Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 85, NWS Charleston, WV

August 15, 2021Boone County, Kanawha County, Lincoln County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 15, 2021, 9:58 AM EDT for Boone County, Kanawha County, Lincoln County, West Virginia. It was in force for 3 hr. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 15, 2021, 9:58 AM EDT (13:58 UTC)
Expired
Aug 15, 2021, 12:54 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Boone County, WV, Kanawha County, WV, Lincoln County, WV

The radar

The Charleston,WV radar (KRLX), 15 km from the middle of the area, began a volume at 14:02 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.

What was reported inside it

TimeReportWhereRemark
Aug 15, 10:45 AM EDTFLASH FLOOD1 Ene Sod, WVMINOR FLOODING ALONG MCCORKLE AVE AND ELY FORK NEAR SOD
Aug 15, 11:00 AM EDTFLASH FLOOD1 Ene Sod, WVFLOODING ALONG COBBS CREEK ROAD IN SOD WV. VEHICLE IS SUBMERGED.
Aug 15, 11:30 AM EDTFLASH FLOOD5 Ssw Alum Creek, WVSTATE CULVERT OUT ON BUCKEYE FORK.
Aug 15, 11:45 AM EDTFLASH FLOOD5 Ssw Alum Creek, WVWATER IN AT LEAST 5 HOUSES AND UNDER SEVERAL MORE ALONG BUCKEYE FORK. SOME OF THE HOUSES FLOODED WERE AGAINST HILLSIDES AND SOME WERE NOT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 2.0 hours before the alert went out and 215 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2021-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2021-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1038 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

781 
WGUS51 KRLX 151358
FFWRLX
WVC005-039-043-151700-
/O.NEW.KRLX.FF.W.0085.210815T1358Z-210815T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
958 AM EDT Sun Aug 15 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Northwestern Boone County in central West Virginia...
  West Central Kanawha County in central West Virginia...
  East Central Lincoln County in central West Virginia...

* Until 100 PM EDT.

* At 958 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2 inches of rain have 
  fallen. Additional rainfall amounts up 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...
  South Charleston, Alum Creek, Julian, Tornado, Sod, Woodville, 
  Alkol, Yawkey and Griffithsville.

This includes the following highways...
	Route 119 between mile markers 57 and 72.

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 3824 8204 3827 8188 3834 8183 3823 8162
      3820 8179 3819 8181 3811 8187

FLASH FLOOD...RADAR INDICATED

$$

JZ
3 follow-up statements
825 
WGUS71 KRLX 151523
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1123 AM EDT Sun Aug 15 2021

WVC005-039-043-151700-
/O.CON.KRLX.FF.W.0085.000000T0000Z-210815T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Kanawha WV-Lincoln WV-
1123 AM EDT Sun Aug 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM EDT THIS 
AFTERNOON FOR NORTHWESTERN BOONE, WEST CENTRAL KANAWHA AND EAST 
CENTRAL LINCOLN COUNTIES...

At 1123 AM EDT, Heavy rain across the warned area has ended, however 
the threat of flooding still remains. Hobs creek road in Sod is 
closed due to high water with at least 1 car stranded (reported by 
the local 911 center). Up to 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...
  South Charleston, Alum Creek, Julian, Tornado, Sod, Woodville, 
  Alkol, Yawkey and Griffithsville.

This includes the following highways...
	Route 119 between mile markers 58 and 72.

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 3824 8204 3827 8188 3834 8183 3823 8162
      3820 8179 3819 8181 3811 8187

FLASH FLOOD...RADAR INDICATED

$$

JZ
114 
WGUS71 KRLX 151621
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1221 PM EDT Sun Aug 15 2021

WVC005-039-043-151700-
/O.CON.KRLX.FF.W.0085.000000T0000Z-210815T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Kanawha WV-Lincoln WV-
1221 PM EDT Sun Aug 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1 PM EDT THIS 
AFTERNOON FOR NORTHWESTERN BOONE, WEST CENTRAL KANAWHA AND EAST 
CENTRAL LINCOLN COUNTIES...

At 1221 PM EDT, The heavy rain has ended across the warned area. Up 
to 2 inches or more of rain have fallen. Flooding is ongoing at Cobb 
Creek Road in Sod which is closed due to high water with at least 1 
stranded vehicle (reported by local 911 center). Other roads may 
have been affected as well.

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...
  South Charleston, Alum Creek, Julian, Tornado, Sod, Woodville, 
  Alkol, Yawkey and Griffithsville.

This includes the following highways...
	Route 119 between mile markers 58 and 72.

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 3824 8204 3827 8188 3834 8183 3823 8162
      3820 8179 3819 8181 3811 8187

FLASH FLOOD...RADAR INDICATED

$$

JZ
376 
WGUS71 KRLX 151654
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1254 PM EDT Sun Aug 15 2021

WVC005-039-043-151704-
/O.CAN.KRLX.FF.W.0085.000000T0000Z-210815T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Boone WV-Kanawha WV-Lincoln WV-
1254 PM EDT Sun Aug 15 2021

...FLASH FLOOD WARNING IS CANCELLED FOR NORTHWESTERN BOONE, WEST 
CENTRAL KANAWHA AND EAST CENTRAL LINCOLN COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

LAT...LON 3824 8204 3827 8188 3834 8183 3823 8162
      3820 8179 3819 8181 3811 8187

$$

JZ

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 14, 8:54 PM EDTFlash Flood WarningRLXKanawha2 hr
Aug 15, 9:21 AM EDTSpecial Weather StatementRLXKanawha, Lincoln84 min
Aug 15, 5:18 PM EDTSpecial Weather StatementRLXMcDowell27 min
Aug 15, 7:24 PM EDTSevere Thunderstorm WarningRLXBoone, Raleigh36 min
Aug 15, 7:29 PM EDTSpecial Weather StatementRLXClay31 min
Aug 15, 7:32 PM EDTSpecial Weather StatementRLXMingo28 min
Aug 15, 7:47 PM EDTSpecial Weather StatementRLXKanawha28 min
Aug 15, 7:54 PM EDTSpecial Weather StatementRLXUpshur36 min
Aug 15, 7:59 PM EDTSevere Thunderstorm WarningRLXBoone, Kanawha31 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.