Alert archive / Connecticut / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 38, NWS New York, NY

June 19, 1998Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jun 19, 1998, 5:55 PM EDT for Southeastern Connecticut Planning Region, Connecticut. It was in force for 60 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
Jun 19, 1998, 5:55 PM EDT (21:55 UTC)
Expired
Jun 19, 1998, 6:55 PM EDT
In force
60 min
Issued by
NWS New York, NY
Area
Whole counties

County Southeastern Connecticut Planning Region, CT

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 96 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 122 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
122 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
833 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
69 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.

000 
TTAA00 KNYC 192154 RRA
SVRNYC
CTC011-192255-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
555 PM EDT FRI JUN 19 1998

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NEW LONDON COUNTY IN SOUTHEASTERN CONNECTICUT

* UNTIL 655 PM EDT

* AT 558 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON
NY INDICATED A SEVERE THUNDERSTORM OVER EASTERN NEW
LONDON COUNTY. THIS STORM WAS MOVING SOUTHEAST AT AROUND
10 MILES AN HOUR. THE STORM HAS THE POTENTIAL TO
PRODUCE VERY STRONG GUSTY WINDS...EXTREMELY HEAVY RAIN AND LARGE
HAIL.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

KLEIN

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 5:57 PM EDTFlash Flood WarningOKXSoutheastern Connecticut Planning Region63 min
Jun 19, 6:59 PM EDTFlash Flood WarningOKXSoutheastern Connecticut Planning Region91 min
Jun 19, 7:11 PM EDTFlash Flood WarningOKXLower Connecticut River Valley Planning Region94 min

Nearby

Severe 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; the sounding from the Mesonet's radiosonde archive.