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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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Tropical Depression Laura Public Advisory Number 35
2020-08-28 17:07:37| National Hurricane Center (Atlantic)
The NHC has issued its final advisory on this system. Public Advisories from the Weather Prediction Center will provide updates as long as the system remains a flood threat. Issued at 1000 AM CDT Fri Aug 28 2020
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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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Tropical Depression Hernan Public Advisory Number 10
2020-08-28 16:41:39| National Hurricane Center (East Pacific)
Issued at 900 AM MDT Fri Aug 28 2020 000 WTPZ33 KNHC 281441 TCPEP3 BULLETIN Tropical Depression Hernan Advisory Number 10 NWS National Hurricane Center Miami FL EP132020 900 AM MDT Fri Aug 28 2020 ...HERNAN WEAKENS TO A TROPICAL DEPRESSION... ...EXPECTED TO DISSIPATE DURING THE NEXT 24 HOURS... SUMMARY OF 900 AM MDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...23.4N 109.1W ABOUT 60 MI...100 KM NE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- There are no coastal watches or warnings in effect. Interests along the southeastern coast of the Baja California peninsula should monitor the progress of Hernan. DISCUSSION AND OUTLOOK ---------------------- At 900 AM MDT (1500 UTC), the center of Tropical Depression Hernan was located near latitude 23.4 North, longitude 109.1 West. The depression is moving toward the west-northwest near 21 mph (33 km/h) and this motion is expected to continue through tonight. On the forecast track, Hernan is forecast to move over the southern portion of the Baja California peninsula this afternoon or tonight. Maximum sustained winds have decreased to near 35 mph (55 km/h) with higher gusts. Additional weakening is forecast, and Hernan is expected to degenerate to a remnant low pressure area tonight. The remnants are expected to dissipate on Saturday. The estimated minimum central pressure is 1006 mb (29.71 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 300 PM MDT. $$ Forecaster Beven
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Tropical Depression Laura Public Advisory Number 34
2020-08-28 10:47:28| National Hurricane Center (Atlantic)
The NHC has issued its final advisory on this system. Public Advisories from the Weather Prediction Center will provide updates as long as the system remains a flood threat. Issued at 400 AM CDT Fri Aug 28 2020
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