000
AXNT20 KNHC 200534
TWDAT 

TROPICAL WEATHER DISCUSSION                                    
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
205 AM EDT FRI MAR 20 2015

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 6N10W TO 
0N21W. THE ITCZ EXTENDS FROM 0N21W TO 2S37W TO THE COAST OF 
SOUTH AMERICA NEAR 3S40W. SCATTERED MODERATE CONVECTION IS FROM 
1N-4N BETWEEN 13W-18W. WIDELY SCATTERED MODERATE CONVECTION IS 
FROM 0N-6S BETWEEN 4W-30W. SCATTERED MODERATE CONVECTION IS FROM 
2N-1S BETWEEN 44W-50W. 

...DISCUSSION...

GULF OF MEXICO...                                               

A 1018 MB HIGH IS CENTERED OVER THE NE GULF OF MEXICO NEAR 
27N87W. 5-10 KT ANTICYCLONIC WINDS ARE OVER THE NE GULF. GOES-R 
PROVING GROUND LOW STRATUS/FOG IFR ANIMATION SHOWS AN AREA OF 
PATCHY FOG ALONG THE FLORIDA COAST N OF 28N E OF 85W. FURTHER 
W...THE NW GULF HAS 5-10 KT SE SURFACE WINDS. MORE PATCHY FOG IS 
OVER THE W GULF W OF 94W TO INCLUDE THE TEXAS AND MEXICAN 
COASTS. IN THE UPPER LEVELS...AN UPPER LEVEL RIDGE IS OVER THE 
GULF WITH AXIS ALONG 89W. STRONG SUBSIDENCE COVERS THE ENTIRE 
GULF WHILE UPPER LEVEL MOISTURE IS OVER TEXAS AND THE NORTH GULF 
STATES. EXPECT LITTLE CHANGE OVER THE NEXT 24 HOURS. A WEAK COLD 
FRONT IS FORECAST TO ENTER THE NW GULF EARLY ON SUN. 
                    
CARIBBEAN SEA...                                                 

10-25 KT TRADEWINDS ARE OVER THE CARIBBEAN SEA WITH STRONGEST 
WINDS ALONG THE COAST OF N COLOMBIA AND LIGHTEST WINDS OVER THE 
NW CARIBBEAN. MOSTLY FAIR WEATHER IS OVER THE CARIBBEAN AND 
CENTRAL AMERICA. RADAR IMAGERY SHOWS SCATTERED SHOWERS HOWEVER 
OVER THE MONA PASSAGE. MORE SHOWERS ARE OVER THE HIGHER 
ELEVATIONS OF HISPANIOLA. IN THE UPPER LEVELS...AN UPPER LEVEL 
RIDGE IS OVER THE W CARIBBEAN W OF 70W. NW FLOW IS OVER THE E 
CARIBBEAN. STRONG SUBSIDENCE IS OVER THE ENTIRE CARIBBEAN SEA. 
EXPECT LITTLE CHANGE OVER THE NEXT 24 HOURS.  

...HISPANIOLA...                                                

BROKEN LOW CLOUDS ARE OVER HISPANIOLA WITH SCATTERED SHOWERS 
OVER THE HIGHER ELEVATIONS. EXPECT SIMILAR CONDITIONS OVER THE 
NEXT 24 HOURS.  

ATLANTIC OCEAN...                                            

A STATIONARY FRONT IS OVER THE WESTERN ATLANTIC FROM 26N67W TO 
27N78W TO JACKSONVILLE FL AT 30N81W. A COLD FRONT IS OVER THE 
CENTRAL ATLANTIC FROM 31N50W TO 26N62W TO 26N67W. SCATTERED 
SHOWERS ARE WITHIN 60 NM N OF THE COLD FRONT. A PREFRONTAL 
TROUGH EXTENDS FROM 31N45W TO 24N51W. SCATTERED SHOWERS ARE 
WITHIN 45 NM OF THE TROUGH. A 1030 MB HIGH IS CENTERED OVER THE 
AZORES NEAR 39N29W. SURFACE RIDGING IS OVER THE E ATLANTIC N OF 
20N E OF 40W. OF NOTE OVER THE UPPER LEVELS...AN UPPER LEVEL 
TROUGH IS OVER THE W ATLANTIC N OF 25N W OF 50W SUPPORTING THE 
SURFACE FRONTS. A LARGE UPPER LEVEL LOW IS CENTERED OFF THE 
COAST OF MOROCCO NEAR 34N10W. EXPECT OVER THE NEXT 24 HOURS FOR 
THE COLD FRONT TO MOVE E AND EXTEND FROM 31N45W TO 23N52W WITH 
SHOWERS. ALSO EXPECT ANOTHER COLD FRONT TO ENTER THE W ATLANTIC 
AND REACH 31N77W WITH SHOWERS.  
  
FOR ADDITIONAL INFORMATION PLEASE VISIT 
HTTP://WWW.HURRICANES.GOV/MARINE

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FORMOSA