HURRICANE IRMA 2017
HIGHEST WINDS 185 MPH CATEGORY 5
NHC 24 HOUR WINDSPEED FORECAST OFF BY AVERAGE OF 14.9 MPH
NHC 48 HOUR WINDSPEED FORECAST OFF BY AVERAGE OF 21.0 MPH
NHC 72 HOUR WINDSPEED FORECAST OFF BY AVERAGE OF 22.4 MPH