992  
WTPZ34 KNHC 130233  
TCPEP4  
 
BULLETIN  
POTENTIAL TROPICAL CYCLONE FOUR-E ADVISORY NUMBER 2  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP042025  
900 PM CST THU JUN 12 2025  
   
..DISTURBANCE IS FORECAST TO BECOME A TROPICAL STORM ON FRIDAY
 
 
...TROPICAL STORM WATCH IN EFFECT FOR THE COAST OF SOUTHWESTERN  
MEXICO...  
 
 
SUMMARY OF 900 PM CST...0300 UTC...INFORMATION  
----------------------------------------------  
LOCATION...11.9N 100.6W  
ABOUT 405 MI...655 KM S OF ZIHUATANEJO MEXICO  
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H  
PRESENT MOVEMENT...NW OR 310 DEGREES AT 7 MPH...11 KM/H  
MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* TECPAN DE GALEANA TO MANZANILLO  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR  
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 900 PM CST (0300 UTC), THE DISTURBANCE WAS CENTERED NEAR LATITUDE  
11.9 NORTH, LONGITUDE 100.6 WEST. THE SYSTEM IS MOVING TOWARD THE  
NORTHWEST NEAR 7 MPH (11 KM/H), AND THIS GENERAL MOTION IS EXPECTED  
TO CONTINUE FOR THE NEXT COUPLE OF DAYS. A TURN TOWARD THE  
WEST-NORTHWEST IS FORECAST BY SUNDAY.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 35 MPH (55 KM/H) WITH HIGHER GUSTS.  
STRENGTHENING IS EXPECTED DURING THE NEXT COUPLE OF DAYS. THE SYSTEM  
IS FORECAST TO BECOME A TROPICAL STORM ON FRIDAY AND CONTINUE  
STRENGTHENING ON SATURDAY AS IT MOVES PARALLEL TO THE COAST OF  
SOUTHWESTERN MEXICO.  
* FORMATION CHANCE THROUGH 48 HOURS...HIGH...90 PERCENT.  
* FORMATION CHANCE THROUGH 7 DAYS...HIGH...90 PERCENT.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1006 MB (29.71 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR POTENTIAL TROPICAL CYCLONE FOUR-E CAN BE FOUND IN  
THE TROPICAL CYCLONE DISCUSSION UNDER AWIPS HEADER MIATCDEP4 AND WMO  
HEADER WTPZ44 KNHC.  
 
RAINFALL: RAINFALL TOTALS OF 2 TO 4 INCHES, WITH LOCALIZED AMOUNTS  
UP TO 6 INCHES, ARE POSSIBLE ACROSS PORTIONS OF THE MEXICAN STATES  
OF GUERRERO, MICHOACAN, AND COLIMA THROUGH THIS WEEKEND. THIS  
RAINFALL MAY LEAD TO AREAS OF FLOODING AND MUDSLIDES.  
 
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH  
POTENTIAL TROPICAL CYCLONE FOUR-E, PLEASE SEE THE NATIONAL WEATHER  
SERVICE STORM TOTAL RAINFALL GRAPHIC AVAILABLE AT  
HURRICANES.GOV/GRAPHICS_EP4.SHTML?RAINQPF  
 
WIND: TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA  
ON SATURDAY.  
 
SURF: SWELLS GENERATED BY POTENTIAL TROPICAL CYCLONE FOUR-E WILL  
AFFECT PORTIONS OF THE COAST OF SOUTHWESTERN MEXICO DURING THE NEXT  
FEW DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND  
RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL  
WEATHER OFFICE.  
 
 
NEXT ADVISORY  
-------------  
NEXT INTERMEDIATE ADVISORY AT 1200 AM CST.  
NEXT COMPLETE ADVISORY AT 300 AM CST.  
 

 
FORECASTER REINHART  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page