Alert archive / Connecticut / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 7, NWS New York, NY

June 21, 1990Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jun 21, 1990, 8:33 PM EDT for Greater Bridgeport Planning Region, Connecticut. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1990, 8:33 PM EDT (00:33 UTC)
Expired
Jun 21, 1990, 9:15 PM EDT
In force
42 min
Issued by
NWS New York, NY
Area
Whole counties

County Greater Bridgeport Planning Region, CT

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Albany, NY (KALB), launched 00:00Z, 0.6 hours before the alert went out and 168 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, Albany, NY at 00:00Z on 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 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, Albany, NY at 00:00Z on 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.19395878Sfc1 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
860 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBDR 220034 RRB
SVRBDR
CTC001-220115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BRIDGEPORT CT
833 PM EDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN BRIDGEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST CONNECTICUT
 
   ...FAIRFIELD COUNTY
 
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE COUN
JUST MENTIONED.

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, Jun 21, 7:50 PM EDT, 43 minutes before
CTZ004-005-220030

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER BRIDGEPORT CT
745 PM EDT THU JUN 21 1990

... A STRONG THUNDERSTORM NEAR NEWBURGH NEW YORK MOVING SOUTHEAST
AT 35 MPH EXPECTED TO MOVE INTO SOUTHWESTERN FAIRFIELD  COUNTY BY
800 PM.

NATIONAL WEATHER SERVICE RADAR SHOWS A STRONG THUNDERSTORM NEAR
NEWBURGH NEW YORK MOVING SOUTHEAST AT 35 MPH. THIS STRONG THUNDERSTORM
IS MOVING TO THE SOUTHEAST AT 35 MPH AND IS EXPECTED  TO PRODUCE
STRONG GUSTY WINDS....LOCALLY HEAVY DOUNPOURS FREQUENT LIGHTNING AND
POSSIBLE HAIL.

PERSONS LIVING IN SOUTHWESTERN  FAIRFIELD COUNTY SHOULD REMAIN ON THE
ALERT FOR THIS THUNDERSTORM ACTIVITY AND SEEK SHELTER IF THIS STRONG
THUNDERSTORM NEARS YOUR AREA DURING THE  NEXT FEW HOURS.

WALKER

Nearby

Severe Thunderstorm Warnings in Connecticut, 1990Every severe thunderstorm warning in 1990

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.