9545Eastern North Pacific Post-Tropical Cyclone Priscilla Discussion Number 25
WTPZ41 KNHC 102033 TCDEP1
Post-Tropical Cyclone Priscilla Discussion Number 25 NWS National Hurricane Center Miami FL EP162025 200 PM PDT Fri Oct 10 2025
Priscilla has lacked organized deep convection for much of the day, and visible satellite images and ASCAT data show that the low-level circulation is gradually losing definition. Since deep convection is not expected to return, Priscilla is now designated a remnant low and this is the last NHC advisory. The initial intensity is lowered to 30 kt based on the ASCAT data.
The system is moving northward at 5 kt, and that motion should continue until the system dissipates by early Saturday.
Even though Priscilla is no longer a tropical cyclone, its remnant moisture is expected to continue to spread across portions of the western United States. Heavy rainfall and flash flooding are likely to continue over parts of central Arizona and southwest Utah, with scattered areas of flash flooding possible across the remainder of Arizona, southern Utah, southwestern Colorado, and far northwestern New Mexico. Please monitor forecasts and updates from local National Weather Service offices in the southwest U.S. at weather.gov and from the Weather Prediction Center at wpc.ncep.noaa.gov.
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