[Tropical] Tropical Weather Discussion

[EMWIN Server]

AXNT20 KNHC 141043
TWDAT

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
705 AM EST SUN MAR 14 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
1015 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N9W 3N24W 2N43W ACROSS THE EQUATOR
AND INLAND OVER SOUTH AMERICA NEAR 50W. SCATTERED MODERATE/
ISOLATED STRONG CONVECTION IS WITHIN 75 NM OF LINE FROM THE
COAST OF LIBERIA NEAR 5N9W TO 2N21W AND FROM 2N-6N BETWEEN
24W-31W.

...DISCUSSION...

GULF OF MEXICO...
WEAK HIGH PRESSURE COVERS THE S GULF WITH A 1014 MB HIGH OVER
THE NE TIP OF THE YUCATAN NEAR 22N87W. LOW PRESSURE IS SHIFTING
E ACROSS THE FLORIDA PENINSULA INTO THE W ATLC. A LARGE UPPER
TROUGH/LOW CONTINUES TO MOVE OFF THE CONUS US OVER THE W ATLC
COVERING THE N GULF COAST STATES AS AN UPPER RIDGE IS BEGINNING
TO DOMINATE THE GULF ANCHORED IN THE E PACIFIC. A JETSTREAM WITH
WINDS OF 90 TO 160 KT COVERS THE GULF N OF 24N. SKIES REMAIN
REMARKABLY CLEAR ACROSS THE ENTIRE GULF.

CARIBBEAN SEA...
THE COLD FRONT ENTERS THE W CARIBBEAN ACROSS CUBA NEAR 20N76W
EXTENDING SW ACROSS W JAMAICA TO 16N79W WERE IT BECOMES
STATIONARY CONTINUING INTO SW CARIBBEAN NEAR TO THE BORDER OF
COSTA RICA/NICARAGUA. ISOLATED SHOWERS ARE WITHIN 75 NM NW OF
THE FRONTAL BOUNDARY. DENSE LOW CLOUDS WITH PATCHES OF FOG/HAZE
COVER THE GULF OF HONDURAS S OF 18.5N W OF 85W TO INLAND OVER
HONDURAS...GUATEMALA...AND MOST OF BELIZE. DRY STABLE AIR ARE
GIVING THE REMAINDER OF THE CARIBBEAN FAIR WEATHER AGAIN THIS
MORNING.

ATLANTIC OCEAN...
LOW PRESSURE DOMINATES THE W ATLC WITH A COLD FRONT EXTENDING
THROUGH 32N67W ALONG 23N71W THROUGH THE TURKS AND CAICOS INTO
THE CARIBBEAN ACROSS CUBA NEAR 20N76W WITH CLUSTERS OF SCATTERED
SHOWERS/ISOLATED THUNDERSTORMS N OF 25N BETWEEN 58W AND THE
FRONT AND ISOLATED SHOWERS WITHIN 90/120 NM NW OF THE REMAINDER
OF THE FRONT. SURFACE RIDGE IS OVER THE CENTRAL ATLC ANCHORED BY
A 1024 MB HIGH NEAR 29N43W. A NARROWING DEEP LAYER TROUGH COVERS
THE REMAINDER OF THE CENTRAL INTO THE E ATLC N OF 20N FROM
20W-40W SUPPORTING A STATIONARY FRONT THAT ENTERS THE E ATLC
NEAR 32N27W TO 20N38W WITH NO SIGNIFICANT WEATHER ASSOCIATED
WITH THIS FRONT. A WEAK AND NARROWING SURFACE RIDGE IS OVER THE
REMAINDER OF THE E ATLC EXTENDING JUST W OF CANARY TO 20N26W.

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

$$
WALLACE






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