000  
AXPZ20 KNHC 041602  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1605 UTC FRI JUL 4 2025  
 
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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
1530 UTC.  
   
..SPECIAL FEATURES  
 
 
SOUTH OF SOUTHERN MEXICO:  
A LARGE AREA OF DISORGANIZED SHOWERS AND THUNDERSTORMS, PARTLY  
ASSOCIATED WITH A TROPICAL WAVE, IS CENTERED A FEW HUNDRED MILES  
SOUTH OF SOUTHERN MEXICO. GRADUAL DEVELOPMENT OF THIS SYSTEM IS  
EXPECTED DURING THE NEXT FEW DAYS, AND A TROPICAL DEPRESSION IS  
LIKELY TO FORM LATER THIS WEEKEND OR EARLY NEXT WEEK WHILE IT  
MOVES GENERALLY WEST-NORTHWESTWARD WELL OFF THE COAST OF MEXICO.  
THERE IS A MEDIUM CHANCE OF TROPICAL FORMATION WITHIN THE NEXT  
TWO DAYS, AND A HIGH CHANCE WITHIN THE NEXT SEVEN DAYS. PLEASE  
REFER TO THE LATEST NHC TROPICAL WEATHER OUTLOOK AT  
WWWW.HURRICANES.GOV FOR MORE DETAILS.  
   
..TROPICAL WAVES  
 
A TROPICAL WAVE HAS BEEN ANALYZED ALONG 85W, FROM THE GULF OF  
HONDURAS IN THE CARIBBEAN SEA SOUTHWARD TO 05N IN THE EASTERN  
PACIFIC. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
OCCURRING FROM 03N TO 10N BETWEEN 78W AND 92W.  
 
A TROPICAL WAVE IS LOCATED ALONG 101.5W, FROM 09N TO 17N. AN  
AREA OF LOW PRESSURE, CENTERED NEAR 13N101.5W, IS NOTED WHERE THE  
WAVE AXIS INTERSECTS THE MONSOON TROUGH. PLEASE SEE SPECIAL  
FEATURES ABOVE FOR MORE ON THIS FEATURE. SCATTERED MODERATE  
CONVECTION IS OCCURRING FROM 12N TO 17N BETWEEN 100W AND 107W.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 13N105W TO 08N124W. THE  
ITCZ CONTINUES FROM 08N124W TO 07N140W. WIDELY SCATTERED MODERATE  
CONVECTION IS OCCURRING FROM 09N TO 12N BETWEEN 110W AND 118W,  
AND FROM 07N TO 09N WEST OF 133W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
PLEASE SEE THE SPECIAL FEATURES SECTION FOR INFORMATION ON  
POTENTIAL TROPICAL DEVELOPMENT OFF THE COAST OF SOUTHERN MEXICO  
THIS WEEKEND OR EARLY NEXT WEEK.  
 
THE REMNANT LOW OF FLOSSIE IS MOVING THROUGH THE BAJA CALIFORNIA  
SUR WATERS, CENTERED AROUND 300 NM WEST OF CABO SAN LUCAS. FRESH  
TO STRONG WINDS AND ROUGH SEAS OF 8 TO 10 FT CONTINUE WITH THIS  
SYSTEM, WITH LOCALIZED NEAR-GALE FORCE WINDS NOTED NORTH OF THE  
CENTER. ELSEWHERE, TROUGHING HAS BEEN ANALYZED ALONG THE BAJA  
CALIFORNIA PENINSULA, AND HIGH PRESSURE PREVAILS OVER CENTRAL  
THROUGH NORTHWESTERN MEXICO. THE PRESSURE GRADIENT BETWEEN THESE  
FEATURES IS SUPPORTING FRESH TO STRONG S TO SE WINDS IN THE  
NORTHERN GULF OF CALIFORNIA. OTHERWISE, INCREASING FRESH WINDS  
AND ROUGH SEAS OF 8 TO 9 FT ARE DEVELOPING OFF THE COAST OF  
SOUTHERN MEXICO, NEAR THE TROPICAL WAVE AND ASSOCIATED LOW  
PRESSURE SYSTEM.  
 
FOR THE FORECAST, THE REMNANT LOW OF FLOSSIE WILL MOVE  
NORTHWESTWARD THROUGH THE BAJA CALIFORNIA WATERS TODAY, PRODUCING  
FRESH TO STRONG WINDS AND ROUGH SEAS SOUTH OF PUNTA EUGENIA  
THROUGH TONIGHT, BEFORE WINDS AND SEAS DIMINISH EARLY ON SAT. IN  
THE GULF OF CALIFORNIA, FRESH TO STRONG S TO SE WINDS ARE  
EXPECTED TODAY WITH WINDS SUBSIDING TONIGHT. ELSEWHERE, FRESH TO  
OCCASIONALLY STRONG WINDS AND ROUGH SEAS WILL OCCUR OFF THE COAST  
OF SOUTHERN MEXICO THIS WEEKEND AS A TROPICAL WAVE, AND  
ASSOCIATED LOW PRESSURE, MOVES GENERALLY WEST-NORTHWESTWARD WELL  
OFF THE COAST OF MEXICO. GRADUAL DEVELOPMENT OF THIS SYSTEM IS  
EXPECTED DURING THE NEXT FEW DAYS, AND A TROPICAL DEPRESSION IS  
LIKELY TO FORM LATER THIS WEEKEND OR EARLY NEXT WEEK. THERE IS A  
MEDIUM CHANCE OF TROPICAL FORMATION WITHIN THE NEXT TWO DAYS, AND  
A HIGH CHANCE WITHIN THE NEXT SEVEN DAYS.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH E WINDS ARE OCCURRING IN THE GULF OF PAPAGAYO,  
SUPPORTED BY LOW PRESSURE OVER NORTHERN COLOMBIA AND ENHANCED BY  
A TROPICAL WAVE MOVING WESTWARD THROUGH CENTRAL AMERICA. GENTLE  
TO LOCALLY MODERATE WINDS PREVAIL ELSEWHERE NORTH OF THE MONSOON  
TROUGH. TO THE SOUTH, MODERATE TO LOCALLY FRESH S TO SW WINDS  
ARE NOTED. SEAS OF 5 TO 7 FT IN S TO SW SWELL PREVAIL OVER THE  
WATERS OFFSHORE OF CENTRAL AND SOUTH AMERICA.  
 
FOR THE FORECAST, MODERATE TO OCCASIONALLY FRESH E WINDS WILL  
PULSE IN THE GULF OF PAPAGAYO THIS WEEKEND AS LOW PRESSURE  
PREVAILS OVER THE SOUTH-CENTRAL CARIBBEAN. WINDS WILL STRENGTHEN  
EARLY NEXT WEEK AS THE PRESSURE GRADIENT INCREASES BETWEEN THE  
AFOREMENTIONED LOW AND BUILDING HIGH PRESSURE OVER CENTRAL  
MEXICO. OTHERWISE, SOUTH OF THE MONSOON TROUGH, MODERATE TO  
OCCASIONALLY FRESH S TO SW WINDS ARE EXPECTED. MODERATE SEAS IN  
S TO SW SWELL WILL PREVAIL OVER THE REGIONAL WATERS.  
   
..REMAINDER OF THE AREA  
 
RIDGING EXTENDS OVER THE EASTERN PACIFIC WATERS NORTH OF THE  
MONSOON TROUGH AND ITCZ, ANCHORED BY A 1023 MB HIGH CENTERED  
NORTH OF THE AREA NEAR 33N139W. MODERATE NE WINDS ARE NOTED IN  
THIS REGION. RESIDUAL ROUGH SEAS IN MIXED N AND E SWELL, IN PART  
INDUCED BY SWELLS FROM THE REMNANT LOW OF FLOSSIE, ARE NOTED OVER  
THE NORTH-CENTRAL WATERS NORTH OF 25N BETWEEN 120W AND 130W.  
ELSEWHERE, SOUTH OF THE MONSOON TROUGH AND ITCZ, A SOUTHERN  
HEMISPHERE SWELL IS LEADING TO ROUGH SEAS SOUTH OF THE EQUATOR.  
MODERATE TO LOCALLY FRESH SE WINDS PREVAIL IN THIS AREA.  
 
FOR THE FORECAST, MODERATE TO OCCASIONALLY FRESH NE WINDS ARE  
EXPECTED NORTH OF THE MONSOON TROUGH AND ITCZ TONIGHT INTO EARLY  
NEXT WEEK AS HIGH PRESSURE BUILDS TO THE NORTH. ROUGH SEAS IN THE  
NORTH-CENTRAL WATERS, NORTH OF 25N BETWEEN 120W AND 130W, WILL  
SUBSIDE BY TONIGHT. SOUTH OF THE MONSOON TROUGH, ROUGH SEAS IN S  
TO SW SWELL WILL SLOWLY SUBSIDE BY SAT MORNING. LOOKING AHEAD,  
FRESH TO OCCASIONALLY STRONG WINDS AND ROUGH SEAS WILL OCCUR OFF  
THE COAST OF SOUTHERN MEXICO THIS WEEKEND AS A TROPICAL WAVE, AND  
ASSOCIATED LOW PRESSURE, MOVES GENERALLY WEST-NORTHWESTWARD WELL  
OFF THE COAST OF MEXICO. GRADUAL DEVELOPMENT OF THIS SYSTEM IS  
EXPECTED DURING THE NEXT FEW DAYS, AND A TROPICAL DEPRESSION IS  
LIKELY TO FORM LATER THIS WEEKEND OR EARLY NEXT WEEK. THERE IS A  
MEDIUM CHANCE OF TROPICAL FORMATION WITHIN THE NEXT TWO DAYS, AND  
A HIGH CHANCE WITHIN THE NEXT SEVEN DAYS.  
 
 
ADAMS  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TPC Page
Main Text Page