Alert archive / Connecticut / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 44, NWS Boston/Norton, MA

July 10, 1993Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 10, 1993, 2:45 PM EDT for Capitol Planning Region, Connecticut. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1993, 2:45 PM EDT (18:45 UTC)
Expired
Jul 10, 1993, 3:30 PM EDT
In force
45 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Capitol Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 6.8 hours before the alert went out and 217 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, Chatham, MA at 12:00Z on 1993-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 107 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, Chatham, MA at 12:00Z on 1993-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
107 J/kg
Mixed-layer CIN
-242 J/kg
Mixed-layer LCL
1599 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
41 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
Jul 10, 3:02 PM EDTSevere Thunderstorm WarningBOX58 min
Jul 10, 3:54 PM EDTSevere Thunderstorm WarningBOXSoutheastern Connecticut Planning Region, Northeastern Connecticut Planning Region66 min
Jul 10, 4:22 PM EDTSevere Thunderstorm WarningBOXKent, Washington58 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1993Every severe thunderstorm warning in 1993

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.