Officially back up to Category 4.
BULLETIN
Hurricane Irma Intermediate Advisory Number 44A
NWS National Hurricane Center Miami FL AL112017
200 AM EDT Sun Sep 10 2017
...IRMA NOW A CATEGORY 4 HURRICANE AS IT GETS CLOSER TO THE LOWER
FLORIDA KEYS...
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
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LOCATION...23.7N 81.3W
ABOUT 40 MI...65 KM N OF VARADERO CUBA
ABOUT 70 MI...115 KM SSE OF KEY WEST FLORIDA
MAXIMUM SUSTAINED WINDS...130 MPH...210 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 6 MPH...9 KM/H
MINIMUM CENTRAL PRESSURE...931 MB...27.49 INCHES