Alert archive / Missouri / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 48, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Sep 23, 1986, 6:12 PM CDT for Audrain County, Boone County, Missouri. It was in force for 48 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 23, 1986, 6:12 PM CDT (23:12 UTC)
- Expired
- Sep 23, 1986, 7:00 PM CDT
- In force
- 48 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Audrain County, MO, Boone County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 23, 6:42 PM CDT | Hail 0.75 | Boone, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Peoria Regional, IL (KPIA), launched 12:00Z, 11.2 hours before the alert went out and 274 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 76 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCOU 232312 SVRCOU MOC007-019-240000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA MO 612 PM CDT TUE SEP 23 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EAST CENTRAL MISSOURI...WESTERN AUDRAIN AND NORTHERN BOONE AT 610 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR JUST NORTH HARRISBURG OR ABOUT 20 MILES NORTH OF COLUMBIA MOVING SOUTHEAST AT 25 MPH. LARGE HAIL AND DAMAGING WINDS ARE LIKELY AS THIS STORM TRACKS ACROSS NORTHERN BOONE COUNTY THROUGH THE CENTRALIA AND HALLSVILLE AREA. REMEMBER A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN EXCESS OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING AND HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA. THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. BE PREPARED TO MOVE TO SAFETY IMMEDIATELY IF O5NE IS SPOTTED. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.
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
Local storm report, Sep 23, 12:15 PM CDT, 5 hours 57 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
1205 PM CDT TUE SEP 23 198
9/22 540PM CDT DONIPHAN COUNTY KS FROM DENTON TO BENDENA
GOLFBALL TO O?RANGE SIZE HAIL.Special weather statement, Sep 23, 4:43 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 430 PM CDT TUE SEP 23 1986 AT 430 PM...A BAND OF SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...EXTENDED FROM THE WESTERN SECTONS OF THE KANSAS CITY METROPOLITAN AREA INTO CENTRAL MISSOURI. THE THUNDERSTORMS WERE IN AN AREA...35 MILES WIDE...AND EXTENDED FROM SOUTHERN LEAVENWORTH COUNTY KANSAS TO ABOUT 40 MILES NORTH OF COLUMBIA MISSOURI. AN INTENSE THUNDERSTORM OVER SOUTHERN LEAVENWORTH COUNTY WILL MOVE EAST ACROSS THE CENTRAL PART OF THE KANSAS CITY AREA. A PERIOD OF VERY HEAVY RAIN WITH BE ASSOCIATED WITH THE STORM...AND POSSIBLY STRONG GUSTY WINDS AND SOME HAIL. ALSO SOMES STREET FLOODING MAY OCCUR WITH THE HEAVY DOWNPOURS. ALL THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.
Special weather statement, Sep 23, 5:34 PM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
530 PM CDT TUE SEP 23 1986
AT 530 PM...A BAND OF SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...EXTENDED FROM EAST KANSAS INTO CENTRAL MISSOURI.
THE THUNDERSTORMS WERE IN AN AREA...40 MILES WIDE...AND EXTENDED FROM
EMPORIA KANSAS THROUGH KANSAS CITY TO ABOUT 40 MILES NORTHEAST OF
COLUMBIA MISSOURI.
AN INTENSE THUNDERSTORM WAS OVER THE CENTRAL SECTIONS OF THE KANSAS
CITY AREA...FROM EASTERN WYANDOTTE COUNTY KANSAS INTO JACKSON COUNTY
MISSOURI. A PERIOD OF VERY HEAVY RAIN WITH BE ASSOCIATED WITH THE
STORM AND SOME STRONG GUSTY WINDS TO 40 TO 45 MILES. ALSO SOME STREET
FLOODING {MAY OCCUR WITH THE HEAVY DOWNPOURS.
ALL THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR.The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 9:52 PM CDT | Flash Flood Warning | EAX | Cass, Jackson | 4 hr |
| Sep 23, 6:05 PM CDT | Severe Thunderstorm Warning | EAX | Jackson | 55 min |
| Sep 23, 6:54 PM CDT | Severe Thunderstorm Warning | EAX | Boone, Howard | 66 min |
| Sep 23, 6:54 PM CDT | Severe Thunderstorm Warning | EAX | Audrain | 66 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.