Alert archive / Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 105, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Aug 30, 2021, 11:07 AM EDT for Buchanan County, Virginia; McDowell County, West Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 30, 2021, 11:07 AM EDT (15:07 UTC)
- Expired
- Aug 30, 2021, 2:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Buchanan County, VA, McDowell County, WV
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 3.1 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 747 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 94 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
014
WGUS51 KRLX 301507
FFWRLX
VAC027-WVC047-301815-
/O.NEW.KRLX.FF.W.0105.210830T1507Z-210830T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1107 AM EDT Mon Aug 30 2021
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
Central Buchanan County in southwestern Virginia...
West Central McDowell County in southern West Virginia...
* Until 215 PM EDT.
* At 1107 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. Additional rainfall amounts of 1 to 1.5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Grundy, Big Rock, Bradshaw, Stacy, Roseann and Jolo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely. You may
also report severe weather by posting your report to the Charleston
West Virginia National Weather Service Facebook Page, or by using
the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3742 8213 3740 8174 3737 8173 3734 8175
3729 8183 3727 8187 3727 8208 3729 8215
3730 8223 3732 8227 3734 8225
FLASH FLOOD...RADAR INDICATED
$$
SL1 follow-up statement
354
WGUS71 KRLX 301632
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
1232 PM EDT Mon Aug 30 2021
VAC027-WVC047-301815-
/O.CON.KRLX.FF.W.0105.000000T0000Z-210830T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Buchanan VA-McDowell WV-
1232 PM EDT Mon Aug 30 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM EDT THIS
AFTERNOON FOR CENTRAL BUCHANAN AND WEST CENTRAL MCDOWELL COUNTIES...
At 1232 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2.5 inches of rain
have fallen. Additional rainfall amounts of 0.5 to 1 inch are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Grundy, Big Rock, Bradshaw, Stacy, Roseann and Jolo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely. You may
also report severe weather by posting your report to the Charleston
West Virginia National Weather Service Facebook Page, or by using
the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3742 8213 3740 8174 3737 8173 3734 8175
3729 8183 3727 8187 3727 8208 3729 8215
3730 8223 3732 8227 3734 8225
FLASH FLOOD...RADAR INDICATED
$$
SLThe office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 30, 3:48 AM EDT | Flash Flood Watch | RLX | Buchanan, Dickenson | 58 hr |
| Aug 30, 9:12 AM EDT | Flash Flood Warning | RLX | Buchanan | 5 hr |
| Aug 30, 2:12 PM EDT | Flash Flood Warning | RLX | Buchanan | 5 hr |
| Aug 30, 2:12 PM EDT | Flash Flood Warning | RLX | Buchanan | 5 hr |
| Aug 30, 7:08 PM EDT | Areal Flood Warning | RLX | Buchanan | 6 hr |
| Aug 30, 7:40 AM EDT | Special Weather Statement | RLX | Raleigh | 35 min |
| Aug 30, 10:17 AM EDT | River Flood Warning | RLX | Calhoun, Gilmer | 67 hr |
| Aug 30, 10:19 AM EDT | River Flood Warning | RLX | Calhoun, Wirt | 3 days |
| Aug 30, 12:09 PM EDT | Special Weather Statement | RLX | Lincoln | 36 min |
| Aug 30, 12:52 PM EDT | Flash Flood Warning | RLX | Boone, Lincoln, Logan, Wayne | 3 hr |
| Aug 30, 5:06 PM EDT | Flash Flood Warning | RLX | Cabell, Wayne | 4 hr |
Nearby
Flash Flood Warnings in Virginia, 2021Flash Flood Warnings in West Virginia, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.