[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 101051
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
805 AM EDT SAT APR 10 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
1045 UTC...

...THE ITCZ...
THE ITCZ AXIS IS CENTERED ALONG 7N10W 4N20W 3N40W TO INLAND NE
BRAZIL NEAR 1N50W. SCATTERED MODERATE TO STRONG CONVECTION IS
ALONG THE COAST OF WEST AFRICA FROM 1N-6N BETWEEN THE PRIME
MERIDIAN AND 3W. WIDELY SCATTERED MODERATE CONVECTION IS ALSO
ALONG THE COAST OF WEST AFRICA FROM 3N-6N BETWEEN 10W-15W.
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 2N-6N
BETWEEN 21W-37W. ISOLATED MODERATE CONVECTION IS FROM 3N-5N
BETWEEN 43W-47W.

...DISCUSSION...

GULF OF MEXICO...
AS OF 10/0900 UTC...A COLD FRONT EXTENDS FROM THE STRAITS OF
FLORIDA TO W CUBA ALONG 24N80W 23N82W MOVING E. BASICALLY ALL
THAT REMAINS WITH THE FRONT OVER THE STRAITS OF FLORIDA ARE SOME
BROKEN LOW CLOUDS AND A WIND SHIFT. A SURFACE TROUGH HAS ALSO
FORMED OVER THE BAY OF CAMPECHE FROM 23N93W TO 19N93W. FURTHER
NORTH...MORNING TEMPERATURES HAVE DROPPED TO THE 40'S OVER THE
FLORIDA PANHANDLE DUE TO COLD AIR ADVECTION AND RADIATIONAL
COOLING. A 1026 MB HIGH IS ALSO CENTERED OVER TENNESSEE NEAR
36N85W PRODUCING 10-15 KT ANTICYCLONIC SURFACE FLOW OVER THE N
GULF OF MEXICO. IN THE UPPER LEVELS...ZONAL FLOW COVERS THE
GULF. SIGNIFICANT UPPER LEVEL MOISTURE AND BROKEN HIGH CLOUDS
ARE OVER THE E GULF W OF 90W. STRONG SUBSIDENCE IS OVER THE E
GULF. EXPECT...SCATTERED SHOWERS OVER THE CENTRAL GULF OVER THE
NEXT 24 HOURS WITH THE SURFACE TROUGH.

CARIBBEAN SEA...
AS OF 10/0900 UTC...A 1009 MB LOW IS CENTERED OVER N COLOMBIA
NEAR 9N75W. FRESH TO STRONG TRADEWINDS ARE OVER THE CARIBBEAN
SEA AND CENTRAL AMERICA WITH STRONGEST WINDS ALONG THE COAST OF
COLOMBIA. WIDELY SCATTERED MODERATE CONVECTION IS INLAND OVER N
COLOMBIA AND NW VENEZUELA FROM 6N-10N BETWEEN 72W-78W. SCATTERED
SHOWERS ARE OVER PANAMA...COSTA RICA...HISPANIOLA...AND THE
WINDWARD ISLANDS S OF 15N E OF 63W. EXPECT...MORE SCATTERED
SHOWERS OVER THE SOUTHERN CARIBBEAN S OF 15N OVER THE NEXT 24
HOURS.

ATLANTIC OCEAN...
A COLD FRONT IS OVER THE W ATLANTIC FROM 32N70W TO THE STRAITS
OF FLORIDA NEAR 24N80W. SCATTERED SHOWERS ARE WITHIN 30 NM OF
THE FRONT. A 1030 MB HIGH IS OVER THE CENTRAL ATLANTIC NEAR
41N49W. IN THE TROPICS... A SURFACE TROUGH EXTENDS FROM 16N42W
TO THE WINDWARD ISLANDS NEAR 13N60W. BROKEN LOW CLOUDS AND
SCATTERED SHOWERS ARE WITHIN 30 NM OF THE TROUGH. IN THE UPPER
LEVELS...ZONAL FLOW IS OVER THE W ATLANTIC W OF 70W. A BROAD
UPPER LEVEL RIDGE IS N OF 20N BETWEEN 50W-70W. A BROAD UPPER
LEVEL TROUGH IS N OF 20N BETWEEN 20W-50W. EXPECT THE W ATLANTIC
COLD FRONT TO MOVE E TO 32N62W IN 24 HOURS WITH SHOWERS.

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

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FORMOSA







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