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Central America & Hispaniola Briefing

Miliaritiana.robjhon@noaa.gov. Central America & Hispaniola Briefing. Cat 3 Hurricane KATIA moving NW at 10 mph, with winds 125 mph and central pressure 950 mb 1 Could become TS MARIA today or tomorrow and expected to move west/northwestward. September 6, 2011. This Week:. TRMM Rainfall.

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Central America & Hispaniola Briefing

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  1. Miliaritiana.robjhon@noaa.gov Central America & Hispaniola Briefing • Cat 3 Hurricane KATIA moving NW at 10 mph, with winds 125 mph and central pressure 950 mb • 1 Could become TS MARIA today or tomorrow and expected to move west/northwestward September 6, 2011

  2. This Week: TRMM Rainfall Past Week: TRMM Rainfall

  3. From August 30 – September 5, 2011 Huehuetenango = 51.8 mm San Salvador = 22.5 mm Choluteca = 117.4 mm Amapala= 122.2 mm San Jose = 26.7 mm Santa Ana = 10.0 mm Tocumen = 49.0 mm

  4. Continued wetter than average conditions in Guatemala • Below-average rainfall in El Salvador • Relief of moisture deficits in eastern Nicaragua This Week: TRMM Weekly Anomalies Past Week:

  5. Wetter than average northern CA • Below-average rainfall received in El Salvador and southern departments of Haiti • Persistent dry conditions along eastern Costa Rica and Nicaragua This Week: TRMM 30-day Anomalies Past Week:

  6. TRMM Primera Season Anomalies Percent Normal (%) TRMM August Anomalies Anomaly (mm)

  7. Dekadal WRSI: CA 3rd dekad of August 2nd dekad of August • Overall good conditions observed except northern Belize and central Honduras

  8. Dekadal WRSI and SWI: Haiti 3rd dekad of August 2nd dekad of August • Lasting impacts of the dryness during the past months

  9. NDVI anomalies Vegetation Health Index • Pacific Basin of Guatemala showed poor conditions • Favorable conditions in the Gulf of Fonseca • Poor conditions in the Grand-Anse of Haiti Source: NESDIS/STAR

  10. Very active convective systems in the Gulf of Mexico, Pacific, and Atlantic

  11. Overall reduction in rainfall across CA • Tropical storms forecast to move NNW and away from Hispaniola • Heavy rains associated with the system in the Gulf of Campeche, expected to bring heavy rains in western Guatemala

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