Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 239, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 10, 2008, 7:53 PM EDT for 4 counties in New Jersey. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2008, 7:53 PM EDT (23:53 UTC)
- Expired
- Aug 10, 2008, 9:00 PM EDT
- In force
- 67 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 23:52 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 10, 10:46 AM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.9 hours before the alert went out and 201 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
- 227 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1366 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 102353 SVRPHI NJC001-005-007-015-110100- /O.NEW.KPHI.SV.W.0239.080810T2353Z-080811T0100Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 753 PM EDT SUN AUG 10 2008 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY... SOUTHERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY... CAMDEN COUNTY IN SOUTHERN NEW JERSEY... EASTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY... * UNTIL 900 PM EDT * AT 748 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WILLIAMSTOWN...OR ABOUT 16 MILES SOUTHEAST OF CAMDEN...AND MOVING EAST AT 22 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CHESILHURST BY 800 PM... HAMMONTON BY 820 PM... ATSION AND 6 MILES SOUTH OF SHAMONG BY 825 PM... WHARTON STATE FOREST BY 840 PM... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM SUNDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW JERSEY. LAT...LON 3993 7463 3967 7445 3959 7502 3986 7518 TIME...MOT...LOC 2353Z 279DEG 19KT 3972 7494 $$ RNS
2 follow-up statements
000
WWUS51 KPHI 110026
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
826 PM EDT SUN AUG 10 2008
NJC007-015-110036-
/O.CAN.KPHI.SV.W.0239.000000T0000Z-080811T0100Z/
CAMDEN NJ-GLOUCESTER NJ-
826 PM EDT SUN AUG 10 2008
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GLOUCESTER AND CAMDEN
COUNTIES IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3963 7476 3972 7476 3973 7475 3974 7476
3980 7476 3982 7455 3976 7451 3973 7448
3967 7447
TIME...MOT...LOC 0026Z 272DEG 23KT 3969 7464
$$
NJC001-005-110100-
/O.CON.KPHI.SV.W.0239.000000T0000Z-080811T0100Z/
ATLANTIC NJ-BURLINGTON NJ-
826 PM EDT SUN AUG 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR CENTRAL BURLINGTON AND EXTREME NORTH CENTRAL ATLANTIC COUNTIES...
AT 818 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR ATSION...OR 22 MILES NORTHEAST OF VINELAND...MOVING EAST
AT 27 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL SOUTHEASTERN BURLINGTON COUNTY AT 840 PM EDT
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3963 7476 3972 7476 3973 7475 3974 7476
3980 7476 3982 7455 3976 7451 3973 7448
3967 7447
TIME...MOT...LOC 0026Z 272DEG 23KT 3969 7464
$$
RNS000
WWUS51 KPHI 110051
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
851 PM EDT SUN AUG 10 2008
NJC001-005-110101-
/O.EXP.KPHI.SV.W.0239.000000T0000Z-080811T0100Z/
ATLANTIC NJ-BURLINGTON NJ-
851 PM EDT SUN AUG 10 2008
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BURLINGTON AND EXTREME
NORTH CENTRAL ATLANTIC COUNTIES WILL EXPIRE AT 900 PM EDT...
THE THREAT FOR SEVERE WEATHER HAS DIMINISHED. THE WARNING HAS BEEN
ALLOWED TO EXPIRE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3963 7476 3972 7476 3973 7475 3974 7476
3980 7476 3982 7455 3976 7451 3973 7448
3967 7447
TIME...MOT...LOC 0051Z 272DEG 23KT 3968 7443
$$
RNSThe 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, 1:22 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| 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 |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2008Every severe thunderstorm 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.