Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

On Monday, August 21st, 2017, all of of North America experienced a solar eclipse of the sun. The path of the total solar eclipse was from the Plateau to much of southeast Tennessee to southwest North Carolina. The maximum solar eclipse occurred between 233 and 236 pm ET. Due to the moon’s blockage of the suns solar radiation, temperatures (red line) dropped as much as 10 degrees between 2 and 3 pm Monday afternoon. However, the temperature drop varied greatly across east Tennessee, southwest Virginia, and southwest North Carolina. The dewpoint temperature (green line), which is measure of moisture in the air, generally increased during the eclipse. The graphs below show the different temperature and dewpoint observation traces across southwest Virginia, east Tennessee, and southwest North Carolina.