Alert archive / Connecticut / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 21, NWS New York, NY

June 16, 1991Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jun 16, 1991, 3:54 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 66 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1991, 3:54 PM EDT (19:54 UTC)
Expired
Jun 16, 1991, 5:00 PM EDT
In force
66 min
Issued by
NWS New York, NY
Area
Whole counties

County Naugatuck Valley Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.9 hours before the alert went out and 144 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 12:00Z on 1991-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 252 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 12:00Z on 1991-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.193958Sfc1 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
252 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
956 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

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, Jun 16, 2:56 PM EDT, 58 minutes before
CTZ001-004-005-162000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BRIDGEPORT CT
255 PM EDT SUN JUN 16 1991

...A FLOOD WATCH FOR NORTHERN CONNECTICUT INCLUDES FAIRFIELD...NEW
HAVEN AND MIDDLESEX COUNTIES UNTIL 10 PM THIS SUNDAY EVENING...

SEVERE THUNDERSTORM WARNINGS FOR DUTCHESS AND PUTNAM COUNTIES IN NEW
YORK STATE UNTIL 345 PM.  THESE COUNTIES ARE ON THE STATE LINE WITH
FAIRFIELD COUNTY IN CONNECTICUT.  THE THUNDERSTORMS WERE MOVING EAST
AT 20 MPH AND SHOULD REACH THE AREA FROM SHERMAN...NEW FAIRFIELD AND
DANBURY AS WELL AS THE CANDLEWOOD LAKE REGION BETWEEN 3 AND 330 PM.
VERY HEAVY RAIN...HAIL AND STRONG WINDS MAY BE WITH THE THUNDERSTORMS.

ALSO MORE THUNDERSTORMS WERE MOVING> INTO THE RIDGEFIELD CONNECTICUT

HAZZARD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 3:11 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region64 min
Jun 16, 5:49 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region56 min
Jun 16, 6:29 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region61 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1991Every severe thunderstorm warning in 1991

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.