1. Central America & Hispaniola Briefing September 6, 2011 Miliaritiana.robjhon@noaa.gov 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

2. This Week: Past Week: TRMM Rainfall

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

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

5. This Week: Past Week: TRMM 30-day Anomalies 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

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

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

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

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

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

15. 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