Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 87, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 21, 2007, 6:56 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 64 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
- Jun 21, 2007, 6:56 PM EDT (22:56 UTC)
- Expired
- Jun 21, 2007, 8:00 PM EDT
- In force
- 64 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Sussex County, NJ, Warren County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 7:35 PM EDT | TSTM WND DMG | Hackettstown, NJ | GUST FRONT DOWNED WIRES IN HACKETTSTOWN |
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 |
|---|---|---|---|
| Jun 21, 2:47 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.9 hours before the alert went out and 164 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1515 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 117 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 212257 SVRPHI NJC037-041-220000- /O.NEW.KPHI.SV.W.0087.070621T2256Z-070622T0000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 656 PM EDT THU JUN 21 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SUSSEX COUNTY IN NORTHWEST NEW JERSEY... NORTHEASTERN WARREN COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 800 PM EDT * AT 648 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THIS STORM WAS LOCATED 20 MILES NORTHWEST OF CRANDON LAKES...OR ABOUT 32 MILES EAST OF SCRANTON...AND MOVING SOUTHEAST AT 35 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CRANDON LAKES BY 720 PM EDT... BRANCHVILLE BY 725 PM EDT... NEWTON BY 735 PM EDT... ANDOVER...LAKE MOHAWK AND 8 MILES SOUTHWEST OF OGDENSBURG BY 740 PM EDT... 8 MILES NORTHEAST OF ALLAMUCHY-PANTHER VALLEY BY 745 PM 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. LAT...LON 4127 7481 4103 7503 4084 7482 4107 7453 $$ KRUZDLO
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 40 min |
| Jun 21, 7:13 PM EDT | Marine Weather Statement | PHI | 3 hr | |
| Jun 21, 7:24 PM EDT | Special Marine Warning | PHI | 66 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.