Alert archive / Missouri / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 32, NWS Kansas City, MO

June 12, 1987Cooper County, Moniteau County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 12, 1987, 3:55 PM CDT for Cooper County, Moniteau County, Missouri. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1987, 3:55 PM CDT (20:55 UTC)
Expired
Jun 12, 1987, 4:45 PM CDT
In force
50 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Cooper County, MO, Moniteau County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Salem-Leckrone, IL (KSLO), launched 12:00Z, 8.9 hours before the alert went out and 330 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, Salem-Leckrone, IL at 12:00Z on 1987-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 762 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem-Leckrone, IL at 12:00Z on 1987-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.193958Sfc1 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
762 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
714 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 5:00 PM CDTSevere Thunderstorm WarningEAXAtchison60 min
Jun 12, 5:16 PM CDTSevere Thunderstorm WarningEAXNodaway59 min
Jun 12, 5:43 PM CDTSevere Thunderstorm WarningEAXHolt62 min
Jun 12, 6:18 PM CDTSevere Thunderstorm WarningEAXAndrew57 min
Jun 12, 6:41 PM CDTSevere Thunderstorm WarningEAXBuchanan64 min
Jun 12, 6:27 PM CDTSevere Thunderstorm WarningEAXDoniphan63 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1987Every severe thunderstorm warning in 1987

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.