Alert archive / New Jersey / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 189, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Aug 24, 2002, 7:32 PM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2002, 7:32 PM EDT (23:32 UTC)
- Expired
- Aug 24, 2002, 8:00 PM EDT
- In force
- 28 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Hunterdon County, NJ, Somerset County, NJ
The radar
The Philadelphia radar (KDIX), 75 km from the middle of the area, began a volume at 23:33 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 12:00Z, 11.5 hours before the alert went out and 164 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 865 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 6:56 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 34 min |
| Aug 24, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Camden | 24 min |
| Aug 24, 7:26 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 34 min |
| Aug 24, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Camden | 24 min |
| Aug 24, 7:52 PM EDT | Severe Thunderstorm Warning | PHI | Mercer | 38 min |
| Aug 24, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 33 min |
| Aug 24, 7:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 33 min |
| Aug 24, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 46 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2002Every severe thunderstorm warning in 2002
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.