Flash Flood Warning 39, NWS Pittsburgh, PA

Issued

Aug 31, 2021, 5:52 PM EDT (21:52 UTC)

Expired

Aug 31, 2021, 7:45 PM EDT

In force

113 min

Issued by

NWS Pittsburgh, PA

Area

Storm-based polygon

Flood severity

None

Counties Belmont County, OH, Jefferson County, OH, Allegheny County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Ohio County, WV

The Pittsburgh radar (KPBZ), 36 km from the middle of the area, began a volume at 21:55 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.

746 
WGUS51 KPBZ 312152
FFWPBZ
OHC013-081-PAC003-125-129-WVC009-069-312345-
/O.NEW.KPBZ.FF.W.0039.210831T2152Z-210831T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
552 PM EDT Tue Aug 31 2021

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
  Northeastern Belmont County in east central Ohio...
  Southeastern Jefferson OH County in east central Ohio...
  Southwestern Allegheny County in southwestern Pennsylvania...
  Central Washington County in southwestern Pennsylvania...
  Western Westmoreland County in southwestern Pennsylvania...
  Brooke County in northern West Virginia...
  Ohio County in northern West Virginia...

* Until 745 PM EDT.

* At 552 PM EDT, Doppler radar indicated heavy rain across the 
  warned area. Between 1 and 2 inches of rain have fallen. 
  Additional rainfall amounts up to 1 inch 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. Ground is
           already saturated, and more rain is expected on top of
           ongoing minor flooding.

* Some locations that will experience flash flooding include...
  Bethel Park, Wheeling, McMurray, Washington, Canonsburg, Martins 
  Ferry, Warwood, Wellsburg, West Liberty, Avella, Clearview, Valley 
  Grove, Gastonville, West Mifflin, Baldwin, Upper St. Clair, South 
  Park Township, Cecil-Bishop, Jefferson Hills and Pleasant Hills.

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.

&&

LAT...LON 4018 8087 4021 8082 4029 8052 4036 8027
      4036 8013 4034 8000 4032 7989 4027 7982
      4020 7980 4018 7996 4013 8016 4012 8036
      4009 8062 4011 8082

FLASH FLOOD...RADAR INDICATED

$$

JL

108 
WGUS71 KPBZ 312253
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
653 PM EDT Tue Aug 31 2021

OHC013-081-PAC003-125-129-WVC009-069-312345-
/O.CON.KPBZ.FF.W.0039.000000T0000Z-210831T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Belmont OH-Jefferson OH OH-Allegheny PA-Washington PA-
Westmoreland PA-Brooke WV-Ohio WV-
653 PM EDT Tue Aug 31 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM EDT THIS 
EVENING FOR NORTHEASTERN BELMONT, SOUTHEASTERN JEFFERSON OH, 
SOUTHWESTERN ALLEGHENY, CENTRAL WASHINGTON, WESTERN WESTMORELAND, 
BROOKE AND OHIO COUNTIES...

At 653 PM EDT, local law enforcement reported heavy rain across the 
warned area. Between 1 and 2 inches of rain have fallen. Additional 
rainfall amounts up to 1 inch are possible in the warned area. Flash 
flooding is ongoing.

HAZARD...Flash flooding caused by heavy rain.

SOURCE...Law enforcement 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...
  Bethel Park, Wheeling, McMurray, Washington, Canonsburg, Martins 
  Ferry, Warwood, Wellsburg, West Liberty, Avella, Clearview, Valley 
  Grove, Gastonville, West Mifflin, Baldwin, Upper St. Clair, South 
  Park Township, Cecil-Bishop, Jefferson Hills and Pleasant Hills.

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.

&&

LAT...LON 4018 8087 4021 8082 4029 8052 4036 8027
      4036 8013 4034 8000 4032 7989 4027 7982
      4020 7980 4018 7996 4013 8016 4012 8036
      4009 8062 4011 8082

FLASH FLOOD...OBSERVED

$$

JL

190 
WGUS71 KPBZ 312336
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
736 PM EDT Tue Aug 31 2021

OHC013-081-PAC003-125-129-WVC009-069-312346-
/O.EXP.KPBZ.FF.W.0039.000000T0000Z-210831T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Belmont OH-Jefferson OH OH-Allegheny PA-Washington PA-
Westmoreland PA-Brooke WV-Ohio WV-
736 PM EDT Tue Aug 31 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 745 PM EDT THIS EVENING FOR 
NORTHEASTERN BELMONT, SOUTHEASTERN JEFFERSON OH, SOUTHWESTERN 
ALLEGHENY, CENTRAL WASHINGTON, WESTERN WESTMORELAND, BROOKE AND OHIO 
COUNTIES...

The heavy rain has ended. Please continue to heed remaining road 
closures.
Heavy rain is expected to return overnight, so remain tuned in for 
new flood warnings if they're issued.

LAT...LON 4018 8087 4021 8082 4029 8052 4036 8027
      4036 8013 4034 8000 4032 7989 4027 7982
      4020 7980 4018 7996 4013 8016 4012 8036
      4009 8062 4011 8082

$$

JL

Flash Flood Warnings in Pennsylvania, 2021Flash Flood Warnings in Ohio, 2021Flash Flood Warnings in West Virginia, 2021Every flash flood warning in 2021

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.