Central America & Hispaniola Briefing Central America & Hispaniola Briefing
1 June 2010
nicholas.novella@noaa.gov nicholas.novella@noaa.gov
- TS Agatha
- Lowest SFC P: 1003mb - Sustained winds = 35mph -Max rr = 79.3 mm/hr
- Remnants of TS Agatha
- Conditions not conducive for development, esp UL’s.
- Resembles trans-ocean movement of Arthur / Alma of 2008
- Today marks day 1 of Atlantic hurricane season.
NOAA (officially) says:
- 85 % chance of Above – average season - 10 % chance of Near – average season - 5 % chance of Below – average season A 70 % probability for the following ranges
•14-25 Named Storms
•8-14 Hurricanes
•3-7 Major Hurricanes (cat 3 and higher)
•An ACE range of 155 – 270% of the median
What signs point to “Yes”
- Tropical multi-decadal signal
- Above-average SST’s (AMO /TNA) - ENSO neutral / La Nina
Other Indicators
- Projected Atlantic MSLP - African West Sahel Rainfall
- QBO / 200mb Zonal wind Anomaly - Analog Years (e.g. 2005)