Alert archive / Connecticut / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 22, NWS Boston/Norton, MA

June 16, 1991Northwest Hills Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 16, 1991, 3:11 PM EDT for Northwest Hills Planning Region, Connecticut. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1991, 3:11 PM EDT (19:11 UTC)
Expired
Jun 16, 1991, 4:15 PM EDT
In force
64 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Northwest Hills Planning Region, CT

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 7.2 hours before the alert went out and 106 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.

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 16, 4:01 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region59 min
Jun 16, 4:11 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region64 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.