Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 125, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Nov 18, 2013, 3:29 AM EST for 12 counties in New Jersey; 4 counties in Pennsylvania; New Castle County, Delaware. It was in force for 61 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 18, 2013, 3:29 AM EST (08:29 UTC)
- Expired
- Nov 18, 2013, 4:30 AM EST
- In force
- 61 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 08:29 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 18, 3:29 AM EST | TSTM WND DMG | Norristown, PA | POWER LINES REPORTED DOWN ON PINE STREET IN NORRISTOWN |
| Nov 18, 4:00 AM EST | TSTM WND DMG | Mount Laurel, NJ | WIRES REPORTED DOWN IN THE VICINITY OF CREEK ROAD. |
| Nov 18, 4:20 AM EST | TSTM WND DMG | Vineland, NJ | WIRES DOWN |
| Nov 18, 4:28 AM EST | TSTM WND GST 45 | Metuchen, 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 |
|---|---|---|---|
| Nov 18, 1:07 AM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 8.5 hours before the alert went out and 195 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
- 520 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
155
WUUS51 KPHI 180829
SVRPHI
DEC003-NJC001-005-007-011-015-019-021-023-025-029-033-035-PAC017-045-
091-101-180930-
/O.NEW.KPHI.SV.W.0125.131118T0829Z-131118T0930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
329 AM EST MON NOV 18 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
SOUTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTHERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...
BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEAST PENNSYLVANIA...
PHILADELPHIA COUNTY IN SOUTHEAST PENNSYLVANIA...
DELAWARE COUNTY IN SOUTHEAST PENNSYLVANIA...
GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY...
NEW CASTLE COUNTY IN NORTHERN DELAWARE...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
WESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
NORTHWESTERN ATLANTIC COUNTY IN SOUTHERN NEW JERSEY...
NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
SALEM COUNTY IN SOUTHERN NEW JERSEY...
NORTHERN CUMBERLAND COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 430 AM EST
* AT 324 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
BYRAM TO BRYN MAWR TO PORT PENN...MOVING EAST AT 45 MPH. THESE
STORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WILLOW GROVE AND YEADON AROUND 335 AM EST...
ROCKLEDGE AND FEASTERVILLE AROUND 340 AM EST...
WOODSIDE AND SHILOH AROUND 345 AM EST...
SKILLMAN AND LEVITTOWN AROUND 350 AM EST...
MILLSTONE AND WILLINGBORO AROUND 355 AM EST...
BOUND BROOK AND MIDDLESEX AROUND 400 AM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM 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 700 AM EST MONDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
&&
LAT...LON 4003 7436 3944 7474 3943 7549 3946 7555
3957 7552 3959 7555 3943 7557 3943 7572
3997 7547 4007 7536 4006 7540 4045 7514
4044 7464 4066 7449 4065 7440 4060 7444
4061 7425 4060 7425 4049 7426 4045 7421
TIME...MOT...LOC 0829Z 271DEG 40KT 4042 7499 4003 7526
3951 7550
$$
FORECASTER: HEAVENER2 follow-up statements
424
WWUS51 KPHI 180855
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
355 AM EST MON NOV 18 2013
DEC003-PAC045-091-180904-
/O.CAN.KPHI.SV.W.0125.000000T0000Z-131118T0930Z/
MONTGOMERY PA-DELAWARE PA-NEW CASTLE DE-
355 AM EST MON NOV 18 2013
...THE SEVERE THUNDERSTORM WARNING FOR NEW CASTLE...DELAWARE AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...
THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM EST MONDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 AM EST MONDAY MORNING FOR NORTHEAST NEW JERSEY.
LAT...LON 4003 7436 3944 7474 3943 7547 3987 7521
4006 7513 4005 7511 4014 7502 4017 7507
4045 7493 4044 7465 4052 7458 4050 7426
4044 7421
TIME...MOT...LOC 0854Z 271DEG 40KT 4042 7467 4002 7490
3946 7520
$$
NJC001-005-007-011-015-019-021-023-025-029-033-035-PAC017-101-180930-
/O.CON.KPHI.SV.W.0125.000000T0000Z-131118T0930Z/
CAMDEN NJ-HUNTERDON NJ-MERCER NJ-SOMERSET NJ-BUCKS PA-PHILADELPHIA PA-
GLOUCESTER NJ-MIDDLESEX NJ-BURLINGTON NJ-MONMOUTH NJ-ATLANTIC NJ-
OCEAN NJ-SALEM NJ-CUMBERLAND NJ-
355 AM EST MON NOV 18 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EST
FOR NORTHERN CUMBERLAND...EASTERN SALEM...NORTHWESTERN OCEAN...
NORTHWESTERN ATLANTIC...WESTERN MONMOUTH...BURLINGTON...MIDDLESEX...
GLOUCESTER...EASTERN PHILADELPHIA...SOUTHEASTERN BUCKS...SOUTHERN
SOMERSET...MERCER...SOUTHEASTERN HUNTERDON AND CAMDEN COUNTIES...
AT 351 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SKILLMAN TO RIVERSIDE TO SEABROOK FARMS...MOVING EAST
AT 45 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
MILLSTONE AND WILLIAMSTOWN AROUND 400 AM EST...
NORTH BRUNSWICK AND SOMERSET AROUND 405 AM EST...
EAST BRUNSWICK AND MILLTOWN AROUND 410 AM EST...
SOUTH RIVER AND SAYREVILLE AROUND 415 AM EST...
MADISON PARK AND SAYREVILLE AROUND 420 AM EST...
MATAWAN AND CLIFFWOOD BEACH AROUND 425 AM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS SEVERE THUNDERSTORM 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 700 AM EST MONDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA.
&&
LAT...LON 4003 7436 3944 7474 3943 7547 3987 7521
4006 7513 4005 7511 4014 7502 4017 7507
4045 7493 4044 7465 4052 7458 4050 7426
4044 7421
TIME...MOT...LOC 0854Z 271DEG 40KT 4042 7467 4002 7490
3946 7520
$$
KLINE259
WWUS51 KPHI 180909
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
409 AM EST MON NOV 18 2013
NJC019-PAC101-180919-
/O.CAN.KPHI.SV.W.0125.000000T0000Z-131118T0930Z/
HUNTERDON NJ-PHILADELPHIA PA-
409 AM EST MON NOV 18 2013
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN PHILADELPHIA AND
SOUTHEASTERN HUNTERDON COUNTIES IS CANCELLED...
THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM EST MONDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 AM EST MONDAY MORNING FOR NORTHEAST NEW JERSEY.
LAT...LON 4003 7436 3944 7474 3944 7515 3986 7500
4005 7489 4044 7465 4052 7458 4050 7426
4044 7421
TIME...MOT...LOC 0909Z 271DEG 40KT 4041 7445 4001 7468
3946 7499
$$
NJC001-005-007-011-015-021-023-025-029-033-035-PAC017-180930-
/O.CON.KPHI.SV.W.0125.000000T0000Z-131118T0930Z/
CAMDEN NJ-MERCER NJ-SOMERSET NJ-BUCKS PA-GLOUCESTER NJ-MIDDLESEX
NJ-BURLINGTON NJ-MONMOUTH NJ-ATLANTIC NJ-OCEAN NJ-SALEM
NJ-CUMBERLAND NJ-409 AM EST MON NOV 18 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EST
FOR NORTHEASTERN CUMBERLAND...SOUTHEASTERN SALEM...NORTHWESTERN
OCEAN...NORTHWESTERN ATLANTIC...WESTERN MONMOUTH...BURLINGTON...
MIDDLESEX...SOUTHEASTERN GLOUCESTER...SOUTHEASTERN BUCKS...
SOUTHEASTERN SOMERSET...EASTERN MERCER AND EASTERN CAMDEN COUNTIES...
AT 404 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM SOUTH BRUNSWICK TO MOUNT HOLLY TO SOUTH VINELAND...
MOVING EAST AT 45 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
SOUTH RIVER AND SPOTSWOOD AROUND 415 AM EST...
MADISON PARK AND SAYREVILLE AROUND 420 AM EST...
MATAWAN AND CLIFFWOOD BEACH AROUND 425 AM EST...
JACKSONS MILLS AROUND 430 AM EST...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 AM EST MONDAY
MORNING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND
EASTERN PENNSYLVANIA. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN
EFFECT UNTIL 800 AM EST MONDAY MORNING FOR NORTHEAST NEW JERSEY.
&&
LAT...LON 4003 7436 3944 7474 3944 7515 3986 7500
4005 7489 4044 7465 4052 7458 4050 7426
4044 7421
TIME...MOT...LOC 0909Z 271DEG 40KT 4041 7445 4001 7468
3946 7499
$$
FORECASTER: HEAVENERThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 2:46 AM EST | Severe Thunderstorm Warning | PHI | Salem | 59 min |
| Nov 18, 2:54 AM EST | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset, Sussex, Warren | 66 min |
| Nov 18, 3:04 AM EST | Special Marine Warning | PHI | 86 min | |
| Nov 18, 3:39 AM EST | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 66 min |
| Nov 18, 3:43 AM EST | Special Marine Warning | PHI | 92 min | |
| Nov 18, 4:06 AM EST | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 24 min |
| Nov 18, 4:20 AM EST | Special Marine Warning | PHI | 85 min | |
| Nov 18, 4:28 AM EST | Special Weather Statement | PHI | Atlantic, Burlington, Monmouth, Ocean | 32 min |
| Nov 18, 1:58 AM EST | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 62 min |
| Nov 18, 2:28 AM EST | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery | 62 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2013Severe Thunderstorm Warnings in Pennsylvania, 2013Severe Thunderstorm Warnings in Delaware, 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.