Alert archive / West Virginia / Flash Flood Warnings in 2021
Flash Flood Warning 112, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Sep 1, 2021, 6:22 AM EDT for Clay County, Kanawha County, Nicholas 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
- Sep 1, 2021, 6:22 AM EDT (10:22 UTC)
- Expired
- Sep 1, 2021, 9:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clay County, WV, Kanawha County, WV, Nicholas County, WV
The radar
The Charleston,WV radar (KRLX), 40 km from the middle of the area, began a volume at 10:22 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 00:00Z, 10.4 hours before the alert went out and 196 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
- 319 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.9
The text
As transmitted.
879
WGUS51 KRLX 011022
FFWRLX
WVC015-039-067-011330-
/O.NEW.KRLX.FF.W.0112.210901T1022Z-210901T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
622 AM EDT Wed Sep 1 2021
The National Weather Service in Charleston has issued a
* Flash Flood Warning for...
East Central Kanawha County in central West Virginia...
Southern Clay County in north central West Virginia...
Northwestern Nicholas County in southeastern West Virginia...
* Until 930 AM EDT.
* At 622 AM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of
rain have fallen and more to come. 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...
Cedar Grove, East Bank, Glasgow, Pratt, Handley, Indore, Bickmore,
Bentree, Pond Gap, Widen and Sharon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
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 3828 8149 3852 8091 3844 8069 3825 8119
3826 8123 3821 8128 3812 8155 3814 8155
FLASH FLOOD...RADAR INDICATED
$$
JZ2 follow-up statements
440
WGUS71 KRLX 011228
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
828 AM EDT Wed Sep 1 2021
WVC015-039-067-011330-
/O.CON.KRLX.FF.W.0112.000000T0000Z-210901T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay WV-Kanawha WV-Nicholas WV-
828 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM EDT THIS
MORNING FOR EAST CENTRAL KANAWHA, SOUTHERN CLAY AND NORTHWESTERN
NICHOLAS COUNTIES...
At 828 AM EDT, Doppler radar indicated heavy rain across the warned
area. Between 1 and 1.5 inches of rain have fallen. Additional
rainfall amounts of 0.25 to 0.5 inches are possible in the warned
area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by heavy rain.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Cedar Grove, East Bank, Glasgow, Pratt, Handley, Indore, Bickmore,
Bentree, Pond Gap, Widen and Sharon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.
Please report Severe Weather to the National Weather Service by
calling toll free, 800 401 9535, when you can do so safely. You may
also report severe weather by posting your report to the Charleston
West Virginia National Weather Service Facebook Page, or by using
the Twitter Hashtag, NWSRLX.
&&
LAT...LON 3828 8149 3852 8091 3844 8069 3825 8119
3826 8123 3821 8128 3812 8155 3814 8155
FLASH FLOOD...RADAR INDICATED
$$
30371
WGUS71 KRLX 011321
FFSRLX
Flash Flood Statement
National Weather Service Charleston WV
921 AM EDT Wed Sep 1 2021
WVC015-039-067-011331-
/O.EXP.KRLX.FF.W.0112.000000T0000Z-210901T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Clay WV-Kanawha WV-Nicholas WV-
921 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 930 AM EDT THIS MORNING FOR
EAST CENTRAL KANAWHA, SOUTHERN CLAY AND NORTHWESTERN NICHOLAS
COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 800 PM EDT Wednesday for
portions of northeast Kentucky, southeast Ohio, southwest Virginia
and West Virginia.
LAT...LON 3828 8149 3852 8091 3844 8069 3825 8119
3826 8123 3821 8128 3812 8155 3814 8155
$$
30The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 6:19 AM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Gilmer, Lewis, Ritchie, Wirt | 6 hr |
| Sep 1, 7:28 AM EDT | Flash Flood Warning | RLX | Braxton, Calhoun, Clay, Kanawha, Nicholas, Roane | 4 hr |
| Sep 1, 7:35 AM EDT | Flash Flood Warning | RLX | Barbour, Doddridge, Harrison, Lewis, Randolph, Taylor and 1 more | 6 hr |
| Sep 1, 11:20 AM EDT | Areal Flood Warning | RLX | Braxton, Clay | 3 hr |
| Sep 1, 12:19 PM EDT | Areal Flood Warning | RLX | Braxton, Lewis | 3 hr |
| Sep 1, 1:27 PM EDT | Areal Flood Warning | RLX | Barbour, Harrison, Lewis, Randolph, Taylor, Upshur | 3 hr |
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.