000
AXNT20 KNHC 302348
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
705 PM EST SUN MAR 30 2014

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...WEATHER OBSERVATIONS...RADAR...AND METEOROLOGICAL 
ANALYSIS.

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2315 UTC.

...THE ITCZ/THE MONSOON TROUGH...                                
     
THE MONSOON TROUGH EXTENDS ACROSS AFRICA INTO THE TROPICAL ATLC 
NEAR 7N12W AND CONTINUES TO 3N17. THE ITCZ EXTENDS FROM 3N17W TO 
THE EQUATOR NEAR 26W TO THE COAST OF SOUTH AMERICA NEAR 4S38W.  
CLUSTERS OF SCATTERED MODERATE/ISOLATED STRONG CONVECTION ARE S 
OF THE EQUATOR FROM 2S-6S BETWEEN 18W-38W. 

...DISCUSSION...

GULF OF MEXICO...                                               

A COLD FRONT HAS RECENTLY EXITED THE SE GULF OF MEXICO. A 1026 
MB HIGH IS CENTERED OVER MISSISSIPPI NEAR 33N90W. A SURFACE 
RIDGE AXIS EXTENDS S FROM THE HIGH TO THE WESTERN BAY OF 
CAMPECHE. 15 KT ANTICYCLONIC WINDS ARE NOTED IN THE GULF OF 
MEXICO ASSOCIATED WITH THE RIDGE. IN THE UPPER LEVELS...SW TO W 
WINDS ARE NOTED OVER THE GULF. A 90-110 KT JETSTREAM IS OVER THE 
NE GULF AND N FLORIDA. SCATTERED TO BROKEN HIGH CLOUDS EXTEND 
FROM THE BAY OF CAMPECHE TO THE NE GULF. EXPECT THE SURFACE HIGH 
TO MOVE TO THE NE GULF IN 24 HOURS WITH FAIR WEATHER. 
 
CARIBBEAN...                                                    

A COLD FRONT EXTENDS FROM W CUBA AT 23N80W TO TO THE YUCATAN 
PENINSULA AT 21N87W TO 19N92W. SCATTERED SHOWERS WITH ISOLATED 
THUNDERSTORMS ARE WITHIN 30 NM OF THE FRONT. SCATTERED MODERATE 
TO ISOLATED STRONG CONVECTION IS INLAND OVER THE REMAINDER OF 
CUBA. 10-20 KT TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH 
STRONGEST WINDS ALONG THE COAST OF N COLOMBIA. A PATCH OF 
SCATTERED SHOWERS ARE OVER THE WINDWARD ISLANDS FROM 13N-16N 
BETWEEN 60W-66W. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS 
ARE ALSO OVER CENTRAL HISPANIOLA. FAIR WEATHER IS OVER THE 
REMAINDER OF THE CARIBBEAN SEA AND CENTRAL AMERICA. IN THE UPPER 
LEVELS...AN UPPER LEVEL RIDGE IS OVER THE CARIBBEAN WITH AXIS 
FROM CENTRAL CUBA TO NICARAGUA. VERY STRONG SUBSIDENCE IS OVER 
THE ENTIRE CARIBBEAN AND CENTRAL AMERICA. EXPECT THE COLD FRONT 
TO DISSIPATE OVER THE NEXT 24 HOURS.  
  
HISPANIOLA...                                                 

SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS ARE OVER THE 
HIGHER ELEVATIONS OF CENTRAL HISPANIOLA MOVING E. EXPECT MORE 
SHOWERS OVER THE NEXT 24 HOURS. 

ATLANTIC...                                                      

A COLD FRONT IS OVER THE W ATLANTIC FROM 30N73W TO THE N BAHAMAS 
AT 25N77W TO W CUBA AT 23N80W. SCATTERED MODERATE CONVECTION IS 
WITHIN 90 NM E OF THE FRONT. A 1031 MB HIGH IS OVER THE CENTRAL 
ATLANTIC NEAR 34N49W. A SHEAR LINE...THE REMNANTS OF AN OLD COLD 
FRONT...EXTENDS FROM W OF THE CANARY ISLANDS AT 30N17W TO 24N30W 
TO THE CENTRAL ATLANTIC AT 24N40W. IN THE TROPICS...A SURFACE 
TROUGH IS APPROACHING THE LEEWARD ISLANDS AND EXTENDS FROM 
19N58W TO 15N59W. SCATTERED SHOWERS ARE WITHIN 60 NM OF THE 
TROUGH. IN THE UPPER LEVELS...THE BASE OF A LARGE UPPER LEVEL 
TROUGH IS OVER THE W ATLANTIC SUPPORTING THE COLD FRONT. FURTHER 
E...A LARGE UPPER LEVEL LOW IS CENTERED NEAR 24N58W WITH STRONG 
SUBSIDENCE. EXPECT THE COLD FRONT TO MOVE E OVER THE NEXT 24 
HOURS WITH CONVECTION. 

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

$$ 
FORMOSA