181  
AXPZ20 KNHC 262038  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC FRI JUL 26 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
1940 UTC.  
   
..SPECIAL FEATURES
 
 
POST-TROPICAL CYCLONE BUD IS CENTERED NEAR 19.2N 120.5W AT  
26/2100 UTC, MOVING WEST AT 9 KT. ESTIMATED MINIMUM CENTRAL  
PRESSURE IS 1008 MB. MAXIMUM SUSTAINED WIND SPEED IS 30 KT WITH  
GUSTS TO 40 KT. PEAK SEAS ARE CURRENTLY AROUND 11 FT. SCATTERED  
MODERATE CONVECTION IS WELL REMOVED FROM THE CENTER, BETWEEN 60  
NM AND 120 NM IN THE NW QUADRANT. A SLOWER WEST-SOUTHWESTWARD  
MOTION IS FORECAST THIS WEEKEND. FURTHER WEAKENING IS EXPECTED,  
AND THE SYSTEM IS FORECAST TO DISSIPATE BY SUN. PLEASE READ THE  
LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL HURRICANE CENTER  
AT WEBSITE - HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML AND  
THE LATEST BUD NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT  
WWW.HURRICANES.GOV FOR MORE DETAILS.  
   
..TROPICAL WAVES
 
 
THE AXIS OF A TROPICAL WAVE IS NEAR 78W FROM 03N AT THE PACIFIC  
COAST OF COLOMBIA NORTHWARD ACROSS EASTERN PANAMA AND THE  
CARIBBEAN SEA, MOVING QUICKLY WESTWARD AT 20-25 KT. NEARBY  
CONVECTION IS DESCRIBED BELOW IN THE ITCZ/MONSOON TROUGH SECTION.  
 
THE AXIS OF A TROPICAL WAVE IS NEAR 111W FROM 07N TO 19N NEAR  
THE REVILLAGIGEDO ISLANDS, MOVING SLOWLY WEST AT AROUND 5 KT.  
NEARBY CONVECTION IS DESCRIBED BELOW IN THE ITCZ/MONSOON TROUGH  
SECTION.  
 
THE AXIS OF A TROPICAL WAVE IS NEAR 130.5W FROM 05N TO 18N,  
MOVING WEST AT AROUND 10 KT. NO SIGNIFICANT CONVECTION IS RELATED  
TO THIS WAVE AT THIS TIME.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 14N114W, THEN RESUMES  
FROM 15N122W TO 11N131W. THE ITCZ EXTENDS FROM 11N131W TO BEYOND  
10N140W. SCATTERED MODERATE CONVECTION IS NOTED FROM 03N TO 10.5N  
BETWEEN 77W AND 91W. ISOLATED TO WIDELY SCATTERED MODERATE  
CONVECTION IS NOTED FROM 06N TO 14N BETWEEN 91W AND 98W, FROM 10N  
TO 17N BETWEEN 104W AND 118W, AND FROM 12N TO 16N BETWEEN 120W  
AND 127W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
A THIN PLUME OF FRESH N WINDS IS IN THE IMMEDIATE GULF OF  
TEHUANTEPEC. WINDS ARE MODERATE OR WEAKER ELSEWHERE ACROSS THE  
OFFSHORE WATERS OF MEXICO, INCLUDING IN THE GULF OF CALIFORNIA,  
AS SAMPLED BY RECENT ASCAT SCATTEROMETER DATA. SEAS ARE IN THE  
4-6 FT RANGE IN THE OPEN WATERS IN MAINLY S TO SW SWELL, AND 1-3  
FT IN THE GULF OF CALIFORNIA, EXCEPT TO 4 FT NEAR THE ENTRANCE.  
 
FOR THE FORECAST, MODERATE TO FRESH SE WINDS WILL PULSE IN THE  
GULF OF CALIFORNIA THIS WEEKEND. FRESH N WINDS WILL PULSE IN THE  
GULF OF TEHUANTEPEC AT TIMES. WINDS WILL BE MODERATE OR WEAKER  
ELSEWHERE THROUGH THE NEXT SEVERAL DAYS, EXCEPT INCREASING TO  
MODERATE TO FRESH OFF BAJA CALIFORNIA NORTE EARLY NEXT WEEK.  
MODERATE SEAS WILL PERSIST ACROSS THE OPEN WATERS, BUILDING  
SOMEWHAT OFF BAJA CALIFORNIA EARLY NEXT WEEK. LOOKING AHEAD, AN  
AREA OF LOW PRESSURE COULD FORM BY THE MIDDLE OF NEXT WEEK A FEW  
HUNDRED NAUTICAL MILES SOUTH OF THE COAST OF SOUTHERN MEXICO.  
SOME SLOW DEVELOPMENT IS POSSIBLE AFTER THAT TIME AS THE SYSTEM  
MOVES WEST- NORTHWESTWARD AT 10 TO 15 KT PARALLEL TO THE COAST  
OF MEXICO.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH WINDS ARE OVER AND DOWNSTREAM THE GULF OF  
PAPAGAYO. LIGHT TO GENTLE WINDS ARE ELSEWHERE NORTH OF THE  
MONSOON TROUGH. MODERATE TO LOCALLY FRESH SOUTHERLY WINDS ARE  
SOUTH OF THE MONSOON TROUGH. SEAS ARE IN THE 4-6 FT RANGE IN  
MAINLY S TO SW SWELL.  
 
FOR THE FORECAST, MODERATE TO FRESH WINDS WILL PULSE IN THE GULF  
OF PAPAGAYO THROUGH THE MIDDLE OF NEXT WEEK, LOCALLY STRONG SUN  
NIGHT THROUGH MON. ELSEWHERE, GENTLE TO MODERATE WINDS AND  
MODERATE SEAS WILL PERSIST THROUGH THE NEXT SEVERAL DAYS.  
   
..REMAINDER OF THE AREA
 
 
PLEASE SEE SPECIAL FEATURES FOR INFORMATION ON POST-TROPICAL  
CYCLONE BUD.  
 
MODERATE TO FRESH TRADES ARE NORTH OF THE ITCZ/MONSOON TROUGH TO  
17N AND WEST OF 130W, LOCALLY STRONG PER RECENT ASCAT  
SCATTEROMETER DATA. MODERATE TO FRESH SE TO S WINDS SOUTH OF THE  
ITCZ/MONSOON TROUGH AND WEST OF 120W. SEAS ARE IN THE 7-9 FT  
RANGE ACROSS THESE WATERS ABOVE, MAINLY IN MERGING NE AND SE  
SWELLS. ASIDE FROM THESE WINDS AND POST-TROPICAL BUD, GENTLE TO  
MODERATE WINDS PREVAIL ACROSS THE REMAINDER OF THE OPEN WATERS,  
WITH 4-7 FT SEAS, HIGHEST WEST OF 110W.  
 
FOR THE FORECAST, BUD WILL BECOME A REMNANT LOW AND MOVE TO  
19.1N 121.8W SAT MORNING, 18.9N 123.4W SAT AFTERNOON, 18.5N  
125.0W SUN MORNING, 17.8N 126.6W SUN AFTERNOON, AND DISSIPATE MON  
MORNING. SOUTH OF 20N AND WEST OF 120W, MODERATE TO FRESH WINDS  
COMBINED WITH LONG-PERIOD SOUTHERLY SWELL WILL SUPPORT SEAS OF  
7-9 FT THROUGH SAT EVENING. MARINE CONDITIONS MAY BECOME MORE  
TRANQUIL BY THE END OF THE WEEKEND INTO EARLY NEXT WEEK.  
 

 
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