024  
AXPZ20 KNHC 022121  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC TUE SEP 2 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
2100 UTC.  
   
..SPECIAL FEATURES
 
 
HURRICANE STORM KIKO:  
HURRICANE KIKO IS CENTERED NEAR 13.9N 128.9W AT 02/2100 UTC,  
MOVING WEST AT 5 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS 980  
MB. MAXIMUM SUSTAINED WIND SPEED IS 85 KT WITH GUSTS TO 105 KT.  
SEAS ARE PEAKING NEAR 26 FT. NUMEROUS MODERATE TO STRONG  
CONVECTION IS NOTED FROM 12N TO 15N BETWEEN 128W AND 130W.  
SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS ELSEWHERE  
FROM 11N TO 16N BETWEEN 127W AND 132W. KIKO WILL MAINTAIN A  
GENERAL WESTWARD MOTION ACROSS THE EASTERN PACIFIC, WHILE  
GRADUALLY INTENSIFYING, AND MOVE INTO THE CENTRAL PACIFIC BASIN  
THIS WEEKEND. THE SYSTEM IS FORECAST TO PEAK IN INTENSITY NEAR  
100 KT WED THROUGH THU NIGHT, BEFORE STARTING TO WEAKEN FRI. THE  
SYSTEM IS FORECAST TO CROSS 140W AND INTO THE CENTRAL PACIFIC  
WATERS SAT.  
 
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  
KIKO NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT  
WWW.HURRICANES.GOV FOR MORE DETAILS.  
 
TROPICAL STORM LORENA:  
TROPICAL STORM LORENA IS CENTERED NEAR 19.4N 109.0W AT 02/2100  
UTC, MOVING NORTHWEST AT 13 KT. ESTIMATED MINIMUM CENTRAL  
PRESSURE IS 1002 MB. MAXIMUM SUSTAINED WIND SPEED IS 45 KT WITH  
GUSTS TO 55 KT. MAXIMUM SEAS ARE NEAR 14 FT. NUMEROUS MODERATE TO  
STRONG CONVECTION IS NOTED FROM 18N TO 21N BETWEEN 107W AND 110W.  
SCATTERED MODERATE TO STRONG CONVECTION IS ELSEWHERE FROM 12N TO  
24N BETWEEN 104W AND 114W. LORENA IS EXPECTED TO MOVE  
NORTHWESTWARD DURING THE NEXT COUPLE OF DAYS, AND THEN IS  
EXPECTED TO TURN NORTHWARD AND APPROACH BAJA CALIFORNIA SUR THU  
THROUGH FRI. HEAVY RAINFALL IS EXPECTED ACROSS THE OFFSHORE  
WATERS AND COASTAL ZONES OF SW AND WEST- CENTRAL MEXICO THROUGH  
MID-WEEK. LATER IN THE WEEK, HEAVY RAINFALL IS EXPECTED TO SHIFT  
ACROSS THE WATERS AND PENINSULA OF BAJA CALIFORNIA SUR. THIS  
HEAVY RAINFALL COULD LEAD TO FLASH FLOODING, ESPECIALLY IN  
MOUNTAINOUS AREAS.  
 
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  
LORENA NHC FORECAST/ADVISORY AND PUBLIC ADVISORY AT  
WWW.HURRICANES.GOV FOR MORE DETAILS.  
   
..TROPICAL WAVES
 
 
THE AXIS OF A TROPICAL WAVE IS NEAR 90W FROM 06N NORTHWARD,  
MOVING WEST 10 TO 15 KT. NEARBY CONVECTION IS DISCUSSED IN THE  
ITCZ/MONSOON TROUGH SECTION BELOW.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N92W TO 14N122W,  
THEN RESUMES FROM 12N131W TO BEYOND 10N140W. SCATTERED MODERATE  
AND ISOLATED STRONG CONVECTION IS NOTED N OF 05N E OF 86W, FROM  
06N TO 12N BETWEEN 92W AND 120W, AND FROM 06N TO 10N BETWEEN  
132W AND 140W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
PLEASE SEE SPECIAL FEATURES ABOVE FOR INFORMATION ON TROPICAL  
STORM LORENA OFF SW MEXICO.  
 
OUTSIDE OF LORENA, MODERATE TO FRESH S TO SE WINDS PREVAIL  
OFF CABO CORRIENTES WHERE SEAS ARE 6 TO 8 FT. ELSEWHERE, HIGH  
PRESSURE LOCATED NW OF THE AREA EXTENDS A RIDGE SOUTHEASTWARD TO  
OFFSHORE OF BAJA SUR, WITH A SURFACE TROUGH OVER THE GULF OF  
CALIFORNIA. THE ASSOCIATED PRESSURE GRADIENT IS PRODUCING  
MODERATE NW WINDS ACROSS THE BAJA WATERS NORTH OF PUNTA EUGENIA,  
AND GENTLE WINDS BETWEEN PUNTA EUGENIA AND THE REVILLAGIGEDO  
ISLANDS. SEAS ARE 4 TO 6 FT SEAS IN SOUTHERLY SWELL ACROSS THESE  
WATERS. LIGHT TO GENTLE WINDS PREVAIL ACROSS THE GULF OF  
CALIFORNIA, WITH SEAS IN THE 1-3 FT RANGE, REACHING 4 FT AT THE  
ENTRANCE OF THE GULF. LIGHT WINDS PREVAIL ELSEWHERE OVER THE OPEN  
WATERS OFF MEXICO.  
 
FOR THE FORECAST, TROPICAL STORM LORENA WILL MOVE TO 20.6N  
110.4W WED MORNING, STRENGTHEN TO A HURRICANE NEAR 21.8N 112.0W  
WED AFTERNOON, 22.9N 113.1W THU MORNING, 24.1N 113.8W THU  
AFTERNOON, WEAKEN TO A TROPICAL STORM NEAR 25.1N 113.8W FRI  
MORNING, AND 26.2N 113.3W FRI AFTERNOON. LORENA WILL CHANGE  
LITTLE IN INTENSITY AS IT MOVES TO NEAR 28.4N 111.8W SAT  
AFTERNOON. ELSEWHERE, HIGH PRESSURE WILL REMAIN CENTERED NW OF  
THE AREA THROUGH MID- WEEK, WITH AN ASSOCIATED RIDGE ACROSS THE  
BAJA CALIFORNIA WATERS. THE PRESSURE GRADIENT BETWEEN THIS AREA  
OF HIGH PRESSURE AND A TROUGH OVER THE GULF OF CALIFORNIA WILL  
SUPPORT MODERATE NW TO N WINDS ACROSS THE BAJA WATERS THROUGH WED  
BEFORE DIMINISHING. FRESH TO STRONG SOUTHERLY WINDS ARE EXPECTED  
TO DEVELOP INSIDE THE SOUTHERN GULF OF CALIFORNIA THU AS LORENA  
APPROACHES THE BAJA PACIFIC COAST.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH E GAP WINDS EXTEND FROM THE PAPAGAYO REGION  
OFFSHORE TO 9W, WHERE SEAS ARE 5-7 FT. LIGHT TO GENTLE WINDS  
PREVAIL ELSEWHERE N OF THE MONSOON TROUGH. SOUTH OF THE MONSOON  
TROUGH, GENTLE TO MODERATE SW TO W WINDS PREVAIL. SW SWELL  
CONTINUES TO DOMINATE THE WATERS OF CENTRAL AND SOUTH AMERICA,  
WITH SEAS IN THE 5 TO 6 FT RANGE.  
 
FOR THE FORECAST, SW SWELL OFFSHORE OF ECUADOR AND COLOMBIA WILL  
INCREASE MODESTLY WED AND THU. MODERATE GAP WINDS ACROSS THE  
PAPAGAYO REGION WILL PULSE TO FRESH SPEEDS AT NIGHT THROUGH THE  
MIDDLE OF THE WEEK. LIGHT TO GENTLE WINDS WILL PREVAIL ELSEWHERE  
NORTH OF THE MONSOON TROUGH. MODERATE TO FRESH S TO SW WINDS ARE  
EXPECTED SOUTH OF THE MONSOON TROUGH THROUGH THE WEEK.  
   
..REMAINDER OF THE AREA
 
 
PLEASE REFER TO THE SPECIAL FEATURES SECTION FOR INFORMATION ON  
HURRICANE KIKO.  
 
ASIDE FROM KIKO, HIGH PRESSURE PREVAILS OVER THE WATERS N OF  
20N. OUTSIDE THE WINDS OF KIKO, GENTLE TO MODERATE WINDS PREVAIL  
ACROSS THE WATERS N OF 10N. MODERATE TO FRESH WINDS ARE FOUND  
SOUTH OF 10N. SEAS ACROSS THE FORECAST WATERS ARE IN THE 4-6 FT  
RANGE, EXCEPT 6 TO 8 FT IN MIXED SE AND SW SWELL S OF 14N  
BETWEEN 100W AND 130W.  
 
FOR THE FORECAST, HURRICANE KIKO WILL MOVE TO 13.8N 129.8W WED  
MORNING, 13.8N 131.0W WED AFTERNOON, 13.9N 132.2W THU MORNING,  
14.1N 133.6W THU AFTERNOON, 14.2N 135.2W FRI MORNING, AND 14.5N  
136.5W FRI AFTERNOON. KIKO WILL CHANGE LITTLE IN INTENSITY AS IT  
MOVES TO NEAR 15.5N 139.5W SAT AFTERNOON. ELSEWHERE, HIGH  
PRESSURE WILL REMAIN NORTH OF THE AREA THROUGH MID-WEEK, WITH  
MODERATE TRADE WINDS EXPECTED OVER THE DISCUSSION WATERS. S TO SW  
SWELL OVER THE WATERS SOUTH OF 10N WILL SUPPORT ROUGH SEAS SOUTH  
OF 10N BETWEEN 100W AND 120W.  
 

 
AL  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page