Alert archive / New Jersey / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 148, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Sep 4, 2001, 6:38 PM EDT for Salem County, New Jersey. It was in force for 52 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
- Sep 4, 2001, 6:38 PM EDT (22:38 UTC)
- Expired
- Sep 4, 2001, 7:30 PM EDT
- In force
- 52 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Salem County, NJ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 4, 6:40 PM EDT | Thunderstorm Wind 56 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 |
|---|---|---|---|
| Sep 4, 3:00 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 10.6 hours before the alert went out and 65 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
- 35 J/kg
- Mixed-layer CIN
- -94 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
294 WUUS51 KPHI 042239 SVRPHI NJC033-042330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 638 PM EDT TUE SEP 4 2001 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SALEM COUNTY IN SOUTHERN NEW JERSEY. * UNTIL 730 PM EDT. * AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM... OVER PENNSVILLE...MOVING SOUTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SALEM...WOODSTOWN AT 645 PM. ALLOWAY AT 655 PM. ELMER AT 700 PM. WINDS MAY EXCEDE 58 MPH WITH HALF INCH TO INCH SIZE HAIL. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM TUESDAY EVENING FOR NORTHERN DELAWARE AND NORTHEAST MARYLAND AND NORTHWESTERN NEW JERSEY AND SOUTHEASTERN PENNSYLVANIA. $$ LAT...LON 3974 7545 3961 7558 3945 7545 3959 7509 EBERWINE
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon | 40 min |
| Sep 4, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Somerset | 43 min |
| Sep 4, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 39 min |
| Sep 4, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex | 42 min |
| Sep 4, 5:51 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth | 39 min |
| Sep 4, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 52 min |
| Sep 4, 7:00 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 60 min |
| Sep 4, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Ocean | 56 min |
| Sep 4, 7:11 PM EDT | Tornado Warning | PHI | Ocean | 34 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.