Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 84, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 7, 2012, 7:42 PM EDT for Burlington County, Ocean County, New Jersey. It was in force for 63 min. 2 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 7, 2012, 7:42 PM EDT (23:42 UTC)
- Expired
- Jul 7, 2012, 8:45 PM EDT
- In force
- 63 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 23 km from the middle of the area, began a volume at 23:44 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 7, 7:55 PM EDT | TSTM WND GST 60 | Beachwood, NJ | |
| Jul 7, 8:00 PM EDT | TSTM WND DMG | Bayville, NJ | TREES DOWN. |
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 |
|---|---|---|---|
| Jul 7, 6:14 PM EDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.7 hours before the alert went out and 160 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
- 335 J/kg
- Mixed-layer CIN
- -291 J/kg
- Mixed-layer LCL
- 1325 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
025
WUUS51 KPHI 072342
SVRPHI
NJC005-029-080045-
/O.NEW.KPHI.SV.W.0084.120707T2342Z-120708T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
742 PM EDT SAT JUL 7 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EAST CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
CENTRAL OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 845 PM EDT
* AT 740 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 BAMBER LAKE...OR NEAR TOMS
RIVER...AND MOVING SOUTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
7 MILES NORTHEAST OF BARNEGAT LIGHT AROUND 805 PM 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 MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3977 7408 3969 7413 3987 7464 4003 7453
3992 7410 3990 7412 3986 7412 3980 7417
3975 7418 3972 7415 3977 7415 3981 7410
3992 7408 3991 7407
TIME...MOT...LOC 2342Z 299DEG 30KT 3994 7426
$$
HAYES4 follow-up statements
463
WWUS51 KPHI 072358
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
758 PM EDT SAT JUL 7 2012
NJC005-029-080045-
/O.CON.KPHI.SV.W.0084.000000T0000Z-120708T0045Z/
BURLINGTON NJ-OCEAN NJ-
758 PM EDT SAT JUL 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CENTRAL OCEAN AND EAST CENTRAL BURLINGTON COUNTIES...
AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR OCEAN GATE...OR NEAR
TOMS RIVER...MOVING SOUTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
7 MILES NORTHEAST OF BARNEGAT LIGHT BY 805 PM EDT...
WIND GUSTS TO 75 MPH ARE POSSIBLE ON THE BARRIER ISLANDS FROM
SEASIDE PARK THROUGH LONG BEACH ISLAND!
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NEW
JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3977 7408 3969 7413 3987 7464 4003 7453
3992 7410 3990 7412 3986 7412 3980 7417
3975 7418 3972 7415 3977 7415 3981 7410
3992 7408 3991 7407
TIME...MOT...LOC 2356Z 299DEG 30KT 3988 7413
$$
HAYES135
WWUS51 KPHI 080009
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
809 PM EDT SAT JUL 7 2012
NJC005-080019-
/O.CAN.KPHI.SV.W.0084.000000T0000Z-120708T0045Z/
BURLINGTON NJ-
809 PM EDT SAT JUL 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BURLINGTON COUNTY
IS CANCELLED...
THE STORM THAT PROMPTED THE WARNING HAS MOVED EAST OF THE AREA.
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 MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND
SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3977 7408 3969 7413 3978 7439 3993 7428
3992 7410 3990 7412 3986 7412 3980 7417
3975 7418 3972 7415 3977 7415 3981 7410
3992 7408 3991 7407
TIME...MOT...LOC 0009Z 299DEG 30KT 3982 7401
$$
NJC029-080045-
/O.CON.KPHI.SV.W.0084.000000T0000Z-120708T0045Z/
OCEAN NJ-
809 PM EDT SAT JUL 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR SOUTHERN OCEAN COUNTY...
AT 806 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
7 MILES NORTHEAST OF BARNEGAT LIGHT...OR 11 MILES SOUTHEAST OF TOMS
RIVER...MOVING SOUTHEAST AT 35 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND
SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3977 7408 3969 7413 3978 7439 3993 7428
3992 7410 3990 7412 3986 7412 3980 7417
3975 7418 3972 7415 3977 7415 3981 7410
3992 7408 3991 7407
TIME...MOT...LOC 0009Z 299DEG 30KT 3982 7401
$$
HAYES191
WWUS51 KPHI 080020
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
820 PM EDT SAT JUL 7 2012
NJC029-080045-
/O.CON.KPHI.SV.W.0084.000000T0000Z-120708T0045Z/
OCEAN NJ-
820 PM EDT SAT JUL 7 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR CENTRAL OCEAN COUNTY...
AT 818 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED
10 MILES EAST OF BARNEGAT LIGHT...OR 18 MILES SOUTHEAST OF TOMS
RIVER...MOVING SOUTHEAST AT 35 MPH.
WIND GUSTS TO 70 MPH HAVE BEEN REPORTED WITH STORMS THIS EVENING IN
OCEAN COUNTY.
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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND
SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3977 7408 3969 7413 3975 7431 3985 7425
3989 7413 3986 7412 3980 7417 3976 7418
3972 7415 3976 7415 3981 7410 3985 7410
3989 7408 3988 7407
TIME...MOT...LOC 0020Z 299DEG 30KT 3977 7391
$$
HAYES344
WWUS51 KPHI 080044
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
844 PM EDT SAT JUL 7 2012
NJC029-080054-
/O.EXP.KPHI.SV.W.0084.000000T0000Z-120708T0045Z/
OCEAN NJ-
844 PM EDT SAT JUL 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL OCEAN COUNTY WILL
EXPIRE AT 845 PM EDT...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
SUNDAY MORNING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND
SOUTHERN NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3977 7408 3969 7413 3975 7431 3985 7425
3989 7413 3986 7412 3980 7417 3976 7418
3972 7415 3976 7415 3981 7410 3985 7410
3989 7408 3988 7407
TIME...MOT...LOC 0044Z 299DEG 30KT 3967 7369
$$
HAYESThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:30 PM EDT | Special Weather Statement | PHI | Morris, Sussex | 90 min |
| Jul 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Warren | 63 min |
| Jul 7, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset, Warren | 37 min |
| Jul 7, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Ocean, Somerset | 46 min |
| Jul 7, 7:03 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester | 57 min |
| Jul 7, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 53 min |
| Jul 7, 7:24 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jul 7, 7:55 PM EDT | Special Weather Statement | PHI | Atlantic | 65 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.