000 WTPZ34 KNHC 302034 TCPEP4 BULLETIN Post-Tropical Cyclone Iselle Advisory Number 18 NWS National Hurricane Center Miami FL EP142020 300 PM MDT Sun Aug 30 2020 ...ISELLE BECOMES A REMNANT LOW, THIS THE LAST ADVISORY... SUMMARY OF 300 PM MDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...23.7N 113.3W ABOUT 225 MI...360 KM WNW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. DISCUSSION AND OUTLOOK ---------------------- At 300 PM MDT (2100 UTC), the center of Post-Tropical Cyclone Iselle was located near latitude 23.7 North, longitude 113.3 West. The post-tropical cyclone is moving toward the north near 8 mph (13 km/h), and this motion is expected today, followed by a motion toward the north-northwest on Monday. Maximum sustained winds have decreased to near 30 mph (45 km/h) with higher gusts. Iselle should gradually lose strength during the next day or so before decaying into a surface trough on Tuesday. The estimated minimum central pressure is 1007 mb (29.74 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 and west-central coast of Mexico, as well as the west coast of Baja California Sur. These swells are expected to continue for the next day or so and will likely cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- This is the last public advisory issued by the National Hurricane Center on this system. For additional information on the remnant low please see High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at ocean.weather.gov/shtml/NFDHSFEPI.php $$ Forecaster Blake