Central America & Hispaniola Briefing Central America & Hispaniola Briefing
21 September 2010
Tom.DiLiberto@noaa.gov Tom.DiLiberto@noaa.gov
> 200 mm
198 mm
La Nina Forecast
Tropical Storm: “LISA”
- Tropical Storm
- Min SFC P = 1005mb
- Sustained winds ~ 48mph (35kts)
- General trend (48hrs) – strengthen to strong tropical storm.
-Track shifting N NW in next 48 hrs at ~ 5 mph.
- Cooler SST’s and increase in dry air expected to stop intensification short of hurricane strength.
-Will encounter increasing shear past 72 hrs as storm moves west
- Not expected to pose any threat to Hispaniola or CA.
Invest: 95 L
- 20 % chance of becoming tropical cyclone - large cluster of disorganized thunderstorms - moving west at 10-15 mph
-warm SST’s and weak shear environment - Expected to continue moving west by Friday when it will be off the northern Nicaragua coast.
-Track: too early to tell, could impact Nicaragua/Honduras Friday into Saturday -Poses risk for heavy rain and wind
-Thunderstorm activity may spread north to affect southern Hispaniola although storm will stay south of the island.
