National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Overview

Late on September 26, Hurricane Helene made landfall in the Big Bend region of Florida. With a forward speed of over 20 mph, it quickly progressed into Georgia and then over the Southern Appalachians on September 27 before gradually dissipating to the northwest by September 29. The storm brought record-breaking rainfall to portions of the area, which was worsened by antecedent rainfall on September 26. Historic flooding and devastation occurred along portions of the far eastern Tennessee mountains with even more widespread impacts to our east. In addition to the rainfall, the storm brought winds of 40 to 60 mph, which led to extensive and long-lasting power outages. This event summary page reviews the meteorological aspects of this devastating event, including radar/wind data and rainfall records that were broken. Additionally, the Tennessee State Climate Office at East Tennessee State University has published a StoryMap of the event that can be found at this link: https://bit.ly/tnhelene24.

 

nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.
nws logo