Alert archive / New Jersey / Tornado Warnings in 2007
Tornado Warning 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 8, 2007, 4:00 AM EDT for Hunterdon County, New Jersey. It was in force for 30 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, 4:00 AM EDT (08:00 UTC)
- Expired
- Aug 8, 2007, 4:30 AM EDT
- In force
- 30 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Hunterdon County, NJ
The radar
The Philadelphia radar (KDIX), 90 km from the middle of the area, began a volume at 08:03 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, 8.0 hours before the alert went out and 173 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 WFUS51 KPHI 080759 TORPHI NJC019-080830- /O.NEW.KPHI.TO.W.0001.070808T0800Z-070808T0830Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 400 AM EDT WED AUG 8 2007 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY... * UNTIL 430 AM EDT * AT 355 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HIGH BRIDGE...OR ABOUT 24 MILES EAST OF BETHLEHEM...MOVING EAST AT 40 MPH. * THE TORNADO WILL BE NEAR... WHITE HOUSE STATION BY 405 AM EDT... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4072 7500 4061 7501 4057 7474 4072 7476 $$ RNS
1 follow-up statement
000 WWUS51 KPHI 080815 SVSPHI SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 416 AM EDT WED AUG 8 2007 NJC019-080830- /O.CON.KPHI.TO.W.0001.000000T0000Z-070808T0830Z/ HUNTERDON NJ- 416 AM EDT WED AUG 8 2007 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 430 AM EDT FOR EAST CENTRAL HUNTERDON COUNTY... AT 412 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR WHITE HOUSE STATION...OR ABOUT 22 MILES NORTHWEST OF NEW BRUNSWICK...MOVING SOUTHEAST AT 15 MPH. THE TORNADO WILL BE NEAR... RURAL EASTERN HUNTERDON COUNTY AT 430 AM EDT THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 4065 7481 4058 7485 4051 7477 4062 7472 $$ 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, 3:28 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 62 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
Tornado Warnings in New Jersey, 2007Every tornado warning in 2007Tornadoes 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.