Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 86, NWS Charleston, WV

August 16, 2021Doddridge County, Ritchie County, West Virginia

NWS Charleston, WV issued this flash flood warning at Aug 16, 2021, 7:17 PM EDT for Doddridge County, Ritchie 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 16, 2021, 7:17 PM EDT (23:17 UTC)
Expired
Aug 16, 2021, 10:15 PM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Doddridge County, WV, Ritchie County, WV

The radar

The Charleston,WV radar (KRLX), 134 km from the middle of the area, began a volume at 23:19 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, 11.3 hours before the alert went out and 139 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 2021-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 2021-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
82 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
797 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

138 
WGUS51 KRLX 162317
FFWRLX
WVC017-085-170215-
/O.NEW.KRLX.FF.W.0086.210816T2317Z-210817T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
717 PM EDT Mon Aug 16 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Central Doddridge County in northern West Virginia...
  East Central Ritchie County in northwestern West Virginia...

* Until 1015 PM EDT.

* At 717 PM EDT, Doppler radar indicated showers and thunderstorms 
  producing heavy rain across the warned area. Between 1.5 and 2 
  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...
  West Union, Pullman, Auburn, Smithburg, Blandville, Grove, New 
  Milton, Avon and Canton.

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 3928 8084 3933 8085 3934 8084 3934 8083
      3937 8078 3939 8074 3922 8057 3909 8087
      3919 8095

FLASH FLOOD...RADAR INDICATED

$$

TRM
1 follow-up statement
517 
WGUS71 KRLX 170107
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
907 PM EDT Mon Aug 16 2021

WVC017-085-170215-
/O.CON.KRLX.FF.W.0086.000000T0000Z-210817T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Doddridge WV-Ritchie WV-
907 PM EDT Mon Aug 16 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT THIS 
EVENING FOR CENTRAL DODDRIDGE AND EAST CENTRAL RITCHIE COUNTIES...

At 907 PM EDT, Doppler radar indicated showers and thunderstorms 
produced heavy rain across the warned area. Between 1.5 and 2 inches 
of rain have fallen. The heaviest of the rain was over. High water 
signs were being posted for high water three quarters of the way 
across a road in West Union, on account of a blocked culvert. 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...
  West Union, Pullman, Auburn, Smithburg, Blandville, Grove, New 
  Milton, Avon and Canton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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 3928 8084 3933 8085 3934 8084 3934 8083
      3937 8078 3939 8074 3922 8057 3909 8087
      3919 8095

FLASH FLOOD...RADAR INDICATED

$$

TRM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 8:08 PM EDTSpecial Weather StatementRLXClay37 min
Aug 15, 8:25 PM EDTSpecial Weather StatementRLXMingo35 min
Aug 15, 8:34 PM EDTSpecial Weather StatementRLXBraxton26 min
Aug 15, 8:37 PM EDTSpecial Weather StatementRLXBarbour, Upshur38 min
Aug 15, 8:53 PM EDTSpecial Weather StatementRLXBraxton37 min
Aug 15, 9:41 PM EDTSpecial Weather StatementRLXLewis34 min
Aug 15, 9:56 PM EDTSpecial Weather StatementRLXWayne34 min
Aug 15, 10:10 PM EDTSpecial Weather StatementRLXLogan20 min
Aug 15, 10:57 PM EDTSpecial Weather StatementRLXBoone33 min
Aug 16, 5:48 PM EDTSpecial Weather StatementRLXWyoming27 min
Aug 16, 5:57 PM EDTSpecial Weather StatementRLXNicholas33 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.