Alert archive / New Jersey / Tornado Warnings in 2007
Tornado Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Aug 17, 2007, 3:17 PM EDT for Warren County, New Jersey. It was in force for 43 min. 2 reports 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 17, 2007, 3:17 PM EDT (19:17 UTC)
- Expired
- Aug 17, 2007, 4:00 PM EDT
- In force
- 43 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Warren County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 3:45 PM EDT | HAIL 0.75 | Washington, NJ | PENNY SIZE HAIL REPORTED IN WASHINGTON. |
| Aug 17, 3:50 PM EDT | TSTM WND GST 47 | Washington, NJ | A 47 MPH THUNDERSTORM WIND GUST WAS MEASURED IN WASHINGTON. |
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 |
|---|---|---|---|
| Aug 17, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.3 hours before the alert went out and 190 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
- 120 J/kg
- Mixed-layer CIN
- -267 J/kg
- Mixed-layer LCL
- 1465 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS51 KPHI 171917
TORPHI
NJC041-172000-
/O.NEW.KPHI.TO.W.0006.070817T1917Z-070817T2000Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
317 PM EDT FRI AUG 17 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* TORNADO WARNING FOR...
SOUTHERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 400 PM EDT
* AT 312 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HARMONY...
OR ABOUT 10 MILES NORTHEAST OF BETHLEHEM...MOVING EAST AT 40 MPH.
THIS THUNDERSTORM HAS A HISTORY OF PRODUCING TORNADOES IN EASTERN
PENNSYLVANIA.
* THE TORNADO WILL BE NEAR...
BLOOMSBURY AND BRASS CASTLE BY 325 PM EDT...
PLEASANT VALLEY...WASHINGTON AND BRASS CASTLE BY 330 PM 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT FRIDAY
EVENING FOR NORTHERN DELAWARE AND NEW JERSEY AND EASTERN
PENNSYLVANIA.
LAT...LON 4081 7490 4070 7499 4068 7504 4058 7519
4065 7521 4067 7519 4069 7521 4073 7519
4075 7519 4077 7517 4077 7514 4078 7512
4081 7510
TIME...MOT...LOC 1917Z 275DEG 36KT 4071 7516
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 10:32 PM EDT | Special Marine Warning | PHI | 43 min | |
| Aug 16, 11:12 PM EDT | Special Marine Warning | PHI | 63 min | |
| Aug 16, 11:27 PM EDT | Special Marine Warning | PHI | 48 min | |
| Aug 16, 11:36 PM EDT | Special Marine Warning | PHI | 39 min | |
| Aug 17, 12:29 AM EDT | Special Marine Warning | PHI | 46 min | |
| Aug 17, 2:20 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 70 min |
| Aug 17, 2:43 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 62 min |
| Aug 17, 3:05 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 55 min |
| Aug 17, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Somerset | 55 min |
| Aug 17, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 69 min |
| Aug 17, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris | 49 min |
| Aug 17, 3:59 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Aug 17, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Camden | 36 min |
| Aug 17, 4:11 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 49 min |
| Aug 17, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 60 min |
| Aug 17, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 58 min |
| Aug 17, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 64 min |
| Aug 17, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Somerset | 59 min |
| Aug 17, 6:27 PM EDT | Special Marine Warning | PHI | 93 min | |
| Aug 17, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 35 min |
| Aug 17, 7:47 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 58 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.