Alert archive / West Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 82, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Aug 11, 2021, 11:38 AM EDT for 4 counties in 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 11, 2021, 11:38 AM EDT (15:38 UTC)
- Expired
- Aug 11, 2021, 2:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Braxton County, WV, Clay County, WV, Fayette County, WV, Nicholas County, WV
The radar
The Charleston,WV radar (KRLX), 56 km from the middle of the area, began a volume at 15:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Roanoke, VA (KRNK), launched 12:00Z, 3.6 hours before the alert went out and 191 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
- 506 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 998 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -44 m²/s²
- 0-3 km storm-relative helicity
- -29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
586
WGUS51 KRLX 111538
FFWRLX
WVC007-015-019-067-111845-
/O.NEW.KRLX.FF.W.0082.210811T1538Z-210811T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1138 AM EDT Wed Aug 11 2021
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
Southwestern Braxton County in north central West Virginia...
Clay County in north central West Virginia...
North Central Fayette County in southeastern West Virginia...
Central Nicholas County in southeastern West Virginia...
* Until 245 PM EDT.
* At 1138 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2 inches of
rain have fallen. 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...
Summersville, Clay, Big Otter, Wallback, Glen, Harrison, Drennan,
Bickmore, Ivydale, Widen, Indore, Kesslers Cross Lanes, Muddlety,
Strange Creek, Swiss, Bentree, Procious and Nebo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
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 3840 8126 3847 8127 3855 8115 3865 8101
3841 8068 3825 8080 3817 8095 3813 8101
3827 8120 3837 8125 3838 8125
FLASH FLOOD...RADAR INDICATED
$$
JLB1 follow-up statement
058
WGUS71 KRLX 111836
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
236 PM EDT Wed Aug 11 2021
WVC007-015-019-067-111846-
/O.EXP.KRLX.FF.W.0082.000000T0000Z-210811T1845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Braxton WV-Clay WV-Fayette WV-Nicholas WV-
236 PM EDT Wed Aug 11 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 245 PM EDT THIS AFTERNOON FOR
SOUTHWESTERN BRAXTON, CLAY, NORTH CENTRAL FAYETTE AND CENTRAL
NICHOLAS COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please heed any road closures.
LAT...LON 3840 8126 3847 8127 3855 8115 3865 8101
3841 8068 3825 8080 3817 8095 3813 8101
3827 8120 3837 8125 3838 8125
$$
JLBThe office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 7:55 AM EDT | Special Weather Statement | RLX | Randolph | 35 min |
| Aug 11, 8:39 AM EDT | Special Weather Statement | RLX | Boone | 51 min |
| Aug 11, 8:51 AM EDT | Flash Flood Warning | RLX | Boone, Kanawha | 5 hr |
| Aug 11, 9:57 AM EDT | Flash Flood Warning | RLX | Boone, Logan, Raleigh, Wyoming | 3 hr |
| Aug 11, 10:04 AM EDT | Special Weather Statement | RLX | Clay, Nicholas | 41 min |
| Aug 11, 10:23 AM EDT | Special Weather Statement | RLX | Kanawha | 37 min |
| Aug 11, 12:33 PM EDT | Special Weather Statement | RLX | Pleasants, Ritchie | 27 min |
| Aug 11, 12:38 PM EDT | Special Weather Statement | RLX | Randolph | 37 min |
| Aug 11, 1:47 PM EDT | Heat Advisory | RLX | Boone, Braxton, Cabell, Calhoun, Clay, Doddridge and 17 more | 30 hr |
| Aug 11, 2:03 PM EDT | Special Weather Statement | RLX | Lincoln, Wayne | 27 min |
| Aug 11, 2:33 PM EDT | Special Weather Statement | RLX | Lincoln | 27 min |
| Aug 11, 3:00 PM EDT | Special Weather Statement | RLX | Lincoln, Wayne | 30 min |
| Aug 11, 6:28 PM EDT | Special Weather Statement | RLX | Pleasants | 32 min |
| Aug 11, 6:54 PM EDT | Special Weather Statement | RLX | Pleasants | 36 min |
| Aug 11, 7:29 PM EDT | Special Weather Statement | RLX | Tyler | 31 min |
Nearby
Flash 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; radar from the NEXRAD Level II archive.