Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 182, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2007, 2:31 AM EDT for Warren County, New Jersey. It was in force for 44 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, 2:31 AM EDT (06:31 UTC)
- Expired
- Aug 8, 2007, 3:15 AM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Warren County, NJ
The radar
The Philadelphia radar (KDIX), 115 km from the middle of the area, began a volume at 06:33 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, 6.5 hours before the alert went out and 179 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 080631 SVRPHI NJC041-080715- /O.NEW.KPHI.SV.W.0182.070808T0631Z-070808T0715Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 231 AM EDT WED AUG 8 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WARREN COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 315 AM EDT * AT 228 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 NEAR ROXBURG...OR ABOUT 18 MILES NORTHEAST OF BETHLEHEM...AND MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BRASS CASTLE AND PLEASANT VALLEY BY 240 AM EDT... OXFORD...WASHINGTON AND 7 MILES SOUTH OF HOPE BY 245 AM EDT... GREAT MEADOWS AND GREAT MEADOWS-VIENNA BY 255 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. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER... PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. 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 4099 7503 4064 7518 4081 7485 4097 7489 $$ RNS
1 follow-up statement
000 WWUS51 KPHI 080708 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 307 AM EDT WED AUG 8 2007 NJC041-080717- /O.EXP.KPHI.SV.W.0182.000000T0000Z-070808T0715Z/ WARREN NJ- 307 AM EDT WED AUG 8 2007 ...THE SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY EXPIRES AT 315 AM EDT... NATIONAL WEATHER SERVICE RADAR SHOWS THE ORIGINAL THUNDERSTORM HAS WEAKENED. HOWEVER, A NEW THUNDERSTORM WILL BE MOVING INTO THE SOUTHWEST PART OF THE COUNTY. THIS THUNDERSTORM COULD PRODUCE DAMAGING WIND GUSTS TO 60 MPH AS IT ENTERS THE WESTERN PART OF THE COUNTY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY RESULT IN LOCALIZED AREAS OF FLOODING. DO NOT DRIVE IN AREAS WHERE WATER IS CROSSING THE ROAD. LAT...LON 4099 7503 4064 7518 4081 7485 4097 7489 $$ RNS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 |
| Aug 8, 4:51 AM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 37 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.