Alert archive / New Jersey / Flash Flood Warnings in 2015
Flash Flood Warning 36, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 15, 2015, 5:36 AM EDT for 4 counties in New Jersey; Bucks County, Chester County, Philadelphia County, Pennsylvania. It was in force for 4 hr. 4 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 15, 2015, 5:36 AM EDT (09:36 UTC)
- Expired
- Jul 15, 2015, 9:30 AM 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, Gloucester County, NJ, Salem County, NJ, Bucks County, PA, Chester County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 09:39 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 15, 7:00 AM EDT | HEAVY RAIN 2.11 | Pitman, NJ | MULTI STORMS TUE MORNING AND EARLY WED. |
| Jul 15, 7:30 AM EDT | FLASH FLOOD | Washington Twp, NJ | PARTS OF BLACKHORSE PIKE AND GREENTREE ROAD CLOSED DUE TO HIGH WATER IN WASHINGTON TWP. |
| Jul 15, 7:40 AM EDT | HEAVY RAIN 2.96 | Harrison Twp, NJ | 2.96 INCHES OF RAIN IN SOUTHERN HARRISON TWP SINCE 5AM. |
| Jul 15, 8:00 AM EDT | FLOOD | Glassboro, NJ | MANY BASEMENTS FLOODED COUNTY-WIDE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 9.6 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
- 437 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1060 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 105 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
281
WGUS51 KPHI 150936
FFWPHI
NJC005-007-015-033-PAC017-029-101-151330-
/O.NEW.KPHI.FF.W.0036.150715T0936Z-150715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
536 AM EDT WED JUL 15 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHEASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN CHESTER COUNTY IN SOUTHEASTERN PENNSYLVANIA...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEASTERN PENNSYLVANIA...
CENTRAL PHILADELPHIA COUNTY IN SOUTHEASTERN PENNSYLVANIA...
* UNTIL 930 AM EDT
* AT 535 AM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE INCH OF RAIN HAS
ALREADY FALLEN WITHIN THE PAST 30 MINUTES IN THE WARNED AREA.
FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...BENSALEM...
EVESHAM...MOUNT LAUREL...WILLINGBORO...DEPTFORD...VOORHEES...
MEDFORD...WEST DEPTFORD...GLASSBORO...LINDENWOLD...LUMBERTON...
BELLMAWR...WOODBURY...BURLINGTON...MOUNT HOLLY AND PITMAN.
ADDITIONAL RAINFALL AMOUNTS OF ONE TO ONE AND A HALF INCHES ARE
POSSIBLE IN THE WARNED AREA.
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 3956 7511 3978 7544 3985 7533 3985 7525
3986 7522 3987 7522 3987 7526 3992 7525
4014 7493 3989 7461
$$
HEAVENER2 follow-up statements
804
WGUS71 KPHI 151056
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
656 AM EDT WED JUL 15 2015
NJC005-007-015-033-PAC017-029-101-151330-
/O.CON.KPHI.FF.W.0036.000000T0000Z-150715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-SALEM NJ-GLOUCESTER NJ-BURLINGTON NJ-CHESTER PA-BUCKS PA-
PHILADELPHIA PA-
656 AM EDT WED JUL 15 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM EDT FOR
CAMDEN...NORTHEASTERN SALEM...GLOUCESTER...NORTHWESTERN BURLINGTON...
SOUTHEASTERN CHESTER...SOUTHEASTERN BUCKS AND CENTRAL PHILADELPHIA
COUNTIES...
AT 653 AM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. OVER ONE INCH OF RAIN HAS ALREADY
FALLEN WITHIN THE PAST HOUR WITH AN ADDITIONAL INCH LIKELY IN THE
WARNED AREA. THE FLASH FLOOD THREAT CONTINUES THIS MORNING.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PHILADELPHIA...CAMDEN...GLOUCESTER CITY...CHERRY HILL...BENSALEM...
EVESHAM...MOUNT LAUREL...WILLINGBORO...DEPTFORD...VOORHEES...
MEDFORD...WEST DEPTFORD...GLASSBORO...LINDENWOLD...LUMBERTON...
BELLMAWR...WOODBURY...BURLINGTON...MOUNT HOLLY AND PITMAN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3956 7511 3978 7544 3985 7533 3985 7525
3986 7522 3987 7522 3987 7526 3992 7525
4014 7493 3989 7461
$$
HEAVENER700
WGUS71 KPHI 151329
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
929 AM EDT WED JUL 15 2015
NJC005-007-015-033-PAC017-029-101-151331-
/O.EXP.KPHI.FF.W.0036.000000T0000Z-150715T1330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-SALEM NJ-GLOUCESTER NJ-BURLINGTON NJ-CHESTER PA-BUCKS PA-
PHILADELPHIA PA-
929 AM EDT WED JUL 15 2015
...THE FLASH FLOOD WARNING FOR CAMDEN...NORTHEASTERN SALEM...
GLOUCESTER...NORTHWESTERN BURLINGTON...SOUTHEASTERN CHESTER...
SOUTHEASTERN BUCKS AND CENTRAL PHILADELPHIA COUNTIES WILL EXPIRE AT
930 AM EDT...
THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. A FLOOD ADVISORY
HAS BEEN ISSUED IN ITS PLACE.
ANOTHER INCH OF RAINFALL IS POSSIBLE THIS MORNING. THIS RAIN WILL
CAUSE ADDITIONAL MINOR FLOODING IN POOR DRAINAGE AND LOW LYING
AREAS. ROAD CLOSURES AND BASEMENT FLOODING CAN BE EXPECTED IN THOSE
LOCATIONS THAT COMMONLY EXPERIENCE FLOODING.
LAT...LON 3956 7511 3978 7544 3985 7533 3985 7525
3986 7522 3987 7522 3987 7526 3992 7525
4014 7493 3989 7461
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 5:04 AM EDT | Special Weather Statement | PHI | Gloucester | 41 min |
| Jul 15, 5:59 AM EDT | Special Weather Statement | PHI | Burlington, Camden | 46 min |
| Jul 15, 6:04 AM EDT | Special Weather Statement | PHI | Salem | 56 min |
| Jul 15, 6:51 AM EDT | Areal Flood Advisory | PHI | Morris, Sussex, Warren | 4 hr |
| Jul 15, 7:00 AM EDT | Special Weather Statement | PHI | Atlantic | 30 min |
| Jul 15, 7:10 AM EDT | Areal Flood Advisory | PHI | Cumberland, Gloucester, Salem | 2 hr |
| Jul 15, 7:22 AM EDT | Flash Flood Warning | PHI | Morris, Sussex, Warren | 4 hr |
| Jul 15, 7:30 AM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 4 hr |
| Jul 15, 8:16 AM EDT | Special Weather Statement | PHI | Atlantic | 44 min |
| Jul 15, 8:29 AM EDT | Special Weather Statement | PHI | Atlantic | 31 min |
| Jul 15, 8:39 AM EDT | Special Marine Warning | PHI | 51 min | |
| Jul 15, 8:43 AM EDT | Flash Flood Warning | PHI | Atlantic, Burlington, Ocean | 4 hr |
| Jul 15, 8:44 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Ocean | 46 min |
| Jul 15, 8:50 AM EDT | Special Marine Warning | PHI | 40 min | |
| Jul 15, 9:12 AM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Monmouth and 1 more | 4 hr |
| Jul 15, 9:28 AM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 15, 9:34 AM EDT | Special Marine Warning | PHI | 26 min | |
| Jul 15, 9:55 AM EDT | Special Marine Warning | PHI | 65 min | |
| Jul 15, 10:01 AM EDT | Special Marine Warning | PHI | 59 min | |
| Jul 15, 10:05 AM EDT | Special Weather Statement | PHI | Cumberland | 25 min |
| Jul 15, 10:51 AM EDT | Special Marine Warning | PHI | 54 min | |
| Jul 15, 12:46 PM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Ocean | 4 hr |
| Jul 15, 6:06 PM EDT | Areal Flood Advisory | PHI | Somerset | 4 hr |
| Jul 15, 2:36 AM EDT | Special Weather Statement | PHI | Berks, Chester | 24 min |
| Jul 15, 3:11 AM EDT | Special Weather Statement | PHI | Berks, Chester | 64 min |
| Jul 15, 3:39 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 66 min |
| Jul 15, 3:50 AM EDT | Areal Flood Advisory | PHI | Berks, Chester, Delaware, Montgomery | 4 hr |
| Jul 15, 4:11 AM EDT | Special Weather Statement | PHI | Bucks, Lehigh, Montgomery | 64 min |
| Jul 15, 4:27 AM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Jul 15, 4:48 AM EDT | Special Weather Statement | PHI | Bucks | 27 min |
Nearby
Flash Flood Warnings in New Jersey, 2015Flash 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.