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Tropical Storm Iselle Public Advisory Number 10
2020-08-28 22:32:07| National Hurricane Center (East Pacific)
Issued at 200 PM PDT Fri Aug 28 2020 000 WTPZ34 KNHC 282032 TCPEP4 BULLETIN Tropical Storm Iselle Advisory Number 10 NWS National Hurricane Center Miami FL EP142020 200 PM PDT Fri Aug 28 2020 ...ISELLE PRODUCING TROPICAL-STORM-FORCE WINDS OVER CLARION ISLAND... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.8N 115.2W ABOUT 445 MI...715 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...NNE OR 20 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 200 PM PDT (2100 UTC), the center of Tropical Storm Iselle was located near latitude 18.8 North, longitude 115.2 West. Iselle is moving toward the north-northeast near 7 mph (11 km/h) and this general motion is expected to continue through tonight. A northward turn is expected by Saturday morning followed by a north-northwestward motion on Sunday morning. Afterward, Post-Tropical/Remnant Low Iselle is forecast to turn northwestward in the low-level flow. Maximum sustained winds have decreased to near 50 mph (85 km/h) with higher gusts. Further weakening is forecast and Iselle should become a tropical depression Saturday night, degenerate to a remnant low on Sunday and dissipate early next week. An observing site at Clarion Island, MX recently reported a sustained wind of 40 mph (65 km/hr) and a gust of 48 mph (80 km/hr). Tropical-storm-force winds extend outward up to 70 miles (110 km) from the center. The estimated minimum central pressure is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- SURF: Swells generated by Iselle and a large area of southwesterly winds to its south are affecting portions of the southwestern coast of Mexico. These swells are expected to spread northward along the coast of west-central Mexico and the southern Baja California peninsula through Sunday, and will likely cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 800 PM PDT. $$ Forecaster Roberts
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