Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 81, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 7, 1998, 2:35 PM EDT for Westchester County, New York; Greater Bridgeport Planning Region, Connecticut. It was in force for 65 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 7, 1998, 2:35 PM EDT (18:35 UTC)
- Expired
- Sep 7, 1998, 3:40 PM EDT
- In force
- 65 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
Counties Greater Bridgeport Planning Region, CT, Westchester County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 2:36 PM EDT | Thunderstorm Wind 52 | Armonk, 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, 6.6 hours before the alert went out and 64 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
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 2:38 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 |
| Sep 7, 2:45 PM EDT | Tornado Warning | OKX | Greater Bridgeport Planning Region | 35 min |
| Sep 7, 2:59 PM EDT | Severe Thunderstorm Warning | OKX | Naugatuck Valley Planning Region | 66 min |
| Sep 7, 4:16 PM EDT | Severe Thunderstorm Warning | OKX | Southeastern Connecticut Planning Region | 44 min |
| 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 |
Nearby
Severe Thunderstorm Warnings in New York, 1998Severe Thunderstorm Warnings in Connecticut, 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.