Alert archive / New Jersey / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 233, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Oct 11, 2007, 2:31 PM EDT for Hunterdon County, Morris County, Warren County, New Jersey. It was in force for 44 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
- Oct 11, 2007, 2:31 PM EDT (18:31 UTC)
- Expired
- Oct 11, 2007, 3:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
Counties Hunterdon County, NJ, Morris County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 108 km from the middle of the area, began a volume at 18:32 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 |
|---|---|---|---|
| Oct 11, 3:08 PM EDT | HAIL 0.25 | Hackettstown, NJ | PEA SIZE HAIL REPORTED IN HACKETTSTOWN. |
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 12:00Z, 6.5 hours before the alert went out and 162 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
- 6 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 110 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 111832
SVRPHI
NJC019-027-041-111915-
/O.NEW.KPHI.SV.W.0233.071011T1831Z-071011T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
231 PM EDT THU OCT 11 2007
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
NORTHEASTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY...
EASTERN WARREN COUNTY IN NORTHWEST NEW JERSEY...
* UNTIL 315 PM EDT
* AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR CALIFON...OR
ABOUT 29 MILES EAST OF BETHLEHEM...AND MOVING NORTHEAST AT 15 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
GREAT MEADOWS AND GREAT MEADOWS-VIENNA BY 245 PM EDT...
HACKETTSTOWN BY 250 PM EDT...
ALLAMUCHY...ALLAMUCHY-PANTHER VALLEY AND BUDD LAKE BY 300 PM EDT...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...SMALL 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 4096 7483 4091 7477 4091 7473 4090 7471
4090 7468 4089 7464 4063 7480 4069 7498
4098 7489
TIME...MOT...LOC 1831Z 203DEG 15KT 4078 7485
$$
RPWThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 3:48 AM EDT | Special Marine Warning | PHI | 57 min | |
| Oct 11, 4:15 AM EDT | Tornado Warning | PHI | Cumberland | 30 min |
| Oct 11, 4:47 AM EDT | Special Marine Warning | PHI | 88 min | |
| Oct 11, 6:15 AM EDT | Special Marine Warning | PHI | 45 min | |
| Oct 11, 6:18 AM EDT | Special Marine Warning | PHI | 27 min | |
| Oct 11, 2:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth | 38 min |
| Oct 11, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 38 min |
| Oct 11, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 61 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.