Alert archive / New York / Tornado Warnings in 1998

Tornado Warning 4, NWS New York, NY

May 31, 1998Westchester County, New York; Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this tornado warning at May 31, 1998, 9:05 PM EDT for Westchester County, New York; Greater Bridgeport Planning Region, Connecticut. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 1998, 9:05 PM EDT (01:05 UTC)
Expired: May 31, 1998, 10:10 PM EDT
In force: 65 min
Issued by: NWS New York, NY
Area: Whole counties

Counties Greater Bridgeport Planning Region, CT, Westchester County, NY

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, 5:00 PM EDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 1.1 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

987 
WFUS1 KNYC 010107 RRA
TORNYC
CTC001-NYC119-010210-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
905 PM EDT SUN MAY 31 1998

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WESTCHESTER COUNTY IN SOUTHEASTERN NEW YORK
  FAIRFIELD COUNTY IN SOUTHWESTERN CONNECTICUT

* UNTIL 1010 PM EDT

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...   CROSS
  RIVER...   BOUTONVILLE...   RIDGEBURY...   RIDGEFIELD...   NEW
  FAIRFIELD...   DANBURY...   WILTON...   CANNONDALE...   BETHEL...
    BROOK FIELD...   REDDING AND   NEWTOWN.

* AT 903 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A POSSIBLE TORNADO IN THE VICINITY OF YORKTOWN MOVING EAST AT 40
  MPH.

THIS DANGEROUS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS
AND HAIL AND POSSIBLE TORNADOES.

THIS IS A DANGEROUS STORM. GO TO THE BASEMENT OR A SMALL INTERIOR
ROOM ON THE LOWEST FLOOR

MCKILLOP/KLEIN

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, 9:56 PM EDT	Tornado Warning	OKX	Orange, Putnam	59 min
May 31, 9:56 PM EDT	Tornado Warning	OKX	Rockland	59 min
May 31, 10:10 PM EDT	Severe Thunderstorm Warning	OKX	Westchester	60 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

Tornado Warnings in New York, 1998 Tornado Warnings in Connecticut, 1998 Every tornado warning in 1998 Tornadoes 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; the sounding from the Mesonet's radiosonde archive.