Alert archive / Pennsylvania / Flash Flood Warnings in 2016
Flash Flood Warning 3, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at May 29, 2016, 1:01 PM EDT for Allegheny County, Pennsylvania. It was in force for 3 hr. 6 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
- May 29, 2016, 1:01 PM EDT (17:01 UTC)
- Expired
- May 29, 2016, 4:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Allegheny County, PA
The radar
The Pittsburgh radar (KPBZ), 31 km from the middle of the area, began a volume at 17:02 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 |
|---|---|---|---|
| May 29, 1:17 PM EDT | FLASH FLOOD | Homestead, PA | FOREST AVE CLOSED |
| May 29, 1:17 PM EDT | FLASH FLOOD | Homestead Park, PA | FOREST AVE CLOSED |
| May 29, 1:44 PM EDT | FLASH FLOOD | 1 Sse Hays, PA | CARS ABANDONED AT INTERSECTION OF MIFFLIN RD AND LEBANON RD |
| May 29, 1:44 PM EDT | FLASH FLOOD | 1 Ssw West Homestead, PA | CARS ABANDONED AT INTERSECTION OF MIFFLIN RD AND LEBANON RD |
| May 29, 2:24 PM EDT | FLASH FLOOD | West Homestead, PA | MUDSLIDE ON ROADWAY AT THE CORNER OF FOREST AVE AND WEST 8TH AVE. |
| May 29, 3:04 PM EDT | FLASH FLOOD | 1 Wnw West Mifflin, PA | LEBANON ROAD DAMAGED BY FLOODING |
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, 5.0 hours before the alert went out and 18 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
- 231 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1300 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted.
957 WGUS51 KPBZ 291701 FFWPBZ PAC003-292000- /O.NEW.KPBZ.FF.W.0003.160529T1701Z-160529T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 101 PM EDT SUN MAY 29 2016 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL ALLEGHENY COUNTY IN SOUTHWESTERN PENNSYLVANIA... * UNTIL 400 PM EDT * AT 100 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... PITTSBURGH...WEST MIFFLIN...BALDWIN...WILKINSBURG...MUNHALL... SWISSVALE...FOREST HILLS...DUQUESNE...NORTH BRADDOCK...HOMESTEAD... EDGEWOOD...CHURCHILL...BRADDOCK...RANKIN...WEST HOMESTEAD... BRADDOCK HILLS AND WHITAKER. PLEASE REPORT FLOODING BY CALLING 4 1 2...2 6 2...1 9 8 8...POSTING TO THE NWS PITTSBURGH FACEBOOK PAGE...OR USING TWITTER @NWSPITTSBURGH. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 4044 7985 4037 7985 4037 7995 4044 7995 $$
2 follow-up statements
058 WGUS71 KPBZ 291752 FFSPBZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 152 PM EDT SUN MAY 29 2016 PAC003-292000- /O.CON.KPBZ.FF.W.0003.000000T0000Z-160529T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGHENY PA- 152 PM EDT SUN MAY 29 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM EDT FOR CENTRAL ALLEGHENY COUNTY... AT 148 PM EDT...EMERGENCY MANAGEMENT REPORTED FLOODED ROADWAYS WHILE AREA OBSERVATIONS INDICATED OVER TWO INCHES OF RAIN HAD BEEN OBSERVED NEAR THE WARNED AREA. FLASH FLOODING IS ALREADY OCCURING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... PITTSBURGH...WEST MIFFLIN...BALDWIN...WILKINSBURG...MUNHALL... SWISSVALE...FOREST HILLS...DUQUESNE...NORTH BRADDOCK...HOMESTEAD... EDGEWOOD...CHURCHILL...BRADDOCK...RANKIN...WEST HOMESTEAD... BRADDOCK HILLS AND WHITAKER. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 4044 7985 4037 7985 4037 7995 4044 7995 $$
267 WGUS71 KPBZ 291953 FFSPBZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PITTSBURGH PA 353 PM EDT SUN MAY 29 2016 PAC003-292001- /O.EXP.KPBZ.FF.W.0003.000000T0000Z-160529T2000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ ALLEGHENY PA- 353 PM EDT SUN MAY 29 2016 ...THE FLASH FLOOD WARNING FOR CENTRAL ALLEGHENY COUNTY WILL EXPIRE AT 400 PM EDT... THE HEAVY RAIN HAS ENDED AND NO NEW FLOODING IS EXPECTED TO OCCUR IN THE NEAR FUTURE. IF ADDITIONAL STORMS DEVELOP LATER TODAY OVER THE PREVIOUSLY WARNED AREAS ADDITIONAL PRODUCTS MAY BE NEEDED. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 4044 7985 4037 7985 4037 7995 4044 7995 $$
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 9:26 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| May 28, 10:41 PM EDT | Areal Flood Advisory | PBZ | Indiana, Westmoreland | 3 hr |
| May 29, 1:30 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 3 hr |
| May 29, 3:17 PM EDT | Areal Flood Advisory | PBZ | Fayette, Indiana, Westmoreland | 3 hr |
| May 29, 4:02 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| May 29, 7:26 PM EDT | Special Weather Statement | PBZ | Lawrence | 34 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2016Every flash flood warning in 2016
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.