Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 114, NWS Charleston, WV

September 1, 20217 counties in West Virginia

NWS Charleston, WV issued this flash flood warning at Sep 1, 2021, 7:35 AM EDT for 7 counties in West Virginia. It was in force for 6 hr. 5 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
Sep 1, 2021, 7:35 AM EDT (11:35 UTC)
Expired
Sep 1, 2021, 1:30 PM EDT
In force
6 hr
Issued by
NWS Charleston, WV
Area
Storm-based polygon
Flood severity
None

Counties Barbour County, WV, Doddridge County, WV, Harrison County, WV, Lewis County, WV, Randolph County, WV, Taylor County, WV, Upshur County, WV

The radar

The Pittsburgh radar (KPBZ), 148 km from the middle of the area, began a volume at 11:35 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
Sep 1, 9:00 AM EDTFLASH FLOODBuckhannon, WVHIGH WATER REPORTED ON E MAIN ST IN BUCKHANNON.
Sep 1, 9:01 AM EDTFLASH FLOODBuckhannon, WVRT 20 IS FLOODED IN BUCKHANNON AT THE SPEEDWAY AT THE INTERSECTION OF RT 20 AND S KANAWHA STREET.
Sep 1, 10:30 AM EDTFLASH FLOODBuckhannon, WVFLOODING ALONG MEADOW STREET IN BUCKHANNON.
Sep 1, 10:49 AM EDTFLASH FLOOD6 Ese Tygart Lake State, WVWV38 FLOODED IN VALLEY FURNACE AREA AND WV92 FLOODED NEAR CLEMTOWN INTERSECTION. REPORTS OF WATER INSIDE RESIDENTIAL STRUCTURES.
Sep 1, 11:00 AM EDTFLASH FLOOD7 Ene Philippi, WVMULTIPLE RESIDENCES ARE FLOODED NEAR NESTORVILLE AND MULTIPLE ROADS ARE CLOSED DUE TO HIGH WATER.

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

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 11.6 hours before the alert went out and 134 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 00:00Z on 2021-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 43 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 00:00Z on 2021-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
43 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
816 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

403 
WGUS51 KRLX 011135
FFWRLX
WVC001-017-033-041-083-091-097-011600-
/O.NEW.KRLX.FF.W.0114.210901T1135Z-210901T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
735 AM EDT Wed Sep 1 2021

The National Weather Service in Charleston has issued a

* Flash Flood Warning for...
  Barbour County in northeastern West Virginia...
  Northern Randolph County in northeastern West Virginia...
  Upshur County in northeastern West Virginia...
  Southeastern Doddridge County in northern West Virginia...
  Harrison County in northern West Virginia...
  Northeastern Lewis County in northern West Virginia...
  Taylor County in northern West Virginia...

* Until noon EDT.

* At 735 AM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 0.5 and 1 inch of rain has fallen. Additional 
  rainfall amounts of 1 to 2 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...
  Clarksburg, Elkins, Buckhannon, Grafton, Philippi, Audra State 
  Park, Bridgeport, Shinnston, Belington, Stonewood, Nutter Fort, 
  Salem, Lumberport, Anmoore, Jackson Mill, Rock Cave, Beverly, West 
  Milford, Junior and Lost Creek.

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 3943 8055 3943 8054 3947 8049 3939 8020
      3941 8011 3939 8009 3945 7994 3944 7989
      3930 7990 3924 7981 3913 7984 3909 7978
      3904 7978 3904 7979 3897 7950 3897 7936
      3872 8041 3873 8044 3908 8038 3906 8070

FLASH FLOOD...RADAR INDICATED

$$

30
3 follow-up statements
967 
WGUS71 KRLX 011504
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
1104 AM EDT Wed Sep 1 2021

WVC017-011514-
/O.CAN.KRLX.FF.W.0114.000000T0000Z-210901T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Doddridge WV-
1104 AM EDT Wed Sep 1 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN DODDRIDGE 
COUNTY...

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 southeast Ohio and West Virginia.

LAT...LON 3873 8044 3908 8038 3917 8026 3934 8022
      3939 8016 3940 8002 3945 7994 3944 7989
      3930 7990 3927 7985 3925 7985 3924 7981
      3906 7986 3894 7998 3878 8019 3873 8041
      3872 8040

$$

WVC001-033-041-083-091-097-011600-
/O.CON.KRLX.FF.W.0114.000000T0000Z-210901T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barbour WV-Harrison WV-Lewis WV-Randolph WV-Taylor WV-Upshur WV-
1104 AM EDT Wed Sep 1 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON EDT TODAY FOR 
BARBOUR, NORTHWESTERN RANDOLPH, UPSHUR, SOUTHEASTERN HARRISON, 
SOUTHEASTERN LEWIS AND TAYLOR COUNTIES...

At 1104 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 0.5 to 1.5 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...
  Buckhannon, Grafton, Philippi, Audra State Park, Bridgeport, 
  Belington, Rock Cave, Junior, Flemington, Volga, Century, 
  Hodgesville, Overhill, Galloway, Ellamore, Tallmansville, 
  Moatsville, Rosemont, Lorentz and Nestorville.

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 3873 8044 3908 8038 3917 8026 3934 8022
      3939 8016 3940 8002 3945 7994 3944 7989
      3930 7990 3927 7985 3925 7985 3924 7981
      3906 7986 3894 7998 3878 8019 3873 8041
      3872 8040

FLASH FLOOD...RADAR INDICATED

$$

30
854 
WGUS51 KRLX 011526
FFWRLX
WVC001-033-041-083-091-097-011730-
/O.EXT.KRLX.FF.W.0114.000000T0000Z-210901T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Charleston WV
1126 AM EDT Wed Sep 1 2021

The National Weather Service in Charleston has extended the

* Flash Flood Warning for...
  Barbour County in northeastern West Virginia...
  Northwestern Randolph County in northeastern West Virginia...
  Upshur County in northeastern West Virginia...
  Southeastern Harrison County in northern West Virginia...
  Southeastern Lewis County in northern West Virginia...
  Taylor County in northern West Virginia...

* Until 130 PM EDT.

* At 1126 AM EDT, Doppler radar and automated rain gauges indicated 
  moderate rain falling across the warned area. Between 1.5 and 2.5 
  inches of rain have fallen. Additional rainfall amounts of 0.5 to 
  1.5 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 and automated gauges.

  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...
  Buckhannon, Grafton, Philippi, Audra State Park, Bridgeport, 
  Belington, Rock Cave, Junior, Flemington, Volga, Century, 
  Hodgesville, Overhill, Galloway, Ellamore, Tallmansville, 
  Moatsville, Rosemont, Lorentz and Nestorville.

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 3873 8044 3908 8038 3917 8026 3934 8022
      3939 8016 3940 8002 3945 7994 3944 7989
      3930 7990 3927 7985 3925 7985 3924 7981
      3906 7986 3894 7998 3878 8019 3873 8041
      3872 8040

FLASH FLOOD...RADAR AND GAUGE INDICATED

$$

30
502 
WGUS71 KRLX 011727
FFSRLX

Flash Flood Statement
National Weather Service Charleston WV
127 PM EDT Wed Sep 1 2021

WVC001-033-041-083-091-097-011737-
/O.EXP.KRLX.FF.W.0114.000000T0000Z-210901T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barbour WV-Harrison WV-Lewis WV-Randolph WV-Taylor WV-Upshur WV-
127 PM EDT Wed Sep 1 2021

...FLASH FLOOD WARNING AT 130 PM EDT THIS AFTERNOON FOR BARBOUR, 
NORTHWESTERN RANDOLPH, UPSHUR, SOUTHEASTERN HARRISON, SOUTHEASTERN 
LEWIS AND TAYLOR COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

LAT...LON 3873 8044 3908 8038 3917 8026 3934 8022
      3939 8016 3940 8002 3945 7994 3944 7989
      3930 7990 3927 7985 3925 7985 3924 7981
      3906 7986 3894 7998 3878 8019 3873 8041
      3872 8040

$$

30

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 1, 6:19 AM EDTFlash Flood WarningRLXBraxton, Calhoun, Gilmer, Lewis, Ritchie, Wirt6 hr
Sep 1, 6:22 AM EDTFlash Flood WarningRLXClay, Kanawha, Nicholas3 hr
Sep 1, 7:28 AM EDTFlash Flood WarningRLXBraxton, Calhoun, Clay, Kanawha, Nicholas, Roane4 hr
Sep 1, 11:20 AM EDTAreal Flood WarningRLXBraxton, Clay3 hr
Sep 1, 12:19 PM EDTAreal Flood WarningRLXBraxton, Lewis3 hr
Sep 1, 1:27 PM EDTAreal Flood WarningRLXBarbour, Harrison, Lewis, Randolph, Taylor, Upshur3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.