Alert archive / New Jersey / Flash Flood Warnings in 2008
Flash Flood Warning 24, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Aug 10, 2008, 1:22 PM EDT for Gloucester County, Salem County, New Jersey. It was in force for 3 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 10, 2008, 1:22 PM EDT (17:22 UTC)
- Expired
- Aug 10, 2008, 4:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Gloucester County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 88 km from the middle of the area, began a volume at 17:25 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 10, 2:30 PM EDT | FLASH FLOOD | 5 S Penns Grove, NJ | HOUSES AND STREETS UNDER WATER |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 5.4 hours before the alert went out and 193 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
- 771 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS51 KPHI 101722
FFWPHI
NJC015-033-102015-
/O.NEW.KPHI.FF.W.0024.080810T1722Z-080810T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
122 PM EDT SUN AUG 10 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 415 PM EDT
* AT 118 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A BACKBUILDING THUNDERSTORM PRODUCING NEARLY 3 INCHES OF RAIN
PER HOUR IN THE WARNED AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PENNSVILLE...MULLICA HILL...GIBBSTOWN AND BECKETT
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 3971 7547 3976 7545 3978 7541 3984 7534
3983 7523 3969 7518 3959 7543 3960 7557
$$
GORSE2 follow-up statements
000
WGUS71 KPHI 101804
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
204 PM EDT SUN AUG 10 2008
NJC015-033-102015-
/O.CON.KPHI.FF.W.0024.000000T0000Z-080810T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM NJ-GLOUCESTER NJ-
204 PM EDT SUN AUG 10 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR WEST
CENTRAL GLOUCESTER AND NORTHWESTERN SALEM COUNTIES...
AT 155 PM EDT...SALEM COUNTY EMERGENCY MANAGEMENT OFFICIALS REPORTED
FLASH FLOODING OF SOME ROADWAYS AND PROPERTY IN THE CARNEYS POINT
AND PENNSVILLE AREAS. DOPPLER RADAR HAS ESTIMATED THAT SEVERAL
INCHES OF RAIN HAS FALLEN IN PARTS OF THE WARNED AREA. THE
BACKBUILDING THUNDERSTORMS HAVE TENDED TO WEAKEN SOME, HOWEVER
ADDITIONAL MODERATE TO HEAVY RAIN CONTINUES IN PORTIONS OF THE
WARNED AREA.
THIS IS A DANGEROUS SITUATION. DO NOT DRIVE ACROSS FLOODED ROADWAYS
AS THE WATER CAN BE MUCH DEEPER THAN YOU THINK IT IS, AND YOUR
VEHICLE CAN STALL OUT. STAY AWAY FROM FLOODED AREAS
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MULLICA
HILL...GIBBSTOWN AND BECKETT
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
LAT...LON 3971 7547 3976 7545 3978 7541 3984 7534
3983 7523 3969 7518 3959 7543 3960 7557
$$
GORSE000
WGUS71 KPHI 101947
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
347 PM EDT SUN AUG 10 2008
NJC015-033-102015-
/O.CON.KPHI.FF.W.0024.000000T0000Z-080810T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SALEM NJ-GLOUCESTER NJ-
347 PM EDT SUN AUG 10 2008
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 415 PM EDT FOR WEST
CENTRAL GLOUCESTER AND NORTHWESTERN SALEM COUNTIES...
AT 340 PM EDT...A TRAINED WEATHER SPOTTER REPORTED SOME HOMES
FLOODED IN CARNEYS POINT IN SALEM COUNTY AND A PORTION OF ROUTE 130
IS UNDER WATER ALL THE WAY TO THE DELAWARE MEMORIAL BRIDGE. AS OF
340 PM...THE SIGNIFICANT RAIN HAS SHIFTED EAST OF THE MOST AFFECTED
AREAS...HOWEVER FLOODING CONTINUES IN THE WARNED AREA. IF FLOODING
CONTINUES AND ESPECIALLY IF ADDITIONAL STORMS MOVE INTO THIS
REGION...THE FLASH FLOODING WARNING MAY NEED TO BE EXTENDED.
THIS IS A DANGEROUS SITUATION. DO NOT DRIVE ACROSS FLOODED ROADWAYS
AS THE WATER CAN BE MUCH DEEPER THAN YOU THINK IT IS, AND YOUR
VEHICLE CAN STALL OUT. STAY AWAY FROM FLOODED AREAS AND FOLLOW
INSTRUCTIONS BY COUNTY OFFICIALS
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 3971 7547 3976 7545 3978 7541 3984 7534
3983 7523 3969 7518 3959 7543 3959 7548
3960 7550 3960 7557
$$
GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:48 AM EDT | Special Marine Warning | PHI | 57 min | |
| Aug 10, 9:55 AM EDT | Severe Thunderstorm Warning | PHI | Cape May | 46 min |
| Aug 10, 10:11 AM EDT | Severe Thunderstorm Warning | PHI | Salem | 64 min |
| Aug 10, 10:39 AM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 66 min |
| Aug 10, 11:17 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 58 min |
| Aug 10, 11:32 AM EDT | Areal Flood Advisory | PHI | Camden, Gloucester | 3 hr |
| Aug 10, 11:46 AM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Salem | 59 min |
| Aug 10, 11:55 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 65 min |
| Aug 10, 11:56 AM EDT | Flash Flood Warning | PHI | Camden, Gloucester | 4 hr |
| Aug 10, 12:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Aug 10, 12:09 PM EDT | Tornado Warning | PHI | Gloucester, Salem | 36 min |
| Aug 10, 12:40 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 95 min |
| Aug 10, 12:45 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 60 min |
| Aug 10, 12:51 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 84 min |
| Aug 10, 12:56 PM EDT | Tornado Warning | PHI | Gloucester, Salem | 34 min |
| Aug 10, 1:05 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 115 min |
| Aug 10, 1:29 PM EDT | Tornado Warning | PHI | Camden, Gloucester, Salem | 28 min |
| Aug 10, 1:53 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Salem | 67 min |
| Aug 10, 2:10 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 50 min |
| Aug 10, 2:23 PM EDT | Special Marine Warning | PHI | 67 min | |
| Aug 10, 2:36 PM EDT | Special Marine Warning | PHI | 54 min | |
| Aug 10, 2:50 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 55 min |
| Aug 10, 3:33 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 39 min |
| Aug 10, 3:44 PM EDT | Special Marine Warning | PHI | 61 min | |
| Aug 10, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 24 min |
| Aug 10, 4:10 PM EDT | Areal Flood Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean, Salem | 3 hr |
| Aug 10, 6:36 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 69 min |
| Aug 10, 6:45 PM EDT | Areal Flood Advisory | PHI | Camden, Gloucester, Salem | 2 hr |
| Aug 10, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 56 min |
| Aug 10, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 66 min |
| Aug 10, 7:15 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 10, 7:42 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 56 min |
| Aug 10, 7:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Aug 10, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester | 67 min |
Nearby
Flash Flood Warnings in New Jersey, 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.