11PM EDT: Hurricane #Idalia continues to strengthen. Maximum winds are near 110 mph with MSLP down to 958 millibars.
NHC is now explicitly calling for Idalia to be a category 4 hurricane at landfall. Landfall Wednesday morning in Big Bend region. pic.twitter.com/AnX9w8Bia6
— Spinks Megginson (@rzweather) August 30, 2023