Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 176, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 11, 2004, 6:32 PM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 73 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 11, 2004, 6:32 PM EDT (22:32 UTC)
- Expired
- Aug 11, 2004, 7:45 PM EDT
- In force
- 73 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 73 km from the middle of the area, began a volume at 22:31 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 11, 12:55 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 10.5 hours before the alert went out and 155 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
- 1077 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 599 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPHI 112232
SVRPHI
NJC019-035-112345-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
631 PM EDT WED AUG 11 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOMERSET COUNTY IN NORTHERN NEW JERSEY.
HUNTERDON COUNTY IN NORTHWEST NEW JERSEY.
* UNTIL 745 PM EDT
* AT 627 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
STOCKTON AND MOVING NORTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
FLEMINGTON BY 650 PM EDT...
WHITE HOUSE STATION...7 MILES SOUTHEAST OF LEBANON AND 8 MILES
NORTHWEST OF MANVILLE BY 715 PM EDT...
6 MILES NORTHWEST OF SOMERVILLE BY 720 PM EDT...
FAR HILLS BY 735 PM EDT...
HAIL UP TO ONE INCH IN DIAMETER HAS BEEN REPORTED IN SEVERAL LOCATIONS
WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE
ACTION TO PROTECT LIFE AND PROPERTY.
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 4066 7448 4066 7448 4069 7451 4069 7452
4066 7454 4065 7449 4063 7450 4039 7472
4042 7478 4037 7487 4035 7485 4034 7493
4042 7499 4073 7481 4071 7473 4074 7455
$$
TFGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 12:46 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 59 min |
| Aug 11, 1:00 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 60 min |
| Aug 11, 1:44 PM EDT | Severe Thunderstorm Warning | PHI | Morris | 46 min |
| Aug 11, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Somerset | 28 min |
| Aug 11, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Somerset | 78 min |
| Aug 11, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 23 min |
| Aug 11, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 53 min |
| Aug 11, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex | 67 min |
| Aug 11, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 41 min |
| Aug 11, 6:47 PM EDT | Flash Flood Warning | PHI | Middlesex | 118 min |
| Aug 11, 7:08 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 32 min |
| Aug 11, 7:45 PM EDT | Flash Flood Warning | PHI | Monmouth | 2 hr |
| Aug 11, 7:58 PM EDT | Flash Flood Warning | PHI | Mercer | 2 hr |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2004Every severe thunderstorm warning in 2004
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.