Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 101, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 9, 2015, 9:19 PM EDT for Atlantic County, Cape May County, New Jersey. It was in force for 41 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
- Jul 9, 2015, 9:19 PM EDT (01:19 UTC)
- Expired
- Jul 9, 2015, 10:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cape May County, NJ
The radar
The Dover AFB radar (KDOX), 79 km from the middle of the area, began a volume at 01:20 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 |
|---|---|---|---|
| Jul 9, 4:57 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 1.3 hours before the alert went out and 156 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
- 809 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1310 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
033
WUUS51 KPHI 100119
SVRPHI
NJC001-009-100200-
/O.NEW.KPHI.SV.W.0101.150710T0119Z-150710T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
919 PM EDT THU JUL 9 2015
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
CENTRAL CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1000 PM EDT
* AT 918 PM EDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM BUENA TO
9 MILES NORTHEAST OF MILLVILLE...AND MOVING EAST AT 45 MPH.
* LOCATIONS IMPACTED INCLUDE...
ATLANTIC CITY...OCEAN CITY...CAPE MAY...PLEASANTVILLE...SOMERS
POINT...VENTNOR CITY...BRIGANTINE...NORTHFIELD...ABSECON...MARGATE
CITY...NORTH WILDWOOD...WILDWOOD CREST...SEA ISLE CITY...ESTELL
MANOR...AVALON...WEST CAPE MAY...LONGPORT...CORBIN CITY...SCOTCH
BONNET AND MARMORA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DEADLY LIGHTNING AND
VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON
THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS
QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3926 7460 3903 7479 3899 7479 3894 7486
3893 7497 3897 7494 3899 7496 3906 7492
3909 7475 3932 7467 3931 7464 3933 7467
3941 7464 3940 7448 3941 7444 3940 7446
3939 7443 3941 7441 3941 7436
TIME...MOT...LOC 0118Z 269DEG 38KT 3951 7497 3861 7497
$$
GORSE/FRANCK1 follow-up statement
698
WWUS51 KPHI 100152
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
952 PM EDT THU JUL 9 2015
NJC001-009-100201-
/O.EXP.KPHI.SV.W.0101.000000T0000Z-150710T0200Z/
ATLANTIC NJ-CAPE MAY NJ-
952 PM EDT THU JUL 9 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATLANTIC AND
CENTRAL CAPE MAY COUNTIES WILL EXPIRE AT 1000 PM EDT...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3926 7460 3903 7479 3899 7479 3894 7486
3893 7497 3897 7494 3899 7496 3906 7492
3909 7475 3932 7467 3931 7464 3933 7467
3941 7464 3940 7448 3941 7444 3940 7446
3939 7443 3941 7441 3941 7436
TIME...MOT...LOC 0150Z 269DEG 38KT 3951 7497 3861 7497
$$
GORSE/FRANCKThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 8:17 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 9, 8:19 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more | 71 min |
| Jul 9, 8:28 PM EDT | Special Weather Statement | PHI | Monmouth | 47 min |
| Jul 9, 8:45 PM EDT | Special Marine Warning | PHI | 60 min | |
| Jul 9, 8:51 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 9, 8:53 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 37 min |
| Jul 9, 8:55 PM EDT | Tornado Warning | PHI | Burlington | 20 min |
| Jul 9, 9:28 PM EDT | Special Marine Warning | PHI | 62 min | |
| Jul 9, 10:00 PM EDT | Special Marine Warning | PHI | 60 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2015Every severe thunderstorm warning in 2015
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.