Hurricane Rosa (1994)

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Map key
Saffir–Simpson scale
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
Disc Plain black.svg Tropical cyclone
Solid black.svg Subtropical cyclone
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

On October 8, a circulation associated with an area of disturbed weather acquired convection and was designated Tropical Depression Nineteen-E. [1] Upon formation, the depression was forecast to dissipate because of strong wind shear. [2] Moving little, its development was constantly hindered by wind shear. [3] The depression had difficulty organizing, and on October 9, it became so disorganized that advisories were discontinued. [4]

The depression's remnants moved eastward and interacted with an area of disturbed weather. This regenerated the convection, [5] and the depression regenerated on October 10, possibly with a new center of circulation. [6] However, the National Hurricane Center's preliminary report does not indicate that the depression ever dissipated or regenerated. [7] Moving little in a favorable environment, [5] the depression was upgraded to Tropical Storm Rosa on October 11, [8] and to hurricane status a day later. [9] At the time it was about 345 miles (555 km) south of the southern tip of the Baja California Peninsula. Rosa continued drifting slowly for another day and a half. Then, a trough caused Rosa to begin moving and accelerate north-northeastward. On October 14, Rosa peaked in intensity as a Category 2 hurricane on the Saffir-Simpson Hurricane Scale with winds of 100 mph (160 km/h) and a central pressure of 974 mb (974 hPa). A few hours later, Rosa made landfall near La Concepción about 70 mi (110 km) south-southeast of Mazatlán. Rosa's circulation weakened over the mountains, and it dissipated on October 15. [5]

Preparations, impact, and aftermath

Hurricane Rosa
Rosa 1994-10-13 1745Z.png
Rosa near peak intensity off the southwest coast of Mexico on October 13
Costliest Pacific hurricanes
RankCycloneSeasonDamageRef
1 Otis 2023 $12–16 billion [10]
2 Manuel 2013 $4.2 billion [11]
3 Iniki 1992 $3.1 billion [12]
4 Odile 2014 $1.25 billion [13]
5 Agatha 2010 $1.1 billion [14]
6 John 2024 $1 billion [15]
7 Hilary 2023 $915 million [16]
8 Willa 2018 $825 million [17]
9 Madeline 1998 $750 million [18]
10 Rosa 1994 $700 million [19]

On October 12, a hurricane watch was issued for the coast from Culiacán to Manzanillo and the Baja California Peninsula south of latitude 24°N. At the same time, a tropical storm warning was issued from Manzanillo to Tepic. On October 14, a hurricane warning was issued for the coast between Culiacán and Cabo Corrientes, and a tropical storm warning south of Cabo Corrientes to Manzanillo. All watches and warnings were lifted later that day. [20]

Rosa's rainfall map, Mexico only Rosa 1994 rainfall.gif
Rosa's rainfall map, Mexico only

On October 13 and 14, two ships, the London Spirit and the Marie Maersk, encountered winds of tropical storm or hurricane force. [21] The Marie Maersk was located especially close to the eye, and its observations were useful to forecasters. [2]

In Nayarit and Durango, two people drowned, while in Sinaloa, four people were pronounced missing. More than 100,000 people in Nayarit had their homes damaged. Rosa's winds damaged many telephone poles, power lines, and houses in Sinaloa. Rainfall between 3 and 5 inches (76 and 127 mm) caused many landslides in mountainous areas. [2] Mudslides forced the evacuation of 400 people from two coastal villages in Jalisco. [22] Rosa dumped rain over parts of coastal and inland Mexico; the highest rainfall total was 14.09 in (358 mm) at Mesa de Pedro Pablo. [23]

Rosa sent moisture into the United States, which, in combination with humidity drawn north from the Gulf of Mexico, caused heavy thunderstorms and flooding in parts of thirty eight Texas counties on October 15 to 19. The flooding was worst around the San Jacinto and Trinity River basins, and in coastal areas. Rainfall totals ranged from 8 in (200 mm) to more than 28 in (710 mm). [24] The rain levels caused 100-year floods at nineteen stations. Several records were broken, some of which had stood since 1940. In the case of the Lavaca River near Edna, it broke a record set in 1936. [25] The flooding destroyed 3069 homes, heavily damaged 6560, and damaged 6148 others. Railbeds and roads sustained damage, while broken gas and oil pipelines caused spills and environmental damage in the Lower San Jacinto River and Galveston Bay. Twenty-two people died due to effects from the storm. In total, the flooding in southeastern Texas caused 700 million (1995  USD) in damage. [24] On October 18, the Federal Emergency Management Agency (FEMA) declared the worst-affected areas a disaster area. [26] After the declaration, FEMA received 26,000 applications for disaster assistance and approved 54 million (1995 USD) in aid. [24]

See also

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References

  1. ↑ Mayfield (1994-10-08). "Tropical Depression Nineteen-E Special Discussion 1". National Hurricane Center . Retrieved 2008-10-03.
  2. 1 2 3 Lixion Avila (1994-11-22). "Preliminary Report Hurricane Rosa" (GIF). National Hurricane Center. p. 2. Retrieved 2008-10-01.
  3. ↑ Mayfield (1994-10-08). "Tropical Depression Nineteen-E Discussion Number 2". National Hurricane Center . Retrieved 2008-10-03.
  4. ↑ Mayfield (1994-10-08). "Tropical Depression Nineteen-E Discussion Number 1". National Hurricane Center . Retrieved 2008-10-03.
  5. 1 2 3 Lixion Avila (1994-11-22). "Preliminary Report Hurricane Rosa" (GIF). National Hurricane Center. p. 1. Retrieved 2008-10-01.
  6. ↑ Rappaport (1994-10-10). "Tropical Depression Nineteen-E Discussion Number 7". National Hurricane Center . Retrieved 2008-10-04.
  7. ↑ Lixion Avila (1994-11-22). "Preliminary Report Hurricane Rosa" (GIF). National Hurricane Center. p. 1. Retrieved 2008-10-04.
  8. ↑ Rappaport (1994-10-11). "Tropical Storm Rosa Discussion Number 11". National Hurricane Center . Retrieved 2008-10-04.
  9. ↑ Rappaport (1994-10-12). "Hurricane Rosa Discussion Number 14". National Hurricane Center.
  10. ↑ Reinhart, Brad; Reinhart, Amanda (7 March 2024). "Hurricane Otis – Tropical Cyclone Report (EP182023)" (PDF). National Hurricane Center . University Park, Florida, United States: National Oceanic and Atmospheric Administration. pp. 1–39. Archived (PDF) from the original on 7 March 2024. Retrieved 7 March 2024.
  11. ↑ Jakubowski, Steve; Krovvidi, Adityam; Podlaha, Adam; Bowen, Steve. "September 2013 Global Catasrophe Recap" (PDF). Aon Benfield. Archived (PDF) from the original on March 3, 2016. Retrieved October 25, 2013.
  12. ↑ Costliest U.S. Tropical Cyclones Tables Update (PDF) (Report). National Hurricane Center. January 12, 2018. Archived (PDF) from the original on January 27, 2018. Retrieved January 12, 2018.
  13. ↑ Albarrán, Elizabeth (December 10, 2014). "Aseguradores pagaron 16,600 mdp por daños del huracán Odile" [Insurers Paid 16,600 MDP for Hurricane Odile Damages]. El Economista (in Spanish). Archived from the original on October 21, 2018. Retrieved February 28, 2015.
  14. ↑ Beven, Jack (January 10, 2011). Tropical Storm Agatha (PDF) (Report). Tropical Cyclone Report. National Hurricane Center. Retrieved January 14, 2011.
  15. ↑ Bowen, Steve; Kerschner, Brian; Zheng Ng, Jin (October 2024). "Natural Catastrophe and Climate Report: Q3 2024" (PDF). ajg.com. Retrieved October 20, 2024.
  16. ↑ "KCC estimates privately insured loss for Hurricane Hilary at $600m". Reinsurance News. August 29, 2023. Retrieved October 10, 2023.
  17. ↑ Navarro, Myriam; Santos, Javier (November 11, 2018). "Ascienden a $10 mil millones los daños que causó 'Willa' en Nayarit" [The damages caused by 'Willa' in Nayarit amount to $10 billion]. La Jornada (in Spanish). Archived from the original on January 15, 2019. Retrieved January 14, 2019.
  18. ↑ "South Texas Floods: October 17–22, 1998" (PDF). United States Department of Commerce. 1999. Archived (PDF) from the original on March 3, 2016. Retrieved February 11, 2007.
  19. ↑ "Floods in Southeast Texas, October 1994" (PDF). United States Geological Survey. January 1995. p. 1. Archived (PDF) from the original on March 3, 2016. Retrieved October 1, 2008.
  20. ↑ Lixion Avila (1994-11-22). "Preliminary Report Hurricane Rosa" (GIF). National Hurricane Center. p. 5. Retrieved 2008-10-01.
  21. ↑ Lixion Avila (1994-11-22). "Preliminary Report Hurricane Rosa" (GIF). National Hurricane Center. p. 4. Retrieved 2008-09-24.
  22. ↑ "Mexican West Coast Survives Hurricane". Chicago Daily Herald. 1994-10-15. p. 3. Archived from the original on December 25, 2015. Retrieved 2008-10-04.
  23. ↑ David M. Roth. "Hurricane Rosa". Hydrometeorological Prediction Center . Retrieved 2008-10-04.
  24. 1 2 3 "Floods in Southeast Texas, October 1994" (PDF). United States Geological Survey. January 1995. p. 1. Retrieved 2008-10-01.
  25. ↑ "Floods in Southeast Texas, October 1994" (PDF). United States Geological Survey. January 1995. p. 2. Retrieved 2008-10-01.
  26. ↑ "Texas Severe Storm, Thunderstorms, Flooding". Federal Emergency Management Agency. 2005-05-23. Archived from the original on 2012-03-15. Retrieved 2008-10-04.

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