Flash Flood, Anderson
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Anderson County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.118, -84.198 (the zone’s center; the record gives no point)
Flash Flooding in Tennessee, July 11 to 12, 1999
Widespread showers and thunderstorms with heavy rain caused flooding problems throughout much of East Tennessee. In Cocke County, flooding occurred along Knoxville Highway west of Newport and in the fairgrounds.
Where it happened
Every event with a place to put it; 25 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 25
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
What happened
The episode as NWS MRX wrote it up.
Widespread showers and thunderstorms with heavy rain caused flooding problems throughout much of East Tennessee. In Cocke County, flooding occurred along Knoxville Highway west of Newport and in the fairgrounds. In Blount County, numerous streets and roads were closed. The Abrams Creek Campground in the Cades Cove area of the Great Smoky Mountains National Park was evacuated as a precautionary measure Sunday. The campground was reopened Monday. The bottom two apartments of Atchley Apartments in Maryville had 6 inches of water in them early Monday morning. In Knox County, many cars were stranded in flooded underpasses. In Bledsoe County, the Jack Branch Road bridge along Highway 30 on the Van Buren County line was washed out. Numerous incidents of minor flooding were reported around the remainder of the region. Water began to recede across the region by late afternoon/early evening Monday.
The radar
The Knoxville radar (KMRX), 72 km away, was scanning. The volume nearest the first event began at 15:59 UTC.
Event by event
25 flash flood. Local standard time, as filed.
Flash Flood, Bledsoe
- When
- July 11, 10:00 AM CST to July 12, 2:00 PM CST
- Where
- Bledsoe County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.596, -85.205 (the zone’s center; the record gives no point)
Flash Flood, Blount
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Blount County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.687, -83.925 (the zone’s center; the record gives no point)
Flash Flood, Campbell
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Campbell County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.404, -84.149 (the zone’s center; the record gives no point)
Flash Flood, Carter
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Carter County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.293, -82.127 (the zone’s center; the record gives no point)
Flash Flood, Claiborne
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Claiborne County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.486, -83.660 (the zone’s center; the record gives no point)
Flash Flood, Cocke
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Cocke County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.925, -83.121 (the zone’s center; the record gives no point)
Flash Flood, Grainger
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Grainger County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.276, -83.510 (the zone’s center; the record gives no point)
Flash Flood, Greene
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Greene County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.175, -82.846 (the zone’s center; the record gives no point)
Flash Flood, Hamblen
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Hamblen County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.217, -83.267 (the zone’s center; the record gives no point)
Flash Flood, Hancock
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Hancock County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.524, -83.222 (the zone’s center; the record gives no point)
Flash Flood, Hawkins
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Hawkins County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.441, -82.945 (the zone’s center; the record gives no point)
Flash Flood, Jefferson
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Jefferson County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.051, -83.446 (the zone’s center; the record gives no point)
Flash Flood, Johnson
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Johnson County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.455, -81.852 (the zone’s center; the record gives no point)
Flash Flood, Knox
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Knox County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.993, -83.937 (the zone’s center; the record gives no point)
Flash Flood, Loudon
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Loudon County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.735, -84.312 (the zone’s center; the record gives no point)
Flash Flood, McMinn
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- McMinn County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.425, -84.617 (the zone’s center; the record gives no point)
Flash Flood, Meigs
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Meigs County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.513, -84.813 (the zone’s center; the record gives no point)
Flash Flood, Monroe
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Monroe County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.443, -84.253 (the zone’s center; the record gives no point)
Flash Flood, Rhea
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Rhea County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.609, -84.924 (the zone’s center; the record gives no point)
Flash Flood, Roane
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Roane County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.848, -84.523 (the zone’s center; the record gives no point)
Flash Flood, Sevier
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Sevier County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 35.785, -83.524 (the zone’s center; the record gives no point)
Flash Flood, Sullivan
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Sullivan County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.513, -82.304 (the zone’s center; the record gives no point)
Flash Flood, Union
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Union County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.288, -83.837 (the zone’s center; the record gives no point)
Flash Flood, Washington
- When
- July 11, 11:00 AM EST to July 12, 3:00 PM EST
- Where
- Washington County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 36.293, -82.497 (the zone’s center; the record gives no point)
What these are
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flash Flood and Flood in California, July 11, 1999
- Flash Flooding in California, July 11, 1999
- Flash Flood in California, July 11, 1999
- Damaging Wind in Alabama, July 11, 1999
- Flash Flooding and Hail in Georgia, July 11, 1999
- Flash Flooding in Texas, July 11, 1999
- Flash Flood and Flooding in California, July 11, 1999
- Flash Flooding in Texas, July 11, 1999
- Flash Flood in Texas, July 11, 1999
- Flood in California, July 11, 1999
- Flood in Tennessee, July 11, 1999
- Flash Flood in Arizona, July 11, 1999
More
Every storm in Tennessee in 1999Every state in 1999This day in weather historyWarnings in Tennessee, July 1999
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 5702601, 5702602, 5702603, 5702604, 5702605, 5702606, 5702607, 5702608, 5702609, 5702610, 5702611, 5702612, 5702613, 5702614, 5702615, 5702616, 5702617, 5702618, 5702619, 5702620, 5702621, 5702622, 5702623, 5702624, 5702625.