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| #982887 (Received by flhurricane at: 7:59 PM 18.Sep.2019) TCPAT4 BULLETIN Hurricane Humberto Intermediate Advisory Number 25A NWS National Hurricane Center Miami FL AL092019 800 PM AST Wed Sep 18 2019 ...HURRICANE CONDITIONS CONTINUING ON BERMUDA... ...HURRICANE-FORCE WINDS EXPECTED TO PERSIST ACROSS BERMUDA INTO EARLY THURSDAY MORNING... SUMMARY OF 800 PM AST...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...33.4N 65.0W ABOUT 75 MI...120 KM N OF BERMUDA MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H PRESENT MOVEMENT...ENE OR 60 DEGREES AT 20 MPH...31 KM/H MINIMUM CENTRAL PRESSURE...952 MB...28.12 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Hurricane Warning is in effect for... * Bermuda For storm information specific to your area, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM AST (0000 UTC), the center of the large eye of Hurricane Humberto was located by satellite and Bermuda weather radar data near latitude 33.4 North, longitude 65.0 West. Humberto is moving toward the east-northeast near 20 mph (31 km/h). This general motion with an additional increase in forward speed is expected through early Thursday, followed by a northeastward to north-northeastward motion through Friday. On the forecast track, the core of Humberto will continue to pass north of Bermuda this evening. Maximum sustained winds are near 120 mph (195 km/h) with higher gusts. Humberto is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Some fluctuations in intensity are likely during the next day or so, but Humberto should remain a powerful hurricane through early Thursday while it passes close to Bermuda. A steady weakening trend should begin later on Thursday. Humberto is a large hurricane. Hurricane-force winds extend outward up to 80 miles (130 km) from the center and tropical-storm-force winds extend outward up to 195 miles (315 km). An automated station at Pearl Island recently reported sustained winds of 100 mph (161 km/h) and a wind gust of 123 mph (198 km/h). Wade International Airport recently reported a wind gust of 115 mph (185 km/h). The estimated minimum central pressure is 952 mb (28.12 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Humberto can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC. WIND: Hurricane conditions are occurring on Bermuda and should continue for a few more hours. Tropical-storm-force winds will persist on Bermuda into late Thursday morning. RAINFALL: Humberto may bring periods of heavy rain to Bermuda through Thursday, with rainfall accumulations of 2 to 4 inches with maximum amounts of 6 inches expected. Rainfall amounts up to 3 inches have already been reported across portions of the island. SURF: Large swells generated by Humberto will increase along the coast of Bermuda today and tonight. Dangerous breaking waves, especially along south-facing beaches, will be possible Wednesday night into Thursday, and could cause coastal flooding. Wave heights exceeding 30 feet have already been reported by an offshore NOAA buoy. Swells will continue to affect the northwestern Bahamas and the southeastern coast of the United States from east-central Florida to North Carolina during the next couple of days. These swells could cause life-threatening surf and rip current conditions. Please consult products from your local weather office and the Bermuda Weather Service. STORM SURGE: Storm surge and breaking waves could raise water levels by 1 to 3 feet above normal tide levels along the immediate southern coast of Bermuda. NEXT ADVISORY ------------- Next complete advisory at 1100 PM AST. $$ Forecaster Beven |
