Alert archive / Missouri / Tornado Warnings in 1991

Tornado Warning 3, NWS Paducah, KY

May 17, 1991Mississippi County, Missouri

NWS Paducah, KY issued this tornado warning at May 17, 1991, 2:20 PM CDT for Mississippi County, Missouri. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
May 17, 1991, 2:20 PM CDT (19:20 UTC)
Expired
May 17, 1991, 2:45 PM CDT
In force
25 min
Issued by
NWS Paducah, KY
Area
Whole counties

County Mississippi County, MO

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.3 hours before the alert went out and 59 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 12:00Z on 1991-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1509 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, Paducah/Barkley, KY at 12:00Z on 1991-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 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
1509 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-40 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.1

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Tornado Warnings in Missouri, 1991Every tornado warning in 1991Tornadoes 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.