Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 19, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 6, 2008, 5:17 PM EDT for Camden County, New Jersey; Philadelphia County, Pennsylvania. It was in force for 71 min. 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
- Jul 6, 2008, 5:17 PM EDT (21:17 UTC)
- Expired
- Jul 6, 2008, 6:28 PM EDT
- In force
- 71 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Camden County, NJ, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 21:18 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 6, 6:10 PM EDT | FLASH FLOOD | 1 Ene South Philadelphi, PA | PENROSE AVENUE FLOODED, STALLED VEHICLES IN THE AREA. |
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, 9.3 hours before the alert went out and 217 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
- 61 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 641 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 062117
FFWPHI
NJC007-PAC101-070015-
/O.NEW.KPHI.FF.W.0019.080706T2117Z-080707T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
517 PM EDT SUN JUL 6 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 815 PM EDT
* AT 513 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A NEARLY STATIONARY THUNDERSTORM OVER THE
WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TEMPLE
UNIVERSITY...KENSINGTON...SOUTH PHILADELPHIA...CENTER CITY...
PHILADELPHIA AND CAMDEN
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
LAT...LON 3988 7517 3988 7520 3986 7523 3998 7525
4005 7510 4000 7506 3999 7507 3998 7507
3998 7504 3995 7502
TIME...MOT...LOC 2117Z 180DEG 0KT 3989 7520
$$
TFG2 follow-up statements
000
WGUS71 KPHI 062217
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
615 PM EDT SUN JUL 6 2008
NJC007-062225-
/O.CAN.KPHI.FF.W.0019.000000T0000Z-080707T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CAMDEN NJ-
615 PM EDT SUN JUL 6 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN CAMDEN
COUNTY...
THE THUNDERSTORMS WITH HEAVY RAIN HAVE MOVED AWAY FROM THE COUNTY
AND NO ONGOING FLOODING IS REPORTED AT THIS TIME.
LAT...LON 3987 7523 3998 7525 3999 7524 4001 7519
3998 7517 3996 7518 3996 7515 3989 7514
TIME...MOT...LOC 2215Z 180DEG 0KT 3989 7520
$$
PAC101-070015-
/O.CON.KPHI.FF.W.0019.000000T0000Z-080707T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PHILADELPHIA PA-
615 PM EDT SUN JUL 6 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT FOR
SOUTHWESTERN PHILADELPHIA COUNTY...
AT 606 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
HEAVY RAIN ALOFT IN A THUNDERSTORM CORE OVER SOUTH PHILADELPHIA.
THE RAIN THAT WAS REACHING THE GROUND HAS BECOME MUCH LIGHTER. THE
FLASH FLOOD WARNING WILL REMAIN IN EFFECT UNTIL THIS CORE OF HEAVY
PRECIPITATION MOVES THROUGH THAT PART OF THE CITY.
DO NOT DRIVE ON FLOODED ROADWAYS.
LAT...LON 3987 7523 3998 7525 3999 7524 4001 7519
3998 7517 3996 7518 3996 7515 3989 7514
TIME...MOT...LOC 2215Z 180DEG 0KT 3989 7520
$$
TFG000
WGUS71 KPHI 062228
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
627 PM EDT SUN JUL 6 2008
PAC101-062237-
/O.CAN.KPHI.FF.W.0019.000000T0000Z-080707T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PHILADELPHIA PA-
627 PM EDT SUN JUL 6 2008
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
PHILADELPHIA COUNTY...
THUNDERSTORMS OVER THE SOUTH SIDE OF THE CITY HAVE DISSIPATED AND
NO ADDITIONAL FLOODING IS EXPECTED.
LAT...LON 3987 7523 3998 7525 3999 7524 4001 7519
3998 7517 3996 7518 3996 7515 3989 7514
TIME...MOT...LOC 2227Z 180DEG 0KT 3989 7520
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 1:57 PM EDT | Special Marine Warning | PHI | 86 min | |
| Jul 6, 3:48 PM EDT | Flash Flood Warning | PHI | Burlington | 104 min |
| Jul 6, 4:25 PM EDT | Areal Flood Advisory | PHI | Camden, Mercer | 72 min |
| Jul 6, 4:53 PM EDT | Flash Flood Warning | PHI | Mercer | 59 min |
Nearby
Flash Flood Warnings in New Jersey, 2008Flash Flood Warnings in Pennsylvania, 2008Every flash flood warning in 2008
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.