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Guillermo weakening in the face of strong shear

The latest aircraft data as well as satellite observations indicate that Guillermo is beginning to weaken. At 11:00 PM the center of tropical storm Guillermo was located about 315 miles ENE of Hilo. Guillermo is moving toward the west-northwest near 8 mph. This motion is expected to continue over the next couple of days with a slight increase in forward …

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Tropical Storm Guillermo continues tracking North

Tropical Storm Guillermo is moving steadily toward the northeast, east of the Big Island. It’s centered about 395 miles east of Hilo and 580 miles east-southeast of Honolulu. A Tropical Storm Watch continues for Hawaii and Maui Counties, including the islands of Maui, Molokai, Lanai and Kahoolawe. This means tropical storm conditions are possible within the watch area, in this …

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Flash Flood Watch issued ahead of Guillermo

The National Weather Service has issued a Flash Flood Watch For The Big Island and Maui today through Thursday. Moisture from Tropical Storm Guillermo will move over the Big Island and Maui today through Thursday bringing the possibility of heavy rain and flash flooding. Flash floods can cause excessive runoff that may result in rock and mudslides in steep terrain …

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Guillermo maintains strength and continues moving north of the Hawaiian islands

At 5:00 AM the center of Tropical Storm Guillermo was located 430 miles east of Hilo. Guillermo is moving toward the northwest near 12 mph and this general motion is expected to continue today with a shift toward the west-northwest expected tonight through Thursday morning. On the forecast track the center of Guillermo is expected to pass 215 miles northeast …

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Tropical storm watch issued for Maui County as Guillermo nears

A tropical storm watch has been issued for Hawaii County and Maui County. A tropical storm watch means that tropical storm conditions are possible within the watch area generally within 48 hours. The center of Guillermo is expected to pass approximately 140 miles northeast of the Big Island on Wednesday. Maximum sustained winds are near 65 mph with higher gusts. …

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Guillermo weakens to Tropical Storm

NOAA’s Central Pacific Hurricane Center in Honolulu has downgraded Guillermo to a tropical storm. At 5:00 AM the center of tropical storm Guillermo was located 630 miles ESE of Hilo. Guillermo is moving toward the west-northwest near 10 mph and this general motion is expected to continue through Tuesday night with maximum sustained winds near 70 mph with higher gusts. …

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Guillermo expected to weaken to a tropical storm on Monday

At 11:00 PM the center of Hurricane Guillermo was located 680 miles ESE of Hilo. Guillermo is moving toward the west-northwest near 10 mph and this motion is expected to continue over the next couple of days with a slight shift toward the west. Maximum sustained winds are near 75 mph with higher gusts. Steady weakening is expected during the …

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‪‎Guillermo downgraded‬ to a Cat 1 and continues towards the islands

Wind Shear is disrupting the storm’s overall structure as of 11am downgrading Guillermo to a Category 1 Hurricane. The storms center is approximately 900 miles ESE of Kahului and is moving toward the west-northwest near 10 mph. A turn toward the northwest is expected today with a continued motion toward the northwest expected on Monday. “It’s important for everyone to …

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Hurricane Guillermo likely to maintain hurricane strength into Monday

At 11pm Hurricane Guillermo is moving toward the west-northwest near 14 mph and is expected to continue moving toward the west-northwest through Monday with some slight decrease in forward motion expected Sunday or Sunday night. Maximum sustained winds are still near 105 mph with higher gusts. Some slow weakening is expected into early next week but Guillermo is forecast to …

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Hurricane Guillermo prompts high surf advisory

The National Weather Service has ISSUED a HIGH SURF ADVISORY for East Facing shores, in effect from noon Sunday until 6:00 p.m. Tuesday. An east swell, associated with Hurricane Guillermo, will arrive Sunday afternoon at the Big Island and then build and spread westward Sunday night. Surf will build Sunday and Sunday night, then peak on Monday and Tuesday. Expect …

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