Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 240, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 10, 2008, 8:06 PM EDT for Atlantic County, Cumberland County, Ocean County, New Jersey. It was in force for 84 min. 3 reports 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, 8:06 PM EDT (00:06 UTC)
- Expired
- Aug 10, 2008, 9:30 PM EDT
- In force
- 84 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cumberland County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 48 km from the middle of the area, began a volume at 00:10 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, 8:40 PM EDT | HAIL 0.5 | Estell Manor, NJ | |
| Aug 10, 9:00 PM EDT | HAIL 0.88 | Linwood, NJ | |
| Aug 10, 9:17 PM EDT | HAIL 0.5 | Atlantic City, NJ | HAIL OCCURRED IN WEST ATLANTIC CITY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.1 hours before the alert went out and 194 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
- 1516 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 936 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 110006
SVRPHI
NJC001-011-029-110130-
/O.NEW.KPHI.SV.W.0240.080811T0006Z-080811T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
806 PM EDT SUN AUG 10 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
SOUTH CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 930 PM EDT
* AT 801 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR
SOUTH VINELAND...OR ABOUT NEAR VINELAND...AND MOVING EAST AT 30
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
MIZPAH BY 820 PM...
MAYS LANDING BY 835 PM...
POMONA BY 850 PM...
ABSECON BY 900 PM...
BRIGANTINE BY 910 PM...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3951 7425 3950 7432 3953 7434 3953 7441
3949 7439 3949 7433 3947 7429 3939 7436
3932 7447 3934 7509 3955 7505 3951 7499
3960 7488 3964 7467 3954 7444 3959 7439
3969 7438 3973 7411
TIME...MOT...LOC 0006Z 268DEG 26KT 3943 7498
$$
RNS3 follow-up statements
000
WWUS51 KPHI 110041
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
841 PM EDT SUN AUG 10 2008
NJC011-029-110051-
/O.CAN.KPHI.SV.W.0240.000000T0000Z-080811T0130Z/
CUMBERLAND NJ-OCEAN NJ-
841 PM EDT SUN AUG 10 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL OCEAN AND
NORTHEASTERN CUMBERLAND COUNTIES IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3939 7436 3937 7439 3933 7444 3931 7449
3933 7453 3933 7485 3961 7482 3954 7447
3954 7441 3949 7439 3949 7434 3946 7429
TIME...MOT...LOC 0041Z 274DEG 28KT 3941 7463
$$
NJC001-110130-
/O.CON.KPHI.SV.W.0240.000000T0000Z-080811T0130Z/
ATLANTIC NJ-
841 PM EDT SUN AUG 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR ATLANTIC COUNTY...
AT 835 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 MAYS LANDING...OR 14 MILES WEST OF ATLANTIC CITY...
MOVING EAST AT 32 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
PLEASANTVILLE...NORTHFIELD AND POMONA BY 850 PM EDT...
ABSECON...VENTNOR CITY AND MARGATE CITY BY 855 PM EDT...
ATLANTIC CITY BY 900 PM EDT...
BRIGANTINE BY 905 PM EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3939 7436 3937 7439 3933 7444 3931 7449
3933 7453 3933 7485 3961 7482 3954 7447
3954 7441 3949 7439 3949 7434 3946 7429
TIME...MOT...LOC 0041Z 274DEG 28KT 3941 7463
$$
RNS000
WWUS51 KPHI 110059
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
859 PM EDT SUN AUG 10 2008
NJC001-110130-
/O.CON.KPHI.SV.W.0240.000000T0000Z-080811T0130Z/
ATLANTIC NJ-
859 PM EDT SUN AUG 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EASTERN ATLANTIC COUNTY...
AT 852 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR NORTHFIELD...OR 8 MILES NORTHWEST OF
ATLANTIC CITY...MOVING EAST AT 27 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
VENTNOR CITY BY 905 PM EDT...
ATLANTIC CITY BY 910 PM EDT...
BRIGANTINE BY 915 PM EDT...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS COVERING THE ROAD.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT SUNDAY
EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND SOUTHERN NEW
JERSEY.
LAT...LON 3939 7436 3937 7439 3933 7444 3931 7449
3933 7453 3933 7474 3956 7473 3954 7441
3949 7439 3949 7433 3946 7429
TIME...MOT...LOC 0059Z 269DEG 24KT 3941 7452
$$
RNS000
WWUS51 KPHI 110124
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
924 PM EDT SUN AUG 10 2008
NJC001-110130-
/O.CON.KPHI.SV.W.0240.000000T0000Z-080811T0130Z/
ATLANTIC NJ-
924 PM EDT SUN AUG 10 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM EDT
FOR EAST CENTRAL ATLANTIC COUNTY...
AT 918 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.
THIS STORM WAS LOCATED NEAR ATLANTIC CITY...MOVING EAST AT 28 MPH.
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.
LAT...LON 3939 7436 3938 7439 3936 7440 3933 7444
3933 7446 3933 7448 3945 7440 3944 7438
3945 7437 3946 7430
TIME...MOT...LOC 0124Z 269DEG 24KT 3936 7435
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:13 PM EDT | Special Marine Warning | PHI | 92 min | |
| Aug 10, 8:45 PM EDT | Special Marine Warning | PHI | 28 min | |
| Aug 10, 9:35 PM EDT | Special Marine Warning | PHI | 85 min | |
| Aug 11, 8:50 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Somerset | 40 min |
| Aug 11, 10:55 AM EDT | Special Marine Warning | PHI | 20 min | |
| Aug 11, 11:23 AM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 38 min |
| Aug 11, 1:07 PM EDT | Special Marine Warning | PHI | 83 min | |
| Aug 11, 5:19 PM EDT | Special Marine Warning | PHI | 86 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.