Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 77, NWS Charleston, WV

July 26, 2021Doddridge County, Harrison County, Lewis County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jul 26, 2021, 8:00 AM EDT for Doddridge County, Harrison County, Lewis 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
Jul 26, 2021, 8:00 AM EDT (12:00 UTC)
Expired
Jul 26, 2021, 11:00 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Doddridge County, WV, Harrison County, WV, Lewis County, WV

The radar

The Charleston,WV radar (KRLX), 144 km from the middle of the area, began a volume at 12:00 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

Pittsburgh, PA (KPIT), launched 12:00Z, 0.0 hours before the alert went out and 146 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, Pittsburgh, PA at 12:00Z on 2021-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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, Pittsburgh, PA at 12:00Z on 2021-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.19395878Sfc1 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
1482 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WGUS51 KRLX 261200
FFWRLX
WVC017-033-041-261500-
/O.NEW.KRLX.FF.W.0077.210726T1200Z-210726T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
800 AM EDT Mon Jul 26 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  East Central Doddridge County in northern West Virginia...
  Southwestern Harrison County in northern West Virginia...
  Northeastern Lewis County in northern West Virginia...

* Until 1100 AM EDT.

* At 800 AM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2.5 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...
  Weston, Jackson Mill, West Milford, Lost Creek, Jane Lew and 
  Horner.

This includes the following highways...
	Interstate 79 between mile markers 99 and 111.
	Route 33 near mile marker 3.

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 3915 8058 3927 8057 3915 8025 3910 8029
      3910 8030 3909 8030 3900 8038 3911 8057

FLASH FLOOD...RADAR INDICATED

$$

JZ
1 follow-up statement
176 
WGUS71 KRLX 261231
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
831 AM EDT Mon Jul 26 2021

WVC017-033-041-261500-
/O.CON.KRLX.FF.W.0077.000000T0000Z-210726T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Doddridge WV-Harrison WV-Lewis WV-
831 AM EDT Mon Jul 26 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS 
MORNING FOR EAST CENTRAL DODDRIDGE, SOUTHWESTERN HARRISON AND 
NORTHEASTERN LEWIS COUNTIES...

At 831 AM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1.5 and 2.7 inches of rain have 
fallen. An additional rainfall amount expected 0.00 to 0.25 inches. 
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...
  Weston, Jackson Mill, West Milford, Lost Creek, Jane Lew and 
  Horner.

This includes the following highways...
	Interstate 79 between mile markers 99 and 111.

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 3915 8058 3927 8057 3915 8025 3910 8029
      3910 8030 3909 8030 3900 8038 3911 8057

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.25 INCHES IN 

$$

JZ

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 8:15 PM EDTSpecial Weather StatementRLXWayne30 min
Jul 26, 7:26 AM EDTSpecial Weather StatementRLXHarrison49 min
Jul 26, 2:35 PM EDTSpecial Weather StatementRLXLewis40 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.