Alert archive / Missouri / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 6, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Apr 7, 1986, 7:30 PM CST for Bates County, Missouri; Linn County, Kansas. It was in force for 60 min. 3 reports 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
- Apr 7, 1986, 7:30 PM CST (01:30 UTC)
- Expired
- Apr 7, 1986, 8:30 PM CST
- In force
- 60 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Linn County, KS, Bates 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 |
|---|---|---|---|
| Apr 7, 7:45 PM CST | Hail 0.75 | Linn, KS | |
| Apr 7, 7:45 PM CST | Hail 0.75 | Linn, KS | |
| Apr 7, 8:24 PM CST | Hail 1.75 | Bates, 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
Topeka, KS (KTOP), launched 00:00Z, 1.5 hours before the alert went out and 125 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
- 1567 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 1107 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Apr 7, 4:31 PM CST, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 430PM CST MON APR 7 1986 ...A TORNADAO WATCH IS IN EFFECT UNTIL 11PM CST FOR EAST CENTRAL KANSAS AND WEST CENTRAL MISSOURI INCLUDING THE KANSAS CITY AREA... AT 430PM ISOLATED STRONG THUNDERSTORMS WERE BEGINNING TO FORM OVER EAST KANSAS...MORE THAN 125 MILES WEST OF KANSAS CITY AND 125 MILES SOUTHWEST OF KANSAS. ISOLATED THUNDENRSTORMS WERE ALSO FORMING IN WEST CENTRAL MISSOURI... FROM 25 MILES SOUTH OF KANSAS CITY TO JUST WEST OF THE LAKE OF THE OZARKS. THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 6:09 PM CST | Severe Thunderstorm Warning | EAX | Johnson, Miami | 36 min |
| Apr 7, 6:53 PM CST | Severe Thunderstorm Warning | EAX | Miami | 37 min |
| Apr 7, 7:14 PM CST | Severe Thunderstorm Warning | EAX | Miami | 46 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1986Severe Thunderstorm Warnings in Kansas, 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.