[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 081140
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST FRI JAN 08 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 THE 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1115 UTC.

...THE ITCZ...

FROM THE SIERRA LEONE/LIBERIA BORDER ALONG THE COAST NEAR
7N11W TO 6N26W 6N34W TO 7N31W TO 3N43W TO THE EXTREME
NORTHEASTERN COAST OF BRAZIL NEAR 2N51W. ISOLATED MODERATE
SHOWERS FROM 2N TO 5N BETWEEN 23W AND 31W...AND FROM THE
EQUATOR TO 2N BETWEEN THE PRIME MERIDIAN AND 3W.

...DISCUSSION...

THE GULF OF MEXICO...
A SHALLOW COLD FRONT PASSES THROUGH THE FLORIDA BIG BEND TO THE
NORTH CENTRAL GULF WATERS TO 25N94W TO THE MEXICO COAST NEAR
20N...CURVING TO 22N101W. A STATIONARY FRONT CONTINUES FROM
22N101W TO 30N108W IN NORTHERN MEXICO. BROAD UPPER LEVEL
MOISTURE IS BEING PUSHED ACROSS THE AREA BY THE UPPER LEVEL
ANTICYCLONIC FLOW. GALE-FORCE WINDS COVER THE GULF OF MEXICO
TO THE NORTHWEST OF THE FRONT AND TO THE WEST OF 93W. A NARROW
SURFACE RIDGE GOES FROM 27N100W IN MEXICO TO THE NORTHERN
ISTHMUS OF TEHUANTEPEC.

THE CARIBBEAN SEA...
LARGE-SCALE UPPER LEVEL ANTICYCLONIC FLOW COVERS THE AREA.
A SURFACE-TO-LOW LEVEL INVERTED TROUGH GOES FROM 21N82W TO
THE HONDURAS COAST NEAR 16N84W. A REMNANT CLOUD LINE CONTINUES
FROM 20N63W INTO THE MONA PASSAGE TO 17N70W 15N80W TO COASTAL
NICARAGUA NEAR 13N84W. A BROAD SURFACE-TO-LOW LEVEL INVERTED
TROUGH CURVES FROM 15N76W TO 12N79W TO COASTAL PANAMA NEAR
9N80W. A SECOND REMNANT CLOUD LINE CONTINUES THROUGH THE
ANEGADA PASSAGE TO 16N67W AND 13N73W.

THE ATLANTIC OCEAN...
AN UPPER LEVEL TROUGH THAT PASSES THROUGH 32N49W TO 25N63W IS
SUPPORTING THE COLD FRONT THAT PASSES THROUGH 32N57W TO 31N59W.
LITTLE TO NO PRECIPITATION ACCOMPANIES THIS FRONT. SURFACE
ANTICYCLONIC WIND FLOW COVERS THE AREA FROM 20N TO 30N BETWEEN
60W AND FLORIDA AROUND A 1021 MB HIGH PRESSURE CENTER THAT IS
NEAR 27N74W. A COLD FRONT PASSES THROUGH 32N41W IN THE CENTRAL
ATLANTIC OCEAN TO 26N50W TO 20N63W. LITTLE TO NO PRECIPITATION
ACCOMPANIES THIS FRONT. SURFACE ANTICYCLONIC WIND FLOW COVERS
THE AREA FROM 14N TO 30N BETWEEN AFRICA AND 45W AROUND
A 1021 MB HIGH PRESSURE CENTER THAT IS NEAR 27N27W.

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

$$

MT





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