000
AXNT20 KNHC 250544
TWDAT 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
105 AM EST TUE FEB 25 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0515 UTC.

...ITCZ/MONSOON TROUGH...                                       
THE MONSOON TROUGH EXTENDS FROM THE AFRICAN COAST NEAR 05N07W TO 
02N18W. THE INTERTROPICAL CONVERGENCE ZONE AXIS EXTENDS FROM 
02N18W TO THE EQUATOR NEAR 30W THEN ALONG THE EQUATOR TO 50W. 
WIDELY SCATTERED MODERATE CONVECTION IS S OF 04N BETWEEN 26W-51W.

...DISCUSSION...

GULF OF MEXICO...                                                
A WEAK MIDDLE TO UPPER LEVEL SHORTWAVE TROUGH IS NOTED ON WATER 
VAPOR IMAGERY MOVING EASTWARD OVER THE NORTHERN GULF COAST THIS 
EVENING WITH THE ENERGY FOCUSED IN THE VICINITY OF 29N90W. WEAK  
TROUGHING AT THE SURFACE RESULTS ACROSS THE NORTHERN GULF WATERS 
AS CLOUDINESS AND MOISTURE...ALONG WITH A FEW ISOLATED SHOWERS 
ARE EXPECTED TO CONTINUE INTO TUESDAY N OF 27N W OF 93W. 
OTHERWISE...WEAK E-SE WINDS IN THE RANGE OF 5 TO 15 KT PREVAIL 
CURRENTLY WITH THE OVERALL SYNOPTIC PATTERN TO CHANGE LITTLE 
THROUGH LATE TUESDAY INTO EARLY WEDNESDAY WHEN THE NEXT FRONTAL 
BOUNDARY IS EXPECTED TO EMERGE OFF THE TEXAS AND LOUISIANA 
COASTS WITH STRONG NORTHEASTERLY WINDS FOLLOWING DURING THE DAY 
ON WEDNESDAY.

CARIBBEAN SEA...                                        
GENERALLY SOUTHWESTERLY FLOW ALOFT IS OVER THE CARIBBEAN THIS 
EVENING WITH WATER VAPOR IMAGERY INDICATING VERY DRY AND STABLE 
CONDITIONS. THIS OVERALL STABILITY ALOFT IS RESULTING IN FAIR 
SKIES AND TRANQUIL CONDITIONS...WHICH ARE EXPECTED TO CONTINUE 
THROUGH THE OVERNIGHT HOURS THROUGH LATE TUESDAY. TRADE WINDS 
PERSIST WITH THE STRONGEST WINDS NOTED GENERALLY S OF 15N 
BETWEEN 71W-79W IN CLOSE PROXIMITY TO THE COAST OF COLOMBIA.
 
HISPANIOLA...                                                    
CURRENTLY A FEW POSSIBLE ISOLATED SHOWERS ACROSS SOUTHWEST 
PORTIONS OF THE ISLAND...HOWEVER THE OVERNIGHT HOURS SHOULD 
REMAIN FAIRLY TRANQUIL DUE TO DRY AND STABLE WESTERLY WINDS 
ALOFT.

ATLANTIC OCEAN...                                               
A BROAD MIDDLE TO UPPER LEVEL TROUGH IS NOTED ON WATER VAPOR 
IMAGERY OFF THE U.S. EASTERN SEABOARD THAT SUPPORTS A COLD FRONT 
EXTENDING INTO THE DISCUSSION AREA NEAR 32N70W. THE FRONT 
CONTINUES SW TO THE FLORIDA PENINSULA NEAR 27N80W. A PRE-FRONTAL 
SURFACE TROUGH LIES TO THE EAST OF THE COLD FRONT EXTENDING FROM 
32N62W SW TO 27N74W. ISOLATED SHOWERS ARE OCCURRING WITHIN 90 NM 
EITHER SIDE OF THE COLD FRONT AND ISOLATED SHOWERS AND TSTMS ARE 
OCCURRING WITHIN 90 NM EITHER SIDE OF THE SURFACE TROUGH AXIS. 
OTHERWISE...THE REMAINDER OF THE CENTRAL AND EASTERN ATLC IS 
UNDER THE INFLUENCE OF A SURFACE RIDGE ANCHORED BY A 1029 MB 
HIGH CENTERED SOUTH OF THE AZORES NEAR 32N29W.

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

$$
HUFFMAN