[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 051210
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST SAT 05 MAR 2005

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

BASED ON 0600 UTC SURFACE ANALYSIS AND
SATELLITE IMAGERY THROUGH 1145 UTC.

...ITCZ...

ITCZ 5N9W 2N14W 1N23W 2N30W 3N40W 4N45W 3N51W. ISOLATED MODERATE
SHOWERS AND POSSIBLE THUNDERSTORMS FROM 7N TO 10N BETWEEN 15W
AND 17W...FROM EQUATOR TO 1N BETWEEN 18W AND 20W...AND FROM
EQUATOR TO 6N BETWEEN 33W AND 53W.

...DISCUSSION...

FROM THE EASTERN PACIFIC OCEAN INTO THE GULF OF MEXICO...
BROAD UPPER LEVEL SOUTHWESTERLY FLOW NORTH OF 10N EAST OF 120W
MOVES TO THE MEXICO COAST...AND MOVES ACROSS INTERIOR MEXICO
AS WESTERLY FLOW. OVERCAST HIGH CLOUDS ARE STREAMING FROM THE
EASTERN PACIFIC ACROSS INTERIOR MEXICO INTO CENTRAL TEXAS.
WESTERLY WINDS ARE FOUND OVER THE OPEN GULF WATERS. WIND SPEEDS
RANGE FROM 80 TO 100 KT EVERYWHERE. ISOLATED SHOWERS ARE IN THE
STRAITS OF FLORIDA. BROKEN TO OVERCAST LOW AND MIDDLE LEVEL
CLOUDS AND POSSIBLE PRECIPITATION FROM 25N TO 28N BETWEEN 86W
AND 90W. BROKEN HIGH CLOUDS ARE NORTH OF 22N WEST OF 90W...
MOVING EASTWARD...UNDER THE UPPER LEVEL WESTERLIES. 1022 MB
SURFACE HIGH PRESSURE CENTER NEAR 31N96W IN EAST CENTRAL TEXAS.
BROAD SURFACE ANTICYCLONIC FLOW IS IN THE GULF WITH A WEAK
PRESSURE GRADIENT.

THE CARIBBEAN SEA...
1013 MB LOW PRESSURE CENTER NEAR 23N71W. COLD FRONT FROM THIS
LOW CENTER GOES THROUGH THE WINDWARD PASSAGE TO NORTHERN
JAMAICA...TO 19N80W TO NORTHERN COASTAL HONDURAS TO THE GULF OF
HONDURAS. BROKEN TO OVERCAST LOW AND MIDDLE LEVEL CLOUDS WITH
POSSIBLE RAIN WITHIN 60 TO 90 NM ON EITHER SIDE OF 15N84W FROM
EASTERN HONDURAS TO 19N80W TO 22N75W IN THE WATERS BETWEEN THE
SOUTHERN BAHAMAS AND CUBA. BROKEN HIGH CLOUDS ARE SOUTH OF 18N
BETWEEN 65W AND 80W...CURVING NORTHEASTWARD UNDER UPPER LEVEL
SOUTHWESTERLY WIND FLOW. BROAD AND GENTLE UPPER LEVEL
ANTICYCLONIC FLOW IS CARRYING HIGH CLOUDS FROM THE GULF OF
HONDURAS TOWARD THE WINDWARD PASSAGE.

THE ATLANTIC OCEAN...
BROAD AND GENTLE UPPER LEVEL WESTERLY FLOW TRANSFORMS INTO UPPER
LEVEL ANTICYCLONIC FLOW ALL THE WAY FROM 80W AND FLORIDA TO 25W.
ONE SURFACE COLD FRONT PASSES THROUGH 30N35W TO 27N40W TO
23N50W. DISSIPATING STATIONARY FRONT FROM 23N50W TO 21N60W.
THE SECOND ATLANTIC COLD FRONT PASSES THROUGH 30N43W TO 26N50W
TO 25N57W. STATIONARY FRONT 25N57W TO 1012 MB LOW PRESSURE
CENTER NEAR 23N71W. COLD FRONT FROM THIS LOW CENTER TO NORTHERN
JAMAICA. SURFACE RIDGE THROUGH 30N25W 22N32W 20N41W 19N62W.
BROKEN TO OVERCAST MULTILAYERED CLOUDS AND POSSIBLE RAIN WITHIN
175 TO 200 NM ON EITHER SIDE OF 21N75W 26N61W 29N48W 33N38W
TO 35N28W...BEFORE CURVING NORTHWARD. DEEP LAYER TROUGH FROM
EAST OF THE CAPE VERDE ISLANDS NEAR 17N19W TO THE CANARY
ISLANDS...BEYOND 33N6W IN NORTHERN MOROCCO. SURFACE COLD FRONT
IS WELL INLAND ONLY OVER AFRICA. BROKEN TO OVERCAST LOW AND
MIDDLE LEVEL CLOUDS AND POSSIBLE PRECIPITATION NORTH OF 24N
EAST OF 25W...MOVING SOUTHWARD.

$$
MT



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