danielwAdministrator
(Moderator)
Sun Aug 15 2010 08:08 AM
Re: Remnants of TD5 - Are the Models Wrong?

Very good presentation/ explanation of what X TD 5 is doing and is forecast to do. Might belong in the forecast lounge, but system is somewhat current.

MARINE WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 350 AM EDT SUN AUG 15 2010

(excerpt~danielw)

...THE RIDGE WILL WEAKEN NEXT 30 HOURS AS GLOBAL MODELS CONTINUE TO
SHIFT LOW PRES INTO THE NE GULF COASTS MON MORNING THEN DRIFT IT
W AND ACROSS SE LOUISIANA THROUGH TUE EVENING BEFORE TURNING NW
AND COMPLETELY INLAND ACROSS SW LA TUE NIGHT-WED MORNING. GFS
CONTINUES TO BE VERY AGGRESSIVE WITH THIS LOW AND DEEPENS IT MON
NIGHT INTO TUE TO TROPICAL STORM STRENGTH. CANADIAN IS SOMEWHAT
SIMILAR AND A BIT FARTHER S IN TRAJECTORY WHILE REMAINDER OF
MODELS HAVE SIMILAR MOTION BUT DO NOT SHOW NEAR THE
STRENGTHENING. THIS LOW IS PERSISTING UNDERNEATH AN UPPER LEVEL
HIGH AND WILL MOVE SW THEN W WITHIN THE INNER PERIPHERY OF THIS
UPPER ANTICYCLONE AS IT MOVES OVER WATER. WE ARE MONITORING THIS
SYSTEM DURING ITS EVOLUTION NEXT 48 HOURS...BUT STILL REMAIN ON
THE CONSERVATIVE SIDE ATTM UNTIL SOME DEFINITIVE IMPROVED
STRUCTURE IS EVIDENT IN STLT OR RADAR. WILL CONTINUE TO GO WITH
15-20 KT WINDS ON S AND SE QUADS OF THIS LOW AS IT MOVES ACROSS
THE N CENTRAL GULF MON THROUGH TUE...

http://weather.cod.edu/kamala/TPC/latest.agxx40.KNHC.html



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