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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. $$ Forecaster Roberts
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Tropical Storm Iselle Forecast Advisory Number 9
2020-08-28 16:46:01| National Hurricane Center (East Pacific)
Issued at 1500 UTC FRI AUG 28 2020 000 WTPZ24 KNHC 281445 TCMEP4 TROPICAL STORM ISELLE FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP142020 1500 UTC FRI AUG 28 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 18.3N 115.3W AT 28/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTHEAST OR 35 DEGREES AT 4 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 0NE 20SE 20SW 0NW. 34 KT....... 50NE 60SE 60SW 40NW. 12 FT SEAS.. 90NE 90SE 60SW 30NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 18.3N 115.3W AT 28/1500Z AT 28/1200Z CENTER WAS LOCATED NEAR 18.0N 115.4W FORECAST VALID 29/0000Z 19.2N 114.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 0NE 20SE 20SW 0NW. 34 KT... 50NE 60SE 60SW 40NW. FORECAST VALID 29/1200Z 20.6N 114.6W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 40NE 50SE 50SW 30NW. FORECAST VALID 30/0000Z 22.2N 114.9W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 30NE 40SE 40SW 30NW. FORECAST VALID 30/1200Z 23.5N 115.7W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 31/0000Z 24.1N 116.6W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 30 KT. FORECAST VALID 31/1200Z 24.4N 117.3W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 150 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 01/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.3N 115.3W NEXT ADVISORY AT 28/2100Z $$ 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. $$ Forecaster Beven
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Tropical Depression Hernan Forecast Advisory Number 10
2020-08-28 16:41:38| National Hurricane Center (East Pacific)
Issued at 1500 UTC FRI AUG 28 2020 000 WTPZ23 KNHC 281441 TCMEP3 TROPICAL DEPRESSION HERNAN FORECAST/ADVISORY NUMBER 10 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132020 1500 UTC FRI AUG 28 2020 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS ALONG THE SOUTHEASTERN COAST OF THE BAJA CALIFORNIA PENINSULA SHOULD MONITOR THE PROGRESS OF HERNAN. TROPICAL DEPRESSION CENTER LOCATED NEAR 23.4N 109.1W AT 28/1500Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 295 DEGREES AT 18 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. 12 FT SEAS.. 60NE 120SE 90SW 60NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 23.4N 109.1W AT 28/1500Z AT 28/1200Z CENTER WAS LOCATED NEAR 23.1N 108.6W FORECAST VALID 29/0000Z 24.1N 110.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 29/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 23.4N 109.1W NEXT ADVISORY AT 28/2100Z $$ FORECASTER BEVEN
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