Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 199, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 18, 2004, 7:04 AM EDT for Hunterdon County, Warren County, New Jersey. It was in force for 86 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
- Sep 18, 2004, 7:04 AM EDT (11:04 UTC)
- Expired
- Sep 18, 2004, 8:30 AM EDT
- In force
- 86 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Warren County, NJ
The radar
The Philadelphia radar (KDIX), 110 km from the middle of the area, began a volume at 11:06 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, 11.1 hours before the alert went out and 177 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 180 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 181106
SVRPHI
NJC019-041-181230-
/X.NEW.KPHI.SV.W.0003.040918T1104Z-040918T1230Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
704 AM EDT SAT SEP 18 2004
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY
WARREN COUNTY IN NORTHWEST NEW JERSEY
* UNTIL 830 AM EDT
* AT 702 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM. THIS STORM WAS LOCATED NEAR GLEN GARDNER...OR
ABOUT 20 MILES EAST OF BETHLEHEM...AND MOVING NORTH AT 25 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
WASHINGTON BY 715 AM EDT
OXFORD AND BELVIDERE BY 725 AM EDT
8 MILES WEST OF HACKETTSTOWN BY 735 AM EDT
BLAIRSTOWN BY 750 AM EDT
DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.
LAT...LON 4098 7486 4095 7482 4092 7482 4082 7484
4079 7489 4075 7485 4060 7488 4060 7514
4077 7513 4080 7509 4084 7509 4086 7505
4092 7510 4098 7510
$$
JJMThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 6:09 AM EDT | Flash Flood Warning | PHI | Warren | 4 hr |
| Sep 18, 6:22 AM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 38 min |
| Sep 18, 6:46 AM EDT | Flash Flood Warning | PHI | Sussex | 3 hr |
| Sep 18, 7:07 AM EDT | Flash Flood Warning | PHI | Hunterdon | 4 hr |
| Sep 18, 7:37 AM EDT | Flash Flood Warning | PHI | Morris | 4 hr |
| Sep 18, 9:48 AM EDT | Flash Flood Warning | PHI | Sussex, Warren | 4 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.