Alert archive / Missouri / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 65, NWS Kansas City, MO

August 16, 1987Pettis County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at Aug 16, 1987, 5:35 PM CDT for Pettis County, Missouri. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Aug 16, 1987, 5:35 PM CDT (22:35 UTC)
Expired
Aug 16, 1987, 6:30 PM CDT
In force
55 min
Issued by
NWS Kansas City, MO
Area
Whole counties

County Pettis 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 12:00Z, 10.6 hours before the alert went out and 206 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 12:00Z on 1987-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2243 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 12:00Z on 1987-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
2243 J/kg
Mixed-layer CIN
-220 J/kg
Mixed-layer LCL
1454 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSTL 162236
SVRCOU
MOC141-159-053-135-162330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
535 PM CDT SUN AUG 16 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES OF

CENTRAL MISSOURI...MORGAN...EASTERN PETTIS...SOUTHERN COOPER AND
 MONITEAU

AT 520 PM CDT 3/4 INCH HAIL WAS REPORTED AT COLE CAMP IN
NORTHERN BENTON COUNTY. A LINE OF SEVERE THUNDERSTORMS
WAS IN A 10 MILE WIDE BAND FROM 10 MILES SOUTHEAST OF
SEDALIA TO NEAR WARSAW MOVING EAST AT 30 MILES AN HOUR.

BOATERS ON LAKES SHOULD MOVE TO SHELTER IMMEDIATELY.
SEVERE THUNDERSTORMS WILL PRODUCE DAMAGING WINDS..LARGE HAIL AND
DEADLY LIGHTNING.

HEAVY RAINS WILL QUICKLY FLOOD SMALL STREAMS AND LOW LYING AREAS.

THESE STORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING.
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF ONE IS SPOTTED.

 LA GREE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 5:35 PM CDTSevere Thunderstorm WarningEAXCooper, Moniteau, Morgan55 min
Aug 16, 6:30 PM CDTSevere Thunderstorm WarningEAXBoone, Callaway, Cole60 min
Aug 16, 6:30 PM CDTSevere Thunderstorm WarningEAXMiller60 min
Aug 16, 6:56 PM CDTSevere Thunderstorm WarningEAXCamden64 min

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.