[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 080542
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
105 AM EDT MON NOV 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 0515 UTC.

...THE ITCZ...

FROM THE COAST OF SIERRA LEONE NEAR 8N12W TO 5N30W 7N49W
6N58W. DISORGANIZED ISOLATED MODERATE RAINSHOWERS ARE WITHIN
60 NM TO 90 NM ON EITHER SIDE OF 8N12W 5N20W 4N30W...AND 5N33W
9N40W. ISOLATED MODERATE RAINSHOWERS ARE TO THE SOUTH OF 5N
BETWEEN 28W AND 41W...AND FROM 5N TO 10N 40W AND 50W.
RAINSHOWERS AND THUNDERSTORMS ARE FROM THE EQUATOR TO 1S
BETWEEN 30W AND 36W.

...DISCUSSION...

THE GULF OF MEXICO...
THE DEEP LAYER TROUGH THAT PUSHED THE LAST COLD FRONT THROUGH
THE AREA IS LEAVING REMNANT MIDDLE LEVEL TO UPPER LEVEL CYCLONIC
FLOW ACROSS THE U.S.A. GULF COAST STATES FROM LOUISIANA
EASTWARD...BEYOND FLORIDA...INTO THE ATLANTIC OCEAN NEAR 66W...
AND IN THE GULF OF MEXICO TO THE NORTH OF 27N TO THE EAST OF 85W
ACROSS FLORIDA INTO THE ATLANTIC OCEAN TO 70W. UPPER LEVEL
SOUTHWESTERLY WIND FLOW MOVES FROM THE EASTERN PACIFIC OCEAN...
TO THE SOUTH OF MEXICO BETWEEN 95W AND 105W...ACROSS MEXICO...
INTO THE SOUTH CENTRAL GULF OF MEXICO AND BEYOND THE STRAITS OF
FLORIDA TOWARD THE BAHAMAS. BROAD SURFACE ANTICYCLONIC WIND FLOW
MOVES AROUND A RIDGE THAT PASSES THROUGH SOUTH CENTRAL LOUISIANA
TOWARD THE LOWER RIO GRANDE VALLEY OF TEXAS...TO THE WESTERN
PART OF THE ISTHMUS OF TEHUANTEPEC OF MEXICO.

THE CARIBBEAN SEA...
BROAD UPPER LEVEL ANTICYCLONIC FLOW IS ON TOP OF THE AREA.
A COLD FRONT EXTENDS FROM THE ATLANTIC OCEAN THROUGH 22N65W
TO THE AREA BETWEEN THE VIRGIN ISLANDS AND PUERTO RICO THAT IS
NEAR 18N65W. A SURFACE TROUGH CONTINUES FROM 18N65W TO THE
WATERS THAT ARE BETWEEN ARUBA...CURACAO AND LA PENINSULA DE
PARAGUANA OF VENEZUELA NEAR 12N69W. BROKEN TO OVERCAST
MULTILAYERED CLOUDS AND ISOLATED MODERATE RAINSHOWERS AND
POSSIBLE THUNDERSTORMS ARE WITHIN 180 NM ON EITHER SIDE OF THE
LINE FROM 21N60W TO 15N65W TO JUST NORTHEAST OF LAKE MARACAIBO
IN NORTHWESTERN VENEZUELA NEAR 11N71W. RAINSHOWERS THAT ARE IN
NORTHERN COLOMBIA AND NEARBY WATERS FROM 8N TO 13N BETWEEN 72W
AND 77W MAY BE RELATED TO A NEARBY MIDDLE LEVEL TROUGH.

THE ATLANTIC OCEAN...
THE REMNANT LOW OF TOMAS IS A 999 MB LOW PRESSURE CENTER THAT
IS NEAR 26N68W. A COLD FRONT PASSES THROUGH 32N67W TOWARD THE
REMNANT LOW OF TOMAS. A COLD FRONT CONTINUES FROM THE 999 MB
LOW PRESSURE CENTER SOUTHWARD BEYOND 22N65W TO THE WATERS BETWEEN
PUERTO RICO AND THE VIRGIN ISLANDS. UPPER LEVEL CYCLONIC FLOW
COVERS THE WATERS TO THE NORTH OF 27N TO THE WEST OF 70W. UPPER
LEVEL SOUTHWESTERLY WIND FLOW MOVES THROUGH THE STRAITS OF
FLORIDA...ACROSS THE BAHAMAS...TOWARD THE REMNANT LOW CENTER.
ISOLATED MODERATE RAINSHOWERS AND POSSIBLE THUNDERSTORMS ARE
WITHIN 150 NM ON EITHER SIDE OF THE LINE FROM 31N66W TO 25N64W
TO 20N62W. AN UPPER LEVEL TROUGH IS ALONG 32N54W...TO A 23N50W
CYCLONIC CIRCULATION CENTER TO 15N50W...TO 6N53W. A SURFACE
TROUGH IS ALONG 24N53W 28N54W 32N53W. SCATTERED MODERATE
RAINSHOWERS TO ISOLATED STRONG THUNDERSTORMS ARE ON THE EASTERN
SIDE OF THE TROUGH...TO THE NORTH OF 19N BETWEEN 39W AND 52W.
BROAD SURFACE ANTICYCLONIC FLOW MOVES AROUND A RIDGE THAT RUNS
FROM 10N31N BEYOND 32N33W.

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

$$
MT





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