Alert archive / New Jersey / Tornado Warnings in 1998
Tornado Warning 16, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this tornado warning at Sep 2, 1998, 8:36 PM EDT for Gloucester County, New Jersey. It was in force for 34 min. 2 reports 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 2, 1998, 8:36 PM EDT (00:36 UTC)
- Expired
- Sep 2, 1998, 9:10 PM EDT
- In force
- 34 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Whole counties
County Gloucester County, NJ
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 00:40 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 |
|---|---|---|---|
| Sep 2, 9:08 PM EDT | Thunderstorm Wind 50 | Swedesboro, NJ | |
| Sep 2, 9:20 PM EDT | Thunderstorm Wind 57 | Clayton, 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
Wallops Is Stn, VA (KWAL), launched 00:00Z, 0.6 hours before the alert went out and 200 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
- 1204 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1070 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHL 030036 RRA TORPHL NJC015-030110- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 836 PM EDT WED SEP 2 1998 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * TORNADO WARNING FOR... EXTREME EASTERN GLOUCESTER COUNTY IN NEW JERSEY * UNTIL 910 PM EDT * AT 834 PM EDT... A TORNADO WAS INDICATED 7 MILES NORTHEAST OF NEWFIELD OR IN THE VICINITY OF CECIL... BY NATIONAL WEATHER SERVICE DOPPLER RADAR... MOVING EAST SOUTHEAST 25 MPH. * THE TORNADO IS EXPECTED TO AFFECT RURAL AREAS. DO NOT TRY TO OUTRUN THIS TORNADO WITH YOUR CAR OR OTHER VEHICLE. ABANDON CARS OR MOBILE HOMES FOR SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...GET IN A CULVERT OR DITCH AND COVER YOUR HEAD WITH YOUR HANDS. IN A HOME OR BUSINESS...SEEK SHELTER IN A BASEMENT...OR AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. STAY AWAY FROM WINDOWS. FOR THE LATEST STORM INFORMATION...PLEASE TUNE TO NOAA WEATHER RADIO...YOUR LOCAL RADIO OR TELEVISION STATIONS...OR YOUR CABLE TELEVISION OUTLET. MD/RPW
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Gloucester | 32 min |
| Sep 2, 8:27 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 48 min |
| Sep 2, 8:39 PM EDT | Severe Thunderstorm Warning | PHI | Camden, Gloucester | 51 min |
| Sep 2, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 51 min |
| Sep 2, 10:02 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic | 48 min |
Nearby
Tornado Warnings in New Jersey, 1998Every tornado warning in 1998Tornadoes in 1998
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.