Alert archive / New Jersey / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 161, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 6, 2014, 4:54 PM EDT for 5 counties in New Jersey. It was in force for 43 min. 1 report 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
- Sep 6, 2014, 4:54 PM EDT (20:54 UTC)
- Expired
- Sep 6, 2014, 5:37 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ
The radar
The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 20:57 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 |
|---|---|---|---|
| Sep 6, 5:08 PM EDT | TSTM WND DMG | Millstone Twp, NJ | TREES DOWN ON WIRES |
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 |
|---|---|---|---|
| Sep 6, 2:07 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 147 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
- 1867 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
935
WUUS51 KPHI 062054
SVRPHI
NJC005-021-023-025-029-062200-
/O.NEW.KPHI.SV.W.0161.140906T2054Z-140906T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
454 PM EDT SAT SEP 6 2014
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN MERCER COUNTY IN CENTRAL NEW JERSEY...
SOUTH CENTRAL MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
NORTH CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
MONMOUTH COUNTY IN CENTRAL NEW JERSEY...
NORTHWESTERN OCEAN COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 600 PM EDT
* AT 452 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS. THESE SEVERE STORMS EXTENDED FROM
ENGLISHTOWN TO FIELDSBORO...MOVING EAST AT 15 MPH. THESE STORMS ARE
CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN
EXCESS OF 60 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
YORKETOWN AND CROSSWICKS AROUND 505 PM EDT...
ROBERTSVILLE AND ALLENTOWN AROUND 510 PM EDT...
GEORGETOWN AND ROOSEVELT AROUND 515 PM EDT...
MARLBORO AROUND 525 PM EDT...
HOLMDEL AND IMLAYSTOWN AROUND 535 PM EDT...
CREAM RIDGE AND CLARKSBURG AROUND 545 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.
&&
LAT...LON 4030 7397 3998 7441 4010 7484 4013 7474
4016 7472 4035 7439 4038 7396
TIME...MOT...LOC 2054Z 264DEG 12KT 4031 7437 4013 7474
$$
FORECASTER: SFJ2 follow-up statements
928
WWUS51 KPHI 062120
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
520 PM EDT SAT SEP 6 2014
NJC005-062129-
/O.CAN.KPHI.SV.W.0161.000000T0000Z-140906T2200Z/
BURLINGTON NJ-
520 PM EDT SAT SEP 6 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BURLINGTON
COUNTY IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE COUNTY.
THUS...THE WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR NORTHEAST NEW JERSEY. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND EASTERN
PENNSYLVANIA.
LAT...LON 4030 7397 4004 7433 4017 7468 4018 7469
4035 7439 4038 7396
TIME...MOT...LOC 2119Z 264DEG 13KT 4032 7425 4018 7452
$$
NJC021-023-025-029-062200-
/O.CON.KPHI.SV.W.0161.000000T0000Z-140906T2200Z/
MERCER NJ-MIDDLESEX NJ-MONMOUTH NJ-OCEAN NJ-
520 PM EDT SAT SEP 6 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN OCEAN...MONMOUTH...SOUTH CENTRAL MIDDLESEX AND
SOUTHEASTERN MERCER COUNTIES...
AT 518 PM EDT...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 MARLBORO TO IMLAYSTOWN...OR ALONG A LINE EXTENDING
FROM 12 MILES SOUTH OF SOUTH AMBOY TO 13 MILES EAST OF TRENTON...
MOVING EAST AT 15 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
HOLMDEL BY 530 PM EDT...
SIX FLAGS THEME PARK AND CLARKSBURG BY 535 PM EDT...
FREEHOLD BY 540 PM EDT...
LINCROFT...CASSVILLE AND EAST FREEHOLD BY 545 PM EDT...
WEST FREEHOLD BY 550 PM EDT...
SHREWSBURY AND ADELPHIA BY 600 PM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...MOVE INDOORS TO A
STURDY BUILDING AND STAY AWAY FROM WINDOWS. WHEN IT IS SAFE TO DO
SO...REPORT SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR TO THE
NATIONAL WEATHER SERVICE.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR DELAWARE AND NORTHEASTERN MARYLAND AND NEW
JERSEY AND EASTERN PENNSYLVANIA.
LAT...LON 4030 7397 4004 7433 4017 7468 4018 7469
4035 7439 4038 7396
TIME...MOT...LOC 2119Z 264DEG 13KT 4032 7425 4018 7452
$$
SFJ483
WWUS51 KPHI 062137
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
537 PM EDT SAT SEP 6 2014
NJC021-023-025-029-062146-
/O.CAN.KPHI.SV.W.0161.000000T0000Z-140906T2200Z/
MERCER NJ-MIDDLESEX NJ-MONMOUTH NJ-OCEAN NJ-
537 PM EDT SAT SEP 6 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OCEAN...
MONMOUTH...SOUTH CENTRAL MIDDLESEX AND SOUTHEASTERN MERCER COUNTIES
IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED. THUS...THE
WARNING HAS BEEN CANCELLED.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
SATURDAY EVENING FOR NORTHEAST NEW JERSEY. A SEVERE THUNDERSTORM
WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM EDT SATURDAY EVENING FOR
DELAWARE AND NORTHEASTERN MARYLAND AND NEW JERSEY AND EASTERN
PENNSYLVANIA.
LAT...LON 4030 7397 4004 7433 4017 7468 4018 7469
4035 7439 4038 7396
TIME...MOT...LOC 2136Z 264DEG 13KT 4033 7417 4019 7444
$$
SFJThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 1:37 PM EDT | Special Weather Statement | PHI | Warren | 53 min |
| Sep 6, 1:46 PM EDT | Special Weather Statement | PHI | Sussex | 59 min |
| Sep 6, 2:58 PM EDT | Areal Flood Advisory | PHI | Hunterdon, Mercer, Middlesex, Somerset | 4 hr |
| Sep 6, 3:19 PM EDT | Special Weather Statement | PHI | Middlesex | 26 min |
| Sep 6, 3:25 PM EDT | Special Weather Statement | PHI | Mercer | 65 min |
| Sep 6, 3:32 PM EDT | Special Weather Statement | PHI | Hunterdon | 58 min |
| Sep 6, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 60 min |
| Sep 6, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 57 min |
| Sep 6, 4:19 PM EDT | Special Marine Warning | PHI | 56 min | |
| Sep 6, 4:45 PM EDT | Special Weather Statement | PHI | Hunterdon, Mercer, Middlesex, Morris, Somerset | 60 min |
| Sep 6, 4:47 PM EDT | Special Weather Statement | PHI | Burlington | 58 min |
| Sep 6, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester, Salem | 36 min |
| Sep 6, 4:58 PM EDT | Special Marine Warning | PHI | 62 min | |
| Sep 6, 5:09 PM EDT | Special Marine Warning | PHI | 66 min | |
| Sep 6, 5:26 PM EDT | Special Marine Warning | PHI | 64 min | |
| Sep 6, 5:31 PM EDT | Special Weather Statement | PHI | Burlington | 59 min |
| Sep 6, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 35 min |
| Sep 6, 6:41 PM EDT | Special Weather Statement | PHI | Salem | 64 min |
| Sep 6, 7:41 PM EDT | Special Marine Warning | PHI | 64 min | |
| Sep 6, 7:45 PM EDT | Special Weather Statement | PHI | Cape May | 60 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2014Every severe thunderstorm warning in 2014
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.