286  
WTPZ35 KNHC 082032  
TCPEP5  
 
BULLETIN  
TROPICAL STORM SIMON ADVISORY NUMBER 6  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP202026  
300 PM CST THU OCT 08 2026  
   
..SIMON ALMOST A HURRICANE  
 
...HURRICANE WARNING ISSUED FOR SOUTHWESTERN AND WEST-CENTRAL  
MEXICO...  
 
 
SUMMARY OF 300 PM CST...2100 UTC...INFORMATION  
----------------------------------------------  
LOCATION...15.7N 103.9W  
ABOUT 230 MI...370 KM S OF MANZANILLO MEXICO  
ABOUT 345 MI...555 KM SSE OF CABO CORRIENTES MEXICO  
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H  
PRESENT MOVEMENT...W OR 280 DEGREES AT 6 MPH...9 KM/H  
MINIMUM CENTRAL PRESSURE...992 MB...29.30 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WARNING FROM PUNTA  
SAN TELMO TO PLAYA PERULA AND A TROPICAL STORM WATCH FROM LAZARO  
CARDENAS TO PUNTA SAN TELMO.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A HURRICANE WARNING IS IN EFFECT FOR...  
* PUNTA SAN TELMO TO PLAYA PERULA  
 
A HURRICANE WATCH IS IN EFFECT FOR...  
* WEST OF PLAYA PERULA TO PUNTA MITA  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* EAST OF PUNTA SAN TELMO TO LAZARO CARDENAS  
 
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED  
SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED  
36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF  
TROPICAL-STORM-FORCE WINDS, CONDITIONS THAT MAKE OUTSIDE  
PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE  
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.  
 
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE  
WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS  
BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE  
WINDS, CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR  
DANGEROUS.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
ADDITIONAL WATCHES OR WARNINGS COULD BE REQUIRED FOR PORTIONS OF THE  
COAST OF SOUTHWESTERN AND WEST-CENTRAL MEXICO TONIGHT OR FRIDAY.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR PRODUCTS  
ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.  
 
 
DISCUSSION AND OUTLOOK  
----------------------  
AT 300 PM CST (2100 UTC), THE CENTER OF TROPICAL STORM SIMON WAS  
LOCATED NEAR LATITUDE 15.7 NORTH, LONGITUDE 103.9 WEST. SIMON IS  
MOVING TOWARD THE WEST NEAR 6 MPH (9 KM/H). A TURN TO THE NORTHWEST  
IS EXPECTED BY EARLY FRIDAY, FOLLOWED BY A NORTHWARD MOTION FRIDAY  
NIGHT. ON THE FORECAST TRACK, THE CORE OF SIMON IS EXPECTED TO  
APPROACH THE COAST OF SOUTHWESTERN AND WEST-CENTRAL MEXICO ON  
SATURDAY.  
 
MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH (110 KM/H)  
WITH HIGHER GUSTS. RAPID STRENGTHENING IS FORECAST, AND SIMON IS  
EXPECTED TO BECOME A HURRICANE TONIGHT AND A VERY DANGEROUS CATEGORY  
4 HURRICANE BEFORE IT REACHES THE COAST OF MEXICO.  
 
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 70 MILES (110 KM)  
FROM THE CENTER.  
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB (29.30 INCHES).  
 
 
HAZARDS AFFECTING LAND  
----------------------  
KEY MESSAGES FOR SIMON CAN BE FOUND IN THE TROPICAL CYCLONE  
DISCUSSION UNDER AWIPS HEADER MIATCDEP5 AND WMO HEADER WTPZ45 KNHC.  
 
WIND: HURRICANE CONDITIONS ARE EXPECTED IN THE WARNING AREA  
SATURDAY AFTERNOON OR EVENING, WITH TROPICAL STORM CONDITIONS  
EXPECTED SATURDAY MORNING. HURRICANE CONDITIONS ARE POSSIBLE WITHIN  
THE HURRICANE WATCH AREA BY SATURDAY NIGHT, WITH TROPICAL STORM  
CONDITIONS BEGINNING ON SATURDAY. TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE TROPICAL STORM WATCH AREA BEGINNING FRIDAY.  
 
RAINFALL: SIMON IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 8 TO 15  
INCHES OVER PORTIONS OF SOUTHWESTERN MEXICO, WITH ISOLATED MAXIMUM  
TOTALS BETWEEN 15 AND 25 INCHES POSSIBLE ACROSS PORTIONS OF  
MICHOACAN, COLIMA AND JALISCO THROUGH SUNDAY. THIS RAINFALL MAY  
PRODUCE LIFE-THREATENING FLOODING AND MUDSLIDES, ESPECIALLY IN AREAS  
OF STEEP TERRAIN.  
 
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL ASSOCIATED WITH SIMON,  
PLEASE SEE THE NATIONAL WEATHER SERVICE STORM TOTAL RAINFALL GRAPHIC  
AVAILABLE AT HURRICANES.GOV/GRAPHICS_EP5.SHTML?RAINQPF.  
 
STORM SURGE: A DANGEROUS STORM SURGE IS POSSIBLE ALONG THE  
IMMEDIATE COAST NEAR AND TO THE EAST OF WHERE THE CENTER MAKES  
LANDFALL. NEAR THE COAST, THE SURGE WILL BE ACCOMPANIED BY LARGE AND  
DESTRUCTIVE WAVES.  
 
SURF: SWELLS GENERATED BY SIMON WILL AFFECT PORTIONS OF THE COAST  
OF SOUTHWESTERN AND WEST-CENTRAL 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 600 PM CST.  
NEXT COMPLETE ADVISORY AT 900 PM CST.  
 
 
FORECASTER CANGIALOSI  
 
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