Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 186, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2007, 4:51 AM EDT for Middlesex County, New Jersey. It was in force for 37 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
- Aug 8, 2007, 4:51 AM EDT (08:51 UTC)
- Expired
- Aug 8, 2007, 5:28 AM EDT
- In force
- 37 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Middlesex County, NJ
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 08:51 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 00:00Z, 8.9 hours before the alert went out and 132 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
- 98 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 1372 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 080851
SVRPHI
NJC023-080945-
/O.NEW.KPHI.SV.W.0186.070808T0851Z-070808T0945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
451 AM EDT WED AUG 8 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...
THIS INCLUDES THE CITIES OF...PERTH AMBOY...NEW BRUNSWICK...
* UNTIL 545 AM EDT
* AT 447 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED 6 MILES WEST OF SOCIETY HILL...
OR ABOUT 8 MILES NORTHWEST OF NEW BRUNSWICK...AND MOVING EAST AT 20
MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
9 MILES NORTH OF SOUTH BRUNSWICK BY 500 AM EDT...
SOCIETY HILL AND NORTH BRUNSWICK BY 505 AM EDT...
NEW BRUNSWICK BY 510 AM EDT...
EDISON AND EAST BRUNSWICK BY 515 AM EDT...
SAYREVILLE BY 525 AM EDT...
PERTH AMBOY AND OLD BRIDGE BY 530 AM EDT...
DOPPLER RADAR HAS INDICATED SOME WEAK 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.
THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY
RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE
WATER IS CROSSING THE ROAD.
LAT...LON 4054 7425 4049 7426 4051 7431 4048 7434
4047 7432 4050 7430 4046 7424 4030 7439
4041 7456 4049 7446 4050 7446 4053 7450
4058 7448 4059 7432 4056 7422
$$
RNS1 follow-up statement
000
WWUS51 KPHI 080928
SVSPHI
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
529 AM EDT WED AUG 8 2007
NJC023-080939-
/O.CAN.KPHI.SV.W.0186.000000T0000Z-070808T0945Z/
MIDDLESEX NJ-
529 AM EDT WED AUG 8 2007
...THE SEVERE THUNDERSTORM WARNING FOR MIDDLESEX COUNTY IS
CANCELLED...
THE THUNDERSTORM HAS WEAKENED AND MOVED AWAY.
LAT...LON 4054 7425 4049 7426 4051 7431 4048 7434
4047 7432 4050 7430 4046 7424 4030 7439
4041 7456 4049 7446 4050 7446 4053 7450
4058 7448 4059 7432 4056 7422
$$
RNSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 2:31 AM EDT | Severe Thunderstorm Warning | PHI | Warren | 44 min |
| Aug 8, 3:28 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 62 min |
| Aug 8, 4:00 AM EDT | Tornado Warning | PHI | Hunterdon | 30 min |
| Aug 8, 4:12 AM EDT | Severe Thunderstorm Warning | PHI | Somerset | 51 min |
| Aug 8, 4:29 AM EDT | Tornado Warning | PHI | Somerset | 31 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2007Every severe thunderstorm warning in 2007
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.