000
AXNT20 KNHC 061739
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 PM EST SAT FEB 06 2010

TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL 
AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS
OF SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST
FROM THE EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED
ON SATELLITE IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER 
OBSERVATIONS...AND RADAR.

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1715 UTC.

...THE ITCZ...

FROM THE BORDER OF SIERRA LEONE/LIBERIA TO 6N20W 3N30W 1N40W...
CROSSING THE EQUATOR ALONG 44W...AND INTO NORTHEASTERN BRAZIL 
TO 2S51W. STRONG SHOWERS AND POSSIBLE THUNDERSTORMS ARE FROM
2N TO 4N BETWEEN 38W AND 40W. SHOWERS ARE POSSIBLE ELSEWHERE
TO THE SOUTH OF 7N BETWEEN 27W AND 50W.

...DISCUSSION...

FROM THE GULF OF MEXICO AND THE WESTERN ATLANTIC OCEAN...
ACROSS THE BAHAMAS...TO CUBA ALONG 80W...INTO THE NORTHWESTERN
CARIBBEAN SEA...AND TO HONDURAS...
THE UPPER LEVEL TROUGH...THAT SUPPORTS THE COLD FRONT THAT JUST 
EXITED THE AREA...LAGS BEHIND THE SURFACE FEATURE. THE TROUGH
EXTENDS FROM A CYCLONIC CIRCULATION CENTER THAT IS IN NORTHERN 
SOUTH CAROLINA AND WESTERN NORTH CAROLINA...TO THE FLORIDA 
PANHANDLE...TO THE YUCATAN CHANNEL TO THE BORDER OF SOUTHERN 
MEXICO WITH SOUTHWESTERN GUATEMALA. DRY AIR IN SUBSIDENCE ON 
WATER VAPOR IMAGERY COVERS THE AREA TO THE WEST OF THE LINE
THAT PASSES THROUGH 32N68W 20N80W 14N90W. THE COLD FRONT PASSES
THROUGH 32N72W 27N75W...TO ANDROS ISLAND IN THE BAHAMAS...TO 
CUBA NEAR 22N80W...TO THE NORTHERN COAST OF HONDURAS NEAR 
16N86W...BEYOND EASTERN EL SALVADOR INTO THE EASTERN PACIFIC 
OCEAN NEAR 13N96W. SHOWERS ARE WITHIN 15 NM TO 30 NM ON EITHER 
SIDE OF 23N77W 26N74W 30N69W BEYOND 32N66W. BROKEN TO OVERCAST 
MULTILAYERED CLOUDS AND OTHER POSSIBLE SHOWERS ARE WITHIN 150 NM 
TO THE WEST AND NORTHWEST OF THE LINE 25N75W 21N80W 17N84W...AND 
FROM 13N TO 17N BETWEEN 84W AND 93W...INCLUDING WESTERN 
HONDURAS...GUATEMALA...BELIZE AND CARIBBEAN SEA WATERS.

THE REST OF THE CARIBBEAN SEA...
LARGE-SCALE BROAD UPPER LEVEL ANTICYCLONIC FLOW COVERS THE 
ENTIRE AREA. SURFACE CYCLONIC FLOW COVERS THE AREA TO THE SOUTH 
OF 16N BETWEEN 60W AND 80W.

THE ATLANTIC OCEAN...
LARGE-SCALE UPPER LEVEL ANTICYCLONIC FLOW AND DRY AIR IN 
SUBSIDENCE COVER THEA AREA TO THE WEST OF 40W. AN UPPER LEVEL
TROUGH PASSES THROUGH 32N34W TO 24N36W. THIS TROUGH SUPPORTS
THE EAST CENTRAL ATLANTIC OCEAN COLD FRONT THAT PASSES THROUGH
32N29W TO 22N40W 19N50W TO 20N60W. A REMNANT CLOUD LINE CONTINUES
ALONG 20N60W 22N65W 24N67W. SHOWERS ARE POSSIBLE WITHIN 60 NM TO
75 NM ON EITHER SIDE OF THE CLOUD LINE THAT PASSES THROUGH
32N27W TO 24N40W 20N50W 19N56W 22N66W.

FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE.

$$
MT