Alert archive / New Jersey / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 15, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Apr 9, 2001, 8:50 PM EDT for Gloucester County, Salem County, New Jersey. It was in force for 40 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
- Apr 9, 2001, 8:50 PM EDT (00:50 UTC)
- Expired
- Apr 9, 2001, 9:30 PM EDT
- In force
- 40 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
Counties Gloucester County, NJ, Salem County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 9, 8:55 PM EDT | Thunderstorm Wind 50 E | Countywide, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 9, 7:00 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.8 hours before the alert went out and 191 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
- 218 J/kg
- Mixed-layer CIN
- -432 J/kg
- Mixed-layer LCL
- 1819 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
594 WUUS51 KPHI 100052 SVRPHL NJC005-007-015-023-025-033-100130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 850 PM EDT MON APR 9 2001 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN MONMOUTH COUNTY IN CENTRAL NEW JERSEY. MIDDLESEX COUNTY IN NORTHERN NEW JERSEY. WESTERN BURLINGTON COUNTY IN SOUTHERN NEW JERSEY. SALEM COUNTY IN SOUTHERN NEW JERSEY. CAMDEN COUNTY IN SOUTHERN NEW JERSEY. GLOUCESTER COUNTY IN SOUTHERN NEW JERSEY. * UNTIL 930 PM EDT. * AT 847 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... 6 MILES WEST OF BORDENTOWN...MOVING EAST AT 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... CLEARBROOK PARK...DAYTON...EAST BRUNSWICK AT 855 PM. JAMESBURG AT 900 PM. DAMAGING WINDS IN EXCESS OF 70 MPH ARE EXPECTED FROM THE STRONGEST STORMS. ROOFS HAVE BEEN REPORTED BLOWN OFF HOMES IN BUCKS COUNTY WITH THIS STORM. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THE STORM HAS PASSED. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATION...OR YOUR CABLE TELEVISION OUTLET. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 9, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | Sussex, Warren | 26 min |
| Apr 9, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer | 38 min |
| Apr 9, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 40 min |
| Apr 9, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden | 40 min |
| Apr 9, 8:56 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 34 min |
| Apr 9, 9:01 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 29 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.