Alert archive / Missouri / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 3, NWS St. Louis, MO

March 22, 1987Franklin County, Missouri

NWS St. Louis, MO issued this severe thunderstorm warning at Mar 22, 1987, 2:13 AM CST for Franklin County, Missouri. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Mar 22, 1987, 2:13 AM CST (08:13 UTC)
Expired
Mar 22, 1987, 2:45 AM CST
In force
32 min
Issued by
NWS St. Louis, MO
Area
Whole counties

County Franklin 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 00:00Z, 8.2 hours before the alert went out and 191 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 00:00Z on 1987-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1987-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
2206 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
126 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 220812
SVRSTL
MOC071-220845-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
213 AM CST SUN MAR 22 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 245 AM CST FOR THE FOLLOWING COUNTY OF
 
EAST CENTRAL MISSOURI... FRANKLIN
                                                                         
AT 208 AM RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES WEST OF 
UNION MISSOURI MOVING EAST AT 20 MPH.  THE STORM SHOULD MOVE THROUGH 
UNION BY 230 AM. 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH
...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.
 
MCCARTHY

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, Mar 21, 10:12 PM CST, 4 hours 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1010 PM CST SAT MAR 21 1987

....THUNDERSTORMS MOVING THROUGH SOUTH PORTIONS OF CENTRAL MISSOURI....

AT 1005PM CST COLUMBIAS RADAR SHOWED SCATTERED THUNDERSTORMS WITH VERY
HEAVY RAIN IN AN AREA OF MOSTLY MODERATE SHOWERS IN CENTRAL MISSOURI.
THE AREA WAS ABOUT 20 MILES WIDE..SOUTHEAST OF A LINE EXTENDING FROM
35 MILES EAST OF COLUMBIA TO 50 MILES SOUTHWEST OF JEFFERSON CITY.

THE STRONGEST THUNDERSTORMS WERE IN A SMALL CLUSTER AROUND BAGNELL DAM
AND BETWEEN TUSCUMBIA AND FREEBURG...ALSO AROUND LINN IN OSAGE COUNTY.
VERY HEAVY SHOWERS..INTENSE CLOUD TO GROUND LIGHTNING..AND PEA-SIZED
HAIL WERE REPORTED ABOUT 5 MILES WEST OF> LINN AROUND 945PM CST.

THE THUNDERSTOMS WERE MOVING TO THE NORTHEAST AROUND 20 MILES AN HOUR.
Special weather statement, Mar 21, 11:43 PM CST, 2 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1140 PM CST SAT MAR 21 1987

...THUNDERSTORMS REDEVELOPE IN SOUTH COUNTIES OF CENTRAL MISSOURI...

AT 1130 PM CST COLUMBIAS RADAR SHOWED NUMEROUS THUNDERSTORMS WITH VERY
HEAVY SHOWERS IN AN AREA ABOUT 50 MILES WIDE, SOUTHEAST OF A LINE
EXTENDING FROM 20 MILES NORTH OF ST. LOUIS, TO OSCEOLA TO GOLDEN CITY
IN SOUTHWEST MISSOURI.  SMALL HAIL WAS REPORTED IN ELDON AND RADAR
INDICATED THE POSSIBILITY OF SMALL HAIL WITH MANY OF THE STRONGER
THUNDERSTORMS.

THE INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE EAST AROUND 25 MILES AN
HOUR WHILE THE GENERAL AREA MOVED TO THE SOUTHEAST AROUND 15 MILES AN
HOUR.

NO SEVERE WEATHER WAS REuPORTED IN CENTRAL MISSOURI THIS EVENING.
Special weather statement, Mar 22, 12:49 AM CST, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
1245 AM CST SUN MAR 22 1987

...STRONG THUNDERSTORMS MOVING ACROSS CENTRAL MISSOURI...

AT 1230AM CST COLUMBIAS RADAR SHOWED SCATTERED THUNDERSTORMS WITH VERY
HEAVY SHOWERS IN AN AREA COVERING ALL OF CENTRAL MISSOURI SOUTH AND
SOUTHEAST OF A LINE EXTENDING FROM ST. LOUIS TO MID-WAY BETWEEN COLUMBIA
AND JEFFERSON CITY ON DOWN TO EL DORADO SPRINGS IN SOUTHWEST MISSOURI.
MARBLE SIZE HAIL WAS REPORTED SHORTLY AFTER MIDNIGHT IN WHEATLAND..IN
HICKORY COUNTY..SLIGHTLY LARGER THAN PEA SIZE HAIL IN JEFFERSON CITY..
POWER OUTAGE IN CAMDENTON DUE TO INTENSE LIGHTNING.

THE THUNDERSTORMS WERE MOVING TO THE EAST-NORTHEAST AROUND 25 MILES AN
HOURS.

NO SEVERE WEATHER WAS REPORTED OR INDICATED BY RADAR IN CENTRAL MISSOURI
DURING THE LAST HOUR.
Special weather statement, Mar 22, 1:45 AM CST, 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE COLUMBIA MO
140 AM CST SUN MAR 22 1987

...THUNDERSTORMS...HEAVY RAINS CONTINUE TO RUMBLE ACROSS MID-MISSOURI...

AT 130 AM CST COLUMBIAS RADAR SHOWED THE STRONG THUNDERSTORMS BECOMING
MORE WIDELY SCATTERED...IN AN AREA COVERING CENTRAL MISSOURI SOUTH OF A
LINE EXTENDING FROM WELLSVILLE IN MONTGOMERY COUNTY TO ABOUT 10 MILES
EAST OF SEDALIA, AND EAST OF A LINE FROM NEAR SEDALIA TO OSCEOLA.

THE HEAVIEST SHOWERS WERE SCATTERED FROM WARSAW TO NEAR TIPTON, AND FROM
IBERIA TO 25 MILES NORTHEAST OF VICHY.  MARBLE SIZE HAIL WAS REPORTED
5 MILES SOUTH OF WARSAW IN BENTON COUNTY.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 25 MILES AN HOUR.

Nearby

Severe Thunderstorm Warnings in Missouri, 1987Every severe thunderstorm warning in 1987

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.