Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 88, NWS Kansas City, MO

September 27, 1990DeKalb County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 27, 1990, 6:32 PM CDT for DeKalb County, Missouri. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Sep 27, 1990, 6:32 PM CDT (23:32 UTC)
Expired
Sep 27, 1990, 7:15 PM CDT
In force
43 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County DeKalb 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

Topeka, KS (KTOP), launched 12:00Z, 11.5 hours before the alert went out and 145 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, Topeka, KS at 12:00Z on 1990-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Topeka, KS at 12:00Z on 1990-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
13 J/kg
Mixed-layer CIN
-544 J/kg
Mixed-layer LCL
2089 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMCI 272332
SVRMCI
MOC061-063-081-280015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
632 PM CDT THU SEP 27 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST MISSOURI
          ...NORTHERN DAVIESS...NORTHEASTERN DEKALB
          ...SOUTHERN HARRISON
 
AT 615 PvM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHEAST
GENTRY COUNTY...MOVING EAST AT 25 MPH TOWARD PATTONSBURG MISSOURI.

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 7:20 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Livingston55 min
Sep 27, 5:38 PM CDTSevere Thunderstorm WarningEAXGentry67 min
Sep 27, 6:32 PM CDTSevere Thunderstorm WarningEAXDaviess, Harrison43 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm warning in 1990

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.