West Virginia, 1999

Flash Flooding and Damaging Wind in West Virginia, August 20, 1999

August 20, 1999 · NWS RNK · 4 events in 2 counties and zones

Thunderstorm winds downed trees in Lilly Grove,Heavy thunderstorm rain caused a rock slide at the intersection of routes 10 and 19, a half mile north northwest of Kegley, flooded Dry Creek onto Route 219 near Lindside, and flooded Rich Creek onto roads in Peterstown.

Where it happened

Every event with a place to put it; 3 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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 RNK wrote it up.

Thunderstorms during the early morning of the 20th produced damaging winds and flash flooding.Thunderstorm winds downed trees in Lilly Grove,Heavy thunderstorm rain caused a rock slide at the intersection of routes 10 and 19, a half mile north northwest of Kegley, flooded Dry Creek onto Route 219 near Lindside, and flooded Rich Creek onto roads in Peterstown.

The radar

The Roanoke radar (KFCX), 82 km away, was scanning. The volume nearest the first event began at 04:58 UTC.

Open the radar archive at this moment

Event by event

3 flash flood, 1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Mercer

When
August 20, 12:00 AM EST
Where
Mercer County, Lilly Grove
Reported by
UNKNOWN
Coordinates
37.380, -81.080

Flash Flood, Mercer

When
August 20, 12:00 AM EST to 12:10 AM EST
Where
Mercer County, 1 mi NNW of Kegley
Reported by
UNKNOWN
Coordinates
37.406, -81.111 (the zone’s center; the record gives no point)

Flash Flood, Monroe

When
August 20, 12:30 AM EST to 1:00 AM EST
Where
Monroe County, Lindside
Reported by
UNKNOWN
Coordinates
37.560, -80.551 (the zone’s center; the record gives no point)

Flash Flood, Monroe

When
August 20, 12:38 AM EST to 1:30 AM EST
Where
Monroe County, Peterstown
Reported by
UNKNOWN
Coordinates
37.560, -80.551 (the zone’s center; the record gives no point)

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
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

More

Every storm in West Virginia in 1999Every state in 1999This day in weather historyWarnings in West Virginia, August 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 2026-09-24. Each event’s entry at NCEI: 5713735, 5713736, 5713737, 5713738.