Issued at 200 AM PDT Fri Oct 10 2025
000 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 ---------------------------------------------- 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 ------------- Next complete advisory at 800 AM PDT. $$ Forecaster Jelsema (CPHC)
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