Alert archive / Pennsylvania / Flash Flood Warnings in 2015
Flash Flood Warning 21, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Jun 15, 2015, 7:33 PM EDT for 4 counties in Pennsylvania. It was in force for 12 hr. 17 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
- Jun 15, 2015, 7:33 PM EDT (23:33 UTC)
- Expired
- Jun 16, 2015, 7:54 AM EDT
- In force
- 12 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Allegheny County, PA, Armstrong County, PA, Butler County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 53 km from the middle of the area, began a volume at 23:33 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 15, 7:49 PM EDT | FLASH FLOOD | Karns, PA | NEIGHBORHOOD OF ELBROOK DR FLOODED |
| Jun 15, 7:51 PM EDT | FLASH FLOOD | Weinel Crossroads, PA | SOUTH LEECHBURG HILL RD AND RT 365 UNDER 2 FEET OF WATER WITH VEHICLE IMMOBILIZED |
| Jun 15, 8:06 PM EDT | FLASH FLOOD | 1 N Vandergrift, PA | AIRPORT RD IS FLOODED IN VANDERGRIFT |
| Jun 15, 8:45 PM EDT | FLASH FLOOD | 1 N Tarentum, PA | ROADWAY FLOODING OVER THE SIDEWALKS IN FAWN TOWNSHIP |
| Jun 15, 9:07 PM EDT | FLASH FLOOD | 1 S Leechburg, PA | MULTIPLE REPORTS OF ROADWAY AND BASEMENT FLOODING IN ALLEGHENY TOWNSHIP |
| Jun 15, 9:07 PM EDT | FLASH FLOOD | 2 S Leechburg, PA | MUDSLIDE ONTO PINE RUN RD |
| Jun 15, 9:07 PM EDT | FLASH FLOOD | Oklahoma, PA | FLOODING ON HANCOCK ST |
| Jun 15, 9:19 PM EDT | FLASH FLOOD | 1 N Natrona, PA | MULTIPLE REPORTS OF FEET OF WATER ALONG CANAL ST IN HARRISON TOWNSHIP |
| Jun 15, 9:51 PM EDT | FLASH FLOOD | Kiskimere, PA | MULTIPLE REPORTS OF LANDSLIDES...STREETS WASHED OUT...ROAD FLOODING...AND BASEMENT FLOODING IN KISKI TWP...N APPOLLO...APPOLLO...AND LEECHBURG |
| Jun 15, 11:00 PM EDT | FLASH FLOOD | 1 W Broadview, PA | LANDSLIDE ONTO DAYS RUN RD IN FRAZER TWP |
| Jun 15, 11:00 PM EDT | FLASH FLOOD | Brackenridge, PA | WATER FLOWING INTO RESIDENCES |
| Jun 15, 11:07 PM EDT | FLASH FLOOD | Culmerville, PA | SAXONBURG RD FLOODED NEAR WEST DEER NUMBER2 FIRE COMPANY |
| Jun 15, 11:14 PM EDT | FLASH FLOOD | 1 W Compton, PA | BRIDGE WASHED OUT AND WATER RUNNING INTO AREA HOMES ON METZ RD |
| Jun 15, 11:14 PM EDT | HEAVY RAIN 2.28 | Lower Burrell, PA | RAINFALL TONIGHT AFTER 2.20 LAST NIGHT |
| Jun 15, 11:17 PM EDT | FLASH FLOOD | Harrison Township, PA | WATER FLOWING INTO HOMES |
| Jun 15, 11:35 PM EDT | FLASH FLOOD | 2 Ssw Apollo, PA | PINE RUN RD...MARKLE RD...SPRING HOLLOW RD...BOWMAN RD...ALL FLOODED IN PORTIONS OF WASHINGTON TWP |
| Jun 16, 3:24 AM EDT | FLASH FLOOD | 1 Wnw Oklahoma, PA | SR 356 IS CLOSED FROM LABELL VUE DR TO ORR AVE IN ALLEGHENY TWP |
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, 11.6 hours before the alert went out and 48 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
- 95 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 638 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
283
WGUS51 KPBZ 152333
FFWPBZ
PAC003-005-019-129-160230-
/O.NEW.KPBZ.FF.W.0021.150615T2333Z-150616T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
733 PM EDT MON JUN 15 2015
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN ARMSTRONG COUNTY IN WEST CENTRAL PENNSYLVANIA...
SOUTHEASTERN BUTLER COUNTY IN WEST CENTRAL PENNSYLVANIA...
NORTHEASTERN ALLEGHENY COUNTY IN SOUTHWESTERN PENNSYLVANIA...
NORTHWESTERN WESTMORELAND COUNTY IN SOUTHWESTERN PENNSYLVANIA...
* UNTIL 1030 PM EDT
* AT 732 PM EDT...DOPPLER RADAR INDICATED A GROUP OF THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VANDERGRIFT...APOLLO...NEW KENSINGTON...LOWER BURRELL...HARRISON
TOWNSHIP...ARNOLD...TARENTUM...NATRONA HEIGHTS...BRACKENRIDGE...
LEECHBURG...SARVER...FREEPORT...SAXONBURG...NORTH APOLLO...WEST
LEECHBURG...CURTISVILLE...AVONMORE...ORCHARD HILLS...OKLAHOMA AND
EAST VANDERGRIFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING BY CALLING 412-262-1988...POSTING TO THE
NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER AT NWSPITTSBURGH.
&&
LAT...LON 4054 7944 4052 7946 4049 7946 4046 7955
4067 7992 4077 7992 4082 7986 4064 7935
$$
TAX4 follow-up statements
992
WGUS71 KPBZ 160104
FFSPBZ
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
904 PM EDT MON JUN 15 2015
PAC003-005-019-129-160230-
/O.CON.KPBZ.FF.W.0021.000000T0000Z-150616T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ARMSTRONG PA-BUTLER PA-ALLEGHENY PA-WESTMORELAND PA-
904 PM EDT MON JUN 15 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT FOR
SOUTHWESTERN ARMSTRONG...SOUTHEASTERN BUTLER...NORTHEASTERN ALLEGHENY
AND NORTHWESTERN WESTMORELAND COUNTIES...
AT 858 PM EDT...DOPPLER RADAR INDICATED ADDITIONAL THUNDERSTORMS
MOVING TOWARDS THE WARNING AREA. THESE WILL AGAIN PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA.
FLASH FLOODING HAS BEEN REPORTED BY EMERGENCY MANAGEMENT IN THE
TOWNS OF LOWER BURRELL...HARRISON TOWNSHIP...AND VANDERGRIFT.
SOME ADDITIONAL LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VANDERGRIFT...APOLLO...NEW KENSINGTON...ARNOLD...TARENTUM...NATRONA
HEIGHTS...BRACKENRIDGE...LEECHBURG...SARVER...FREEPORT...SAXONBURG...
NORTH APOLLO...WEST LEECHBURG...CURTISVILLE...AVONMORE...ORCHARD
HILLS...OKLAHOMA AND EAST VANDERGRIFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
PLEASE REPORT FLOODING BY CALLING 412-262-1988...POSTING TO THE
NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER AT NWSPITTSBURGH.
&&
LAT...LON 4054 7944 4052 7946 4049 7946 4046 7955
4067 7992 4077 7992 4082 7986 4064 7935
$$
TAX215
WGUS51 KPBZ 160210
FFWPBZ
PAC003-005-019-129-160730-
/O.EXT.KPBZ.FF.W.0021.000000T0000Z-150616T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
1010 PM EDT MON JUN 15 2015
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN ARMSTRONG COUNTY IN WEST CENTRAL PENNSYLVANIA...
SOUTHEASTERN BUTLER COUNTY IN WEST CENTRAL PENNSYLVANIA...
NORTHEASTERN ALLEGHENY COUNTY IN SOUTHWESTERN PENNSYLVANIA...
NORTHWESTERN WESTMORELAND COUNTY IN SOUTHWESTERN PENNSYLVANIA...
* UNTIL 330 AM EDT
* AT 1009 PM EDT...LOCAL LAW ENFORCEMENT REPORTED A THUNDERSTORM
PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL AMOUNTS OF
THREE TO FIVE INCHES OF RAIN HAVE FALLEN SINCE LAST EVENING. FLASH
FLOODING IS ALREADY OCCURRING. ONE TO TWO INCHES OF ADDITIONAL
RAINFALL ARE EXPECTED IN THE NEXT HOUR OR TWO.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
VANDERGRIFT...APOLLO...NEW KENSINGTON...LOWER BURRELL...HARRISON
TOWNSHIP...ARNOLD...TARENTUM...NATRONA HEIGHTS...BRACKENRIDGE...
LEECHBURG...SARVER...FREEPORT...SAXONBURG...NORTH APOLLO...WEST
LEECHBURG...CURTISVILLE...AVONMORE...ORCHARD HILLS...OKLAHOMA AND
EAST VANDERGRIFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
PLEASE REPORT FLOODING BY CALLING 412-262-1988...POSTING TO THE
NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER AT NWSPITTSBURGH.
&&
LAT...LON 4054 7944 4052 7946 4049 7946 4046 7955
4067 7992 4077 7992 4082 7986 4064 7935
$$
FRIES780
WGUS51 KPBZ 160719
FFWPBZ
PAC003-005-019-129-161230-
/O.EXT.KPBZ.FF.W.0021.000000T0000Z-150616T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
318 AM EDT TUE JUN 16 2015
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN ARMSTRONG COUNTY IN WEST CENTRAL PENNSYLVANIA...
SOUTHEASTERN BUTLER COUNTY IN WEST CENTRAL PENNSYLVANIA...
NORTHEASTERN ALLEGHENY COUNTY IN SOUTHWESTERN PENNSYLVANIA...
NORTHWESTERN WESTMORELAND COUNTY IN SOUTHWESTERN PENNSYLVANIA...
* UNTIL 830 AM EDT
* AT 318 AM EDT...LOCAL LAW ENFORCEMENT REPORTED NUMEROUS ROAD
CLOSURES AND OTHER FLOOD RELATED PROBLEMS ACROSS THE WARNED AREA.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1.5 INCHES IS POSSIBLE IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
PLEASE REPORT FLOODING BY CALLING 412-262-1988...POSTING TO THE
NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER AT NWSPITTSBURGH.
&&
LAT...LON 4054 7944 4052 7946 4049 7946 4046 7955
4067 7992 4077 7992 4082 7986 4064 7935
$$885
WGUS71 KPBZ 161154
FFSPBZ
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
754 AM EDT TUE JUN 16 2015
PAC003-005-019-129-161202-
/O.CAN.KPBZ.FF.W.0021.000000T0000Z-150616T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ARMSTRONG PA-BUTLER PA-ALLEGHENY PA-WESTMORELAND PA-
754 AM EDT TUE JUN 16 2015
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN ARMSTRONG...SOUTHEASTERN
BUTLER...NORTHEASTERN ALLEGHENY AND NORTHWESTERN WESTMORELAND
COUNTIES IS CANCELLED...
THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED
TO POSE A THREAT.
LAT...LON 4054 7944 4052 7946 4049 7946 4046 7955
4067 7992 4077 7992 4082 7986 4064 7935
$$
34The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:08 PM EDT | Special Weather Statement | PBZ | Indiana | 67 min |
| Jun 14, 8:11 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 49 min |
| Jun 14, 8:18 PM EDT | Tornado Warning | PBZ | Armstrong, Indiana, Westmoreland | 42 min |
| Jun 14, 8:38 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Jun 14, 8:56 PM EDT | Areal Flood Advisory | PBZ | Butler, Lawrence, Mercer | 3 hr |
| Jun 14, 8:59 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 46 min |
| Jun 14, 9:08 PM EDT | Flash Flood Warning | PBZ | Allegheny | 9 hr |
| Jun 14, 9:10 PM EDT | Tornado Warning | PBZ | Allegheny, Westmoreland | 35 min |
| Jun 14, 9:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 47 min |
| Jun 14, 9:33 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 27 min |
| Jun 14, 9:37 PM EDT | Flash Flood Warning | PBZ | Beaver | 8 hr |
| Jun 14, 9:42 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jun 14, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 48 min |
| Jun 14, 9:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 34 min |
| Jun 14, 10:01 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer | 6 hr |
| Jun 14, 10:05 PM EDT | Special Weather Statement | PBZ | Washington | 40 min |
| Jun 14, 10:16 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 10 hr |
| Jun 14, 10:28 PM EDT | Special Weather Statement | PBZ | Westmoreland | 47 min |
| Jun 14, 10:31 PM EDT | Special Weather Statement | PBZ | Fayette | 44 min |
| Jun 14, 10:32 PM EDT | Flash Flood Warning | PBZ | Indiana | 6 hr |
| Jun 14, 10:49 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 39 min |
| Jun 14, 11:14 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 9 hr |
| Jun 15, 12:20 AM EDT | Areal Flood Advisory | PBZ | Washington | 3 hr |
| Jun 15, 12:33 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 27 min |
| Jun 15, 12:46 AM EDT | Flash Flood Warning | PBZ | Allegheny | 5 hr |
| Jun 15, 1:11 AM EDT | Areal Flood Advisory | PBZ | Armstrong | 3 hr |
| Jun 15, 2:17 AM EDT | Special Weather Statement | PBZ | Westmoreland | 13 min |
| Jun 15, 6:22 AM EDT | Areal Flood Advisory | PBZ | Allegheny | 4 hr |
| Jun 15, 7:59 AM EDT | Areal Flood Advisory | PBZ | Westmoreland | 3 hr |
| Jun 15, 5:09 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer, Venango | 3 hr |
| Jun 15, 5:40 PM EDT | Special Weather Statement | PBZ | Butler | 35 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2015Every flash flood warning in 2015
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.