Flash Flood Warning 25, NWS Pittsburgh, PA

Issued

Aug 12, 2021, 9:57 PM EDT (01:57 UTC)

Expired

Aug 13, 2021, 12:19 AM EDT

In force

2 hr

Issued by

NWS Pittsburgh, PA

Area

Storm-based polygon

Flood severity

None

Counties Fayette County, PA, Washington County, PA, Westmoreland County, PA

The Pittsburgh radar (KPBZ), 88 km from the middle of the area, began a volume at 01:58 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.

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

187 
WGUS51 KPBZ 130157
FFWPBZ
PAC051-125-129-130500-
/O.NEW.KPBZ.FF.W.0025.210813T0157Z-210813T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
957 PM EDT Thu Aug 12 2021

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
  Northern Fayette County in southwestern Pennsylvania...
  Eastern Washington County in southwestern Pennsylvania...
  Southern Westmoreland County in southwestern Pennsylvania...

* Until 100 AM EDT.

* At 957 PM EDT, Doppler radar indicated thunderstorms producing 
  heavy rain across 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...
  Connellsville, Mount Pleasant, Scottdale, Youngwood, West Newton, 
  Brownsville, New Stanton, South Connellsville, Perryopolis, Seven 
  Springs, Calumet-Norvelt, Dunbar, Lynnwood-Pricedale, Roscoe, 
  Everson, Fayette City, Allenport, Stockdale, Republic and 
  Vanderbilt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4020 7984 4026 7965 4022 7910 4021 7911
      4020 7913 4018 7913 4018 7914 4016 7914
      4016 7916 4013 7917 4011 7918 4012 7921
      4011 7922 4010 7923 4009 7926 3997 7935
      3996 7989

FLASH FLOOD...RADAR INDICATED

$$

SH

377 
WGUS71 KPBZ 130314
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
1114 PM EDT Thu Aug 12 2021

PAC051-125-129-130500-
/O.CON.KPBZ.FF.W.0025.000000T0000Z-210813T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fayette PA-Washington PA-Westmoreland PA-
1114 PM EDT Thu Aug 12 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1 AM EDT FRIDAY FOR 
NORTHERN FAYETTE, EASTERN WASHINGTON AND SOUTHERN WESTMORELAND 
COUNTIES...

At 1114 PM EDT, the public reported flooding across the warned area. 

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public 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...
  Connellsville, Mount Pleasant, Scottdale, Youngwood, West Newton, 
  Brownsville, New Stanton, South Connellsville, Perryopolis, Seven 
  Springs, Calumet-Norvelt, Dunbar, Lynnwood-Pricedale, Roscoe, 
  Everson, Fayette City, Allenport, Stockdale, Republic and 
  Vanderbilt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4020 7984 4026 7965 4022 7910 4021 7911
      4020 7913 4018 7913 4018 7914 4016 7914
      4016 7916 4013 7917 4011 7918 4012 7921
      4011 7922 4010 7923 4009 7926 3997 7935
      3996 7989

FLASH FLOOD...OBSERVED

$$

SH

188 
WGUS71 KPBZ 130419
FFSPBZ

Flash Flood Statement
National Weather Service Pittsburgh PA
1219 AM EDT Fri Aug 13 2021

PAC051-125-129-130429-
/O.CAN.KPBZ.FF.W.0025.000000T0000Z-210813T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Fayette PA-Washington PA-Westmoreland PA-
1219 AM EDT Fri Aug 13 2021

...FLASH FLOOD WARNING FOR NORTHERN FAYETTE, EASTERN WASHINGTON AND 
SOUTHERN WESTMORELAND COUNTIES HAS BEEN REPLACED WITH A FLOOD 
WARNING...

Please continue to heed road closures.

LAT...LON 4020 7984 4026 7965 4022 7910 4021 7911
      4020 7913 4018 7913 4018 7914 4016 7914
      4016 7916 4013 7917 4011 7918 4012 7921
      4010 7923 4009 7926 3997 7935 3996 7989

$$

SH

Flash Flood Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.