West Virginia, 1999

Flash Flooding and Heavy Rain in West Virginia, September 5, 1999

September 5, 1999 · NWS LWX · 4 events in 4 counties and zones

The remnants of Hurricane Dennis moved across the Eastern Panhandle from the afternoon of the 4th through early on the 6th. Heavy rain fell across Hampshire, Hardy, Grant, and Pendleton Counties.

Where it happened

Every event with a place to put it; 4 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

Open the live radar over this ground

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 LWX wrote it up.

The remnants of Hurricane Dennis moved across the Eastern Panhandle from the afternoon of the 4th through early on the 6th. Heavy rain fell across Hampshire, Hardy, Grant, and Pendleton Counties. The heaviest downpours occurred between 3:00 AM and 9:00 AM EDT on the 5th, when portions of Grant and Pendleton Counties received up to 5 inches. Storm total rainfall across Pendleton County included 7.32 inches at Sugar Grove, 5.52 inches at Shenandoah Mountain, 5.04 inches at Cow Knob, 4.60 inches at Franklin, and 3.79 inches at Spruce Knob. In Grant County, 5.63 inches fell at Red Creek, 4.53 inches fell at Mt. Storm, 3.60 inches fell at Pigeon Roost, 3.40 inches fell at Cave Mountain, 3.01 inches fell at Bayard, and 2.67 inches fell at Knobly. In Hardy County, rainfall totals included 3.67 inches at Wardensville, 3.03 inches at Mathias, 2.68 inches at Moorefield, 2.36 inches at South Branch Mountain, and 2.32 inches at Bald Knob. Romney in Hampshire County reported a total of 3.12 inches and Slate Lick Knob reported 1.80 inches.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flash flood, 2 heavy rain. Local standard time, as filed.

Flash Flood, Pendleton

When
September 5, 2:00 AM EST to 8:00 AM EST
Where
Pendleton County, Countywide
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
38.681, -79.351 (the zone’s center; the record gives no point)

Tropical rains up to 5 inches

Flash Flood, Grant

When
September 5, 2:00 AM EST to 8:00 AM EST
Where
Grant County, Countywide
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.105, -79.196 (the zone’s center; the record gives no point)

Tropical rains up to 4 inches

Heavy Rain, Hardy

When
September 5, 2:00 AM EST to 8:00 AM EST
Where
Hardy County, Countywide
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.008, -78.858 (the zone’s center; the record gives no point)

Heavy Rain, Hampshire

When
September 5, 2:00 AM EST to 8:00 AM EST
Where
Hampshire County, Countywide
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
39.317, -78.614 (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.
Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

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, September 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: 5716567, 5716568, 5716569, 5716570.