Alert archive / New Jersey / Tornado Warnings in 1998
Tornado Warning 13, NWS New York, NY
NWS New York, NY issued this tornado warning at Sep 7, 1998, 2:20 PM EDT for Essex County, Union County, New Jersey. It was in force for 35 min. 4 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 7, 1998, 2:20 PM EDT (18:20 UTC)
- Expired
- Sep 7, 1998, 2:55 PM EDT
- In force
- 35 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Essex County, NJ, Union County, NJ
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 18:21 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 7, 2:20 PM EDT | Hail 1.25 | Mountainside, NJ | |
| Sep 7, 2:27 PM EDT | Tornado F0 | Plainfield, NJ | An F0 tornado touched down in a highly populated residential area from Northern Plainfield east across Southern Scotch Plains. Signs of rotation were evident in damage to trees and eyewitness reports included the sighting of funnel clouds. The Mayor of Plain |
| Sep 7, 2:30 PM EDT | Thunderstorm Wind 52 | Orange, NJ | |
| Sep 7, 2:35 PM EDT | Tornado F1 | Clark, NJ | An F1 tornado occurred across Northcentral Clark. There was significant damage to large trees. A narrow path of large trees were sheared off more than midway down their trunks near the Cali Center at 100 Walnut Avenue. The Mayor of Clark estimated that the |
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 7, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Sep 7, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.3 hours before the alert went out and 120 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
- 242 J/kg
- Mixed-layer CIN
- -232 J/kg
- Mixed-layer LCL
- 1668 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
697 WFUS1 KNYC 071822 RRA TORNYC NJC013-039-071855- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW YORK NY 220 PM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * TORNADO WARNING FOR... ESSEX COUNTY IN NORTHEASTERN NEW JERSEY UNION COUNTY IN NORTHEASTERN NEW JERSEY * UNTIL 255 PM EDT * DOPPLER RADAR INDICATED A POSSIBLE TORNADO WITHIN AN INTENSE AREA OF THUNDERSTORMS NEAR PLAINFIELD. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR PW
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:41 PM EDT | Severe Thunderstorm Warning | OKX | Passaic | 49 min |
| Sep 7, 1:54 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 46 min |
| Sep 7, 2:03 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Union | 47 min |
| Sep 7, 2:03 PM EDT | Severe Thunderstorm Warning | OKX | Hudson | 47 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.