Alert archive / Illinois / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 39, NWS Paducah, KY

July 31, 1993Massac County, Pulaski County, Illinois

NWS Paducah, KY issued this severe thunderstorm warning at Jul 31, 1993, 8:22 PM CDT for Massac County, Pulaski County, Illinois. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 31, 1993, 8:22 PM CDT (01:22 UTC)
Expired
Jul 31, 1993, 9:15 PM CDT
In force
53 min
Issued by
NWS Paducah, KY
Area
Whole counties

Counties Massac County, IL, Pulaski County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 00:00Z, 1.4 hours before the alert went out and 26 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, Paducah/Barkley, KY at 00:00Z on 1993-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Paducah/Barkley, KY at 00:00Z on 1993-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 31, 8:05 PM CDTSevere Thunderstorm WarningPAHCape Girardeau, Scott55 min
Jul 31, 7:01 PM CDTSevere Thunderstorm WarningPAHFranklin, Jackson59 min
Jul 31, 7:33 PM CDTSevere Thunderstorm WarningPAHWilliamson42 min
Jul 31, 7:51 PM CDTSevere Thunderstorm WarningPAHSaline54 min
Jul 31, 7:51 PM CDTSevere Thunderstorm WarningPAHUnion54 min
Jul 31, 8:05 PM CDTSevere Thunderstorm WarningPAHJohnson55 min
Jul 31, 8:22 PM CDTSevere Thunderstorm WarningPAHHardin, Pope53 min
Jul 31, 8:22 PM CDTSevere Thunderstorm WarningPAHAlexander53 min
Jul 31, 8:38 PM CDTSevere Thunderstorm WarningPAHBallard, Livingston, McCracken52 min

Nearby

Severe Thunderstorm Warnings in Illinois, 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.