634  
AXPZ20 KNHC 250120  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0405 UTC THU APR 25 2024  
 
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM  
03.4S TO 30N, EAST OF 120W INCLUDING THE GULF OF CALIFORNIA, AND  
FROM THE EQUATOR TO 30N, BETWEEN 120W AND 140W. THE FOLLOWING  
INFORMATION IS BASED ON SATELLITE IMAGERY, WEATHER OBSERVATIONS,  
RADAR, AND METEOROLOGICAL ANALYSIS.  
 
BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
0040 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
AN EQUATORIAL TROUGH CURVES NORTHWESTWARD FROM THE BORDER OF  
COLOMBIA AND PANAMA NEAR 07.5N78W TO 06.5N81W TO 09N100W. THE  
ITCZ EXTENDS FROM 09N100W TO 07N120W TO 03.5N140W. SCATTERED  
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 03N TO 09N  
BETWEEN 82W AND 87W, AND FROM 03N TO 10N BETWEEN 92W AND 136W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
A SURFACE RIDGE EXTENDS SOUTHEASTWARD ROUGHLY ALONG THE OUTER  
OFFSHORE WATERS BOUNDARY. THE PRESSURE GRADIENT OVER THE NORTHERN  
WATERS IS SUPPORTING MODERATE TO FRESH SW WINDS IN THE NORTHERN  
GULF OF CALIFORNIA, WITH MODERATE TO FRESH NW WINDS NEARSHORE AND  
W OF BAJA CALIFORNIA. MAINLY GENTLE TO MODERATE WINDS PREVAIL  
ACROSS THE REMAINDER OF THE OFFSHORE WATERS. SEAS ARE 4 TO 6 FT  
IN MERGING SW AND NW SWELL ACROSS THE OPEN WATERS, AND 1 TO 3 FT  
IN THE GULF OF CALIFORNIA.  
 
FOR THE FORECAST, MODERATE TO FRESH SOUTHERLY WINDS IN THE  
NORTHERN GULF OF CALIFORNIA WILL PULSE TO BETWEEN FRESH AND  
STRONG WITH LOCALLY NEAR-GALE FORCE THIS EVENING THROUGH THU  
MORNING, AND AGAIN FRI EVENING THROUGH EARLY SAT MORNING.  
STARTING THU, HIGH PRESSURE ACROSS THE EAST PACIFIC IS GOING TO  
STRENGHTEN. THIS WILL CAUSE GENTLE TO MODERATE NORTHERLY WINDS  
WEST OF BAJA CALIFORNIA AND NEAR THE REVILLAGIGEDO ISLANDS TO  
BECOME FRESH TO LOCALLY STRONG ALONG WITH BUILDING SEAS BY FRI.  
THE PRESSURE GRADIENT ACROSS THE WATERS WILL WEAKEN BY THE END OF  
THE WEEKEND INTO EARLY NEXT WEEK RESULTING IN FAIRLY TRANQUIL  
CONDITIONS.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH WINDS ARE NOTED OFFSHORE SOUTHERN NICARAGUA  
AND ALSO IN THE GULF OF PANAMA. WINDS ARE MAINLY LIGHT TO GENTLE  
ELSEWHERE. SEAS ARE 4 TO 6 FT IN S TO SW SWELL ACROSS THE  
OFFSHORE WATERS. SCATTERED SHOWERS AND THUNDERSTORMS ARE NEAR THE  
PACIFIC COAST OF COLOMBIA, AND OFFSHORE/S OF COSTA RICA WHERE  
THE EQUATORIAL TROUGH PASSES THROUGH.  
 
FOR THE FORECAST, MODERATE NE TO E WINDS AT THE GULF OF PAPAGAYO  
REGION WILL BECOME FRESH TO STRONG LATER THIS EVENING THROUGH  
FRI MORNING, THE MODERATE TO FRESH THROUGH SAT MORNING. MODERATE  
TO FRESH N WINDS WILL PULSE IN THE GULF OF PANAMA TONIGHT THROUGH  
THU. LITTLE CHANGE IN SEAS IS EXPECTED DURING THE NEXT SEVERAL  
DAYS.  
   
..REMAINDER OF THE AREA
 
 
A FRONTAL TROUGH IS OVER THE NORTHERN WATERS FROM 30N123.5W TO  
27N127W TO 28.5N130W. SOME ISOLATED TO SCATTERED SHOWERS ARE  
POSSIBLE NEAR THE TROUGH. OTHERWISE, BROAD RIDGING DOMINATES THE  
WATERS N OF THE ITCZ. MODERATE TO FRESH TRADES AND 6 TO 9 FT  
SEAS ARE FROM 09N TO 20N AND W OF 115W. MAINLY GENTLE TO MODERATE  
WINDS PREVAIL ACROSS THE REMAINDER OF THE WATERS, ALONG WITH SEAS  
OF 5 TO 7 FT, PRIMARILY IN SW SWELL S OF 10N AND PRIMARILY IN NW  
SWELL N OF 10N.  
 
FOR THE FORECAST, THE MODERATE TO FRESH TRADE WINDS ARE FORECAST  
TO BECOME FRESH TO OCCASIONALLY STRONG, ALONG WITH CONTINUING 7  
TO 9 FT SEAS THU EVENING AS THE SURFACE RIDGE STRENGTHENS.  
MEANWHILE, THE TROUGH IN THE NORTHERN WATERS WILL DISSIPATE  
THROUGH THU WHILE SHIFTING E. MODERATE TO FRESH N TO NE WINDS  
AND SEAS AT 6 TO 8 FT ARE EXPECTED NORTH OF 20N AND E OF 125W BY  
FRI. LITTLE CHANGE IS FORECAST ACROSS THE REMAINDER OF THE WATERS  
INTO EARLY NEXT WEEK.  
 

 
LEWITSKY  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page