Alert archive / Connecticut / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 59, NWS New York, NY

August 18, 1991Greater Bridgeport Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Aug 18, 1991, 5:07 PM EDT for Greater Bridgeport Planning Region, Connecticut. It was in force for 53 min.

The area

The counties it named.

The facts

Issued: Aug 18, 1991, 5:07 PM EDT (21:07 UTC)
Expired: Aug 18, 1991, 6:00 PM EDT
In force: 53 min
Issued by: NWS New York, NY
Area: Whole counties

County Greater Bridgeport Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 9.1 hours before the alert went out and 276 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: 247 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 619 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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, Aug 18, 4:43 PM EDT, 24 minutes before

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Special weather statement, Aug 18, 5:00 PM EDT, 7 minutes before

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Nearby

Severe Thunderstorm Warnings in Connecticut, 1991 Every 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.