Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 71, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2012, 9:58 PM EDT for Atlantic County, Cape May County, New Jersey. It was in force for 62 min. 4 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
- Jul 1, 2012, 9:58 PM EDT (01:58 UTC)
- Expired
- Jul 1, 2012, 11:00 PM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Cape May County, NJ
The radar
The Philadelphia radar (KDIX), 79 km from the middle of the area, began a volume at 02:01 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 |
|---|---|---|---|
| Jul 1, 10:10 PM EDT | HAIL 0.75 | Upper Twp, NJ | PEA TO PENNY SIZE HAIL REPORTED IN UPPER TOWNSHIP. |
| Jul 1, 10:20 PM EDT | HAIL 1 | Ocean City, NJ | |
| Jul 1, 10:25 PM EDT | HAIL 0.75 | Seaville, NJ | |
| Jul 1, 10:30 PM EDT | HAIL 0.75 | Palermo, NJ |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.0 hours before the alert went out and 162 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
- 2151 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1820 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
848
WUUS51 KPHI 020158
SVRPHI
NJC001-009-020300-
/O.NEW.KPHI.SV.W.0071.120702T0158Z-120702T0300Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
958 PM EDT SUN JUL 1 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN CAPE MAY COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1100 PM EDT
* AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR CORBIN CITY...OR 17 MILES
SOUTHEAST OF MILLVILLE...AND MOVING EAST AT 30 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
MARMORA...BEESLEYS POINT...SEAVILLE AND SOMERS POINT AROUND 1005 PM
EDT...
OCEAN CITY AND STRATHMERE AROUND 1010 PM EDT...
6 MILES SOUTH OF LONGPORT AROUND 1015 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...
YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
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 3929 7454 3928 7455 3925 7460 3920 7464
3917 7467 3913 7470 3923 7490 3940 7481
3932 7451 3931 7451
TIME...MOT...LOC 0157Z 292DEG 27KT 3928 7473
$$
MPD1 follow-up statement
513
WWUS51 KPHI 020226
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1026 PM EDT SUN JUL 1 2012
NJC001-020236-
/O.CAN.KPHI.SV.W.0071.000000T0000Z-120702T0300Z/
ATLANTIC NJ-
1026 PM EDT SUN JUL 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ATLANTIC COUNTY
IS CANCELLED...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3925 7460 3913 7470 3921 7475 3929 7468
3930 7467 3929 7465 3930 7464 3928 7455
TIME...MOT...LOC 0226Z 291DEG 26KT 3924 7461
$$
NJC009-020300-
/O.CON.KPHI.SV.W.0071.000000T0000Z-120702T0300Z/
CAPE MAY NJ-
1026 PM EDT SUN JUL 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHEASTERN CAPE MAY COUNTY...
AT 1022 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR
MARMORA...OR ABOUT 15 MILES SOUTHWEST OF ATLANTIC CITY...
MOVING EAST AT 30 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3925 7460 3913 7470 3921 7475 3929 7468
3930 7467 3929 7465 3930 7464 3928 7455
TIME...MOT...LOC 0226Z 291DEG 26KT 3924 7461
$$
MPDThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 8:16 PM EDT | Special Weather Statement | PHI | Ocean | 44 min |
| Jul 1, 8:33 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 57 min |
| Jul 1, 8:39 PM EDT | Special Marine Warning | PHI | 66 min | |
| Jul 1, 9:45 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 1, 9:51 PM EDT | Special Weather Statement | PHI | Atlantic | 24 min |
| Jul 1, 10:04 PM EDT | Special Marine Warning | PHI | 116 min | |
| Jul 2, 2:56 PM EDT | Coastal Flood Statement | PHI | Atlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more | 7 hr |
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.