801  
AXPZ20 KNHC 142204  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC MON SEP 14 2026  
 
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  
2150 UTC.  
   
..SPECIAL FEATURES
 
 
TROPICAL STORM NORBERT IS CENTERED NEAR 19.7N 139.2W AT 14/2100  
UTC, MOVING WEST AT 13 KT. ESTIMATED MINIMUM CENTRAL PRESSURE IS  
1005 MB. MAXIMUM SUSTAINED WIND SPEED IS 35 KT WITH GUSTS TO 45  
KT. PEAK SEAS ARE UP TO 15 FT. NORBERT IS A SHEARED STORM, WITH  
NUMEROUS MODERATE CONVECTION NOTED FROM 18N TO 23N BETWEEN 134W  
AND 139W. NORBERT IS MOVING TOWARD THE WEST NEAR 15 KT AND IS  
EXPECTED TO MAINTAIN THIS GENERAL MOTION DURING THE NEXT COUPLE  
OF DAYS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS,  
AND NORBERT IS EXPECTED TO BECOME A POST-TROPICAL REMNANT LOW  
TOMORROW.  
 
TROPICAL DEPRESSION FIFTEEN-E IS CENTERED NEAR 16.9N 120.5W AT  
14/2100 UTC, MOVING WEST AT 8 KT. ESTIMATED MINIMUM CENTRAL  
PRESSURE IS 1006 MB. MAXIMUM SUSTAINED WIND SPEED IS 30 KT WITH  
GUSTS TO 40 KT. PEAK SEAS ARE 12 FT. NUMEROUS MODERATE TO  
ISOLATED STRONG CONVECTION IS NOTED FROM 13N TO 19N BETWEEN 114W  
AND 121W, WITH SCATTERED MODERATE CONVECTION ELSEWHERE FROM 09N  
TO 14N BETWEEN 111W AND 127W. THE DEPRESSION IS MOVING TOWARD  
THE WEST NEAR 9 KT AND THIS GENERALLY WESTWARD MOTION SHOULD  
CONTINUE FOR THE NEXT SEVERAL DAYS WITH SOME INCREASE IN FORWARD  
SPEED. SOME SLIGHT STRENGTHENING IS FORECAST DURING THE NEXT 24  
HOURS, AND THE DEPRESSION COULD BECOME A TROPICAL STORM LATER  
TODAY. THE SYSTEM IS EXPECTED TO WEAKEN BEGINNING TUESDAY NIGHT  
OR WEDNESDAY.  
 
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  
NORBERT AND FIFTEEN-E NHC FORECAST/ADVISORIES AND PUBLIC  
ADVISORIES AT WWW.HURRICANES.GOV FOR MORE DETAILS.  
   
..TROPICAL WAVES
 
 
A TROPICAL WAVE IS ALONG 102W FROM 04N TO 13N, MOVING WEST AT 15  
KT. NUMEROUS MODERATE ISOLATED STRONG CONVECTION IS FROM 04N TO  
15N BETWEEN 91W AND 108W.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 09N97W TO 06N122W TO  
12N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
ACTIVE FROM 04N TO 15N E OF 93W, AND FROM 00N TO 07N BETWEEN  
106W AND 136W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
SCATTERED SHOWERS AND TSTMS ARE ACROSS THE SW MEXICAN OFFSHORES  
BETWEEN CHIAPAS AND GUERRERO AS WELL AS THE SOUTHERN HALF OF THE  
GULF OF CALIFORNIA. MODERTE TO FRESH N TO NE WINDS ARE IN THE  
TEHUANTEPEC REGION, WHILE MODERATE EASTERLIES ARE ELSEWHERE FROM  
CHIAPAS TO GUERRERO. MODERATE TO FRESH SE WINDS ARE IN THE  
NORTHERN HALF OF THE GULF OF CALIFORNIA WHILE NW WINDS OF THE  
SAME SPEED ARE N OF PUNTA EUGENIA. SEAS ARE 4 TO 6 FT, EXCEPT 7  
TO 8 FT N OF PUNTA EUGENIA, AND 1 TO 3 FT SEAS IN THE GULF OF  
CALIFORNIA.  
 
FOR THE FORECAST, A RIDGE WILL BUILD ACROSS THE OFFSHORE WATERS  
OF BAJA CALIFORNIA, BRINGING MODERATE TO LOCALLY FRESH NW TO N  
WINDS THROUGH THE MIDWEEK. EXPECT FRESH WINDS ACROSS THE  
NORTHERN GULF OF CALIFORNIA THROUGH THE EARLY PART OF THE WEEK  
DUE TO THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER PRESSURE  
OVER THE COLORADO RIVER VALLEY. WINDS WILL FRESHEN AGAIN OFF  
BAJA CALIFORNIA BY THE END OF THE WEEK, LOCALLY STRONG NEAR PUNTA  
EUGENIA. LOOKING AHEAD, EXPECT STRONG TO NEAR-GALE N GAP WINDS  
AND ROUGH SEAS ACROSS THE TEHUANTEPEC BY THE MIDDLE OF THE WEEK.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
HIGH PRESSURE NORTH OF THE AREA IS PROMOTING FRESH TO STRONG  
EASTERLY TRADE WINDS WITH MODERATE SEAS ACROSS THE GULF OF  
PAPAGAYO REGION, EXTENDING DOWNSTREAM TO NEAR 90W. MODERATE TO  
FRESH WINDS FROM THIS GAP WIND EXTENDS TO THE OUTER OFFSHORE  
WATERS OF EL SALVADOR AND GUATEMALA. ELSEWHERE, MODERATE OR  
WEAKER WINDS AND MODERATE SEAS ARE PREVALENT. CONVECTION  
CONTINUES TO DEVELOP ON EITHER SIDE OF THE MONSOON TROUGH. GUSTY  
WINDS AND HIGHER SEAS ARE LIKELY OCCURRING NEAR THUNDERSTORMS.  
 
FOR THE FORECAST, THE RIDGE NORTH OF THE AREA WILL CONTINUE TO  
SUPPORT PULSING FRESH TO STRONG EASTERLY WINDS AND MODERATE TO  
ROUGH SEAS ACROSS THE PAPAGAYO REGION THROUGH EARLY THU, THEN  
PULSING TO MODERATE TO FRESH THEREAFTER. MODERATE TO LOCALLY  
FRESH N WINDS MAY PULSE IN THE GULF OF PANAMA AT NIGHT INTO EARLY  
THU. WINDS WILL BE MODERATE OR WEAKER ELSEWHERE ALONG WITH  
MODERATE SEAS, EXCEPT LOCALLY ROUGH SOUTHWEST OF THE GALAPAGOS  
ISLANDS THROUGH MON, AND SLIGHT OFFSHORE COLOMBIA AND EASTERN  
PANAMA.  
   
..REMAINDER OF THE AREA
 
 
PLEASE SEE THE SPECIAL FEATURES SECTION FOR MORE INFORMATION  
ABOUT TROPICAL STORM NORBERT AND TROPICAL DEPRESSION FIFTEEN-E.  
 
AWAY FROM THE IMPACTS OF T.S. NORBERT AND T.D. FIFTEEN-E, MAINLY  
MODERATE TO FRESH WINDS COVER THE WATERS NORTH OF 15N AND WEST  
OF 115W. MODERATE TO FRESH SE-S WINDS AND ROUGH SEAS ARE FOUND  
SOUTH OF 02N TO THE W OF THE GALAPAGOS TO 114W. WINDS ARE  
MODERATE OR WEAKER ELSEWHERE WITH MODERATE SEAS.  
 
FOR THE FORECAST, NORBERT WILL WEAKEN TO A TROPICAL DEPRESSION  
NEAR 20.0N 141.3W TUE MORNING, BECOME A REMNANT LOW AND MOVE TO  
20.2N 143.9W TUE AFTERNOON, 20.4N 146.6W WED MORNING, AND  
DISSIPATE WED AFTERNOON.  
 
MEANWHILE, FIFTEEN-E WILL STRENGTHEN TO A TROPICAL STORM NEAR 16.7N  
121.8W TUE MORNING, MOVE TO 16.6N 123.7W TUE AFTERNOON, 16.4N  
125.4W WED MORNING, 16.4N 127.3W WED AFTERNOON, 16.6N 129.7W THU  
MORNING, AND WEAKEN TO A REMNANT LOW NEAR 16.9N 132.1W THU  
AFTERNOON. FIFTEEN-E WILL CHANGE LITTLE IN INTENSITY AS IT MOVES  
NEAR 17.5N 136.4W FRI AFTERNOON.  
 
ELSEWHERE, A CROSS EQUATORIAL SWELL WILL PERSIST OVER THE NEXT  
SEVERAL DAYS PRODUCING SEAS TO 9 FT SOUTH OF 05N. A TIGHT  
PRESSURE GRADIENT WILL RESULT IN LOCALLY FRESH N WINDS AND ROUGH  
SEAS IN THE NORTH OF 22N AND EAST OF 125W THROUGH MIDWEEK.  
 

 
RAMOS  
 
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