Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 79, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 7, 1998, 2:31 PM EDT for New York County, New York. It was in force for 49 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, 2:31 PM EDT (18:31 UTC)
- Expired
- Sep 7, 1998, 3:20 PM EDT
- In force
- 49 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
County New York County, NY
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 2:40 PM EDT | Thunderstorm Wind 52 | New York, 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, 6.5 hours before the alert went out and 94 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.
743 WUUS1 KNYC 071833 RRA SVRNYC ANZ338-355-NYC047-061-081-071920- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 231 PM EDT MON SEP 7 1998 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NEW YORK COUNTY INCLUDING ADJACENT COASTAL WATERS IN SOUTHEASTERN NEW YORK KINGS COUNTY INCLUDING ADJACENT COASTAL WATERS IN SOUTHEASTERN NEW YORK QUEENS COUNTY INCLUDING ADJACENT COASTAL WATERS IN SOUTHEASTERN NEW YORK * UNTIL 320 PM EDT * AN AREA OF SEVERE THUNDERSTORMS WERE APPROACHING FROM THE WEST AROUND 50 MPH. THESE STORMS HAVE A HISTORY OF PRODUCING WIND GUSTS IN EXCESS OF 60 MPH AND GOLF BALL SIZE HAIL. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. 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, 1:20 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 | 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 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.