Alert archive / New Jersey / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 110, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 17, 2001, 8:54 PM EDT for Hunterdon County, New Jersey. It was in force for 66 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 17, 2001, 8:54 PM EDT (00:54 UTC)
- Expired
- Jul 17, 2001, 10:00 PM EDT
- In force
- 66 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Hunterdon County, NJ
The radar
The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 00:56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 17, 9:30 PM EDT | Thunderstorm Wind 52 E | Flemington, NJ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.9 hours before the alert went out and 176 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
- 849 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 6.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KPHI 180055 SVRPHI NJC019-180200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 854 PM EDT TUE JUL 17 2001 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HUNTERDON COUNTY IN NORTHWEST NEW JERSEY. * UNTIL 1000 PM EDT. * AT 851 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... 3 MILES NORTHWEST OF GLEN GARDNER...MOVING SOUTHEAST AT 20 MPH. LARGE HAIL AND DAMAGING WIND ARE POSSIBLE FROM THIS STORM. * THE SEVERE THUNDERSTORM WILL BE NEAR... GLEN GARDNER AT 900 PM. HIGH BRIDGE AT 905 PM. CALIFON AT 910 PM. LEBANON AT 915 PM. WHITE HOUSE STATION AT 925 PM. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. $$ LAT...LON 4077 7489 4064 7509 4048 748!2 4062 7472
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 8:19 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 41 min |
| Jul 17, 9:51 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 39 min |
| Jul 17, 10:08 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 82 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.