Alert archive / New York / Tornado Warnings in 1998
Tornado Warning 15, NWS New York, NY
NWS New York, NY issued this tornado warning at Sep 7, 1998, 2:53 PM EDT for Nassau County, New York. It was in force for 32 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, 2:53 PM EDT (18:53 UTC)
- Expired
- Sep 7, 1998, 3:25 PM EDT
- In force
- 32 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County Nassau County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 2:55 PM EDT | Tornado F2 | Lynbrook, NY | The NWS confirmed that an F2 tornado was responsible for significant damage that occurred in Lynbrook. Most of the village received damage from straight line winds up to 80 mph, that was associated with a severe squall line. Downed trees covered the village |
| Sep 7, 3:10 PM EDT | Hail 1 | Farmingdale, NY | |
| Sep 7, 3:25 PM EDT | Thunderstorm Wind 52 | Massapequa, NY |
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, 6.9 hours before the alert went out and 62 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.
795 WFUS1 KNYC 071855 RRA TORNYC NYC059-071925- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NEW YORK NY 253 PM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * TORNADO WARNING FOR... NORTHERN NASSAU COUNTY IN SOUTHEASTERN NEW YORK * UNTIL 325 PM EDT A TORNADO IS ON THE GROUND ACCORDING TO DOPPLER RADAR NEAR GREAT NECK MOVING EAST AT 40 MPH WILL EFFECT MINEOLA...HICKVILLE... SYOSETT WITHIN THE NEXT 30 MINUTES. GO TO THE BASEMENT IF A BASEMENT IS NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR RS
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 7, 1:20 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 60 min |
| Sep 7, 1:54 PM EDT | Severe Thunderstorm Warning | OKX | Rockland | 46 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, 3:13 PM EDT | Tornado Warning | OKX | Suffolk | 32 min |
Nearby
Tornado Warnings in New York, 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.