Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 75, NWS Kansas City, MO

June 25, 1990Morgan County, Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Jun 25, 1990, 10:36 AM CDT for Morgan County, Pettis County, Missouri. It was in force for 14 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 25, 1990, 10:36 AM CDT (15:36 UTC)
Expired
Jun 25, 1990, 10:50 AM CDT
In force
14 min
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Morgan County, MO, Pettis County, MO

The radar

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

What was reported inside it

TimeReportWhereRemark
Jun 25, 10:36 AM CDTHail 1.75Pettis, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 3.6 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, Springfield, MO at 12:00Z on 1990-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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 1990-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.19395878Sfc1 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
101 J/kg
Mixed-layer CIN
-422 J/kg
Mixed-layer LCL
1645 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 251536
SVRCOU
MOC141-159-251615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
1036 AM CDT MON JUN 25 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1115 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF MISSOURI
      NORTHERN MORGAN...SOUTHEAST PETTIS

AT 1030 AM...A SEVERE THUNDERSTORM WAS JUST SOUTHEAST OF SEDALIA
AND MOVING SOUTHEAST AT 25 MPH.  GOLFBALL SIZE HAIL WAS REPORTED
AT SEDALIA FROM THIS STORM.

DAMAGING WIND...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY
RAIN ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.  STAY INSIDE AND...
AWAY FROM WINDOWS UNTIL THE STORMS PASS.

 DANGEROUS AND FREQUENT CLOUD TO GROUND LIGHTNING IS PROBABLE WITH
 THIS STORM.

 LARM

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.