000
AXNT20 KNHC 140514
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL  
105 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0345 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N11W 4N24W 2N45W ACROSS THE EQUATOR 
AND INLAND OVER SOUTH AMERICA NEAR 50W. SCATTERED MODERATE/ 
STRONG CONVECTION IS WITHIN 60/75 NM OF LINE FROM 4N11W TO 
2N19W. SCATTERED MODERATE/ISOLATED STRONG CONVECTION IS WITHIN 
90/120 NM EITHER SIDE OF THE ITCZ FROM 21W-335W. 

...DISCUSSION...

GULF OF MEXICO...
WEAK HIGH PRESSURE COVERS THE SW GULF WITH A 1014 MB HIGH 
LOCATED NEAR 22N92W. LOW PRESSURE REMAINS IN CONTROL OF THE NE 
GULF ALTHOUGH THE COLD FRONT IS WELL E OF THE AREA. A LARGE 
UPPER TROUGH/LOW IS MOVING INTO THE W ATLC COVERING THE NE GULF 
N OF 28N E OF 90W AS AN UPPER RIDGE IS MOVING TO OVER THE GULF 
ANCHORED IN THE E PACIFIC. A JETSTREAM WITH WINDS OF 90 TO 170 
KT COVERS THE GULF N OF 23N. SKIES REMAIN REMARKABLY CLEAR 
ACROSS THE ENTIRE GULF.   

CARIBBEAN SEA...
THE COLD FRONT THAT WAS OVER THE W CARIBBEAN IS PULLING UP 
STATIONARY EXTENDING ACROSS CUBA NEAR 20N77W EXTENDING S TO THE 
SW CARIBBEAN NEAR 11N82W. ISOLATED SHOWERS ARE WITHIN 30/45 NM 
EITHER SIDE OF THE FRONT. DENSE LOW CLOUDS WITH PATCHES OF FOG 
COVER THE GULF OF HONDURAS S OF 17N W OF 85W TO INLAND OVER 
HONDURAS AND GUATEMALA. DRY STABLE AIR ARE GIVING THE REMAINDER 
OF THE CARIBBEAN FAIR WEATHER AGAIN TONIGHT. 

ATLANTIC OCEAN...
LOW PRESSURE DOMINATES THE FAR W ATLC WITH A COLD FRONT 
EXTENDING ALONG THROUGH 32N69W ALONG 26N72W INTO THE CARIBBEAN 
ACROSS CUBA NEAR 20N77W WITH CLUSTERS OF SCATTERED SHOWERS/ 
THUNDERSTORMS N OF 24N BETWEEN 55W AND THE FRONT. NARROWING 
SURFACE RIDGE IS OVER THE REMAINDER OF THE W ATLC INTO THE 
CENTRAL ATLC ANCHORED BY A 1026 MB HIGH 700 NM E OF BERMUDA NEAR 
33N51W. A DEEP LAYER TROUGH COVERS THE REMAINDER OF THE CENTRAL 
INTO THE E ATLC N OF 18N FROM 25W-45W SUPPORTING A STATIONARY 
FRONT THAT ENTERS THE E ATLC NEAR 32N28W TO 18N41W 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 20N27W. 

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

$$
WALLACE