219
WTPZ35 KNHC 140537
TCPEP5
BULLETIN
HURRICANE SIMON INTERMEDIATE ADVISORY NUMBER 27A
NWS NATIONAL HURRICANE CENTER MIAMI FL EP202026
1100 PM MST TUE OCT 13 2026
..SMALL SIMON DRIFTING SOUTHWESTWARD
...INTERESTS IN WEST-CENTRAL MEXICO AND BAJA CALIFORNIA SUR SHOULD
CONTINUE TO MONITOR THE HURRICANE...
SUMMARY OF 1100 PM MST...0600 UTC...INFORMATION
-----------------------------------------------
LOCATION...20.0N 107.7W
ABOUT 135 MI...215 KM WSW OF CABO CORRIENTES MEXICO
ABOUT 135 MI...215 KM SW OF LAS ISLAS MARIAS MEXICO
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H
PRESENT MOVEMENT...SW OR 230 DEGREES AT 2 MPH...4 KM/H
MINIMUM CENTRAL PRESSURE...965 MB...28.50 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
NONE
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A HURRICANE WATCH IS IN EFFECT FOR...
* LAS ISLAS MARIAS
A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE
WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.
INTERESTS IN WEST-CENTRAL MEXICO AND IN BAJA CALIFORNIA SUR SHOULD
CONTINUE TO MONITOR SIMON. ADDITIONAL WATCHES OR WARNINGS MAY BE
REQUIRED OVER THE NEXT DAY OR TWO.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND OUTLOOK
----------------------
AT 1100 PM MST (0600 UTC), THE EYE OF HURRICANE SIMON WAS LOCATED
NEAR LATITUDE 20.0 NORTH, LONGITUDE 107.7 WEST. SIMON IS MOVING
TOWARD THE SOUTHWEST NEAR 2 MPH (4 KM/H). THE HURRICANE IS FORECAST
TO MOVE SLOWLY AND ERRATICALLY DURING THE NEXT COUPLE OF DAYS. AN
EVENTUAL TURN TOWARD THE NORTH OR NORTH-NORTHWEST IS FORECAST TO
OCCUR LATE THIS WEEK.
MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH (175 KM/H) WITH HIGHER
GUSTS. SOME ADDITIONAL STRENGTHENING IS POSSIBLE OVERNIGHT, AND
SIMON COULD BECOME A MAJOR HURRICANE AGAIN. GRADUAL WEAKENING IS
FORECAST BEGINNING ON WEDNESDAY.
SIMON IS A VERY SMALL HURRICANE. HURRICANE-FORCE WINDS EXTEND
OUTWARD UP TO 10 MILES (20 KM) FROM THE CENTER, AND
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 35 MILES (55 KM).
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB (28.50 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
AND ON THE WEB AT HURRICANES.GOV/GRAPHICS_EP5.SHTML?KEY_MESSAGES.
WIND: HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE HURRICANE WATCH
AREA FOR LAS ISLAS MARIAS ON THURSDAY.
RAINFALL: THROUGH FRIDAY, SIMON IS EXPECTED TO PRODUCE RAINFALL
TOTALS OF 1 TO 2 INCHES WITH ISOLATED MAXIMUM AMOUNTS OF 3 INCHES
OVER PORTIONS OF THE STATES OF BAJA CALIFORNIA SUR, NAYARIT, AND
SINALOA.
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.
SURF: SWELLS GENERATED BY SIMON WILL CONTINUE TO AFFECT PORTIONS OF
THE COAST OF WEST-CENTRAL MEXICO AND BAJA CALIFORNIA SUR 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 COMPLETE ADVISORY AT 200 AM MST.
FORECASTER REINHART
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