Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 1, NWS Pittsburgh, PA

June 10, 2021Marion County, Monongalia County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jun 10, 2021, 7:51 PM EDT for Marion County, Monongalia County, West Virginia. It was in force for 84 min. 8 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
Jun 10, 2021, 7:51 PM EDT (23:51 UTC)
Expired
Jun 10, 2021, 9:15 PM EDT
In force
84 min
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Flood severity
None

Counties Marion County, WV, Monongalia County, WV

The radar

The Pittsburgh radar (KPBZ), 115 km from the middle of the area, began a volume at 23:52 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
Jun 10, 8:00 PM EDTFLASH FLOODRivesville, WVHAWKINBERRY HOLLOW AREA WATER FLOWING OVER ROADS.
Jun 10, 8:26 PM EDTFLASH FLOODShagtown, WVREPORTED FLOODING ALONG HOWARD STREET IN FAIRMONT.
Jun 10, 8:28 PM EDTFLASH FLOODBarrackville, WVREPORT OF FLOODED ROADWAY AND RESIDENTIAL FLOODING. EXTENT OF DAMAGE UNKNOWN AT THIS TIME.
Jun 10, 8:30 PM EDTFLASH FLOODFairmont, WVVIDEO SHOWS FAST MOVING FLOOD WATERS ACROSS KIRKWAY DRIVE AT THE FAIRMONT BOWLING CENTER.
Jun 10, 8:32 PM EDTFLASH FLOODBarrackville, WV911 CENTER CONFIRMING MULTIPLE ROADWAYS CLOSED DUE TO FLOODING.
Jun 10, 8:33 PM EDTFLASH FLOODBarrackville, WV911 CENTER CONFIRMED MULTIPLE RESIDENCES FLOODED IN THE BARRACKVILLE AREA.
Jun 10, 8:33 PM EDTFLASH FLOODFairmont, WV911 CALL CENTER CONFIRMED MULTIPLE ROADWAYS CLOSED IN THE FAIRMONT AREA DUE TO FLOODING.
Jun 10, 9:00 PM EDTHEAVY RAIN 6.1Bellview, WVFELL OVER 2.5 HOURS.

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 12:00Z, 11.9 hours before the alert went out and 101 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 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
18 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
830 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

105 
WGUS51 KPBZ 102351
FFWPBZ
WVC049-061-110115-
/O.NEW.KPBZ.FF.W.0001.210610T2351Z-210611T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
751 PM EDT Thu Jun 10 2021

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
  East Central Marion County in northern West Virginia...
  Southwestern Monongalia County in northern West Virginia...

* Until 915 PM EDT.

* At 751 PM EDT, Radar indicated showers and thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 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...
  Fairmont, Pleasant Valley, Winfield, Barrackville, Rivesville and 
  Baxter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3947 8009 3947 8018 3955 8018 3954 8003

FLASH FLOOD...RADAR INDICATED

$$
3 follow-up statements
074 
WGUS71 KPBZ 110041
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
841 PM EDT Thu Jun 10 2021

WVC049-061-110115-
/O.CON.KPBZ.FF.W.0001.000000T0000Z-210611T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion WV-Monongalia WV-
841 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT THIS 
EVENING FOR EAST CENTRAL MARION AND SOUTHWESTERN MONONGALIA 
COUNTIES...

At 841 PM EDT, HAZARD...Flash flooding caused by heavy rain.  
Estimates are that
         2 to 3 inches has fallen.

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 are experiencing flash flooding include...
  Fairmont and Barrackville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3947 8009 3947 8018 3955 8018 3954 8003

FLASH FLOOD...RADAR INDICATED

$$
004 
WGUS71 KPBZ 110057
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
857 PM EDT Thu Jun 10 2021

WVC049-061-110115-
/O.CON.KPBZ.FF.W.0001.000000T0000Z-210611T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion WV-Monongalia WV-
857 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM EDT THIS 
EVENING FOR EAST CENTRAL MARION AND SOUTHWESTERN MONONGALIA 
COUNTIES...

At 857 PM EDT, emergency management reported flooding in 
Barrackville and Fairmont. Between 2 and 3 inches of rain have 
fallen.

HAZARD...Flash flooding caused by heavy rainfall

SOURCE...Emergency management reported.

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...
  Fairmont, Pleasant Valley, Winfield, Barrackville, Rivesville and 
  Baxter.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3947 8009 3947 8018 3955 8018 3954 8003

FLASH FLOOD...OBSERVED

$$
481 
WGUS71 KPBZ 110112
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
912 PM EDT Thu Jun 10 2021

WVC049-061-110122-
/O.EXP.KPBZ.FF.W.0001.000000T0000Z-210611T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion WV-Monongalia WV-
912 PM EDT Thu Jun 10 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 915 PM EDT THIS EVENING FOR 
EAST CENTRAL MARION AND SOUTHWESTERN MONONGALIA COUNTIES...

The heaviest rain has ended and areas of high water are expected to 
recede.  Please continue to heed remaining road closures.

LAT...LON 3947 8009 3947 8018 3955 8018 3954 8003

$$

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.