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Hurricane Olaf Forecast Advisory Number 9

2021-09-09 22:44:13| National Hurricane Center (East Pacific)

Issued at 2100 UTC THU SEP 09 2021 000 WTPZ25 KNHC 092044 TCMEP5 HURRICANE OLAF FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP152021 2100 UTC THU SEP 09 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS UPGRADED THE TROPICAL STORM WARNING FROM NORTH OF SANTE FE TO CABO SAN LAZARO TO A HURRICANE WARNING. THE GOVERNMENT OF MEXICO HAS ALSO ISSUED A TROPICAL STORM WARNING FROM NORTH OF CABO SAN LAZARO TO PUERTO SAN ANDRESITO AND FROM SAN EVARISTO TO LORETO. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * BAJA CALIFORNIA SUR MEXICO FROM LOS BARRILES TO CABO SAN LAZARO. A TROPICAL STORM WARNING IS IN EFFECT FOR... * BAJA CALIFORNIA SUR MEXICO NORTH OF CABO SAN LAZARO TO PUERTO SAN ANDRESITO * BAJA CALIFORNIA SUR MEXICO NORTH OF LOS BARRILES TO LORETO A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE HURRICANE WARNING AREA...IN THIS CASE WITHIN THE NEXT 12 TO 24 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE TROPICAL STORM WARNING AREA WITHIN 36 HOURS. INTERESTS ELSEWHERE IN BAJA CALIFORNIA SUR SHOULD MONITOR THE PROGRESS OF OLAF. HURRICANE CENTER LOCATED NEAR 22.2N 108.9W AT 09/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 977 MB MAX SUSTAINED WINDS 80 KT WITH GUSTS TO 100 KT. 64 KT....... 30NE 30SE 0SW 30NW. 50 KT....... 40NE 40SE 30SW 40NW. 34 KT....... 90NE 90SE 50SW 60NW. 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 22.2N 108.9W AT 09/2100Z AT 09/1800Z CENTER WAS LOCATED NEAR 21.8N 108.6W FORECAST VALID 10/0600Z 23.1N 110.0W...INLAND MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 30NE 25SE 25SW 30NW. 50 KT... 40NE 40SE 40SW 40NW. 34 KT... 80NE 80SE 50SW 60NW. FORECAST VALID 10/1800Z 24.2N 111.5W...OVER WATER MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 25NE 0SE 0SW 25NW. 50 KT... 40NE 30SE 30SW 30NW. 34 KT... 60NE 50SE 40SW 50NW. FORECAST VALID 11/0600Z 24.6N 112.9W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 30NE 0SE 0SW 20NW. 34 KT... 50NE 40SE 30SW 40NW. FORECAST VALID 11/1800Z 24.5N 114.1W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 0NE 0SE 0SW 20NW. 34 KT... 40NE 30SE 0SW 40NW. FORECAST VALID 12/0600Z 23.9N 115.3W...POST-TROPICAL MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 0NE 0SE 0SW 30NW. FORECAST VALID 12/1800Z 23.2N 116.5W...POST-TROP/REMNT LOW MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 13/1800Z 22.0N 119.0W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 14/1800Z 21.5N 122.0W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.2N 108.9W INTERMEDIATE PUBLIC ADVISORY...WTNT35 KNHC/MIATCPEP5...AT 10/0000Z NEXT ADVISORY AT 10/0300Z $$ FORECASTER D. ZELINSKY

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Hurricane Larry Graphics

2021-09-09 20:00:30| National Hurricane Center (Atlantic)

5-Day Uncertainty Track last updated Thu, 09 Sep 2021 18:00:30 GMT Wind Speed Probabilities last updated Thu, 09 Sep 2021 15:22:55 GMT

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Summary for Hurricane Larry (AT2/AL122021)

2021-09-09 20:00:14| National Hurricane Center (Atlantic)

...LARRY PASSING BY BERMUDA... As of 2:00 PM AST Thu Sep 9 the center of Larry was located near 32.9, -62.0 with movement NNW at 17 mph. The minimum central pressure was 966 mb with maximum sustained winds of about 90 mph.

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Hurricane Larry Public Advisory Number 36A

2021-09-09 20:00:14| National Hurricane Center (Atlantic)

Issued at 200 PM AST Thu Sep 09 2021 000 WTNT32 KNHC 091800 TCPAT2 BULLETIN Hurricane Larry Intermediate Advisory Number 36A NWS National Hurricane Center Miami FL AL122021 200 PM AST Thu Sep 09 2021 ...LARRY PASSING BY BERMUDA... SUMMARY OF 200 PM AST...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...32.9N 62.0W ABOUT 170 MI...270 KM ENE OF BERMUDA MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...NNW OR 340 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Watch is in effect for... * Southeastern Newfoundland from St. Schotts to Pouch Cove A Tropical Storm Warning is in effect for... * Bermuda A Tropical Storm Watch is in effect for... * Southeastern Newfoundland from Lamaline to west of St. Schotts * Southeastern Newfoundland from north of Pouch Cove to Bonavista A Hurricane Watch means that hurricane conditions are possible within the watch area. A watch is typically issued 48 hours before the anticipated first occurrence of tropical-storm-force winds, conditions that make outside preparations difficult or dangerous. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, generally within 48 hours. Interests elsewhere in southeastern Newfoundland should monitor the progress of this system. For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 200 PM AST (1800 UTC), the center of Hurricane Larry was located near latitude 32.9 North, longitude 62.0 West. Larry is moving toward the north-northwest near 17 mph (28 km/h), and a turn toward the north with an increase in forward speed is forecast today, with a faster northeastward motion expected by Friday. On the forecast track, the center of Larry will pass east of Bermuda today, and move near or over southeastern Newfoundland Friday night or early Saturday morning. Maximum sustained winds are near 90 mph (150 km/h) with higher gusts. Gradual weakening is forecast during the next couple of days, but Larry is expected to remain a hurricane during that time. Larry should become an extratropical cyclone early Saturday, after passing by Newfoundland, then weaken further while it passes southeast of Greenland Sunday night. Larry is expected to be absorbed by a larger extratropical low east of Greenland by Monday. Larry is a large hurricane. Hurricane-force winds extend outward up to 90 miles (150 km) from the center and tropical-storm-force winds extend outward up to 220 miles (350 km). A wind gust to 41 mph (67 km/h) was recently reported at Flatts Village, Bermuda. The estimated minimum central pressure is 966 mb (28.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Larry can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2, WMO header WTNT42 KNHC and on the web at hurricanes.gov/graphics_at2.shtml?key_messages WIND: Tropical storm conditions are expected on Bermuda today. Hurricane conditions are possible within the hurricane watch area in southeastern Newfoundland Friday night, with tropical storm conditions possible by late Friday. Tropical storm conditions are possible in the tropical storm watch area in southeastern Newfoundland by late Friday. SURF: Swells generated by Larry will continue to affect the Leeward Islands, portions of the Greater Antilles, the Bahamas, and Bermuda through the end of the week. Significant swells from Larry will continue affecting the east coast of the United States and Atlantic Canada through the end of the week. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. RAINFALL: Outer rain bands from Hurricane Larry may periodically impact Bermuda today. Significant rainfall totals are currently not expected, however brief heavy rain from these bands may result in an inch or two of rain through Thursday. Heavy rains from Larry will move quickly across eastern Newfoundland Friday night, producing 1 to 2 inches of rain. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Pasch

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