[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 091154
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST TUE FEB 09 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY
THROUGH 1115 UTC.

...THE ITCZ...

FROM THE NORTHERN COASTAL LIBERIA NEAR 7N11W TO 5N20W 1N34W 1N41W...
INTO COASTAL NORTHEASTERN BRAZIL TO THE EQUATOR ALONG 50W. SHOWERS
ARE POSSIBLE TO THE SOUTH OF 8N TO THE EAST OF 30W...AND TO THE
SOUTH OF 3N BETWEEN 30W AND 50W.

...DISCUSSION...

THE GULF OF MEXICO...
LARGE-SCALE UPPER LEVEL ZONAL FLOW COVERS THE AREA. A MIDDLE
LEVEL TO UPPER LEVEL SHORTWAVE TROUGH MOVES FROM COASTAL
SOUTHWESTERN LOUISIANA TO 26N95W IN THE NORTHWESTERN WATERS.
THE COLD FRONT RUNS FROM EAST TEXAS TO THE COASTAL PLAINS OF
TEXAS AS FAR TO THE SOUTH AS 27N...BEFORE CURVING MORE TO THE
WEST TO 26N102W NORTHERN MEXICO. SHOWERS ARE POSSIBLE FROM 26N
TO THE LOUISIANA GULF OF MEXICO COAST BETWEEN 91W AND 93W.

FROM THE CENTRAL ATLANTIC OCEAN...ACROSS HISPANIOLA...INTO
THE CARIBBEAN SEA TO THE BORDER OF COASTAL NICARAGUA AND
COASTAL HONDURAS...
BROAD LARGE-SCALE UPPER LEVEL CYCLONIC FLOW IS TO THE NORTH OF
THE LINE FROM ANDROS ISLAND IN THE BAHAMAS TO 25N60W BEYOND
33N35W. THIS CYCLONIC FLOW IS PART OF THE TROUGH THAT SUPPORTS
THE COLD FRONT THAT CONTINUES FROM THE CENTRAL ATLANTIC OCEAN
NEAR 32N44W TO 24N56W TO THE WESTERN DOMINICAN REPUBLIC.
SHOWERS ARE POSSIBLE WITHIN 60 NM TO 75 NM ON EITHER SIDE OF
THE CLOUD LINE FOR THE ATLANTIC OCEAN COLD FRONT...THROUGH 32N37W
TO 26N50W TO 22N60W...TO 23N72W. CLOUDS AND POSSIBLE SHOWERS FROM
19N TO 20N BETWEEN 68W AND 69W IN THE EASTERN COASTAL WATERS OF
THE DOMINICAN REPUBLIC...AND FROM 16N TO 17N BETWEEN 82W AND 84W
OFF THE EASTERN COAST OF HONDURAS.

THE REST OF THE ATLANTIC OCEAN...
WEAK UPPER LEVEL CYCLONIC FLOW COVERS THE AREA FROM 16N TO 26N
BETWEEN 20W AND 30W. AN UPPER LEVEL TROUGH GOES FROM 19N18W TO
14N23W 9N28W BEYOND 1N36W. SURFACE ANTICYCLONIC FLOW MOVES AROUND
A RIDGE THAT GOES FROM 35N19W TO A 1021 MB HIGH PRESSURE CENTER
THAT IS NEAR 28N31W...TO 23N43W AND 22N54W.

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

$$
MT



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