Alert archive / Missouri / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 46, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Sep 22, 1986, 6:50 PM CDT for Linn County, Macon County, Missouri. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Sep 22, 1986, 6:50 PM CDT (23:50 UTC)
- Expired
- Sep 22, 1986, 7:40 PM CDT
- In force
- 50 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Linn County, MO, Macon 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, 11.8 hours before the alert went out and 259 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
- 1522 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCOU 222350
SVRCOU
MOC115-121-230040-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
650 PM CDT MON SEP 22 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 740 PM CDT FOR THE FOLLOWING COUNTIES OF
NORTH CENTRAL MISSOURI... LINN... MACON
SEVERE THUNDERSTORMS WERE OVER LINN AND MACON COUNTIES IN NORTH CENTRAL
MISSOURI AT 640 PM CDT MOVING SOUTHEAST AT 30 MILES AN HOUR.
THESE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES OR
LARGE HAIL WITH DAMAGING WINDS IN EXCESS OF 60 MPH. IF SEVERE WEATHER
IS SPOTTED..GO TO A SAFE PLACE IMMEDIATELY.
S
THESE THUNDERSTORMS MAY PRODUCE LARGE HAIL...HEAVY RAINS...
DAMAGING WINDS AND DANGEROUS LIGHTNING.
LARMWhat 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, Sep 22, 3:15 PM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 315 PM CDT MON SEP 22 1986 ...A THUNDERSTORM CONTAINING HEAVY RAIN TO ENTER EXTREME NORTHWEST MISSOURI... AT 300 PM CDT...A STRONG THUNDERSTORM WAS LOCATED IN RICHARDSON COUNTY IN SOUTHEAST NEBRASKA. THIS THUNDERSTORM WAS MOVING TOWARD THE NORTHEAST AT ABOUT 25 MPH. THE STORM WILL BE MOVING THROUGH NORTHERN HOLT AND SOUTHERN ATCHISON COUNTIES IN NORTHWESTERN MISSOURI BETWEEN 300 PM AND 430 PM CDT THIS MONDAY AFTERNOON. THIS STORM WILL PRODUCE HAIL..UP TO MARBLE SIZE...GUSTY WINDS AND VERY HEAVY RAINS. THE RAINFALL FROM THIS STORM COULD CAUSE SOME LOW LYING LOCATIONS TO BECOME COVERED WITH WATER AND MOTORISTS SHOULD NOT ATTEMPT TO CROSS WATER COVERED ROADS.
Special weather statement, Sep 22, 4:46 PM CDT, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 430 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST JOSEPH AREA... AT 430 PM...VERY INTENSE THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS AND EXTREME NORTHWEST MISSOURI. IN KANSAS THE STRONGEST THUNDERSTORMS WERE IN BROWN AND DONIPHAN COUNTIES...AND IN MISSOURI THE MOST INTENSE STORMS WERE NORTHWEST AND NORTH OF ST JOSEPH...IN HOLT AND NODAWAY COUNTIES. A PERIOD OF VERY HEAVY RAIN WILL BE ASSOCIATED WITH THE STORMS...AND POSSIBLY STRONG GUSTY WINDS AND HAIL. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.
Special weather statement, Sep 22, 5:30 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 530 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST JOSEPH AREA... AT 530 PM...VERY INTENSE THUNDERSTORMS WERE IN EXTREME NORTHEAST KANSAS AND EXTREME NORTHWEST MISSOURI. IN KANSAS...THE STRONGEST THUNDERSTORMS WERE LOCATED OVER BROWN AND DONIPHAN COUNTIES. IN MISSOURI THE MOST INTENSE STORMS WERE JUST NORTHWEST OF ST. JOSEPH..IN HOLT COUNTY. A PERIOD OF VERY HEAVY RAIN WILL BE ASSOCIATED WITH THE STORMS...AND POSSIBLY STRONG GUSTY WINDS AND HAIL. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR.
Special weather statement, Sep 22, 5:57 PM CDT, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 550 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM FOR DONIPHAN COUNTY KANSAS. INTENSE THUNDERSTORMS COVERED DONIPHAN COUNTY KANSAS..AND SOUTHERN HOLT AND WESTERN BUCHANAN COUNTIES IN MISSOURI. ALTHOUGH SEVERE WEATHER HAS NOT BEEN REPORTED..THE POTENTIAL CONTINUES TO EXIST. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN WHICH COULD CAUSE RAPID FLOODING OF CREEKS..STREAMS..AND LOW LYING URBAN AREAS. DO NOT ATTEMPT T*O WALK OR DRIVE THRU MOVING OR RISING WATER. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 35 MILES AN HOUR AND SHOULD CONTINUE IN THE ST. JOSEPH FOR THE NEXT HOUR.
Special weather statement, Sep 22, 6:35 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 630 PM CDT MON SEP 22 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME NORTHEAST KANSAS AND NORTHERN MISSOURI UNTIL 10 PM CDT...INCLUDING THE ST. JOSEPH AREA... AT 630 PM CDT..ALTHOUGH THE SEVERE THUNDERSTORM WARNING FOR DONIPHAN COUNTY KANSAS IS NO LONGER IN EFFECT..INTENSE THUNDERSTORMS CONTINUED TO COVER EXTREME NORTHEAST KANSAS AND PORTIONS OF NORTHWEST MISSOURI. IN KANSAS..THE STRONGEST STORMS WERE LOCATED OVER ATCHISON AND DONIPHAN COUNTIES..AND IN MISSOURI THE MOST INTENSE ACTIVITY WAS IN BUCHANAN COUNTY. THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN WHICH COULD CAUSE RAPID FLGOODING OF CREEKS..STREAMS..AND LOW LYING URBAN AREAS. DO NOT ATTEMPT TO WALK OR DRIVE THRU MOVING OR RISING WATER. THE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 35 MILES AN HOUR.
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.