Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 118, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 1, 2013, 9:11 AM EDT for 10 counties in New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 79 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
- Nov 1, 2013, 9:11 AM EDT (13:11 UTC)
- Expired
- Nov 1, 2013, 10:30 AM EDT
- In force
- 79 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 24 km from the middle of the area, began a volume at 13:12 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 |
|---|---|---|---|
| Nov 1, 9:37 AM EDT | TSTM WND DMG | Camden, NJ | A FEW TREES AND WIRES DOWN. |
| Nov 1, 9:57 AM EDT | TSTM WND DMG | Glassboro, NJ | A FEW TREES DOWN ACROSS THE COUNTY. |
| Nov 1, 10:04 AM EDT | TSTM WND GST 50 | Keyport, NJ | |
| Nov 1, 10:20 AM EDT | TSTM WND GST 52 | Sandy Hook, NJ | 52 MPH WIND GUST WITH CONVECTIVE LINE. |
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 |
|---|---|---|---|
| Nov 1, 6:25 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 1.2 hours before the alert went out and 144 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
- 2 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 442 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
927
WUUS51 KPHI 011311
SVRPHI
NJC001-005-007-015-021-023-025-029-033-035-PAC017-101-011430-
/O.NEW.KPHI.SV.W.0118.131101T1311Z-131101T1430Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
911 AM EDT FRI NOV 1 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
EASTERN MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHEASTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
SOUTHEASTERN BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHERN PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
NORTHERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
OCEAN COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN SALEM COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1030 AM EDT
* AT 905 AM EDT...COUNTY OFFICIALS REPORTED A LINE OF HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS. THIS LINE EXTENDED FROM
HIGHLAND LAKE TO HIGH BRIDGE TO DOYLESTOWN TO KING OF PRUSSIA TO
PIKE CREEK...MOVING EAST AT 50 MPH. THIS LINE HAS A HISTORY OF
PRODUCING AREAS OF DAMAGING WINDS IN EXCESS OF 60 MPH.
THERE IS LITTLE TO NO LIGHTNING BEING DETECTED WITH THIS LINE,
HOWEVER VERY STRONG WINDS JUST ABOVE THE SURFACE ARE MIXING DOWN
WITH THE LINE AS IT MOVES THROUGH RESULTING IN AREAS OF WIND DAMAGE.
* LOCATIONS IMPACTED INCLUDE...
SALEM...
GIBBSTOWN...
MIDDLESEX...
PALMYRA...
NEW BRUNSWICK...
JAMESBURG...
YORKETOWN...
MEDFORD...
WRIGHTSTOWN...
RED BANK...
TINTON FALLS...
WHARTON STATE FOREST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE HAS A HISTORY OF PRODUCING WIND DAMAGE IN EASTERN
PENNSYLVANIA. DO NOT STAY OUTDOORS.
THIS LINE MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT WAIT TO HEAR
THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 AM EDT
FRIDAY MORNING FOR NORTHWESTERN NEW JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 3981 7407 3947 7430 3957 7506 3953 7507
3956 7552 3981 7541 3986 7521 3987 7521
3988 7526 4019 7477 4067 7446 4066 7441
4060 7444 4061 7421 4047 7425 4043 7400
4048 7402 4045 7396
TIME...MOT...LOC 1308Z 268DEG 43KT 4113 7442 4066 7480
4030 7499 4007 7534 3974 7565
$$
FORECASTER: GORSE2 follow-up statements
662
WWUS51 KPHI 011339
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
939 AM EDT FRI NOV 1 2013
NJC001-005-007-015-021-023-025-029-033-035-PAC017-101-011430-
/O.CON.KPHI.SV.W.0118.000000T0000Z-131101T1430Z/
CAMDEN NJ-MERCER NJ-SOMERSET NJ-BUCKS PA-PHILADELPHIA PA-
GLOUCESTER NJ-MIDDLESEX NJ-BURLINGTON NJ-MONMOUTH NJ-ATLANTIC NJ-
OCEAN NJ-SALEM NJ-
939 AM EDT FRI NOV 1 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT
FOR NORTHERN SALEM...OCEAN...NORTHERN ATLANTIC...MONMOUTH...
BURLINGTON...MIDDLESEX...GLOUCESTER...SOUTHERN PHILADELPHIA...
SOUTHEASTERN BUCKS...SOUTHEASTERN SOMERSET...EASTERN MERCER AND
CAMDEN COUNTIES...
AT 932 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF HEAVY SHOWERS AND ISOLATED THUNDERSTORMS CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS LINE WAS
LOCATED FROM 38 MILES NORTHEAST OF WATCHUNG TO WATCHUNG TO PRINCETON
JUNCTION TO RIVERTON TO BECKETT...MOVING EAST AT 50 MPH.
THERE IS LITTLE TO NO LIGHTNING BEING DETECTED WITH THIS LINE,
HOWEVER VERY STRONG WINDS JUST ABOVE THE SURFACE ARE MIXING DOWN
WITH THE LINE AS IT MOVES THROUGH RESULTING IN AREAS OF WIND DAMAGE.
LOCATIONS IMPACTED INCLUDE...
YARDVILLE-GROVEVILLE...
FORDS...
YORKETOWN...
WRIGHTSTOWN...
WEST FREEHOLD...
SHREWSBURY...
WEST LONG BRANCH...
WHARTON STATE FOREST...
LEISURE VILLAGE...
SPRING LAKE HEIGHTS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE HAS A HISTORY OF PRODUCING WIND DAMAGE. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS LINE CONTAINS LITTLE OR NO LIGHTNING. DO NOT WAIT TO HEAR
THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT FRIDAY
FOR NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3981 7407 3947 7430 3957 7506 3953 7507
3956 7552 3981 7541 3986 7521 3987 7521
3988 7526 4019 7477 4067 7446 4066 7441
4060 7444 4061 7421 4047 7425 4043 7400
4048 7402 4045 7396
TIME...MOT...LOC 1337Z 268DEG 43KT 4113 7402 4067 7441
4031 7460 4008 7495 3975 7527
$$
FORECASTER: GORSE902
WWUS51 KPHI 011414
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1014 AM EDT FRI NOV 1 2013
NJC021-023-035-PAC017-101-011421-
/O.CAN.KPHI.SV.W.0118.000000T0000Z-131101T1430Z/
MERCER NJ-SOMERSET NJ-BUCKS PA-PHILADELPHIA PA-MIDDLESEX NJ-
1014 AM EDT FRI NOV 1 2013
...THE SEVERE THUNDERSTORM WARNING FOR MIDDLESEX...SOUTHERN
PHILADELPHIA...SOUTHEASTERN BUCKS...SOUTHEASTERN SOMERSET AND EASTERN
MERCER COUNTIES IS CANCELLED...
THE LINE OF HEAVY SHOWERS AND ISOLATED THUNDERSTORMS WITH AREAS OF
DAMAGING WINDS HAS MOVED OUT OF THE AREA, THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT FRIDAY
FOR NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
LAT...LON 3981 7407 3968 7417 3960 7420 3950 7428
3950 7430 3947 7430 3957 7506 3953 7507
3956 7524 3956 7537 4012 7465 4014 7459
4016 7460 4045 7414 4042 7401 4048 7402
4045 7396
TIME...MOT...LOC 1411Z 268DEG 43KT 4079 7372 4033 7411
4005 7458 3974 7485 3945 7523
$$
NJC001-005-007-015-025-029-033-011430-
/O.CON.KPHI.SV.W.0118.000000T0000Z-131101T1430Z/
CAMDEN NJ-GLOUCESTER NJ-BURLINGTON NJ-MONMOUTH NJ-ATLANTIC NJ-
OCEAN NJ-SALEM NJ-
1014 AM EDT FRI NOV 1 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM EDT
FOR EAST CENTRAL SALEM...OCEAN...NORTHERN ATLANTIC...MONMOUTH...
BURLINGTON...SOUTHEASTERN GLOUCESTER AND CAMDEN COUNTIES...
AT 1010 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF HEAVY SHOWERS AND ISOLATED THUNDERSTORMS CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS LINE EXTENDED
FROM 27 MILES NORTHEAST OF SANDY HOOK TO LINCROFT TO MCGUIRE AFB TO
CHESILHURST TO 8 MILES SOUTHWEST OF OLIVET...MOVING EAST AT 50 MPH.
THERE IS LITTLE TO NO LIGHTNING BEING DETECTED WITH THIS LINE,
HOWEVER VERY STRONG WINDS JUST ABOVE THE SURFACE ARE MIXING DOWN
WITH THE LINE AS IT MOVES THROUGH WHICH CAN RESULT IN AREAS OF WIND
DAMAGE.
LOCATIONS IMPACTED INCLUDE...
WEST LONG BRANCH...
WHARTON STATE FOREST...
LAKEHURST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS LINE HAS HAD A HISTORY OF PRODUCING WIND DAMAGE. SEEK SHELTER
NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
THIS LINE CONTAINS LITTLE OR NO LIGHTNING. DO NOT WAIT TO HEAR
THUNDER BEFORE TAKING COVER. SEEK SHELTER IMMEDIATELY INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL NOON EDT FRIDAY
FOR NEW JERSEY AND SOUTHEAST PENNSYLVANIA.
&&
LAT...LON 3981 7407 3968 7417 3960 7420 3950 7428
3950 7430 3947 7430 3957 7506 3953 7507
3956 7524 3956 7537 4012 7465 4014 7459
4016 7460 4045 7414 4042 7401 4048 7402
4045 7396
TIME...MOT...LOC 1411Z 268DEG 43KT 4079 7372 4033 7411
4005 7458 3974 7485 3945 7523
$$
FORECASTER: GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 2:21 AM EDT | Special Weather Statement | PHI | Hunterdon, Sussex, Warren | 84 min |
| Nov 1, 3:14 AM EDT | Wind Advisory | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 9 hr |
| Nov 1, 7:53 AM EDT | Severe Thunderstorm Warning | PHI | Warren | 67 min |
| Nov 1, 8:37 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Morris, Somerset, Sussex, Warren | 68 min |
| Nov 1, 9:25 AM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Salem | 65 min |
| Nov 1, 10:09 AM EDT | Special Marine Warning | PHI | 81 min | |
| Nov 1, 10:29 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cumberland, Monmouth, Ocean | 76 min |
| Nov 1, 1:40 PM EDT | Small Craft Advisory | PHI | 3 days | |
| Nov 1, 6:45 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe | 75 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2013Severe Thunderstorm Warnings in Pennsylvania, 2013Every severe thunderstorm warning in 2013
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.