Alert archive / Missouri / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 3, NWS St. Louis, MO

April 4, 1986Lincoln County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Apr 4, 1986, 4:32 PM CST for Lincoln County, Missouri. It was in force for 28 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1986, 4:32 PM CST (22:32 UTC)
Expired
Apr 4, 1986, 5:00 PM CST
In force
28 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Lincoln 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, 10.5 hours before the alert went out and 184 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 1986-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 24 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, Salem-Leckrone, IL at 12:00Z on 1986-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
24 J/kg
Mixed-layer CIN
-283 J/kg
Mixed-layer LCL
1390 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
63 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 KSTL 042232
SVRSTL
MOC113-042300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAINT LOUIS MO
432 PM CST FRI APR 4 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 500 PM CST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

EAST CENTRAL MISSOURI...LINCOLN

AT 425 PM CST..RADAR SHOWED A SEVERE THUNDERSTORM BETWEEN TROY
AND WARRENTON MISSOURI..ABOUT 30 MILES NORTHWEST OF ST#. LOUIS.
THE STORM DROPPED GOLF BALL SIZE HAIL AT WARRENTON ABOUT 420 PM.
IT WAS MOVING TO THE NORTH NORTHEAST AT 35 MPH.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY OR THE
NATIONAL WEATHER SERVICE AT /314/922-9120.

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, Apr 4, 11:04 AM CST, 5 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1100 AM CST FRI 4 APR 1986

AT 1150 AM CST COLUMBIA RADAR INDICATED A STRONG THUNDERSTORM OVER
STOCKTON LAKE 25 MILES NORTHWEST OF SPRINGFIELD. THIS STORM WAS MOVING
NORTHEAST AT 40 MPH. THE STORM WILL BE MOVING ACROSS HICKORY COUNTY INTO
CAMDEN COUNTY TO NEAR THE LAKE OF THE OZARKS DURING THE NEXT HOUR.
PERSONS IN THESE COUNTIES CAN EXPECT HEAVY RAIN AND GUSTY WINDS WITH
THIS THUNDERSTnORM.
Special weather statement, Apr 4, 11:05 AM CST, 5 hours 27 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE COLUMBIA MO
1100 AM CST FRI 4 APR 1986

AT 1050 AM CST COLUMBIA RADAR INDICATED A STRONG THUNDERSTORM OVER
STOCKTON LAKE 25 MILES NORTHWEST OF SPRINGFIELD. THIS STORM WAS MOVING
NORTHEAST AT 40 MPH. THE STORM WILL BE MOVING ACROSS HICKORY COUNTY INTO
CAMDEN COUNTY TO NEAR THE LAKE OF THE OZARKS DURING THE NEXT HOUR.
PERSONS IN THESE COUNTIES CAN EXPECT HEAVY RAIN AND GUSTY WINDS WITH
ToHIS THUNDERSTORM.
Special weather statement, Apr 4, 3:25 PM CST, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
325 PM CST FRI APR 4 1986

AT 320 PM CST RADAR INDICATED THUNDERSTORMS DEVELOPING RAPIDLY OVER
PORTIONS OF CENTRAL MISSOURI. STRONG THUNDERSTORMS WERE LOCATED 15
MILES SOUTHWEST OF MARSHALL AND ALSO 10 MILES SOUTHWEST OF HERMANN.
BOTH MARSHALL AND HERMANN WILL RECEIVE HEAVY RAIN AND GUSTY WIND
BETWEEN 330 AND 400 PM. THERE WILL ALSO BE THE POSSIBILITY OF SMALL
HAIL.

THUNDERSpTORMS WILL CONTINUE TO DEVELOP OVER THE AREA INTO THIS EVENING.
LISTEN FOR LATER STATEMENTS CONCERNING THIS SITUATION.
VOTAW

Nearby

Severe Thunderstorm Warnings in Missouri, 1986Every severe thunderstorm warning in 1986

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.