Alert archive / West Virginia / Flash Flood Warnings in 2021

Flash Flood Warning 3, NWS Pittsburgh, PA

June 13, 2021Monongalia County, Preston County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jun 13, 2021, 2:16 PM EDT for Monongalia County, Preston County, West Virginia. It was in force for 2 hr. 6 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 13, 2021, 2:16 PM EDT (18:16 UTC)
Expired
Jun 13, 2021, 4:27 PM EDT
In force
2 hr
Issued by
NWS Pittsburgh, PA
Area
Storm-based polygon
Flood severity
None

Counties Monongalia County, WV, Preston County, WV

The radar

The Pittsburgh radar (KPBZ), 111 km from the middle of the area, began a volume at 18:18 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 13, 2:59 PM EDTFLASH FLOODMorgantown, WVCOLLINS FERRY, BEECHHURST AND PATTERSON DRIVE ARE REPORTED TO BE FLOODED.
Jun 13, 3:05 PM EDTFLASH FLOODRowlesburg, WVRIVER ROAD REPORTED TO BE FLOODED.
Jun 13, 3:07 PM EDTFLASH FLOODMasontown, WVROUTE 7 NEAR THE MASONTOWN INDUSTRIAL PARK IS FLOODED BY CREEK BEING OUT OF ITS BANKS.
Jun 13, 3:50 PM EDTFLASH FLOODThe Flatts, WVREPORT OF SIGNIFICANT DAMAGE TO PAVEMENT AND PARKING LOTS IN AREA DUE TO FLOODING. TIME ESTIMATED BASED ON RADAR.
Jun 13, 4:07 PM EDTFLASH FLOODMasontown, WVDECKERS CREEK IS OUT OF ITS BANKS AND FLOODING 6-10 MOBILE HOMES. WATER IS INTO THE NEARBY VEHICLES. THE FIRE DEPARTMENT IS GOING DOOR TO DOOR EVACUATING RESIDENTS. ROUTE 7 IS IMPASSIBLE.
Jun 13, 4:07 PM EDTFLASH FLOODMasontown, WVDILLON CREEK IS OUT OF ITS BANKS AND FLOODING 6-10 MOBILE HOMES. WATER IS COVERING VEHICLES. THE FIRE DEPARTMENT IS DOING WATER RESCUES OF RESIDENTS. ROUTE 7 IS IMPASSIBLE.

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, 6.3 hours before the alert went out and 95 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 2021-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1001 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 2021-06-13The 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
1001 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

As transmitted.

140 
WGUS51 KPBZ 131816
FFWPBZ
WVC061-077-132115-
/O.NEW.KPBZ.FF.W.0003.210613T1816Z-210613T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
216 PM EDT Sun Jun 13 2021

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
  Central Preston County in northeastern West Virginia...
  Eastern Monongalia County in northern West Virginia...

* Until 515 PM EDT.

* At 216 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 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...
  Morgantown, Westover, Kingwood, Star City, Rowlesburg, Granville, 
  Brookhaven, Cassville, Reedsville, Masontown, Albright, Tunnelton, 
  Gladesville, Browns Chapel, Cheat Lake, Booth, Osage and Core.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3972 8016 3972 7994 3958 7970 3940 7952
      3930 7971

FLASH FLOOD...RADAR INDICATED

$$
3 follow-up statements
956 
WGUS71 KPBZ 131902
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
302 PM EDT Sun Jun 13 2021

WVC061-077-132115-
/O.CON.KPBZ.FF.W.0003.000000T0000Z-210613T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monongalia WV-Preston WV-
302 PM EDT Sun Jun 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT THIS 
AFTERNOON FOR CENTRAL PRESTON AND EASTERN MONONGALIA COUNTIES...

At 302 PM EDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1 and 2.5 inches of rain have 
fallen and up to 1 inch of additional rainfall is expected. Reports 
indicate multiple roads are flooded in the Morgantown area.

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...
  Morgantown, Westover, Kingwood, Star City, Rowlesburg, Granville, 
  Brookhaven, Cassville, Reedsville, Masontown, Albright, Tunnelton, 
  Gladesville, Browns Chapel, Cheat Lake, Booth, Osage and Core.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3972 8016 3972 7994 3958 7970 3940 7952
      3930 7971

FLASH FLOOD...RADAR INDICATED

$$
344 
WGUS71 KPBZ 131921
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
321 PM EDT Sun Jun 13 2021

WVC061-077-132115-
/O.CON.KPBZ.FF.W.0003.000000T0000Z-210613T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monongalia WV-Preston WV-
321 PM EDT Sun Jun 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM EDT THIS 
AFTERNOON FOR CENTRAL PRESTON AND EASTERN MONONGALIA COUNTIES...

At 321 PM EDT, Emergency management reported multiple roadways 
flooded in Morgantown and Masontown. Between 1 and 2.5 inches of 
rain have fallen.

HAZARD...Flash flooding caused by thunderstorms.

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...
  Morgantown, Westover, Kingwood, Star City, Rowlesburg, Granville, 
  Brookhaven, Cassville, Reedsville, Masontown, Albright, Tunnelton, 
  Gladesville, Browns Chapel, Cheat Lake, Booth, Osage and Core.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3972 8016 3972 7994 3958 7970 3940 7952
      3930 7971

FLASH FLOOD...OBSERVED

$$
790 
WGUS71 KPBZ 132027
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
427 PM EDT Sun Jun 13 2021

WVC061-077-132037-
/O.CAN.KPBZ.FF.W.0003.000000T0000Z-210613T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Monongalia WV-Preston WV-
427 PM EDT Sun Jun 13 2021

...FLASH FLOOD WARNING FOR CENTRAL PRESTON AND EASTERN MONONGALIA 
COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...

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 3972 8016 3972 7994 3958 7970 3940 7952
      3930 7971

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 13, 11:51 AM EDTSpecial Weather StatementPBZPreston24 min
Jun 13, 12:31 PM EDTSpecial Weather StatementPBZOhio29 min
Jun 13, 12:50 PM EDTSevere Thunderstorm WarningPBZPreston, Tucker25 min
Jun 13, 1:06 PM EDTSevere Thunderstorm WarningPBZMonongalia, Preston24 min
Jun 13, 1:26 PM EDTSevere Thunderstorm WarningPBZPreston, Tucker49 min
Jun 13, 1:37 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston38 min
Jun 13, 1:57 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia20 min
Jun 13, 2:08 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia33 min
Jun 13, 2:32 PM EDTAreal Flood AdvisoryPBZPreston, Tucker118 min
Jun 13, 2:40 PM EDTSevere Thunderstorm WarningPBZMarion, Wetzel35 min
Jun 13, 3:11 PM EDTAreal Flood AdvisoryPBZMarion, Monongalia64 min
Jun 13, 3:13 PM EDTSevere Thunderstorm WarningPBZMarion, Monongalia, Preston47 min
Jun 13, 3:38 PM EDTFlash Flood WarningPBZMarion, Monongalia50 min
Jun 13, 4:27 PM EDTAreal Flood WarningPBZPreston48 min
Jun 13, 5:18 PM EDTAreal Flood AdvisoryPBZMarion, Monongalia, Preston, Tucker117 min
Jun 13, 6:21 PM EDTSevere Thunderstorm WarningPBZMarshall, Ohio39 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.