Alert archive / New Jersey / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 100, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 2, 2013, 10:16 AM EDT for Burlington County, Camden County, New Jersey. It was in force for 74 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 2, 2013, 10:16 AM EDT (14:16 UTC)
- Expired
- Sep 2, 2013, 11:30 AM EDT
- In force
- 74 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Burlington County, NJ, Camden County, NJ
The radar
The Philadelphia radar (KDIX), 50 km from the middle of the area, began a volume at 14:18 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, 2.3 hours before the alert went out and 212 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
- 791 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
559
WUUS51 KPHI 021416
SVRPHI
NJC005-007-021530-
/O.NEW.KPHI.SV.W.0100.130902T1416Z-130902T1530Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1016 AM EDT MON SEP 2 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN CAMDEN COUNTY IN SOUTHERN NEW JERSEY...
CENTRAL BURLINGTON COUNTY IN SOUTHERN NEW JERSEY...
* UNTIL 1130 AM EDT
* AT 1013 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THE STORM WAS NEAR MAGNOLIA...MOVING EAST AT
10 MPH. THIS STORM IS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. A MIDDLE LEVEL ROTATION WAS DETECTED WITH THIS STORM.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
LINDENWOLD AND CHERRY HILL AROUND 1030 AM EDT...
VOORHEES AND SPRINGDALE AROUND 1040 AM EDT...
GREENTREE AND BERLIN AROUND 1045 AM EDT...
MARLTON AND MOUNT LAUREL AROUND 1055 AM EDT...
EVESHAM AND MARLTON LAKES AROUND 1100 AM EDT...
MEDFORD AND TABERNACLE AROUND 1130 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE WINDS OF MORE THAN 57 MPH...OR HAIL ONE
INCH OR LARGER.
DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE
NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS
SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM ON THE LOWEST
FLOOR.
VERY HEAVY RAIN WILL ALSO OCCUR WITH THIS SEVERE THUNDERSTORM...WHICH
COULD FLOOD LOW LYING AREAS QUICKLY AND COVER ROADS WITH WATER. DO
NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3979 7508 3981 7509 3984 7508 3985 7509
3993 7510 4002 7470 3975 7466
TIME...MOT...LOC 1416Z 262DEG 9KT 3985 7504
$$
TFG3 follow-up statements
770
WWUS51 KPHI 021443
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1043 AM EDT MON SEP 2 2013
NJC005-007-021530-
/O.CON.KPHI.SV.W.0100.000000T0000Z-130902T1530Z/
CAMDEN NJ-BURLINGTON NJ-
1043 AM EDT MON SEP 2 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT
FOR CENTRAL BURLINGTON AND CENTRAL CAMDEN COUNTIES...
AT 1039 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VOORHEES...OR 8 MILES
EAST OF GLOUCESTER CITY...MOVING EAST AT 10 MPH. DOPPLER RADAR IS
INDICATING A MICROBURST ALONG THE VOORHEES AND EVESHAM TOWNSHIP
BORDER.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MARLTON AROUND 1050 AM EDT...
MARLTON LAKES AND MOUNT LAUREL AROUND 1055 AM EDT...
EVESHAM AROUND 1100 AM EDT...
MEDFORD LAKES AROUND 1125 AM EDT...
MEDFORD AND TABERNACLE AROUND 1130 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DOPPLER RADAR HAS INDICATED SOME ROTATION WITHIN THIS STORM. WHILE
NOT IMMEDIATELY LIKELY...A TORNADO MAY DEVELOP. IF A TORNADO IS
SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 3981 7496 3984 7499 3986 7500 3987 7500
3991 7502 4002 7470 3975 7466
TIME...MOT...LOC 1442Z 262DEG 9KT 3986 7496
$$
TFG401
WWUS51 KPHI 021509
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1109 AM EDT MON SEP 2 2013
NJC007-021518-
/O.CAN.KPHI.SV.W.0100.000000T0000Z-130902T1530Z/
CAMDEN NJ-
1109 AM EDT MON SEP 2 2013
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CAMDEN COUNTY IS
CANCELLED...
THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAS MOVED OUT
OF THE AREA...THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN
CANCELLED.
LAT...LON 3981 7489 3985 7490 3987 7490 3988 7490
3992 7491 4002 7470 3975 7466
TIME...MOT...LOC 1508Z 262DEG 9KT 3987 7488
$$
NJC005-021530-
/O.CON.KPHI.SV.W.0100.000000T0000Z-130902T1530Z/
BURLINGTON NJ-
1109 AM EDT MON SEP 2 2013
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT
FOR CENTRAL BURLINGTON COUNTY...
AT 1104 AM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED
NEAR EVESHAM...OR 12 MILES EAST OF GLOUCESTER CITY...MOVING EAST AT
10 MPH. DOPPLER RADAR WAS INDICATING A MICROBURST OVER MEDFORD
TOWNSHIP.
THE SEVERE THUNDERSTORM WILL BE NEAR...
MEDFORD LAKES AND MEDFORD AROUND 1115 AM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
FLOODING RAINS ARE ALSO OCCURRING.
&&
LAT...LON 3981 7489 3985 7490 3987 7490 3988 7490
3992 7491 4002 7470 3975 7466
TIME...MOT...LOC 1508Z 262DEG 9KT 3987 7488
$$
TFG462
WWUS51 KPHI 021518
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1118 AM EDT MON SEP 2 2013
NJC005-021527-
/O.CAN.KPHI.SV.W.0100.000000T0000Z-130902T1530Z/
BURLINGTON NJ-
1118 AM EDT MON SEP 2 2013
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL BURLINGTON COUNTY IS
CANCELLED...
THE STORM HAS WEAKENED TO BELOW SEVERE LIMITS...THEREFORE THE SEVERE
THUNDERSTORM WARNING HAS BEEN CANCELLED.
LAT...LON 3981 7489 3985 7490 3987 7490 3988 7490
3992 7491 4002 7470 3975 7466
TIME...MOT...LOC 1517Z 262DEG 9KT 3987 7485
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 8:02 PM EDT | Special Weather Statement | PHI | Warren | 58 min |
| Sep 2, 7:09 AM EDT | Areal Flood Advisory | PHI | Warren | 4 hr |
| Sep 2, 7:16 AM EDT | Special Weather Statement | PHI | Hunterdon, Morris, Sussex | 89 min |
| Sep 2, 7:35 AM EDT | Areal Flood Advisory | PHI | Hunterdon | 6 hr |
| Sep 2, 7:58 AM EDT | Special Weather Statement | PHI | Hunterdon, Somerset | 62 min |
| Sep 2, 8:17 AM EDT | Areal Flood Advisory | PHI | Morris, Somerset | 3 hr |
| Sep 2, 8:58 AM EDT | Areal Flood Advisory | PHI | Atlantic, Cape May, Cumberland | 3 hr |
| Sep 2, 9:37 AM EDT | Areal Flood Advisory | PHI | Camden | 113 min |
| Sep 2, 9:52 AM EDT | Flash Flood Warning | PHI | Burlington, Camden, Gloucester | 4 hr |
| Sep 2, 10:03 AM EDT | Areal Flood Advisory | PHI | Camden, Cumberland, Gloucester, Salem | 4 hr |
| Sep 2, 10:35 AM EDT | Flash Flood Warning | PHI | Burlington, Camden | 5 hr |
| Sep 2, 10:50 AM EDT | Areal Flood Advisory | PHI | Gloucester, Salem | 3 hr |
| Sep 2, 11:31 AM EDT | Areal Flood Advisory | PHI | Burlington, Ocean | 3 hr |
| Sep 2, 12:28 PM EDT | Flash Flood Warning | PHI | Gloucester, Salem | 3 hr |
| Sep 2, 12:44 PM EDT | Flash Flood Warning | PHI | Hunterdon, Mercer | 4 hr |
| Sep 2, 12:47 PM EDT | Special Weather Statement | PHI | Hunterdon | 58 min |
| Sep 2, 2:03 PM EDT | Areal Flood Advisory | PHI | Middlesex, Somerset | 3 hr |
| Sep 2, 2:42 PM EDT | Special Weather Statement | PHI | Atlantic | 48 min |
| Sep 2, 3:35 PM EDT | Areal Flood Warning | PHI | Camden | 9 hr |
| Sep 2, 3:44 PM EDT | Areal Flood Warning | PHI | Gloucester | 14 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.