Alert archive / Pennsylvania / River Flood Warnings in 2021
River Flood Warning 9, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this river flood warning at Mar 1, 2021, 2:40 PM EST for Allegheny County, Westmoreland County, Pennsylvania. It took effect at Mar 1, 2021, 6:28 PM EST. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 1, 2021, 2:40 PM EST (19:40 UTC)
- In effect from
- Mar 1, 2021, 6:28 PM EST
- Expired
- Mar 2, 2021, 1:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- Minor
Counties Allegheny County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 49 km from the middle of the area, began a volume at 19:44 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.
The river
Written for the forecast point Youghiogheny River at Sutersville (STSP1). The gauge peaked at 20.20 ft at Mar 1, 2021, 5:00 PM EST.
- Action stage
- 14.9 ft
- Minor stage
- 20 ft
- Moderate stage
- 21 ft
- Major stage
- 23 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 03083500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
963 WGUS41 KPBZ 011940 FLWPBZ BULLETIN - IMMEDIATE BROADCAST REQUESTED Flood Warning National Weather Service Pittsburgh PA 240 PM EST Mon Mar 1 2021 ...The National Weather Service in Pittsburgh PA has issued a Flood Warning for the following rivers in Pennsylvania... Youghiogheny River At Sutersville affecting Allegheny and Westmoreland Counties. .Rain and snowmelt have fueled a rapid rise in area rivers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at weather.gov/pbz. PAC003-129-020600- /O.NEW.KPBZ.FL.W.0009.210302T0000Z-210302T0600Z/ /STSP1.1.ER.210302T0000Z.210302T0000Z.210302T0000Z.NO/ 240 PM EST Mon Mar 1 2021 The National Weather Service in Pittsburgh has issued a * Flood Warning for the Youghiogheny River At Sutersville. * From this evening to late tonight. * At 2:15 PM EST Monday the stage was 19.7 feet. * Flood stage is 20.0 feet. * Minor flooding is forecast. * Forecast...The river is expected to rise to a crest of 20.0 feet this evening. * Impact...At 20.0 feet, Residential basement flooding in Sutersville begins in homes along the right bank. Flooding also begins in the West Newton business district 5 miles upstream. * Impact...At 20.7 feet, Flood reaches the level reached on March 5, 2015. * Impact...At 20.7 feet, Water reaches the level reached during Hurricane Ivan September 18, 2004. * Flood History...No available flood history. && LAT...LON 4021 7980 4026 7984 4027 7976 4023 7974 $$
2 follow-up statements
630
WGUS81 KPBZ 012328
FLSPBZ
Flood Statement
National Weather Service Pittsburgh PA
628 PM EST Mon Mar 1 2021
...The Flood Warning is extended for the following rivers in
Pennsylvania...
Monongahela River Near Elizabeth affecting Allegheny, Washington
and Westmoreland Counties.
Youghiogheny River At Sutersville affecting Allegheny and
Westmoreland Counties.
...The Flood Warning continues for the following rivers in
Pennsylvania...
Monongahela River At Grays Landing affecting Greene and Fayette
Counties.
Monongahela River At Point Marion affecting Greene and Fayette
Counties.
Youghiogheny River At Connellsville affecting Fayette County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Motorists should not attempt to drive around barricades or drive
cars through flooded areas.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at weather.gov/pbz.
PAC003-129-020700-
/O.EXT.KPBZ.FL.W.0009.210301T2328Z-210302T0700Z/
/STSP1.1.ER.210301T2021Z.210301T2245Z.210302T0100Z.NO/
628 PM EST Mon Mar 1 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Youghiogheny River At Sutersville.
* From this evening to late tonight.
* At 6:15 PM EST Monday the stage was 20.2 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:15 PM EST Monday was 20.2 feet.
* Forecast...The river is expected to rise to a crest of 20.2 feet
this evening. It will then fall below flood stage this evening.
* Impact...At 20.0 feet, Residential basement flooding in
Sutersville begins in homes along the right bank. Flooding also
begins in the West Newton business district 5 miles upstream.
* Impact...At 20.7 feet, Flood reaches the level reached on March 5,
2015.
* Impact...At 20.7 feet, Water reaches the level reached during
Hurricane Ivan September 18, 2004.
* Flood History...This crest compares to a previous crest of 20.7
feet on 03/05/2015.
&&
LAT...LON 4021 7980 4026 7984 4027 7976 4023 7974
$$
PAC051-020945-
/O.EXT.KPBZ.FL.W.0007.000000T0000Z-210302T0941Z/
/CLLP1.1.RS.210301T0231Z.210301T1545Z.210302T0341Z.NO/
628 PM EST Mon Mar 1 2021
...The Flood Warning is now in effect until late tonight...
The Flood Warning continues for
the Youghiogheny River At Connellsville.
* Until late tonight.
* At 6:15 PM EST Monday the stage was 12.8 feet.
* Flood stage is 12.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:15 PM EST Monday was 14.4 feet.
* Forecast...The river is expected to fall below flood stage late
this evening and continue falling to 5.2 feet early Saturday
afternoon.
* Impact...At 12.0 feet, Flooding begins in the vicinity of Yough
Park.
* Impact...At 14.0 feet, Several inches of water floods basements of
about 30 homes along left bank. River is bankful along the left
bank just downstream from the Crawford Street Bridge. Water
reaches the level of the Hurricane Ivan flood of September 18,
2004.
* Impact...At 14.1 feet, Water reaches level of March 3, 2015.
* Flood History...This crest compares to a previous crest of 11.6
feet on 02/08/2019.
&&
LAT...LON 3998 7961 4005 7963 4005 7959 3999 7957
$$
PAC051-059-020645-
/O.EXT.KPBZ.FL.W.0006.000000T0000Z-210302T0640Z/
/GYLP1.1.RS.210301T1138Z.210301T1730Z.210302T0040Z.NO/
628 PM EST Mon Mar 1 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Monongahela River At Grays Landing.
* Until late tonight.
* At 5:45 PM EST Monday the stage was 21.2 feet.
* Flood stage is 21.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 5:45 PM EST Monday was 21.8 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 13.5 feet early Saturday afternoon.
* Impact...At 19.0 feet, The bike trail floods in Greensboro near
County Street.
* Impact...At 21.0 feet, The lock at Grays Landing Lock and Dam goes
out of service, and navigation is suspended.
* Flood History...This crest compares to a previous crest of 22.1
feet on 02/17/2018.
&&
LAT...LON 3979 7992 3986 7995 3986 7991 3979 7989
$$
PAC003-125-129-021130-
/O.EXT.KPBZ.FL.W.0005.000000T0000Z-210303T0624Z/
/ELZP1.1.RS.210301T1509Z.210302T0600Z.210303T0024Z.NO/
628 PM EST Mon Mar 1 2021
...The Flood Warning is now in effect until early Wednesday
morning...
The Flood Warning continues for
the Monongahela River Near Elizabeth.
* Until late Tuesday night.
* At 6:15 PM EST Monday the stage was 22.4 feet.
* Flood stage is 20.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 6:15 PM EST Monday was 22.4 feet.
* Forecast...The river is expected to rise to a crest of 22.9 feet
just after midnight tonight. It will then fall below flood stage
tomorrow evening.
* Flood History...This crest compares to a previous crest of 24.5
feet on 02/17/2018.
&&
LAT...LON 4026 7994 4032 7988 4029 7984 4025 7990
$$
PAC051-059-020630-
/O.EXT.KPBZ.FL.W.0003.000000T0000Z-210302T0624Z/
/PMRP1.1.RS.210301T1218Z.210301T1715Z.210302T0024Z.UU/
628 PM EST Mon Mar 1 2021
...The Flood Warning is now in effect until just after midnight
tonight...
The Flood Warning continues for
the Monongahela River At Point Marion.
* Until late tonight.
* At 5:15 PM EST Monday the stage was 26.2 feet.
* Flood stage is 26.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending
at 5:15 PM EST Monday was 26.9 feet.
* Forecast...The river is expected to fall below flood stage this
evening and continue falling to 14.0 feet early Saturday afternoon.
* Flood History...This crest compares to a previous crest of 27.7
feet on 02/17/2018.
&&
LAT...LON 3979 7990 3977 7992 3972 7988 3972 7992
3978 7995
$$995 WGUS81 KPBZ 020228 FLSPBZ Flood Statement National Weather Service Pittsburgh PA 928 PM EST Mon Mar 1 2021 ...The Flood Warning is cancelled for the following rivers in Pennsylvania... Youghiogheny River At Sutersville affecting Allegheny and Westmoreland Counties. Youghiogheny River At Connellsville affecting Fayette County. .The Youghiogheny has fallen below flood stage and will continue to fall. PAC003-129-020330- /O.CAN.KPBZ.FL.W.0009.000000T0000Z-210302T0228Z/ /STSP1.1.ER.210301T2021Z.210301T2245Z.210302T0032Z.NO/ 928 PM EST Mon Mar 1 2021 ...The Flood Warning for the Youghiogheny River At Sutersville has been cancelled... The Flood Warning is cancelled for the Youghiogheny River At Sutersville. * At 9:15 PM EST Monday the stage was 19.6 feet. * Flood stage is 20.0 feet. * Forecast...The river is expected to fall to 6.9 feet early Saturday afternoon. && LAT...LON 4021 7980 4026 7984 4027 7976 4023 7974 $$ PAC051-020330- /O.CAN.KPBZ.FL.W.0007.000000T0000Z-210302T0228Z/ /CLLP1.1.RS.210301T0231Z.210301T1545Z.210302T0210Z.NO/ 928 PM EST Mon Mar 1 2021 ...The Flood Warning for the Youghiogheny River At Connellsville has been cancelled... The Flood Warning is cancelled for the Youghiogheny River At Connellsville. * At 9:15 PM EST Monday the stage was 11.9 feet. * Flood stage is 12.0 feet. * Forecast...The river is expected to fall to 5.2 feet early Saturday afternoon. && LAT...LON 3998 7961 4005 7963 4005 7959 3999 7957 $$
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 1, 5:27 AM EST | Areal Flood Advisory | PBZ | Fayette, Greene, Indiana, Washington, Westmoreland | 8 hr |
| Mar 1, 12:16 PM EST | Wind Advisory | PBZ | Fayette, Westmoreland | 7 hr |
Nearby
River Flood Warnings in Pennsylvania, 2021Every river 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.