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Severe Thunderstorm Warning for Anderson, TN; Blount, TN; Knox, TN +2 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
Severe
Official urgency
Immediate
Official certainty
Observed

What is happening

At 515 PM EDT, a severe thunderstorm was located 7 miles south of Clinton, moving east at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Knoxville, Oak Ridge, Maryville, Sevierville, Clinton, Alcoa,...

What the bulletin says to do

Prepare immediately for large hail and damaging winds. People outside should move to a shelter, inside a strong building and away from windows. Continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Read official NWS bulletin

Full official description

Bulletin details

At 515 PM EDT, a severe thunderstorm was located 7 miles south of Clinton, moving east at 15 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Knoxville, Oak Ridge, Maryville, Sevierville, Clinton, Alcoa, Farragut, Oliver Springs, Louisville, and Rockford. This includes the following highways... Interstate 40 in Tennessee between mile markers 369 and 409. Interstate 75 in Tennessee between mile markers 108 and 115.

Lifecycle record

Official revisions

2 captured
  1. Update

    Severe Thunderstorm Warning issued August 17 at 5:16PM EDT until August 17 at 5:30PM EDT by NWS Morristown TN

    Official revision
  2. Alert

    Severe Thunderstorm Warning issued August 17 at 4:33PM EDT until August 17 at 5:30PM EDT by NWS Morristown TN

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Morristown TN. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections