Alert archive / New Jersey / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 236, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 22, 2012, 7:39 PM EDT for Burlington County, Camden County, Gloucester County, New Jersey; Bucks County, Delaware County, Philadelphia County, Pennsylvania. It was in force for 66 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
- Sep 22, 2012, 7:39 PM EDT (23:39 UTC)
- Expired
- Sep 22, 2012, 8:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Bucks County, PA, Delaware County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 56 km from the middle of the area, began a volume at 23:41 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.7 hours before the alert went out and 217 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
348
WUUS51 KPHI 222339
SVRPHI
NJC005-007-015-PAC017-045-101-230045-
/O.NEW.KPHI.SV.W.0236.120922T2339Z-120923T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
739 PM EDT SAT SEP 22 2012
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
THIS INCLUDES THE CITY OF PHILADELPHIA...
NORTHWESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
THIS INCLUDES THE CITIES OF...GLOUCESTER CITY...CAMDEN...
NORTHWESTERN GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 845 PM EDT
* AT 737 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS TO
60 MPH. THIS STORM WAS LOCATED NEAR CHESTER...OR 11 MILES
NORTHEAST OF WILMINGTON...AND MOVING NORTHEAST AT 35 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
GIBBSTOWN AROUND 745 PM EDT...
PAULSBORO...WEST DEPTFORD...PHILADELPHIA INTERNATIONAL AIRPORT AND
FOLCROFT AROUND 750 PM EDT...
NATIONAL PARK...WOODBURY...DEPTFORD AND SOUTH PHILADELPHIA AROUND
755 PM EDT...
GLOUCESTER CITY AROUND 800 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.
&&
LAT...LON 3988 7472 3971 7535 3973 7537 3988 7543
4018 7481
TIME...MOT...LOC 2339Z 245DEG 29KT 3981 7534
$$
TFG2 follow-up statements
999
WWUS51 KPHI 230009
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
809 PM EDT SAT SEP 22 2012
NJC015-PAC045-101-230018-
/O.CAN.KPHI.SV.W.0236.000000T0000Z-120923T0045Z/
PHILADELPHIA PA-DELAWARE PA-GLOUCESTER NJ-
809 PM EDT SAT SEP 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GLOUCESTER...
SOUTHEASTERN DELAWARE AND PHILADELPHIA COUNTIES IS CANCELLED...
THE SEVERE STORM HAS MOVED NORTHEAST OF THE AREA.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3988 7472 3980 7508 3982 7509 3984 7508
3989 7514 3991 7513 3994 7514 4000 7505
4005 7497 4006 7498 4018 7481
TIME...MOT...LOC 0008Z 245DEG 29KT 3990 7506
$$
NJC005-007-PAC017-230045-
/O.CON.KPHI.SV.W.0236.000000T0000Z-120923T0045Z/
CAMDEN NJ-BUCKS PA-BURLINGTON NJ-
809 PM EDT SAT SEP 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN BUCKS AND NORTHWESTERN
CAMDEN COUNTIES...
AT 805 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS
UP TO 60 MPH. THIS STORM WAS LOCATED NEAR AUDUBON PARK...OR NEAR
GLOUCESTER CITY...MOVING NORTHEAST AT 35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
CHERRY HILL...MAPLE SHADE...GREENTREE AND SPRINGDALE BY 815 PM
EDT...
MOUNT LAUREL...MOORESTOWN-LENOLA...MARLTON AND EVESHAM BY 820 PM
EDT...
WILLINGBORO BY 830 PM EDT...
MOUNT HOLLY BY 835 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT FOR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY INSIDE
A STURDY STRUCTURE AND STAY 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.
&&
LAT...LON 3988 7472 3980 7508 3982 7509 3984 7508
3989 7514 3991 7513 3994 7514 4000 7505
4005 7497 4006 7498 4018 7481
TIME...MOT...LOC 0008Z 245DEG 29KT 3990 7506
$$
TFG325
WWUS51 KPHI 230030
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
830 PM EDT SAT SEP 22 2012
NJC007-PAC017-230040-
/O.CAN.KPHI.SV.W.0236.000000T0000Z-120923T0045Z/
CAMDEN NJ-BUCKS PA-
830 PM EDT SAT SEP 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCKS AND
NORTHWESTERN CAMDEN COUNTIES IS CANCELLED...
THE THUNDERSTORM IS IN BURLINGTON COUNTY.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...1-877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 3988 7472 3985 7490 3997 7495 4000 7496
4003 7494 4012 7480
TIME...MOT...LOC 0030Z 245DEG 29KT 3997 7484
$$
NJC005-230045-
/O.CON.KPHI.SV.W.0236.000000T0000Z-120923T0045Z/
BURLINGTON NJ-
830 PM EDT SAT SEP 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM EDT
FOR NORTHWESTERN BURLINGTON COUNTY...
AT 826 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED
NEAR MOUNT LAUREL...OR 12 MILES EAST OF CAMDEN...MOVING NORTHEAST AT
35 MPH.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MOUNT HOLLY...LUMBERTON...WESTAMPTON AND 7 MILES SOUTHEAST OF
BURLINGTON BY 835 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT FOR THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY INSIDE
A STURDY STRUCTURE AND STAY 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.
&&
LAT...LON 3988 7472 3985 7490 3997 7495 4000 7496
4003 7494 4012 7480
TIME...MOT...LOC 0030Z 245DEG 29KT 3997 7484
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 3:51 AM EDT | Small Craft Advisory | PHI | 34 hr | |
| Sep 22, 5:26 AM EDT | Rip Current Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 15 hr |
| Sep 22, 6:19 PM EDT | Special Weather Statement | PHI | Warren | 56 min |
| Sep 22, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Sussex, Warren | 74 min |
| Sep 22, 7:52 PM EDT | Special Weather Statement | PHI | Somerset | 38 min |
| Sep 22, 5:11 PM EDT | Special Weather Statement | PHI | Chester | 64 min |
| Sep 22, 6:02 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 88 min |
| Sep 22, 6:14 PM EDT | Special Weather Statement | PHI | Lehigh | 61 min |
| Sep 22, 7:02 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 58 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2012Severe Thunderstorm Warnings in Pennsylvania, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.