Alert archive / Missouri / Tornado Warnings in 1986

Tornado Warning 16, NWS Paducah, KY

May 15, 1986Scott County, Missouri

NWS Paducah, KY issued this tornado warning at May 15, 1986, 10:05 PM CDT for Scott County, Missouri. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
May 15, 1986, 10:05 PM CDT (03:05 UTC)
Expired
May 15, 1986, 11:00 PM CDT
In force
55 min
Issued by
NWS Paducah, KY
Area
Whole counties

County Scott 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, 3.1 hours before the alert went out and 187 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 1986-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1239 joules per kilogram.LCLEL10008507005003002001001 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 1986-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1239 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
892 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPAH 160305
TORPAH
MOC201-160400-

BULLETIN EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
1005 PM CDT THU MAY 15 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE   
UNTIL 11 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHEAST MISSOURI...SCOTT

AT 10 PM CDT RADAR INDICATED A POSSIBLE TORNADO LOCATED NEAR COMMERCE
MISSOURI..AROUND 7 MILES TO THE SOUTHEAST OF CAPE GIRARDEAU.  MOVEMENT
WAS TO THE EAST AT AROUND 10 MILES AN HOUR.

THIS IS A DANGEROUS STORM.  THERE HAVE BEEN NUMEROUS REPORTS OF
TORNADOES ACROSS SOUTHEAST MISSOURI ALL EVENING LONG.

PERSONS IN  SCOTT COUNTY SHOULD TAKE COVER IMMEDIATELY..ESPECIALLY IN
AND NEAR  COMMERCxE MISSOURI.

IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A BASEMENT
SHELTER IF AVAILABLE.  OTHERWISE GO TO A CENTRAL INTERIOR ROOM ON THE
LOWEST FLOOR POSSIBLE.  ABANDON CARS AHD MOBILE HOMES FOR A REINFORCED
BUILDING.

CAMPBELL

What forecasters said that day

The local office's own words before this tornado 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, May 15, 7:34 PM CDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
735 PM CDT THU MAY 15 1986

...A TORNADO WATCH IS IN EFFECT FOR MOST OF SOUTHERN AND CENTRAL
INDIANA AS WELL AS EXTREME NORTHERN KENTUCKY UNTIL 9 PM CDT.
...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON AND TONIGHT FOR
PARTS OF NORTHERN AND ALL OF WESTERN KENTUCKY...

AT 730 PM CDT THERE WERE STRONG THUNDERSTORMS IN SOUTHWEST INDIANA AND
SOUTHERN ILLINOIS. THE STRONGEST THUNDERSTORMS WERE IN THE PETERSBURG
INDIANA AREA AND NEAR HARRISBURG ILLINOIS. THESE THUNDERSTORMS HAVE
VERY HEAVY RAIN...SMALL HAIL AND STRONG GUSTY WINDS.

THE GENERAL AREA OF THUNDERSTORMS WAS ABOUT 80 MILES WIDE FROM COLUMBUS
INDIANA TO 50 MILES SOUTHWEST OF PADUCAH KENTUCKY. THEY WERE MOVING
NORTHEAST AT 45 MPH.

THESE THUNDERSTORMS HAVE BEEN MOVING THROUGH THE SAME GENERAL AREA
MOST OF THE AFTERNOON AND EVENING. SOME FLOODING OF LOW AREAS IS
LIKELY AS MORE HEAVY RAIN MOVES THjROUGH DURING THE NIGHT.
BLOCK
Special weather statement, May 15, 8:36 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
835 PM CDT THU MAY 15 1986

...A TORNADO WATCH IS IN EFFECT FOR MOST OF SOUTHERN AND CENTRAL
INDIANA AS WELL AS EXTREME NORTHERN KENTUCKY UNTIL 9 PM CDT.
...A FLASH FLOOD WATCH IS IN EFFECT THIS AFTERNOON AND TONIGHT FOR
PARTS OF NORTHERN AND ALL OF WESTERN KENTUCKY...

AT 830 PM CDT THERE WERE STRONG THUNDERSTORMS IN SOUTHWEST INDIANA AND
SOUTHERN ILLINOIS. THE STRONGEST THUNDERSTORMS WERE IN HAMILTON AND
WAYNE COUNTIES NEAR FAIRFIELD AND MCLEANSBORO. THERE WAS ANOTHER VERY
STRONG THUNDERSTORM NEAR WASHINGTON INDIANA IN DAVIESS COUNTY.

THE THUNDERSTORMS WERE ALL MOVING NORTHEAST AT 45 MPH. THE STRONG
THUNDERSTORMS WERE BECOMING FEWER BUT REMAINED POTENTIALY DANGEROUS.

THESE THUNDERSTORMS HAVE BEEN MOVING THROUGH THE SAME GENERAL AREA
MOST OF THE AFTERNOON AND EVENING. SOME FLOODING OF LOW AREAS IS
POSSIBLE.
BLOCK
Special weather statement, May 15, 9:33 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE EVANSVILLE IN
930 PM CDT THU MAY 15 1986

...A TORNADO WATCH IS IN EFFECT FOR SOUTHERN AND CENTRAL INDIANA
AND SOUTHEAST ILLINOIS UNTIL 200 AM CDT.

AT 930 PM CDT THE STRONGEST THUNDERSTORMS WERE IN THE MISSOURI BOOTHEEL
ABOUT 25 MILES WEST OF PADUCAH KENTUCKY. THEY WERE MOVING EAST AT
25 MPH TOWARD WESTERN KENTUCKY.

THE ONLY OTHER THUNDERSTORM WITH HEAVY RAIN WAS IN SOUTHERN ILLINOIS
ABOUT 20 MILES NORTHWEST OF MARION. IT WAS MOVING NORTHEAST AT 40 MPH.

OTHERWISE THERE WERE WIDELY SCATTERED...MOSTLY LIGHT SHOWERS IN WESTERN
KENTUCKY AND SOUTH CENTRAL INDIANA.
BLOCK

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 7:01 PM CDTTornado WarningPAHNew Madrid, Scott, Stoddard59 min
May 15, 8:01 PM CDTTornado WarningPAHScott59 min
May 15, 9:00 PM CDTTornado WarningPAHCape Girardeau60 min
May 15, 9:00 PM CDTTornado WarningPAHScott60 min
May 15, 10:45 PM CDTSevere Thunderstorm WarningPAHCape Girardeau60 min

Nearby

Tornado Warnings in Missouri, 1986Every tornado warning in 1986Tornadoes 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.