Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 165, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 11, 2004, 3:27 PM EDT for Middlesex County, Somerset County, New Jersey. It was in force for 78 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, 3:27 PM EDT (19:27 UTC)
- Expired
- Aug 11, 2004, 4:45 PM EDT
- In force
- 78 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Middlesex County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 19:29 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, 7.5 hours before the alert went out and 141 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 111927
SVRPHI
NJC023-035-112045-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
326 PM EDT WED AUG 11 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MIDDLESEX COUNTY IN NORTHERN NEW JERSEY.
SOMERSET COUNTY IN NORTHERN NEW JERSEY.
* UNTIL 445 PM EDT
* AT 325 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DEVELOPING SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL
...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
INTENSIFYING AS IT WAS MOVING THROUGH PRINCETON TOWNSHIP. THIS STORM
WAS MOVING NORTHEAST AT 20 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
ROCKY HILL BY 340 PM EDT...
MILLSTONE BY 400 PM EDT...
MANVILLE AND SOMERVILLE BY 405 PM EDT...
SOMERSET BY 410 PM EDT...
BOUND BROOK BY 415 PM EDT...
MIDDLESEX AND SOCIETY HILL BY 420 PM EDT...
LAT...LON 4066 7454 4064 7451 4065 7441 4059 7446
4059 7431 4058 7429 4059 7424 4057 7422
4038 7461 4038 7473 4050 7480 4060 7468
4070 7452 4070 7451
$$
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, 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, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Somerset | 73 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.