000 WTNT61 KNHC 100800 TCUAT1 Hurricane Irma Tropical Cyclone Update NWS National Hurricane Center Miami FL AL112017 0400 AM EDT Sun Sep 10 2017 ...0400 AM EDT POSITION UPDATE... ...CATEGORY 4 IRMA BEARS DOWN ON LOWER KEYS... A National Ocean Service station on Molasses Reef, Florida recently recorded a sustained wind speed of 66 mph (105 km/h) with a gust to 85 mph (137 km/h). Key West International Airport just measured a sustained wind speed of 43 mph (69 km/h) with a gust to 73 mph (117 km/h). SUMMARY OF 0400 AM EDT...0800 UTC...INFORMATION ---------------------------------------------- LOCATION...23.9N 81.4W ABOUT 55 MI...90 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...928 MB...27.40 INCHES $$ Forecaster Beven/Sardi/Manougian