Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 184, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 8, 2007, 3:28 AM EDT for Hunterdon County, Warren County, New Jersey. It was in force for 62 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
- Aug 8, 2007, 3:28 AM EDT (07:28 UTC)
- Expired
- Aug 8, 2007, 4:30 AM EDT
- In force
- 62 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 94 km from the middle of the area, began a volume at 07:29 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 |
|---|---|---|---|
| Aug 8, 3:35 AM EDT | TSTM WND DMG | 3 Wsw Glen Gardner, NJ | WIRES AND NUMEROUS TREES DOWN IN THE VICINITY CHARLESTOWN IN BETHLEHEM TOWNSHIP. NWS FIELD SURVEY INDICATED STRAIGHT-LINE WINDS UP TO 70 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 7.5 hours before the alert went out and 181 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 080729 SVRPHI NJC019-041-080830- /O.NEW.KPHI.SV.W.0184.070808T0728Z-070808T0830Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 328 AM EDT WED AUG 8 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY... SOUTH CENTRAL WARREN COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 430 AM EDT * AT 326 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 HAMPTON...OR ABOUT 20 MILES EAST OF BETHLEHEM...AND MOVING EAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... GLEN GARDNER BY 335 AM EDT... CLINTON BY 340 AM EDT... HIGH BRIDGE AND ANNANDALE BY 345 AM EDT... CALIFON BY 350 AM EDT... LEBANON BY 355 AM EDT... WHITE HOUSE STATION BY 405 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 4077 7517 4057 7515 4051 7477 4070 7472 $$ RNS
1 follow-up statement
000 WWUS51 KPHI 080752 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 352 AM EDT WED AUG 8 2007 NJC041-080802- /O.CAN.KPHI.SV.W.0184.000000T0000Z-070808T0830Z/ WARREN NJ- 352 AM EDT WED AUG 8 2007 ...THE SEVERE THUNDERSTORM WARNING FOR WARREN COUNTY IS CANCELLED... LAT...LON 4076 7490 4062 7510 4054 7474 4070 7472 $$ NJC019-080830- /O.CON.KPHI.SV.W.0184.000000T0000Z-070808T0830Z/ HUNTERDON NJ- 352 AM EDT WED AUG 8 2007 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM EDT FOR NORTHERN HUNTERDON COUNTY... AT 350 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 ANNANDALE...OR ABOUT 25 MILES NORTHWEST OF NEW BRUNSWICK...MOVING EAST AT 45 MPH. 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. LAT...LON 4076 7490 4062 7510 4054 7474 4070 7472 $$ RNS
The 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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.