Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 67, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 30, 2012, 1:31 AM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 59 min. 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
- Jun 30, 2012, 1:31 AM EDT (05:31 UTC)
- Expired
- Jun 30, 2012, 2:30 AM EDT
- In force
- 59 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 36 km from the middle of the area, began a volume at 05:32 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 |
|---|---|---|---|
| Jun 30, 1:40 AM EDT | TSTM WND GST 81 | Tuckerton, NJ |
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 |
|---|---|---|---|
| Jun 29, 10:09 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 5.5 hours before the alert went out and 191 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
- 2412 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1606 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 10.7
The text
As transmitted, in the capitals the NWS used until 2016.
355
WUUS51 KPHI 300531
SVRPHI
NJC001-005-029-300630-
/O.NEW.KPHI.SV.W.0067.120630T0531Z-120630T0630Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
131 AM EDT SAT JUN 30 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITY OF ATLANTIC CITY...
SOUTHEASTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
SOUTHERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 230 AM EDT
* AT 124 AM EDT...NATIONAL WEATHER SERVICE 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 WHARTON STATE FOREST TO BRIGANTINE...OR ALONG A LINE EXTENDING
FROM 26 MILES NORTH OF ATLANTIC CITY TO 6 MILES EAST OF ATLANTIC
CITY...AND MOVING EAST AT 40 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WARREN GROVE AND BEACH HAVEN AROUND 140 AM EDT...
BROOKVILLE AND NORTH BEACH HAVEN AROUND 145 AM EDT...
BARNEGAT AND BEACH HAVEN WEST AROUND 150 AM EDT...
SURF CITY AND HARVEY CEDARS AROUND 155 AM EDT...
BARNEGAT LIGHT AROUND 200 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD TO
GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT
SATURDAY MORNING FOR NORTHERN DELAWARE AND NORTHEASTERN MARYLAND AND
SOUTHERN NEW JERSEY.
&&
LAT...LON 3980 7407 3960 7419 3950 7429 3945 7430
3936 7440 3931 7450 3932 7454 3972 7475
3973 7474 3975 7476 3981 7480 3997 7406
TIME...MOT...LOC 0531Z 271DEG 36KT 3972 7449 3933 7424
$$
AMC1 follow-up statement
692
WWUS51 KPHI 300622
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
222 AM EDT SAT JUN 30 2012
NJC001-005-029-300631-
/O.EXP.KPHI.SV.W.0067.000000T0000Z-120630T0630Z/
BURLINGTON NJ-ATLANTIC NJ-OCEAN NJ-
222 AM EDT SAT JUN 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN OCEAN...EASTERN
ATLANTIC AND SOUTHEASTERN BURLINGTON COUNTIES WILL EXPIRE AT 230 AM
EDT...
THERE ARE MANY REPORTS OF WIDESPREAD WIND DAMAGE IN SOUTHEAST NEW
JERSEY. PLEASE DO NOT TOUCH DOWNED WIRES AND FOLLOW THE DIRECTION
OF EMERGENCY MANAGEMENT PERSONNEL.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3980 7407 3960 7419 3950 7429 3945 7430
3936 7440 3931 7450 3932 7454 3972 7475
3973 7474 3975 7476 3981 7480 3997 7406
TIME...MOT...LOC 0621Z 271DEG 36KT 3968 7384 3929 7360
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 11:53 PM EDT | Special Marine Warning | PHI | 97 min | |
| Jun 30, 12:04 AM EDT | Special Marine Warning | PHI | 116 min | |
| Jun 30, 12:18 AM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 72 min |
| Jun 30, 12:25 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Camden, Gloucester, Ocean | 65 min |
| Jun 30, 12:27 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May | 63 min |
| Jun 30, 12:34 AM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 56 min |
| Jun 30, 1:11 AM EDT | Special Marine Warning | PHI | 64 min | |
| Jun 30, 2:18 AM EDT | Special Marine Warning | PHI | 117 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2012Every severe thunderstorm warning in 2012
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.