Alert archive / Missouri / Tornado Warnings in 1991

Tornado Warning 8, NWS Kansas City, MO

June 21, 1991Moniteau County, Missouri

NWS Kansas City, MO issued this tornado warning at Jun 21, 1991, 10:55 AM CDT for Moniteau County, Missouri. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 21, 1991, 10:55 AM CDT (15:55 UTC)
Expired
Jun 21, 1991, 11:30 AM CDT
In force
35 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Moniteau County, MO

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 3.9 hours before the alert went out and 220 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, Springfield, MO at 12:00Z on 1991-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 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, Springfield, MO at 12:00Z on 1991-06-21The 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
531 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1191 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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.