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Tropical Storm Iselle Public Advisory Number 9
2020-08-28 16:46:31| National Hurricane Center (East Pacific)
Issued at 800 AM PDT Fri Aug 28 2020 000 WTPZ34 KNHC 281446 TCPEP4 BULLETIN Tropical Storm Iselle Advisory Number 9 NWS National Hurricane Center Miami FL EP142020 800 AM PDT Fri Aug 28 2020 ...COMPACT ISELLE MOVING SLOWLY NORTHEASTWARD... ...STILL EXPECTED TO BEGIN WEAKENING LATER TONIGHT... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...18.3N 115.3W ABOUT 470 MI...760 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 800 AM PDT (1500 UTC), the center of Tropical Storm Iselle was located near latitude 18.3 North, longitude 115.3 West. Iselle is moving toward the northeast near 5 mph (7 km/h) and this general motion is expected to continue through tonight. A northward turn is expected by Saturday morning followed by a northwestward motion on Sunday evening. Afterward, Post-Tropical/Remnant Low Iselle is forecast to turn west-northwestward in the low-level easterly flow. Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Some fluctuations in strength are possible today, but a gradual weakening trend should commence later tonight. An observing site at Clarion Island, MX recently reported a sustained wind of 39 mph (65 km/hr) and a gust of 47 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 997 mb (29.44 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 200 PM PDT. $$ Forecaster Roberts
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