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Tropischer Sturm Hermine (2010)

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Vorlage:Infobox Hurricane Tropical Depression Eleven-E was a short-lived but devastating tropical cyclone that killed at least 54 people in Guatemala. The depression quickly formed on September 3 out of a low pressure system embedded within a monsoonal trough. The system quickly strengthened as it neared the southeastern Mexican coastline, nearly attaining tropical storm intensity before moving onshore near Salina Cruz. Within hours of moving over land, the depression degenerated into a remnant low on September 4; the remnants of the depression may have later played a role in the development of Tropical Storm Hermine in the Gulf of Mexico.

In Guatemala, the depression produced torrential rainfall which triggered a series of deadly landslides along the Inter-American Highway. At least 50 people are known to have been killed along the highway; four others died in a separate event in Quetzaltenango.

Meteorological history

Vorlage:Storm path Tropical Depression Eleven-E was first identified by the National Hurricane Center (NHC) on September 2, 2010 as an area of low pressure over the Gulf of Tehuantepec. Embedded within a monsoonal flow, development of the system into a tropical cyclone was not anticipated but, a burst of convection over the low warranted monitoring.[1] With favorable environmental conditions, such as low wind shear and high sea surface temperatures, the system was able to maintain a small area of shower and thunderstorms within 70 miles (110 kilometres) of its center.[2] Despite the conditions, the NHC ceased monitoring the system early on September 3;[3] however, the low became better organized and it was given a "medium" chance of becoming a tropical depression within 48 hours later that day.[4] Within hours, the system quickly developed into a tropical depression, the eleventh of the season, while situated roughly 95 mi (155 km) southeast of Salina Cruz, Mexico.[5] Still embedded within the monsoonal trough, the depression tracked slowly towards the northwest. A small system, the depression developed a well-defined center surrounded by convective banding features, indicating that intensification was possible before moving inland.[6]

Further development took place through the morning of September 4. Prior to moving onshore, radar images from Mexico depicted a well-defined center with an eye-like feature, indicating that the system may have attained tropical storm status. Between 0600 and 0700 UTC, the center of Tropical Depression Eleven-E made landfall near Salina Cruz with winds of 35 mph (55 mph).[7] At this time, the depression attained a minimum barometric pressure of 1005 mbar (hPa; 29.68 inHg).[8] Within hours of moving inland, the system degenerated into a remnant low pressure system, having lost much of its convection. However, tropical cyclone forecast models indicated that a new cyclone could develop in the southern Gulf of Mexico.[9] This forecast later verified with the development of Tropical Storm Hermine on September 6.[10] However, there is uncertainty in whether Tropical Depression Eleven-E played a role in its development.[9]

Impact and aftermath

Upon being declared a tropical depression on September 3, the Government of Mexico issued a tropical storm warning from Boca De Pijijiapan westward to Puerto Ángel.[5] Once the depression moved inland on September 4, the warning was discontinued.[11]

Although not in the direct path of the system, Guatemala sustained the most impact from the depression. Several days of heavy rain led to several landslides across the country and prompted President Álvaro Colom to declare a state of emergency.[12] Along the Inter-American Highway, 12 people were killed in a bus that was buried by a landslide. Hundreds of rescuers came to the site to try and save as many people as possible; however, a second landslide struck the same spot, burring hundreds of people. According to press reports, at least 50 people died along the highway and more than 100 others are believed to be dead. Throughout the country, officials stated that 30 landslides took place. One of these killed four more people after destroying their home in Quetzaltenango.[13] Following the string of landslides across the country, President Colom declared September 6 a national day of mourning for victims of the storm.[13]

See also

Portal: Tropical cyclones – Übersicht zu Wikipedia-Inhalten zum Thema Tropical cyclones

References

Vorlage:Reflist

Vorlage:2010 Pacific hurricane season buttons

  1. ↑ Wally Barnes: Tropical Weather Discussion for the Eastern Pacific Ocean. National Hurricane Center, 2. September 2010, abgerufen am 6. September 2010.
  2. ↑ Wally Barnes: Tropical Weather Discussion for the Eastern Pacific Ocean. National Hurricane Center, 2. September 2010, abgerufen am 6. September 2010.
  3. ↑ Dan Mundell: Tropical Weather Discussion for the Eastern Pacific Ocean. National Hurricane Center, 3. September 2010, abgerufen am 6. September 2010.
  4. ↑ Michael Formosa: Tropical Weather Discussion for the Eastern Pacific Ocean. National Hurricane Center, 3. September 2010, abgerufen am 6. September 2010.
  5. ↑ a b Robbie Berg and Michael Brennan: Tropical Depression Eleven-E Public Advisory One. National Hurricane Center, 3. September 2010, abgerufen am 6. September 2010.
  6. ↑ Robbie Berg and Michael Brennan: Tropical Depression Eleven-E Discussion One. National Hurricane Center, 3. September 2010, abgerufen am 6. September 2010.
  7. ↑ Todd L. Kimberlain: Tropical Depression Eleven-E Discussion Three. National Hurricane Center, 4. September 2010, abgerufen am 6. September 2010.
  8. ↑ Todd L. Kimberlain: Tropical Depression Eleven-E Public Advisory Three. National Hurricane Center, 4. September 2010, abgerufen am 6. September 2010.
  9. ↑ a b Jack L. Beven: Tropical Depression Eleven-E Discussion Four (Final). National Hurricane Center, 4. September 2010, abgerufen am 6. September 2010.
  10. ↑ Daniel Brown and Robbie Berg: Tropical Storm Hermine Public Advisory Two. National Hurricane Center, 6. September 2010, abgerufen am 6. September 2010.
  11. ↑ Todd L. Kimberlain: Tropical Depression Eleven-E Public Advisory Three-A. National Hurricane Center, 4. September 2010, abgerufen am 6. September 2010.
  12. ↑ Vorlage:Es icon Staff Writer: Al menos 54 muertos tras deslizamientos de tierra en Guatemala. CNTN, 6. September 2010, abgerufen am 6. September 2010.
  13. ↑ a b Staff Writer: Guatemala declares day of mourning. Al Jazeera, 6. September 2010, abgerufen am 6. September 2010.
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