Alert archive / New Jersey / Flash Flood Warnings in 2009
Flash Flood Warning 35, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 12, 2009, 4:16 PM EDT for Cumberland County, Salem County, New Jersey. It was in force for 6 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
- Aug 12, 2009, 4:16 PM EDT (20:16 UTC)
- Expired
- Aug 12, 2009, 10:15 PM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, NJ, Salem County, NJ
The radar
The Dover AFB radar (KDOX), 63 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Aug 12, 4:45 PM EDT | FLASH FLOOD | Bridgeton, NJ | FIRE DEPT PUMPING OUT COURT BUILDING ON 54 W. BOARD STREET. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 8.3 hours before the alert went out and 67 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
- 402 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1048 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 122016
FFWPHI
NJC011-033-130015-
/O.NEW.KPHI.FF.W.0035.090812T2016Z-090813T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
416 PM EDT WED AUG 12 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 815 PM EDT
* AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SLOW MOVING THUNDERSTORMS WITH TORRENTIAL RAIN ACROSS PORTIONS OF
THE WARNED AREA. RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE
POSSIBLE WITH RAINFALL RATES APPROACHING SIX INCHES PER HOUR.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SEABROOK
FARMS...ROSENHAYN AND OLIVET
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
&&
LAT...LON 3929 7532 3934 7534 3933 7537 3936 7540
3937 7541 3937 7542 3939 7545 3941 7547
3961 7513 3949 7497
$$
KRUZDLO2 follow-up statements
000
WGUS51 KPHI 122341
FFWPHI
NJC011-033-130215-
/O.EXT.KPHI.FF.W.0035.000000T0000Z-090813T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
741 PM EDT WED AUG 12 2009
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
NORTHWESTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1015 PM EDT
* AT 739 PM EDT...FLOODING WAS STILL ONGOING IN BRIDGETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.
&&
LAT...LON 3929 7532 3934 7534 3933 7537 3936 7540
3937 7541 3937 7542 3939 7545 3941 7547
3961 7513 3949 7497
$$
KRUZDLO000
WGUS71 KPHI 130211
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1011 PM EDT WED AUG 12 2009
NJC011-033-130220-
/O.EXP.KPHI.FF.W.0035.000000T0000Z-090813T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM NJ-CUMBERLAND NJ-
1011 PM EDT WED AUG 12 2009
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1015 PM EDT FOR
NORTHWESTERN CUMBERLAND AND SOUTHEASTERN SALEM COUNTIES...
EMERGENCY MANAGEMENT OFFICIALS IN CUMBERLAND COUNTY REPORT THAT
FLOOD WATERS HAVE RECEDED, AND FURTHER FLOODING IS NOT EXPECTED.
LAT...LON 3929 7532 3934 7534 3933 7537 3936 7540
3937 7541 3937 7542 3939 7545 3941 7547
3961 7513 3949 7497
$$The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 12:04 PM EDT | Areal Flood Advisory | PHI | Mercer | 60 min |
| Aug 12, 12:47 PM EDT | Flash Flood Warning | PHI | Mercer | 3 hr |
| Aug 12, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 22 min |
| Aug 12, 2:55 PM EDT | Areal Flood Advisory | PHI | Monmouth, Ocean | 50 min |
| Aug 12, 3:01 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cumberland | 59 min |
| Aug 12, 3:17 PM EDT | Flash Flood Warning | PHI | Atlantic, Cumberland | 4 hr |
| Aug 12, 3:29 PM EDT | Areal Flood Advisory | PHI | Burlington, Camden, Gloucester | 60 min |
| Aug 12, 3:32 PM EDT | Areal Flood Advisory | PHI | Atlantic, Burlington, Ocean | 118 min |
| Aug 12, 4:01 PM EDT | Flash Flood Warning | PHI | Atlantic, Cape May | 3 hr |
| Aug 12, 4:55 PM EDT | Flash Flood Warning | PHI | Salem | 3 hr |
| Aug 12, 5:13 PM EDT | Areal Flood Advisory | PHI | Cape May, Cumberland | 2 hr |
| Aug 12, 6:03 PM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
Nearby
Flash Flood Warnings in New Jersey, 2009Every flash flood warning in 2009
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.