Alert archive / New Jersey / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 75, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 7, 1998, 1:54 PM EDT for Bergen County, Passaic County, New Jersey; Rockland County, New York. It was in force for 46 min. 3 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, 1:54 PM EDT (17:54 UTC)
- Expired
- Sep 7, 1998, 2:40 PM EDT
- In force
- 46 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Bergen County, NJ, Passaic County, NJ, Rockland County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 2:00 PM EDT | Hail 0.75 | West Milford, NJ | |
| Sep 7, 2:25 PM EDT | Thunderstorm Wind 52 | Bergenfield, NJ | |
| Sep 7, 2:27 PM EDT | Thunderstorm Wind 52 | Clifton, 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 7, 1:30 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 5.9 hours before the alert went out and 108 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.
527 WUUS1 KNYC 071756 RRA SVRNYC NJC003-031-NYC087-071840- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 154 PM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ROCKLAND COUNTY IN SOUTHEASTERN NEW YORK BERGEN COUNTY IN NORTHEASTERN NEW JERSEY EASTERN PASSAIC COUNTY IN NORTHEASTERN NEW JERSEY * UNTIL 240 PM EDT * AN AREA OF SEVERE THUNDERSTORMS STRETCHING ACROSS SUSSEX COUNTY AND MORRIS COUNTY ARE MOVING QUICKLY EAST AROUND 50 MPH. THESE STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND GUSTS OF AROUND 60 MPH AND LARGE HAIL. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS 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, 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 |
| Sep 7, 2:20 PM EDT | Tornado Warning | OKX | Essex, Union | 35 min |
| Sep 7, 1:20 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 60 min |
| Sep 7, 2:03 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 47 min |
| Sep 7, 2:31 PM EDT | Severe Thunderstorm Warning | OKX | New York | 49 min |
| Sep 7, 2:31 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens | 49 min |
| Sep 7, 2:35 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 65 min |
| Sep 7, 2:38 PM EDT | Severe Thunderstorm Warning | OKX | Nassau | 62 min |
| Sep 7, 2:48 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 92 min |
| Sep 7, 2:53 PM EDT | Tornado Warning | OKX | Nassau | 32 min |
| Sep 7, 3:13 PM EDT | Tornado Warning | OKX | Suffolk | 32 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 1998Severe Thunderstorm Warnings in New York, 1998Every severe thunderstorm warning 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.