Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 33, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Sep 6, 2008, 5:39 PM EDT for 4 counties in New Jersey; 4 counties in Pennsylvania. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 6, 2008, 5:39 PM EDT (21:39 UTC)
- Expired
- Sep 6, 2008, 10:30 PM EDT
- In force
- 5 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 21:39 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.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 195 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
- 756 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 562 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 062139
FFWPHI
NJC005-007-015-021-PAC017-045-091-101-070230-
/O.NEW.KPHI.FF.W.0033.080906T2139Z-080907T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
539 PM EDT SAT SEP 6 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1030 PM EDT
* AT 536 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
HEAVY RAIN ACROSS PORTIONS OF THE WARNED AREA. RADAR ESTIMATES
AND RAIN GAGES INDICATE THAT BETWEEN 1.5 AND 2 INCHES HAVE ALREADY
FALLEN IN SPOTS. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE
POSSIBLE THROUGH THIS EVENING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WISSINOMING...WASHINGTON CROSSING...TACONY...NORTHEAST
PHILADELPHIA...HOLMESBURG...CHESTNUT HILL...BENSALEM...ANDALUSIA...
WINDSOR...JOBSTOWN...JACKSONVILLE...GEORGETOWN...EDINBURG...
CROSSWICKS...GERMANTOWN...WOODSIDE...WILLOW GROVE...ROCKLEDGE...
RICHBORO...RADNOR TOWNSHIP...PLYMOUTH MEETING...NEWTOWN...NEW
HOPE...LEVITTOWN...LANGHORNE...IVYLAND...FEASTERVILLE...BRYN
MAWR...BRISTOL...AMBLER...WILLINGBORO...WHITE HORSE...TRENTON...
RIVERSIDE...PRINCETON...PENNINGTON...MERCERVILLE-HAMILTON SQUARE...
LAWRENCEVILLE...HOPEWELL...FLORENCE...EWING...BURLINGTON...
BORDENTOWN...BEVERLY AND ALLENTOWN
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
LAT...LON 4017 7457 4017 7462 4007 7456 3968 7532
3982 7546 3984 7556 3987 7562 3999 7545
4000 7546 4004 7542 4037 7496 4035 7495
4034 7486 4038 7485 4042 7475 4037 7473
4038 7463 4034 7465 4026 7448
$$
KRUZDLOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 4:43 PM EDT | Areal Flood Warning | PHI | Morris, Sussex, Warren | 6 hr |
| Sep 6, 5:47 PM EDT | Areal Flood Warning | PHI | Hunterdon, Middlesex, Somerset | 5 hr |
| Sep 6, 6:11 PM EDT | Tornado Warning | PHI | Burlington | 49 min |
| Sep 6, 6:41 PM EDT | Areal Flood Warning | PHI | Monmouth | 5 hr |
| Sep 6, 3:33 PM EDT | Areal Flood Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 6 hr |
| Sep 6, 4:22 PM EDT | Areal Flood Warning | PHI | Chester | 6 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.