Alert archive / Pennsylvania / Flash Flood Warnings in 2021
Flash Flood Warning 40, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Sep 1, 2021, 6:23 AM EDT for 7 counties in Pennsylvania; Brooke County, Hancock County, West Virginia; Jefferson County, Ohio. It was in force for 5 hr. 35 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, 6:23 AM EDT (10:23 UTC)
- Expired
- Sep 1, 2021, 11:23 AM EDT
- In force
- 5 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Jefferson County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Indiana County, PA, Washington County, PA, Westmoreland County, PA, Brooke County, WV, Hancock County, WV
The radar
The Pittsburgh radar (KPBZ), 14 km from the middle of the area, began a volume at 10:24 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 1, 6:24 AM EDT | FLASH FLOOD | 1 Nw Mount Lebanon, PA | WATER INTO RESIDENCE ON SALEM DRIVE, WITH FLOODING ALSO ON BOWER HILL ROAD |
| Sep 1, 6:30 AM EDT | FLASH FLOOD | Essen, PA | FLOODING ON SPRING VALLEY ROAD |
| Sep 1, 6:36 AM EDT | FLASH FLOOD | 1 E Bridgeville, PA | FLOODING ON MCLAUGHLIN RUN ROAD - ROAD BEING CLOSED |
| Sep 1, 6:49 AM EDT | FLASH FLOOD | Piney Fork, PA | VIDEO ON SOCIAL MEDIA SHOWING PINEY FORK OUT OF ITS BANKS AND FLOWING ONTO PINEY FORK ROAD |
| Sep 1, 6:50 AM EDT | FLASH FLOOD | Montrose Hill, PA | FLOODING ON THE 800 BLOCK OF FREEPORT ROAD - ROAD IS CLOSED |
| Sep 1, 6:53 AM EDT | FLASH FLOOD | Cherry City, PA | FLOODING ON SEAVEY ROAD. SCHOOL BUS DISABLED ON THE ROAD. |
| Sep 1, 6:56 AM EDT | FLASH FLOOD | 1 W Venice, PA | CAR STUCK IN WATER UP TO HEADLIGHTS |
| Sep 1, 6:56 AM EDT | FLASH FLOOD | Langeloth, PA | FLOODING ON LANGELOTH ROAD |
| Sep 1, 7:03 AM EDT | FLASH FLOOD | Bridgeville, PA | EVACUATIONS OCCURRING DUE TO FLOODING AT THE INTERSECTION OF BALDWIN STREET AND RAILROAD STREET. |
| Sep 1, 7:07 AM EDT | FLASH FLOOD | Wellsburg, WV | FLOODING ON ROUTE 2 |
| Sep 1, 7:20 AM EDT | FLASH FLOOD | Bauerstown, PA | FLOODING AT THE 1000 BLOCK OF EVERGEEN AVENUE, ROAD CLOSED |
| Sep 1, 7:26 AM EDT | FLASH FLOOD | 1 Nw Thompsonville, PA | REPORT OF A MALE TRAPPED IN A VEHICLE AT THE INTERSECTION OF HAHN DRIVE AND MAPLE LANE |
| Sep 1, 7:28 AM EDT | FLASH FLOOD | Mcconnells Mills, PA | WESTERN AVENUE CLOSED BETWEEN MEEDINGS ROAD AND MCCONNELLS MILL ROAD DUE TO FLOODING |
| Sep 1, 7:35 AM EDT | FLASH FLOOD | 1 E Stowe Township, PA | SCHOOL BUS STUCK IN WATER AT THE INTERSECTION OF OHIO STREET AND CENTER STREET. 2 ADULTS AND 7 CHILDREN TRAPPED. |
| Sep 1, 7:51 AM EDT | FLASH FLOOD | 1 S Boyer, PA | LIBARY ROAD CLOSED BETWEEN KINDS SCHOOL ROAD AND CLIFTON ROAD DUE TO FLOODING. RAIL LINE IN AREA CLOSED. |
| Sep 1, 7:53 AM EDT | FLASH FLOOD | West Library, PA | MULTIPLE HOUSES FLOODED ON CHURCH STREET |
| Sep 1, 8:00 AM EDT | FLASH FLOOD | Mcmurray, PA | THOMPSONVILLE ROAD CLOSED DUE TO LANDSLIDE. |
| Sep 1, 8:00 AM EDT | FLASH FLOOD | Mcmurray, PA | VALLEYBROOK ROAD FROM EAST MCMURRAY TO FRIAR; IMPASSABLE DUE TO FLOODING |
| Sep 1, 8:00 AM EDT | HEAVY RAIN 2.08 | 1 N Carnot-Moon, PA | 24-HOUR RAINFALL THROUGH 8AM |
| Sep 1, 8:00 AM EDT | HEAVY RAIN 2.08 | 1 N Carnot-Moon, PA | 24-HOUR RAINFALL THROUGH 8AM |
| Sep 1, 8:00 AM EDT | HEAVY RAIN 4.2 | Canonsburg, PA | 24-HOUR RAINFALL ACCUMULATION THROUGH 8 AM |
| Sep 1, 8:10 AM EDT | FLASH FLOOD | Millvale, PA | SOCIAL MEDIA VIDEO SHOWING GIRTYS RUN IN MILLVALE BY FREDERICK ST OVERFLOWING ONTO THE ROADS.. JUST SHY OF REACHING HOUSES. |
| Sep 1, 8:27 AM EDT | FLASH FLOOD | Oakdale, PA | MULTIPLE ROADS CLOSED DUE TO FLOODING |
| Sep 1, 8:36 AM EDT | FLASH FLOOD | 1 Se Metcalf, PA | HULTON ROAD FLOODED |
| Sep 1, 8:41 AM EDT | FLASH FLOOD | Oakdale, PA | ASSISTED LIVING FACILITY FLOODING AND BEING EVACUATED. 24 PEOPLE IN THE BUILDING. |
| Sep 1, 8:45 AM EDT | FLASH FLOOD | Morgan, PA | FLOODING ON BLYTE ROAD - RESIDENTS BEING EVACUATED |
| Sep 1, 9:00 AM EDT | FLASH FLOOD | Oakdale, PA | NOBLESTOWN ROAD FLOODED AND IMPASSABLE NEAR POLICE DEPT. |
| Sep 1, 9:11 AM EDT | FLASH FLOOD | 1 Ene Baldwin, PA | SWIFT WATER TEAM RESPONDING TO STREETS RUN ROAD FOR VEHICLE STUCK IN WATER WITH ONE OCCUPANT |
| Sep 1, 9:29 AM EDT | FLASH FLOOD | 1 Nw North Washington, PA | WATER ON GOLDFINCH LANE IS APPROXIMATELY WAIST DEEP. ABOUT 12 MOBILE HOMES HAVE WATER TO THEIR FRONT PORCH, FOUR FAMILIES EVACUATED |
| Sep 1, 9:40 AM EDT | FLASH FLOOD | Bethany, WV | CROSS CREEK ROAD AND BETHANY PIKE AMONG MANY ROADS CLOSED DUE TO HIGH WATERS AND DOWNED TREES. CITY OF BETHANY IS MINUS MANY ROUTES IN AT THIS TIME. |
| Sep 1, 9:46 AM EDT | FLASH FLOOD | 2 N North Washington, PA | YOCKEY ROAD FLOODED AND CLOSED NEAR PINE RUN ROAD |
| Sep 1, 9:57 AM EDT | FLASH FLOOD | Oakdale, PA | FLOODING IN OAKDALE BOROUGH. FIRE/POLICE STATIONS EVACUATED. APPROXIMATELY 18 INCHES OF WATER THROUGHOUT THE TOWN. |
| Sep 1, 10:27 AM EDT | FLASH FLOOD | 2 W Oklahoma, PA | FLOODING ON PARK ROAD. ROAD HAS BEEN CLOSED. |
| Sep 1, 10:45 AM EDT | HEAVY RAIN 4.3 | 2 Wsw Sample, PA | RAINFALL FOR TOTAL EVENT, 2.82 INCHES SINCE MIDNIGHT |
| Sep 1, 11:00 AM EDT | FLASH FLOOD | 1 S Oakmont, PA | FLOODING ON PLUM STREET BETWEEN 6TH STREET AND DARK HOLLOW ROAD |
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, 10.4 hours before the alert went out and 9 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.
- 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
The text
As transmitted.
142
WGUS51 KPBZ 011023
FFWPBZ
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011615-
/O.NEW.KPBZ.FF.W.0040.210901T1023Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Pittsburgh PA
623 AM EDT Wed Sep 1 2021
The National Weather Service in Pittsburgh has issued a
* Flash Flood Warning for...
Southeastern Jefferson OH County in east central Ohio...
Allegheny County in southwestern Pennsylvania...
Northwestern Washington County in southwestern Pennsylvania...
Northwestern Westmoreland County in southwestern Pennsylvania...
Southern Armstrong County in west central Pennsylvania...
Southeastern Butler County in west central Pennsylvania...
West Central Indiana County in west central Pennsylvania...
Southeastern Beaver County in western Pennsylvania...
Brooke County in northern West Virginia...
Hancock County in northern West Virginia...
* Until 1215 PM EDT.
* At 623 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 1 to 2.5 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...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township,
McCandless Township, Monroeville, Cranberry, Moon Township,
McMurray, Weirton, McKeesport, Steubenville, Franklin Park,
Aliquippa, Canonsburg, Vandergrift, Wellsburg, Apollo and Avella.
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.
&&
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4032 7986 4026 8004 4023 8016
4021 8030 4020 8060
FLASH FLOOD...RADAR INDICATED
$$
SH5 follow-up statements
519
WGUS71 KPBZ 011102
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
702 AM EDT Wed Sep 1 2021
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011615-
/O.CON.KPBZ.FF.W.0040.000000T0000Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson OH OH-Allegheny PA-Armstrong PA-Beaver PA-Butler PA-
Indiana PA-Washington PA-Westmoreland PA-Brooke WV-Hancock WV-
702 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN JEFFERSON OH, ALLEGHENY, NORTHWESTERN
WASHINGTON, NORTHWESTERN WESTMORELAND, SOUTHERN ARMSTRONG,
SOUTHEASTERN BUTLER, WEST CENTRAL INDIANA, SOUTHEASTERN BEAVER,
BROOKE AND HANCOCK COUNTIES...
At 702 AM EDT, local law enforcement reported heavy rain across the
warned area. Between 1.5 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2.5 inches are possible in the
warned area. Flash flooding is already occurring.
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...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township,
McCandless Township, Monroeville, Cranberry, Moon Township,
McMurray, Weirton, McKeesport, Steubenville, Franklin Park,
Aliquippa, Canonsburg, Vandergrift, Wellsburg, Apollo and Avella.
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.
&&
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4032 7986 4026 8004 4023 8016
4021 8030 4020 8060
FLASH FLOOD...OBSERVED
$$
SH783
WGUS71 KPBZ 011109
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
709 AM EDT Wed Sep 1 2021
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011615-
/O.CON.KPBZ.FF.W.0040.000000T0000Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson OH OH-Allegheny PA-Armstrong PA-Beaver PA-Butler PA-
Indiana PA-Washington PA-Westmoreland PA-Brooke WV-Hancock WV-
709 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN JEFFERSON OH, ALLEGHENY, NORTHWESTERN
WASHINGTON, NORTHWESTERN WESTMORELAND, SOUTHERN ARMSTRONG,
SOUTHEASTERN BUTLER, WEST CENTRAL INDIANA, SOUTHEASTERN BEAVER,
BROOKE AND HANCOCK COUNTIES...
At 709 AM EDT, local law enforcement reported heavy rain across the
warned area. Between 1.5 and 2 inches of rain have fallen.
Additional rainfall amounts of 1 to 2.5 inches are possible in the
warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Law enforcement reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township,
McCandless Township, Monroeville, Cranberry, Moon Township,
McMurray, Weirton, McKeesport, Steubenville, Franklin Park,
Aliquippa, Canonsburg, Vandergrift, Wellsburg, Apollo and Avella.
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.
&&
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4036 7977 4032 7986 4026 8004
4023 8016 4021 8030 4020 8060
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
SH538
WGUS71 KPBZ 011207
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
807 AM EDT Wed Sep 1 2021
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011615-
/O.CON.KPBZ.FF.W.0040.000000T0000Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson OH OH-Allegheny PA-Armstrong PA-Beaver PA-Butler PA-
Indiana PA-Washington PA-Westmoreland PA-Brooke WV-Hancock WV-
807 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN JEFFERSON OH, ALLEGHENY, NORTHWESTERN
WASHINGTON, NORTHWESTERN WESTMORELAND, SOUTHERN ARMSTRONG,
SOUTHEASTERN BUTLER, WEST CENTRAL INDIANA, SOUTHEASTERN BEAVER,
BROOKE AND HANCOCK COUNTIES...
At 807 AM EDT, local law enforcement reported heavy rain in
Bridgeville, South Park, Finleyville, Girty's Run . Between 2 and
2.5 inches of rain have fallen. Additional rainfall amounts of 1 to
2.5 inches are possible in the warned area. Flash flooding is
already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Law enforcement reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township,
McCandless Township, Monroeville, Cranberry, Moon Township,
McMurray, Weirton, McKeesport, Steubenville, Franklin Park,
Aliquippa, Canonsburg, Vandergrift, Wellsburg, Apollo and Avella.
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.
&&
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4036 7977 4032 7986 4026 8004
4023 8016 4021 8030 4020 8060
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
SH995
WGUS71 KPBZ 011335
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
935 AM EDT Wed Sep 1 2021
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011615-
/O.CON.KPBZ.FF.W.0040.000000T0000Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson OH OH-Allegheny PA-Armstrong PA-Beaver PA-Butler PA-
Indiana PA-Washington PA-Westmoreland PA-Brooke WV-Hancock WV-
935 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM EDT THIS
AFTERNOON FOR SOUTHEASTERN JEFFERSON OH, ALLEGHENY, NORTHWESTERN
WASHINGTON, NORTHWESTERN WESTMORELAND, SOUTHERN ARMSTRONG,
SOUTHEASTERN BUTLER, WEST CENTRAL INDIANA, SOUTHEASTERN BEAVER,
BROOKE AND HANCOCK COUNTIES...
At 935 AM EDT, local law enforcement reported heavy rain in
Bridgeville, South Park, Finleyville, Girty's Run . Between 2 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
already occurring.
HAZARD...Life threatening flash flooding. Heavy rain producing
flash flooding.
SOURCE...Law enforcement reported.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross Township,
McCandless Township, Monroeville, Cranberry, Moon Township,
McMurray, Weirton, McKeesport, Steubenville, Franklin Park,
Aliquippa, Canonsburg, Vandergrift, Wellsburg, Apollo and Avella.
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.
&&
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4036 7977 4032 7986 4026 8004
4023 8016 4021 8030 4020 8060
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
SH025
WGUS71 KPBZ 011523
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
1123 AM EDT Wed Sep 1 2021
OHC081-PAC003-005-007-019-063-125-129-WVC009-029-011533-
/O.CAN.KPBZ.FF.W.0040.000000T0000Z-210901T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jefferson OH OH-Allegheny PA-Armstrong PA-Beaver PA-Butler PA-
Indiana PA-Washington PA-Westmoreland PA-Brooke WV-Hancock WV-
1123 AM EDT Wed Sep 1 2021
...FLASH FLOOD WARNING FOR SOUTHEASTERN JEFFERSON OH, ALLEGHENY,
NORTHWESTERN WASHINGTON, NORTHWESTERN WESTMORELAND, SOUTHERN
ARMSTRONG, SOUTHEASTERN BUTLER, WEST CENTRAL INDIANA, SOUTHEASTERN
BEAVER, BROOKE AND HANCOCK COUNTIES HAS BEEN REPLACED WITH A FLOOD
ADVISORY...
Flood waters are receding. Please continue to heed remaining road
closures.
A Flash Flood Watch remains in effect until 200 AM EDT Thursday for
Portions of Pennsylvania. Portions of northern West Virginia.
LAT...LON 4023 8074 4039 8067 4048 8051 4049 8049
4067 8015 4067 8013 4070 8008 4079 7969
4081 7960 4077 7931 4068 7925 4059 7930
4044 7961 4036 7977 4032 7986 4026 8004
4023 8016 4021 8030 4020 8060
$$
SHThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 5:05 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Fayette, Washington, Westmoreland | 104 min |
| Sep 1, 7:16 AM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Westmoreland | 6 hr |
| Sep 1, 7:21 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 6 hr |
| Sep 1, 7:50 AM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Sep 1, 9:27 AM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Fayette, Greene, Indiana, Washington and 1 more | 4 hr |
| Sep 1, 10:26 AM EDT | Areal Flood Advisory | PBZ | Washington | 109 min |
| Sep 1, 11:23 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Washington and 1 more | 52 min |
| Sep 1, 11:30 AM EDT | River Flood Warning | PBZ | Indiana, Westmoreland | 16 hr |
| Sep 1, 11:30 AM EDT | River Flood Warning | PBZ | Fayette | 39 hr |
| Sep 1, 11:30 AM EDT | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 28 hr |
| Sep 1, 11:30 AM EDT | River Flood Warning | PBZ | Allegheny, Westmoreland | 40 hr |
| Sep 1, 11:30 AM EDT | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 33 hr |
| Sep 1, 1:15 PM EDT | Areal Flood Warning | PBZ | Fayette | 2 hr |
| Sep 1, 1:16 PM EDT | Areal Flood Warning | PBZ | Indiana, Westmoreland | 2 hr |
| Sep 1, 1:24 PM EDT | Areal Flood Warning | PBZ | Fayette, Indiana, Westmoreland | 2 hr |
| Sep 1, 1:02 PM EDT | Areal Flood Warning | PBZ | Noble | 31 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2021Flash Flood Warnings in West Virginia, 2021Flash Flood Warnings in Ohio, 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.