of Colima, Mexico’s sixth-highest peak, is as tall as the highest mountains in the contiguous USA. Its younger brother, Colima Volcano (or Volcán de Fuego) is lower (3820 m) but highly active and considered potentially very dangerous. It has erupted in cycles for several hundred years, and is capped by a dacitic plug characteristic of a silica-rich Pelean volcano. Such volcanoes have the potential to erupt suddenly, not emitting vast quantities of molten lava, but shooting out less spectacular, but far more devastating, clouds of red‑hot asphyxiating gasses.

Tequila Volcano, overlooking the town where the beverage is distilled, is also in Jalisco. In neighboring Michoacán state, the most noteworthy volcanoes are Jorullo (which last erupted in 1759) and Paricutín, which began life in a farmer’s field in 1943 and ceased activity in 1952, but only after its lava had overwhelmed several small villages.

Closer to Mexico City, the Nevado of Toluca (4680 m) has a drive-in crater and is a favored destination for Mexico City families in winter to take their children to play in the snow. It is Mexico’s fourth highest peak (see table below).

VolcanoStatesHeight (meters)Height (feet)
Pico de OrizabaVeracruz; Puebla5 61018 406
PopocatapetlMéxico; Morelos; Puebla5 50018 045
IztaccihuatlMéxico; Puebla5 22017 126
Nevado of Toluca México 4 68015 354
MalincheTlaxcala; Puebla4 42014 501
Nevado of Colima Jalisco4 26013 976
Cofre de PeroteVeracruz 4 20013 780
TacanáChiapas 4 08013 386
TelapónMéxico 4 06013 320
El AjuscoFederal District3 93012 894
Colima VolcanoJalisco; Colima3 82012 533

Continuing eastwards, we reach several other volcanoes that are among Mexico’s highest volcanic peaks (and are also included in the table).

The most famous volcano in the Volcanic Axis is the still active Popocatepetl (“Popo”), which rises to 5500 meters (18,045 feet). Alongside Popocatepetl is the dormant volcanic peak of Iztaccihuatl (5220 m or 17,126 ft). On a smog-free day, both are clearly visible from Mexico City. The southern suburbs of Mexico City are overshadowed by a smaller active volcano, Ajusco, which reaches 3930 m (12,894 ft).

The Nevado de Toluca volcano

The Pico de Orizaba, a dormant volcano on the border between states of Veracruz and Puebla, is Mexico’s highest mountain. At 5610 m (18,406 ft) it is the third highest peak in North America. By way of contrast, not very far away, in the outskirts of the city of Puebla, is the world’s smallest volcano!

Only a few volcanoes appear to be located outside the Volcanic Axis and therefore in an anomalous location to the general pattern. They include two volcanoes in Chiapas which lie south of the Volcanic Axis: El Chichón (which erupted in 1982) and Tacaná (4080 m).

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