000
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