Alert archive / Pennsylvania / Flash Flood Warnings in 2016
Flash Flood Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 25, 2016, 7:17 PM EDT for Burlington County, Camden County, New Jersey; 5 counties in Pennsylvania. It was in force for 4 hr. 2 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
- Jul 25, 2016, 7:17 PM EDT (23:17 UTC)
- Expired
- Jul 25, 2016, 11:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 57 km from the middle of the area, began a volume at 23:20 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 |
|---|---|---|---|
| Jul 25, 7:20 PM EDT | FLASH FLOOD | Bensalem, PA | STATION AVENUE UNDERPASS AT INTERSTATE 95 RAPIDLY FLOODED WITH A SEPTA BUS STUCK IN THE FLOOD WATERS. FAST MOVING WATER IN THE BACK OF THE CORNWALL APARTMENTS. |
| Jul 25, 7:35 PM EDT | FLASH FLOOD | Philadelphia, PA | FRANKFORD AND PENNYPACK CREEKS RAPIDLY ROSE ABOVE FLOOD STAGE AND THEN RECEDED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.3 hours before the alert went out and 213 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
- 136 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1205 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
580
WGUS51 KPHI 252317
FFWPHI
NJC005-007-PAC017-029-045-091-101-260315-
/O.NEW.KPHI.FF.W.0024.160725T2317Z-160726T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
717 PM EDT MON JUL 25 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
EAST CENTRAL CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
DELAWARE COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 1115 PM EDT
* AT 716 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
VERY HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN
HAVE ALREADY FALLEN.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...BENSALEM...
EVESHAM...MOUNT LAUREL...NORRISTOWN...WILLINGBORO...MEDFORD...
WEST NORRITON...EAST NORRITON...LUMBERTON...FLORENCE...YEADON...
BURLINGTON...BRISTOL...MOUNT HOLLY...RIVERSIDE AND CONSHOHOCKEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3988 7513 3989 7514 3988 7518 3989 7552
4016 7545 4014 7461 3985 7445
$$
GORSE2 follow-up statements
460
WGUS71 KPHI 252349
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
749 PM EDT MON JUL 25 2016
NJC005-007-PAC017-029-045-091-101-260315-
/O.CON.KPHI.FF.W.0024.000000T0000Z-160726T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-BURLINGTON NJ-CHESTER PA-BUCKS PA-DELAWARE PA-
MONTGOMERY PA-PHILADELPHIA PA-
749 PM EDT MON JUL 25 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
NORTHWESTERN CAMDEN...NORTHERN BURLINGTON...EAST CENTRAL CHESTER...
SOUTHEASTERN BUCKS...DELAWARE...SOUTHEASTERN MONTGOMERY AND
PHILADELPHIA COUNTIES...
AT 745 PM EDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED A
CLUSTER OF SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAIN
SLOWLY MOVING SOUTHEASTWARD ACROSS THE WARNED AREA. UP TO TWO INCHES
OF RAIN HAVE ALREADY FALLEN.
FLASH FLOODING WAS REPORTED IN BENSALEM, BUCKS COUNTY. IN ADDITION,
THE FRANKFORD AND PENNYPACK CREEKS IN PHILADELPHIA COUNTY HAVE
RAPIDLY RISEN ABOVE FLOOD STAGE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...BENSALEM...
EVESHAM...MOUNT LAUREL...NORRISTOWN...WILLINGBORO...MEDFORD... WEST
NORRITON...EAST NORRITON...LUMBERTON...FLORENCE...YEADON...
BURLINGTON...BRISTOL...MOUNT HOLLY...RIVERSIDE AND CONSHOHOCKEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. STAY
AWAY FROM CREEKS.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3988 7513 3989 7514 3988 7518 3989 7552
4016 7545 4014 7461 3985 7445
$$
GORSE997
WGUS71 KPHI 260037
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
837 PM EDT MON JUL 25 2016
NJC005-007-PAC017-029-045-091-101-260315-
/O.CON.KPHI.FF.W.0024.000000T0000Z-160726T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-BURLINGTON NJ-CHESTER PA-BUCKS PA-DELAWARE PA-
MONTGOMERY PA-PHILADELPHIA PA-
837 PM EDT MON JUL 25 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM EDT FOR
NORTHWESTERN CAMDEN...NORTHERN BURLINGTON...EAST CENTRAL CHESTER...
SOUTHEASTERN BUCKS...DELAWARE...SOUTHEASTERN MONTGOMERY AND
PHILADELPHIA COUNTIES...
AT 834 PM EDT...DOPPLER RADAR INDICATED THE TORRENTIAL RAIN
PRODUCING THUNDERSTORMS HAVE MOVED OUT OF THE WARNED AREA, ALTHOUGH
SOME ADDITIONAL SHOWERS AND PERHAPS A THUNDERSTORM ARE ARRIVING FROM
THE WEST. RUNOFF WILL CONTINUE FOR AWHILE LONGER AND RESIDUAL
FLOODING CONTINUES.
THE LEVEL OF FRANKFORD AND PENNYPACK CREEKS IN PHILADELPHIA COUNTY
HAVE FALLEN BACK BELOW FLOOD STAGE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...BENSALEM...
EVESHAM...MOUNT LAUREL...NORRISTOWN...WILLINGBORO...MEDFORD...
WEST NORRITON...EAST NORRITON...LUMBERTON...FLORENCE...YEADON...
BURLINGTON...BRISTOL...MOUNT HOLLY...RIVERSIDE AND CONSHOHOCKEN.
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.
&&
LAT...LON 3988 7513 3989 7514 3988 7518 3989 7552
4016 7545 4014 7461 3985 7445
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 4:46 AM EDT | Special Weather Statement | PHI | Burlington, Camden, Mercer | 59 min |
| Jul 25, 4:54 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 51 min |
| Jul 25, 5:27 AM EDT | Special Weather Statement | PHI | Burlington, Ocean | 63 min |
| Jul 25, 6:17 AM EDT | Special Marine Warning | PHI | 88 min | |
| Jul 25, 7:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Jul 25, 7:59 AM EDT | Special Weather Statement | PHI | Ocean | 61 min |
| Jul 25, 8:04 AM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 25, 9:00 AM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 25, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Warren | 53 min |
| Jul 25, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 56 min |
| Jul 25, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 38 min |
| Jul 25, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 41 min |
| Jul 25, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Somerset | 45 min |
| Jul 25, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex, Warren | 46 min |
| Jul 25, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 48 min |
| Jul 25, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth | 47 min |
| Jul 25, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 44 min |
| Jul 25, 6:04 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jul 25, 6:17 PM EDT | Flash Flood Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 4 hr |
| Jul 25, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Somerset | 40 min |
| Jul 25, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Ocean | 62 min |
| Jul 25, 6:54 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 25, 6:55 PM EDT | Areal Flood Advisory | PHI | Burlington | 2 hr |
| Jul 25, 7:12 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Ocean | 63 min |
| Jul 25, 7:53 PM EDT | Special Weather Statement | PHI | Atlantic | 37 min |
| Jul 25, 7:58 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 44 min |
| Jul 25, 3:21 AM EDT | Special Weather Statement | PHI | Chester, Montgomery | 39 min |
| Jul 25, 3:55 AM EDT | Special Weather Statement | PHI | Bucks, Delaware, Montgomery, Philadelphia | 50 min |
| Jul 25, 4:19 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 25, 3:15 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 45 min |
| Jul 25, 4:00 PM EDT | Special Weather Statement | PHI | Lehigh | 30 min |
| Jul 25, 5:19 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 56 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2016Flash Flood Warnings in New Jersey, 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.