[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 050556
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST WED JAN 05 2011

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
0515 UTC.

...THE ITCZ...

ITCZ AXIS IS ANALYZED ALONG 7N10W 2N22W 3N40W EQ50W. CLUSTERS OF
SCATTERED MODERATE/ISOLATED STRONG CONVECTION ARE FROM 1N-6N
BETWEEN 24W-50W.

...DISCUSSION...

GULF OF MEXICO...
THE UPPER LEVELS OF THE GULF ARE DOMINATED SW TO W FLOW ALOFT. A
THE SURFACE RIDGE COVERING THE E GULF IS BEGINNING TO RETREAT
EASTWARD INTO THE W ATLC ANCHORED BY A 1021 MB HIGH NEAR
TALLAHASSEE FLORIDA. A WEAK 1013 MB LOW CENTERED NEAR LAREDO
TEXAS WITH A WARM FRONT EXTENDING NE TO FREEPORT TEXAS BECOMING
STATIONARY INTO THE GULF ALONG 28N91W TO 28N88W. BROKEN TO
OVERCAST LOW LEVEL CLOUDS WITH POSSIBLE ISOLATED SHOWERS ARE N
OF A LINE FROM NAPLES FLORIDA ALONG 27N90W TO TEXAS S OF CORPUS
CHRISTI LEAVING THE REMAINDER OF THE S GULF UNDER CLEAR SKIES
AGAIN TONIGHT.

CARIBBEAN SEA...
THE CARIBBEAN REMAINS RATHER TRANQUIL AGAIN TONIGHT. THE UPPER
LEVELS OF THE CARIBBEAN ARE DOMINATED BY A BROAD UPPER RIDGE
ANCHORED OVER SOUTH AMERICA WITH MODERATE/STRONG SUBSIDENCE AND
DRY STABLE AIR ALOFT. A SURFACE TROUGH EXTENDS FROM 16N68W
THROUGH THE GULF OF VENEZUELA TO INLAND OVER VENEZUELA TO NEAR
10N71W. BROKEN/OVERCAST LOW CLOUDS WITH POSSIBLE ISOLATED
SHOWERS ARE WITHIN 90 NM OF LINE FROM OVER THE VIRGIN/LEEWARD
ISLANDS NEAR 18N63W TO NEAR 13N72W INCLUDING PUERTO RICO. THE
EASTERLY SURFACE WINDS ARE BANKING OVERCAST LOW CLOUDS WITH
ISOLATED SHOWERS INLAND AND WITHIN 90 NM ALONG THE COAST OF
NICARAGUA TO PANAMA S OF 13N W OF 80W LEAVING THE REMAINDER OF
THE CARIBBEAN UNDER CLEAR SKIES TONIGHT.

ATLANTIC OCEAN...
ZONAL WESTERLY FLOW ALOFT DOMINATES THE ATLC TO 30W WITH
MODERATE/STRONG SUBSIDENCE AND DRY STABLE AIR ALOFT. HIGH
PRESSURE COVERS THE W ATLC WITH A 1020 MB HIGH NEAR 30N67W AND A
1019 MB HIGH TO THE SW NEAR 25N73W. A COLD FRONT ENTERS THE
CENTRAL ATLC NEAR 32N40W EXTENDING ALONG 26N54W TO 26N60W WHERE
IT DISSIPATES TO 24N65W WITH POSSIBLE ISOLATED SHOWERS WITHIN 60
NM SE OF THE COLD FRONT. A DISSIPATING COLD FRONT ENTERS THE E
ATLC NEAR 32N23W EXTENDING ALONG 27N32W TO 23N43W WITH NO
SIGNIFICANT ASSOCIATED WEATHER. DUE TO THE SUBSIDENCE AND STABLE
AIR ALOFT...THE ATLC IS UNDER FAIR CONDITIONS TONIGHT.

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

$$
PAW





This weather bulletin was brought to you by:
www.nashvilleweather.net