Irma Becomes a Cat 5 Hurricane
Hurricane Irma Tropical Cyclone Update
NWS National Hurricane Center Miami FL AL112017
745 AM AST Tue Sep 05 2017
…HURRICANE IRMA BECOMES A CATEGORY 5 ON THE SAFFIR-SIMPSON
HURRICANE WIND SCALE…
NOAA and Air Force hurricane hunter aircraft data indicate Hurricane
Irma has intensified into an extremely dangerous Category 5
hurricane on the Saffir-Simpson Hurricane Wind Scale with maximum
winds of 175 mph (280 km/h) with higher gusts. A special advisory
will be issued at 800 AM AST (1200 UTC) in lieu of the scheduled
intermediate advisory for Irma.
SUMMARY OF 745 AM AST…1145 UTC…INFORMATION
———————————————-
LOCATION…16.7N 57.7W
ABOUT 270 MI…440 KM E OF ANTIGUA
ABOUT 280 MI…445 KM ESE OF BARBUDA
MAXIMUM SUSTAINED WINDS…175 MPH…280 KM/H
PRESENT MOVEMENT…W OR 270 DEGREES AT 14 MPH…22 KM/H
MINIMUM CENTRAL PRESSURE…929 MB…27.44 INCHES
$$
Forecaster Brown/Landsea