797
WTPZ31 KNHC 100837
TCPEP1
BULLETIN
TROPICAL STORM PRISCILLA ADVISORY NUMBER 23
NWS NATIONAL HURRICANE CENTER MIAMI FL EP162025
200 AM PDT FRI OCT 10 2025
..PRISCILLA STILL A TROPICAL STORM
...SIGNIFICANT RISK OF FLASH FLOODING ACROSS THE SOUTHWEST UNITED
STATES THROUGH THE WEEKEND...
SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
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LOCATION...25.5N 115.2W
ABOUT 190 MI...300 KM WNW OF CABO SAN LAZARO MEXICO
MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...994 MB...29.36 INCHES
WATCHES AND WARNINGS
--------------------
THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.
DISCUSSION AND OUTLOOK
----------------------
AT 200 AM PDT (0900 UTC), THE CENTER OF TROPICAL STORM PRISCILLA WAS
LOCATED NEAR LATITUDE 25.5 NORTH, LONGITUDE 115.2 WEST. PRISCILLA IS
MOVING TOWARD THE NORTH NEAR 6 MPH (9 KM/H). THIS GENERAL MOTION
WILL CONTINUE TODAY, WITH A TURN TOWARD THE NORTHEAST EXPECTED
TONIGHT. ON THE FORECAST TRACK, THE CENTER OF PRISCILLA IS EXPECTED
TO REMAIN OFFSHORE OF THE COAST OF BAJA CALIFORNIA SUR, AND
DISSIPATE BY SATURDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH (85 KM/H) WITH HIGHER GUSTS.
WEAKENING IS FORECAST, WITH PRISCILLA EXPECTED TO BECOME A
POST-TROPICAL REMNANT LOW LATER TODAY AND DISSIPATE BY SATURDAY.
TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 90 MILES (150 KM)
FROM THE CENTER.
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB (29.36 INCHES).
HAZARDS AFFECTING LAND
----------------------
RAINFALL: AS PRISCILLA MOVES OFFSHORE OF THE WEST COAST OF BAJA
CALIFORNIA, UP TO AN INCH OF RAIN IS EXPECTED ACROSS THE BAJA
CALIFORNIA PENINSULA. FOR THE SOUTHWESTERN UNITED STATES, 2 TO 4
INCHES OF RAIN, WITH LOCAL STORM TOTAL MAXIMA TO 6 INCHES, ARE
EXPECTED ACROSS PORTIONS OF CENTRAL AND NORTHERN ARIZONA, SOUTHERN
UTAH, AND SOUTHWEST COLORADO THROUGH SATURDAY. FLASH FLOODING IS
LIKELY IN PORTIONS OF CENTRAL ARIZONA AND SOUTHWEST UTAH, WITH
SCATTERED AREAS OF FLASH FLOODING EXPECTED ACROSS THE REMAINDER OF
ARIZONA, SOUTHERN UTAH, SOUTHWEST COLORADO, AND FAR NORTHWEST NEW
MEXICO.
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL AND FLASH FLOODING
ASSOCIATED WITH PRISCILLA, PLEASE SEE THE NATIONAL WEATHER SERVICE
STORM TOTAL RAINFALL GRAPHIC, AVAILABLE AT
HURRICANES.GOV/GRAPHICS_EP1.SHTML?RAINQPF
SURF: LARGE SWELLS GENERATED BY PRISCILLA ARE AFFECTING THE PACIFIC
COAST OF BAJA CALIFORNIA SUR. THESE SWELLS ARE LIKELY TO CAUSE
LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS, IN ADDITION TO
SOME COASTAL FLOODING. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL
WEATHER OFFICE.
NEXT ADVISORY
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NEXT COMPLETE ADVISORY AT 800 AM PDT.
FORECASTER JELSEMA (CPHC)
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