National Hurricane Center (Atlantic)

Watches and Warnings


Saturday, July 30, 2011

Don Makes Landfall and 91L gaining Organization in the Atlantic

Good Evening Hurricane Trackers! Last night Don made landfall as a 50 mph Tropical Storm. Don quickly weakened from the very Dry air in place over Texas and the last NHC advisory was issued this morning.

Meanwhile in the Atlantic 91L is quickly Organizing this evening. The NHC gives 91L a 80% chance of developing with in the next 48 hours. Recon missions will begin for 91L tomorrow and I will have full updates on the recon missions starting tomorrow evening and going until the threat subsides.

SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A LARGE LOW PRESSURE
SYSTEM LOCATED ABOUT 900 MILES EAST OF THE LESSER ANTILLES CONTINUE
TO SHOW SIGNS OF ORGANIZATION.  ENVIRONMENTAL CONDITIONS APPEAR
FAVORABLE FOR A TROPICAL DEPRESSION TO FORM OVER THE NEXT COUPLE OF
DAYS.  THIS SYSTEM HAS A HIGH CHANCE...80 PERCENT...OF BECOMING A
TROPICAL CYCLONE DURING THE NEXT 48 HOURS AS IT MOVES
WEST-NORTHWESTWARD AT 15 TO 20 MPH. 

If you are currently in the Lesser Antilles you should be preparing for a tropical Storm or Hurricane to start impacting your region Monday or Tuesday. Please see products issued by the National Hurricane Center and your local weather office when making life or death decisions.

I will have another update here at a little after 8pm tonight.

Once 91L is past the Islands I will start to break down the models for those of us in the US and will share my thoughts on this developing situation.

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