Alert archive / New Jersey / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 95, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 17, 2004, 7:08 PM EDT for Bucks County, Pennsylvania; Hunterdon County, Mercer County, New Jersey. It was in force for 52 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
- Jun 17, 2004, 7:08 PM EDT (23:08 UTC)
- Expired
- Jun 17, 2004, 8:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
Counties Hunterdon County, NJ, Mercer County, NJ, Bucks County, PA
The radar
The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 23:11 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 |
|---|---|---|---|
| Jun 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 11.1 hours before the alert went out and 136 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
- 456 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 655 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
183 WUUS51 KPHI 172308 SVRPHI NJC019-021-PAC017-180000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 708 PM EDT THU JUN 17 2004 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN MERCER COUNTY IN CENTRAL NEW JERSEY THIS INCLUDES THE CITY OF TRENTON SOUTHWESTERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY BUCKS COUNTY IN SOUTHEAST PENNSYLVANIA * UNTIL 800 PM EDT * AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTH OF DUBLIN...OR ABOUT 14 MILES SOUTHEAST OF BETHLEHEM...AND MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... DUBLIN BY 715 PM EDT... DOYLESTOWN BY 725 PM EDT... NEW HOPE BY 730 PM EDT... RICHBORO BY 735 PM EDT... NEWTOWN BY 740 PM EDT... WOODSIDE...LANGHORNE AND EWING BY 745 PM EDT... LAT...LON 4060 7508 4038 7540 4009 7492 4021 7468 $$ WN
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 2:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| Jun 17, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 50 min |
| Jun 17, 5:23 PM EDT | Special Marine Warning | PHI | 97 min | |
| Jun 17, 5:58 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 32 min |
| Jun 17, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 33 min |
| Jun 17, 6:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 30 min |
| Jun 17, 3:29 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 31 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2004Severe Thunderstorm Warnings in Pennsylvania, 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.