Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 89, NWS Kansas City, MO

September 27, 1990Daviess County, Grundy County, Livingston County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Sep 27, 1990, 7:20 PM CDT for Daviess County, Grundy County, Livingston County, Missouri. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Sep 27, 1990, 7:20 PM CDT (00:20 UTC)
Expired
Sep 27, 1990, 8:15 PM CDT
In force
55 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Daviess County, MO, Grundy County, MO, Livingston 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 00:00Z, 0.3 hours before the alert went out and 197 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 00:00Z on 1990-09-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 902 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 00:00Z on 1990-09-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
902 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
2024 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
162 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Sep 27, 6:55 PM CDT, 25 minutes before
MOZ004-008-270030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
650 PM CDT THU SEP 27 1990

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEAST
DEKALB..SOUTHERN HARRISON AND NORTHERN DAVIESS COUNTIES IN
NORTHWEST MISSOURI UNTIL 715 PM CDT.

AT 645 PM RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES
SOUTH OF PATTONSBURG..IN DAVIESS COUNTY.  THIS STORM WAS MOVING
EAST AT 25 MPH.

THIS STORM HAD PORDUCED GOLF BALL SIZE HAIL EARLIER AS IT PASSED
THROUGH SOUTHERN GENTRY COUNTY.

IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER
QUICKLY.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 27, 8:15 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy45 min
Sep 27, 9:00 PM CDTSevere Thunderstorm WarningEAXLivingston30 min
Sep 27, 10:54 PM CDTSevere Thunderstorm WarningEAXRandolph41 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.