Alert archive / New York / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 26, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at May 31, 1998, 10:10 PM EDT for Westchester County, New York; Greater Bridgeport Planning Region, Connecticut. It was in force for 60 min. 2 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
- May 31, 1998, 10:10 PM EDT (02:10 UTC)
- Expired
- May 31, 1998, 11:10 PM EDT
- In force
- 60 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 |
|---|---|---|---|
| May 31, 11:03 PM EDT | Thunderstorm Wind 50 | Peekskill, NY | |
| May 31, 11:18 PM EDT | Thunderstorm Wind 50 | Pound Ridge, 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 |
|---|---|---|---|
| May 31, 10:00 PM EDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 2.2 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
- 151 J/kg
- Mixed-layer CIN
- -348 J/kg
- Mixed-layer LCL
- 1224 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 319 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 31, 6:13 PM EDT, 3 hours 57 minutes before
NYZ067>081-NJZ002>006-011-CTZ005>012-010400- SPECIAL WEATHER STATEMENT - EVENING SEVERE WEATHER POTENTIAL NATIONAL WEATHER SERVICE NEW YORK NY 613 PM EDT SUN MAY 31 1998 ...ROUGH AND TUMBLE WEATHER IN THE FORM OF SEVERE THUNDERSTORMS IS HEADED FOR THE TRI-STATE REGION... ...A TORNADO WATCH HAS BEEN ISSUED FOR THE ENTIRE TRI-STATE REGION AND IS IN EFFECT UNTIL 1000 PM... A VERY STRONG STORM SYSTEM MOVING INTO SOUTHEASTERN CANADA WILL BRING SOME VERY INTENSE WEATHER TO THE TRI-STATE REGION LATER THIS EVENING. SEVERE THUNDERSTORMS HAVE BEEN MOVING ACROSS PORTIONS OF UPSTATE NEW YORK THROUGHOUT THE AFTERNOON HOURS...AND SEVERE THUNDERSTORMS ARE CURRENTLY DEVELOPING ACROSS CENTRAL AND EASTERN PENNSYLVANIA. THE ATMOSPHERE HAS BECOME VERY UNSTABLE ACROSS OUR REGION AS WELL... AND SEVERE WEATHER IS POSSIBLE LATER THIS EVENING. ANY SEVERE THUNDERSTORMS THAT DO DEVELOP MAY PRODUCE WIND GUSTS WELL OVER 60 MPH WHICH MAY DOWN TREES AND POWER LINES...LARGE HAIL. CONDITIONS ARE FAVORABLE FOR ISOLATED TORNADOES AS WELL. CURRENT PROJECTIONS INDICATE THAT THUNDERSTORMS WILL BEGIN TO ARRIVE IN THE LOWER HUDSON VALLEY AROUND 730 PM...NORTHEAST NEW JERSEY BY ABOUT 830 PM...AND SOUTHERN CONNECTICUT...NEW YORK CITY AND LONG ISLAND WELL AFTER SUNSET. ANYONE WITH OUTDOOR PLANS FOR THIS EVENING SHOULD KEEP A WATCHFUL EYE TO THE SKY. IF THREATENING WEATHER APPROACHES...BE PREPARED TO SEEK SAFE SHELTER. STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR THE LATEST SHORT TERM FORECASTS AND POSSIBLE WARNINGS. REYNOLDS / NWSFO BROOKHAVEN NY
The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:17 PM EDT | Tornado Warning | OKX | Orange | 38 min |
| May 31, 8:33 PM EDT | Severe Thunderstorm Warning | OKX | Putnam | 57 min |
| May 31, 8:47 PM EDT | Tornado Warning | OKX | Orange | 58 min |
| May 31, 9:05 PM EDT | Tornado Warning | OKX | Westchester | 65 min |
| May 31, 9:56 PM EDT | Tornado Warning | OKX | Orange, Putnam | 59 min |
| May 31, 9:56 PM EDT | Tornado Warning | OKX | Rockland | 59 min |
| May 31, 10:37 PM EDT | Flash Flood Warning | OKX | Orange | 118 min |
| May 31, 10:47 PM EDT | Severe Thunderstorm Warning | OKX | Rockland | 48 min |
| May 31, 10:47 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 48 min |
| Jun 1, 2:03 AM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens | 47 min |
| Jun 1, 2:33 AM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 47 min |
| May 31, 10:19 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region | 46 min |
| May 31, 11:11 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region, Southeastern Connecticut Planning Region | 34 min |
| May 31, 11:11 PM EDT | Severe Thunderstorm Warning | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 34 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.