Alert archive / Missouri / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 81, NWS Kansas City, MO

August 2, 1990Atchison County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 2, 1990, 7:39 PM CDT for Atchison County, Missouri. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1990, 7:39 PM CDT (00:39 UTC)
Expired
Aug 2, 1990, 8:30 PM CDT
In force
51 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Atchison 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

Omaha, NE (KOAX), launched 00:00Z, 0.7 hours before the alert went out and 127 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, Omaha, NE at 00:00Z on 1990-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1990-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 132 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3608 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
132 m²/s²
0-3 km storm-relative helicity
214 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 030039
SVRMCI
MOC005-030130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
739 PM CDT THU AUG 2 1990
 
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST MISSOURI
          ...NORTHERN ATCHISON
 
RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHWEST ATCHISON
COUNTY..MOVEMENT WAS SOUTH EAST AT 25 MILES AN HOUR. GOLFBALL SIZE
HAIL WAS REPORTED WITH THIS STORM AT HAMBURG IOWA.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OjR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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.