Alert archive / Pennsylvania / Flash Flood Warnings in 2017
Flash Flood Warning 13, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 13, 2017, 4:18 PM EDT for Beaver County, Lawrence County, Pennsylvania. It was in force for 3 hr. 1 report 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, 2017, 4:18 PM EDT (20:18 UTC)
- Expired
- Jun 13, 2017, 7:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Beaver County, PA, Lawrence County, PA
The radar
The Pittsburgh radar (KPBZ), 31 km from the middle of the area, began a volume at 20:21 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 |
|---|---|---|---|
| Jun 13, 4:48 PM EDT | FLASH FLOOD | Koppel, PA | SEVERAL STREETS CLOSED FROM VERY HEAVY RAINFALL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KAGC), launched 12:00Z, 8.3 hours before the alert went out and 47 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
- 762 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- -33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
578 WGUS51 KPBZ 132018 FFWPBZ PAC007-073-132315- /O.NEW.KPBZ.FF.W.0013.170613T2018Z-170613T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Pittsburgh PA 418 PM EDT TUE JUN 13 2017 The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Northeastern Beaver County in western Pennsylvania... Southeastern Lawrence County in western Pennsylvania... * Until 715 PM EDT. * At 416 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. 1 to 2 inches of rain has already fallen. Flash flooding is expected to begin shortly. * Some locations that will experience flooding include... New Castle, Beaver Falls, Monaca, Ellwood City, New Brighton, Beaver, Zelienople, Rochester, Patterson Township, Big Beaver, Freedom and New Beaver. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. This includes Pennsylvania Turnpike between mile markers 6 and 24. Please report flooding by calling 412-262-1988, posting to the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH. LAT...LON 4069 8015 4069 8042 4099 8042 4100 8016 $$
4 follow-up statements
823 WGUS71 KPBZ 132029 FFSPBZ Flash Flood Statement National Weather Service Pittsburgh PA 429 PM EDT TUE JUN 13 2017 PAC007-073-132315- /O.CON.KPBZ.FF.W.0013.000000T0000Z-170613T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaver PA-Lawrence PA- 429 PM EDT TUE JUN 13 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR NORTHEASTERN BEAVER AND SOUTHEASTERN LAWRENCE COUNTIES... At 428 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to two inches of rain have already fallen. Flash flooding is expected to begin shortly. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. This includes Pennsylvania Turnpike between mile markers 6 and 24. LAT...LON 4069 8015 4069 8042 4099 8042 4100 8016 $$
881 WGUS71 KPBZ 132104 FFSPBZ Flash Flood Statement National Weather Service Pittsburgh PA 504 PM EDT TUE JUN 13 2017 PAC007-073-132315- /O.CON.KPBZ.FF.W.0013.000000T0000Z-170613T2315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Beaver PA-Lawrence PA- 504 PM EDT TUE JUN 13 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR NORTHEASTERN BEAVER AND SOUTHEASTERN LAWRENCE COUNTIES... At 503 PM EDT, Doppler radar indicated thunderstorms producing heavy rain over Southern Lawrence county. Up to two inches of rain have already fallen. Rainfall intensity and coverage is decreasing. This includes Pennsylvania Turnpike between mile markers 6 and 24. LAT...LON 4069 8015 4069 8042 4099 8042 4100 8016 $$
608
WGUS71 KPBZ 132137
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
537 PM EDT TUE JUN 13 2017
PAC073-132145-
/O.CAN.KPBZ.FF.W.0013.000000T0000Z-170613T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lawrence PA-
537 PM EDT TUE JUN 13 2017
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN LAWRENCE COUNTY IS
CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 4084 8016 4083 8015 4078 8016 4069 8015
4069 8042 4085 8042 4085 8016
$$
PAC007-132315-
/O.CON.KPBZ.FF.W.0013.000000T0000Z-170613T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Beaver PA-
537 PM EDT TUE JUN 13 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR
NORTHEASTERN BEAVER COUNTY...
At 535 PM EDT, Doppler radar indicated light rain continuing to fall
over the warned area. 1 to 2 inches of rain have already fallen.
Rain is expected to decrease in coverage as the evening continues.
Flooding was reported near Fombell.
This includes Pennsylvania Turnpike between mile markers 9 and 24.
LAT...LON 4084 8016 4083 8015 4078 8016 4069 8015
4069 8042 4085 8042 4085 8016
$$943
WGUS71 KPBZ 132231
FFSPBZ
Flash Flood Statement
National Weather Service Pittsburgh PA
631 PM EDT TUE JUN 13 2017
PAC007-132240-
/O.CAN.KPBZ.FF.W.0013.000000T0000Z-170613T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Beaver PA-
631 PM EDT TUE JUN 13 2017
...THE FLASH FLOOD WARNING FOR NORTHEASTERN BEAVER COUNTY IS
CANCELLED...
The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.
LAT...LON 4084 8016 4083 8015 4078 8016 4069 8015
4069 8042 4085 8042 4085 8016
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 2:15 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 31 min |
| Jun 13, 2:46 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jun 13, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 45 min |
| Jun 13, 3:46 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 44 min |
| Jun 13, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 51 min |
| Jun 13, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 25 min |
| Jun 13, 4:21 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jun 13, 4:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 42 min |
| Jun 13, 4:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 48 min |
| Jun 13, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 45 min |
| Jun 13, 4:54 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jun 13, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 18 min |
| Jun 13, 7:14 PM EDT | Flash Flood Warning | PBZ | Allegheny | 5 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2017Every flash flood warning in 2017
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.