[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 030505
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST WED MAR 03 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 GOES-12 SATELLITE
IMAGERY THROUGH 0345 UTC AND METEOSAT-9 SATELLITE IMAGERY
THROUGH 0430 UTC...

...THE ITCZ...
FROM THE SIERRA LEONE/LIBERIA BORDER ALONG THE COAST TO 3N20W
2N30W 1N40W...CROSSING THE EQUATOR ALONG 44W...INTO NORTHEASTERN
BRAZIL NEAR 2S48W. ISOLATED MODERATE SHOWERS ARE TO THE SOUTH OF
3N BETWEEN THE PRIME MERIDIAN AND 4W...BETWEEN 8W AND 13W...ARE
WITHIN 60 NM AND 120 NM ON EITHER SIDE OF 8N13W 4N24W 2N31W
1N42W.

...DISCUSSION...

THE GULF OF MEXICO...THE ATLANTIC OCEAN TO THE WEST OF 70W...
THE CARIBBEAN SEA TO THE WEST OF 65W...
MIDDLE LEVEL TO UPPER LEVEL CYCLONIC FLOW COVERS THE ENTIRE
AREA...THANKS TO A TROUGH THAT PASSES THROUGH THE CAROLINAS
INTO THE EASTERN GULF OF MEXICO...TO THE YUCATAN PENINSULA/
YUCATAN CHANNEL. UPPER LEVEL SOUTHWESTERLY WIND FLOW IS PUSHING
CLOUDS/MOISTURE FROM THE EASTERN PACIFIC OCEAN THAT IS FROM
10N TO 18N BETWEEN 90W AND 110W ACROSS THE ISTHMUS OF
TEHUANTEPEC TOWARD THE YUCATAN PENINSULA. THE TROUGH IS STEERING
A FIRST COLD FRONT THAT PASSES THROUGH 32N75W TO ANDROS ISLAND
IN THE BAHAMAS TO CUBA ALONG 80W...INTO THE CARIBBEAN SEA TO
18N83W...ALONG THE GUATEMALA/HONDURAS BORDER INTO SOUTHERN
GUATEMALA. A SECONDARY COLD FRONT PASSES THROUGH 32N78W TO
NORTH CENTRAL FLORIDA NEAR 29N82W...INTO THE GULF OF MEXICO
NEAR 25N88W. A SURFACE RIDGE GOES FROM A 1020 MB CENTRAL TEXAS
HIGH PRESSURE CENTER TO A 1022 MB HIGH PRESSURE CENTRAL IN
COASTAL MEXICO NEAR 24N98W...TOWARD NORTHWESTERN GUATEMALA.
ISOLATED MODERATE SHOWERS AND POSSIBLE THUNDERSTORMS ARE IN
THE WATERS TO THE NORTH OF CUBA...A LITTLE BIT ACROSS THE
BAHAMAS...AND FROM THE BAHAMAS NORTHWARD TO THE WEST OF 65W.
SHOWERS ARE POSSIBLE TO THE NORTHWEST OF THE LINE FROM WESTERN
NICARAGUA TO EASTERN JAMAICA TO THE WINDWARD PASSAGE.

THE REST OF THE CARIBBEAN SEA...
BROAD UPPER LEVEL ANTICYCLONIC WIND FLOW COVERS THE REST OF
THE AREA. A WEAK SURFACE PRESSURE GRADIENT EXISTS ACROSS
THE CARIBBEAN SEA.

THE REST OF THE ATLANTIC OCEAN...
DEEP LAYER CYCLONIC FLOW AND LOW PRESSURE COVER THE ATLANTIC
OCEAN TO THE NORTH OF 28N BETWEEN 30W AND 60W...ASSOCIATED WITH
A CENTRAL ATLANTIC OCEAN TROUGH. A CYCLONIC CIRCULATION CENTER
ON WATER VAPOR IMAGERY IS NEAR 39N46W. A 984 MB STORM CENTER IS
NEAR 40N49W. THE COLD FRONT THAT EMANATES FROM THE 984 MB STORM
CENTER EVENTUALLY PASSES THROUGH 32N36W TO 23N47W. SHOWERS ARE
FROM 23N TO 25N BETWEEN 38W AND 43W...AND TO THE NORTH OF 30N
BETWEEN 30W AND 35W. DEEP LAYER CYCLONIC FLOW COVERS THE EASTERN
ATLANTIC OCEAN TO THE NORTH OF 29N TO THE EAST OF THE AZORES.
A CYCLONIC CIRCULATION CENTER ON WATER VAPOR IMAGERY IS NEAR
38N14W. A 990 MB GALE CENTER IS NEAR 39N15W. THE COLD FRONT THAT
EMANATES FROM THE 990 MB GALE CENTER PASSES THROUGH SOUTHERN
SPAIN TO MOROCCO NEAR 32N8W. SURFACE ANTICYCLONIC FLOW MOVES
AROUND A 1020 MB HIGH PRESSURE CENTER THAT IS NEAR 26N28W...FROM
10N TO 30N TO THE EAST OF THE 32N36W 23N47W COLD FRONT. SURFACE
ANTICYCLONIC FLOW MOVES AROUND A 1018 MB HIGH PRESSURE CENTER
THAT IS NEAR 24N57W...FROM 15N TO 30N BETWEEN 50W AND 70W.

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

$$
MT





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