From the ABC12 First Alert HD Weather Center... The National Weather Service has issued a Severe T-Storm Warning effective until 8:45 PM for the counties of Arenac, Gladwin and Ogemaw From the ABC12 First Alert HD Weather Center... The National Weather Service has issued a Severe T-Storm Warning effective until 8:45 PM for the counties of Arenac, Gladwin and Ogemaw RADAR INDICATED. HISTORY OF STRONG WINDS WITH THIS STORM WITH THE ROSCOMMON COUNTY AIRPORT MEASURING A 58 MPH WIND GUST.