net aan cat 3,
000 WTNT44 KNHC 271449 TCDAT4 Hurricane Lee Discussion Number 38 NWS National Hurricane Center Miami FL AL142017 1100 AM AST Wed Sep 27 2017 After an eyewall replacement overnight, satellite images indicate that a larger clear eye has formed, with the coldest cloud-top temperatures seen to date observed with the cyclone. While subjective Dvorak estimates have been fluctuating between 90-102 kt, the latest objective estimate is 102 kt, and a 1050 UTC AMSU estimate from CIMSS is 104 kt. A blend of these data gives an initial wind speed of 100 kt, making Lee the 5th major hurricane of the 2017 Atlantic season. A gradual decrease in water temperatures should start a weakening trend within 12-24 hours, with a faster weakening forecast on Thursday and Friday as Lee enters a high-shear environment. Guidance is in good agreement on this scenario, and the latest forecast is very close to the previous one.
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Maximum sustained winds have increased to near 115 mph (185 km/h) with higher gusts. Lee is a category 3 hurricane on the Saffir-Simpson Hurricane Wind Scale. Slow weakening is forecast during the next 48 hours. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km). The estimated minimum central pressure is 963 mb (28.44 inches). HAZARDS AFFECTING LAND ---------------------- None. NEXT ADVISORY ------------- Next complete advisory at 500 PM AST. $$ Forecaster Blake NNNN
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Bericht laatst bijgewerkt: 27-09-2017 20:27