Monday, August 24, 2015

One almost done....One ready to step up

Danny is now a depression, but that may not be entirely accurate. You see the latest recon mission registered winds strong enough to keep it as a tropical storm but due to heavy lightning that developed along the center, the plane had to leave the area. They were not able to get a good fix on its center.

This may not matter as "Danny" will still be impacted by shear or strong opposing upper winds that will continue to weaken it while high pressure pushes it west into the Caribbean.

The system will drop some needed rain over the Leeward Islands and Puerto Rico.

I'll post the radar out of Puerto Rico where you'll be able to see when the rain starts moving in across the Leewards.

This is the latest from the Puerto Rican Weather Office:

LATEST FORECAST FROM THE NHC SUGGEST THAT TROPICAL
CYCLONE DANNY WILL MOVE ACROSS THE LOCAL CARIBBEAN WATERS TONIGHT INTO TUESDAY MORNING.

HOWEVER...AN EXTREMELY MOIST AIR MASS WILL SPREAD OVER USVI AND PR THIS AFTERNOON/EVENING...RAISED THE THREAT OF HEAVY RAIN...
THUNDERSTORMS AND FLOODING ACROSS PORTIONS OF THE
LOCAL ISLANDS.

ALTHOUGH...DANNY IS FORECAST TO BECOME A TROPICAL DEPRESSION WHEN IT MOVES OVER THE CARIBBEAN WATERS..

EXPECT PERIODS OF INTENSE RAINFALL AND STRONG GUSTY WINDS STARTING TONIGHT AND CONTINUE THROUGH TUESDAY.

DANNY IS EXPECTED TO PRODUCE 2 TO 4 INCHES OF RAIN OVER THE U.S. VIRGIN ISLANDS AND PUERTO RICO THROUGH TUESDAY.

HOWEVER...STRONG OROGRAPHIC ENHANCEMENT OF RAINFALL CAN BE POSSIBLE WITH THIS TROPICAL CYCLONE...LEADING TO HIGHER RAINFALL ACCUMULATIONS IN LOCALIZED AREAS.

Once Danny dissipates, the attention turns to an area of clouds and rain in the middle of the Atlantic following in Danny's footsteps. This could be our next storm.


This is what NHC is saying:
Shower and thunderstorm activity associated with a low pressure system located about 1250 miles east of the southern Lesser Antilles
has continued to become better organized since yesterday.

Satellite data also indicates that the low's circulation is gradually becoming
better defined. If current trends continue, a tropical depression is likely to form later today or tonight while the low moves westward
at around 20 mph.
* Formation chance through 48 hours...high...90 percent
* Formation chance through 5 days...high...90 percent


This is what the models are suggesting.


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