Alert archive / New Jersey / Flash Flood Warnings in 2015
Flash Flood Warning 53, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 10, 2015, 11:21 PM EDT for Camden County, Gloucester County, New Jersey. It was in force for 4 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
- Sep 10, 2015, 11:21 PM EDT (03:21 UTC)
- Expired
- Sep 11, 2015, 3:15 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 03:24 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 |
|---|---|---|---|
| Sep 11, 12:00 AM EDT | FLASH FLOOD | Mantua Twp, NJ | ROUTE 45 WAS CLOSED DUE TO FLOODING. CARS WERE TRAPPED IN THE FLOOD WATERS. |
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, 3.4 hours before the alert went out and 208 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
- 1179 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
918
WGUS51 KPHI 110321
FFWPHI
NJC007-015-110715-
/O.NEW.KPHI.FF.W.0053.150911T0321Z-150911T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1121 PM EDT THU SEP 10 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 315 AM EDT
* AT 1118 PM EDT...DOPPLER RADAR INDICATED AN AREA OF SHOWERS
PRODUCING HEAVY RAIN ACROSS PARTS OF THE WARNED AREA. RAINFALL
RATES OF UP TO TWO INCHES PER HOUR HAVE ALREADY BEEN RECORDED WITH
THESE SHOWERS. THE HIGH RAINFALL RATES WILL ENHANCE RUNOFF AND
LEAD TO FLASH FLOODING, ESPECIALLY IN URBAN AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAMDEN...GLOUCESTER CITY...CHERRY HILL...VOORHEES...GLASSBORO...
LINDENWOLD...BELLMAWR...PITMAN...BERLIN...MAGNOLIA...WESTVILLE...
BROOKLAWN...AUDUBON PARK...ERLTON-ELLISBURG...TURNERSVILLE...
SPRINGDALE...ECHELON...BARCLAY-KINGSTON...ASHLAND AND MULLICA HILL.
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 3966 7517 3978 7526 3982 7509 3989 7514
3993 7501 3976 7487
$$
MEOLA1 follow-up statement
422
WGUS71 KPHI 110707
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
307 AM EDT FRI SEP 11 2015
NJC007-015-110715-
/O.EXP.KPHI.FF.W.0053.000000T0000Z-150911T0715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-GLOUCESTER NJ-
307 AM EDT FRI SEP 11 2015
...THE FLASH FLOOD WARNING FOR NORTHWESTERN CAMDEN AND CENTRAL
GLOUCESTER COUNTIES WILL EXPIRE AT 315 AM EDT...
LAW ENFORCEMENT OFFICIALS REPORTS SEVERAL ROADS REMAIN FLOODED FROM
THE EARLIER RAINFALL. THE FLASH FLOOD WARNING HAS BEEN REPLACED BY
AN AREAL FLOOD WARNING. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.
LAT...LON 3966 7517 3978 7526 3982 7509 3989 7514
3993 7501 3976 7487
$$
ROBERTSONThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 8:15 PM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 3 hr |
| Sep 10, 9:09 PM EDT | Flash Flood Warning | PHI | Gloucester | 6 hr |
| Sep 11, 2:59 AM EDT | Areal Flood Warning | PHI | Gloucester | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 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.