NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Tweet: Observed rainfall in kast 72 hours, ending 11am, Monday Sept 11 by NWS Eastern Region on Twitter Original Tweet: #Irma now a Tropical Storm moving into southern Georgia. Max winds 65 mph moving to the north-northwest at 17 mph. Go to Site Related Events Hurricane Irma 2017