Alert archive / New Jersey / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 263, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 9, 2008, 1:07 PM EDT for Atlantic County, Cape May County, Cumberland County, New Jersey. It was in force for 53 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
- Sep 9, 2008, 1:07 PM EDT (17:07 UTC)
- Expired
- Sep 9, 2008, 2:00 PM EDT
- In force
- 53 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cape May County, NJ, Cumberland County, NJ
The radar
The Dover AFB radar (KDOX), 73 km from the middle of the area, began a volume at 17:08 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 |
|---|---|---|---|
| Sep 9, 1:20 PM EDT | TSTM WND GST 55 | Eldora, NJ | A 55 MPH THUNDERSTORM WIND GUST WAS MEASURED IN ELDORA. |
| Sep 9, 1:40 PM EDT | HAIL 0.25 | Seaville, NJ | PEA SIZE HAIL WAS REPORTED IN SEAVILLE. |
| Sep 9, 1:50 PM EDT | HAIL 0.5 | Ocean City, NJ | HALF-INCH HAIL WAS REPORTED IN OCEAN 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 |
|---|---|---|---|
| Sep 9, 9:33 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 5.1 hours before the alert went out and 117 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
- 1988 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 091707
SVRPHI
NJC001-009-011-091800-
/O.NEW.KPHI.SV.W.0263.080909T1707Z-080909T1800Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
107 PM EDT TUE SEP 9 2008
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
SOUTHEASTERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 200 PM EDT
* AT 100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
BELLEPLAIN...OR ABOUT 10 MILES SOUTHEAST OF MILLVILLE...AND MOVING
EAST AT 28 MPH. THERE IS ANOTHER POTENTIALLY SEVERE STORM IN DELAWARE
BAY THAT MAY AFFECT PLACES IN CENTRAL AND SOUTHERN CAPE MAY COUNTY
AFTRE 130 PM.
* THE FIRST SEVERE THUNDERSTORM WILL BE NEAR...
6 MILES NORTH OF WOODBINE BY 110 PM...
CORBIN CITY AND ENGLISH CREEK BY 120 PM...
ENGLISH CREEK AND 6 MILES NORTH OF SEAVILLE BY 125 PM...
MARMORA AND SOMERS POINT BY 130 PM...
OCEAN CITY BY 135 PM...
LONGPORT BY 140 PM...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM TUESDAY
AFTERNOON FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND AND
SOUTHERN NEW JERSEY.
LAT...LON 3939 7436 3930 7455 3928 7454 3925 7460
3900 7478 3893 7488 3892 7497 3899 7498
3911 7490 3916 7491 3918 7503 3920 7504
3917 7515 3926 7521 3928 7518 3929 7484
3949 7454 3948 7430 3947 7429
TIME...MOT...LOC 1706Z 285DEG 24KT 3932 7483
$$
TFG2 follow-up statements
000
WWUS51 KPHI 091726
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
126 PM EDT TUE SEP 9 2008
NJC001-009-011-091800-
/O.CON.KPHI.SV.W.0263.000000T0000Z-080909T1800Z/
CUMBERLAND NJ-CAPE MAY NJ-ATLANTIC NJ-
125 PM EDT TUE SEP 9 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR SOUTHEASTERN ATLANTIC...CAPE MAY AND SOUTHEASTERN CUMBERLAND
COUNTIES...
AT 124 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS TO 60 MPH. THIS STORM WAS
LOCATED NEAR CORBIN CITY...OR 16 MILES SOUTHEAST OF MILLVILLE...
MOVING EAST AT 28 MPH. A WIND GUST TO 55 MPH JUST OCCURRED IN ELDORA.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CORBIN CITY BY 130 PM EDT...
SEAVILLE AND ENGLISH CREEK BY 135 PM EDT...
MARMORA BY 140 PM EDT...
OCEAN CITY AND SOMERS POINT BY 145 PM EDT...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EDT
TUESDAY AFTERNOON FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND AND
SOUTHERN NEW JERSEY.
LAT...LON 3939 7436 3930 7455 3928 7454 3925 7460
3900 7478 3893 7488 3892 7497 3899 7498
3911 7490 3916 7491 3918 7503 3920 7504
3917 7515 3926 7521 3928 7518 3929 7484
3949 7454 3948 7430 3947 7429
TIME...MOT...LOC 1725Z 285DEG 24KT 3929 7478
$$
TFG000
WWUS51 KPHI 091739
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
139 PM EDT TUE SEP 9 2008
NJC011-091747-
/O.CAN.KPHI.SV.W.0263.000000T0000Z-080909T1800Z/
CUMBERLAND NJ-
137 PM EDT TUE SEP 9 2008
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CUMBERLAND COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM HAS MOVED EAST OF THE AREA.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EDT
TUESDAY AFTERNOON FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND AND
SOUTHERN NEW JERSEY.
LAT...LON 3939 7436 3931 7453 3930 7455 3928 7454
3925 7460 3900 7478 3893 7488 3892 7497
3898 7498 3911 7490 3920 7492 3929 7484
3944 7457 3946 7443 3947 7439 3945 7438
3947 7437 3948 7430
TIME...MOT...LOC 1737Z 285DEG 24KT 3927 7468
$$
NJC001-009-091800-
/O.CON.KPHI.SV.W.0263.000000T0000Z-080909T1800Z/
CAPE MAY NJ-ATLANTIC NJ-
137 PM EDT TUE SEP 9 2008
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EDT
FOR SOUTHERN ATLANTIC AND CAPE MAY COUNTIES...
AT 133 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR CORBIN CITY...OR 16 MILES WEST OF ATLANTIC CITY...MOVING
EAST AT 28 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
OCEAN CITY...SOMERS POINT...6 MILES SOUTH OF LINWOOD AND 9 MILES
SOUTH OF NORTHFIELD BY 145 PM EDT...
7 MILES SOUTH OF MARGATE CITY AND 8 MILES SOUTH OF VENTNOR CITY BY
155 PM EDT...
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A SECOND SEVERE STORM WAS CROSSING DELAWARE BAY AND MIGHT NECESSITATE
EXTENDING THE SEVERE THUNDERSTORM WARNING FOR CAPE MAY COUNTY BEYOND
2 PM.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM EDT
TUESDAY AFTERNOON FOR SOUTHERN DELAWARE AND NORTHEASTERN MARYLAND AND
SOUTHERN NEW JERSEY.
LAT...LON 3939 7436 3931 7453 3930 7455 3928 7454
3925 7460 3900 7478 3893 7488 3892 7497
3898 7498 3911 7490 3920 7492 3929 7484
3944 7457 3946 7443 3947 7439 3945 7438
3947 7437 3948 7430
TIME...MOT...LOC 1737Z 285DEG 24KT 3927 7468
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 3:36 AM EDT | Small Craft Advisory | PHI | 36 hr | |
| Sep 9, 9:09 AM EDT | Areal Flood Advisory | PHI | Sussex, Warren | 3 hr |
| Sep 9, 9:21 AM EDT | Severe Thunderstorm Warning | PHI | Gloucester, Hunterdon, Mercer, Morris, Salem, Somerset and 2 more | 39 min |
| Sep 9, 9:41 AM EDT | Flash Flood Warning | PHI | Hunterdon, Morris, Somerset | 3 hr |
| Sep 9, 9:59 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester, Salem | 3 hr |
| Sep 9, 10:04 AM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 3 hr |
| Sep 9, 10:57 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Middlesex, Monmouth, Ocean | 48 min |
| Sep 9, 11:07 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 38 min |
| Sep 9, 11:50 AM EDT | Special Marine Warning | PHI | 55 min | |
| Sep 9, 12:11 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 49 min |
| Sep 9, 12:44 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 46 min |
| Sep 9, 1:05 PM EDT | Special Marine Warning | PHI | 55 min | |
| Sep 9, 1:55 PM EDT | Special Marine Warning | PHI | 65 min | |
| Sep 9, 1:58 PM EDT | Severe Thunderstorm Warning | PHI | Cape May | 92 min |
| Sep 9, 2:42 PM EDT | Areal Flood Advisory | PHI | Cape May | 3 hr |
| Sep 9, 2:53 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.