Alert archive / Kansas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 72, NWS Topeka, KS
NWS Topeka, KS issued this severe thunderstorm warning at May 12, 1986, 8:47 PM CDT for Brown County, Kansas. It was in force for 43 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
- May 12, 1986, 8:47 PM CDT (01:47 UTC)
- Expired
- May 12, 1986, 9:30 PM CDT
- In force
- 43 min
- Issued by
- NWS Topeka, KS
- Area
- Whole counties
County Brown County, KS
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 |
|---|---|---|---|
| May 12, 9:10 PM CDT | Hail 1 | Brown, KS |
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, 1.8 hours before the alert went out and 92 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
- 2058 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 1781 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTOP 130147 SVRTOP KSC013-130230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TOPEKA KS 847 PM CDT MON MAY 12 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST KANSAS...BROWN AT 845PM CDT RADAR SHOWED A SEVERE THUNDERSTORM ALONG THE KANSAS/ NEBRASKA BORDER JUST NORTHWEST OF HIAWATHA KANSAS. THE STORM WAS MOVING SOUTHEAST AT 25 MPH. GOLFBALL SIZE HAIL HAS BEEN ASSOCIATED WITH THIS STORM AS IT MOVED ACROSS NORTHWEST MISSOURI AND SOUTHEAST NEBRASKA EARLIER THIS EVENING. PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE TO A PLACE OF SAFETY. DAMAGING WINDS...LARGE HAIL...HEAVY DOWNPOURS AND DANGEROUS LIGHTNING ARE LIKELY. AKULOW
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, May 12, 6:45 PM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 645 PM CDT MON MAY 12 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CLAY AND WASHINGTON COUNTIES OF NORTH CENTRAL KANSAS AND DICKINSON..MCPHERSON AND SALINE COUNTIES OF CENTRAL KANSAS UNTIL MIDNIGHT CDT... AT 645 PM CDT THERE WERE NO THUNDERSTORMS IN NORTH CENTRAL OR CENTRAL KANSAS. THERE WAS A NEWLY DEVELOPED LIGHT SHOWER 25 MILES EAST OF MARYSVILLE NEAR SENECA IN NORTHEAVST KANSAS. THE SHOWER SHOULD MOVE EAST NORTHEAST AT 20 MPH. PHILLIPS 2345
Special weather statement, May 12, 6:56 PM CDT, 1 hour 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 655 PM CDT MON MAY 12 1986 SEVERE THUNDERSTORM WATCH NUMBER 152 CONTINUES FOR MUCH OF NORTHEAST AND EASTCENTRAL KANSAS UNTIL MIDNIGHT CDT. AT 650PM...A LIGHT SHOWER HAD FORMED NEAR SENECA KANSAS WITH VERY STRONG THUNDERSTORMS NOTED IN EXTREME NORTHWEST MISSOURI AND SOUTHWEST IOWA. THE THUNDERSTORMS ARE EXPECTED TO DEVELOP SOUTHWARD INTO KANSAS LATER TONIGHT AS THE ATMOSPHERE R^EMAINS VERY UNSTABLE AND FAVORABLE FOR THUNDERSTORM GROWTH. IN THE MEANTIME RESIDENTS SHOULD BE ALERT TO LOCAL WEATHER CONDITIONS. AKULOW
Special weather statement, May 12, 7:45 PM CDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 745 PM CDT MON MAY 12 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CLAY AND WASHINGTON COUNTIES OF NORTH CENTRAL KANSAS AND DICKINSON..MCPHERSON AND SALINE COUNTIES OF CENTRAL KANSAS UNTIL MIDNIGHT CDT... AT 745 PM CDT THERE WERE NO THUNDERSTORMS IN NORTH CENTRAL OR CENTRAL KANSAS. PHILLIPS 0045
Special weather statement, May 12, 7:52 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 751 PM CDT MON MAY 12 1986 SEVERE THUNDERSTORM WATCH NUMBER 152 CONTINUES FOR MUCH OF NORTHEAST AND EASTCENTRAL KANSAS UNTIL MIDNIGHT CDT. AT 750PM...NO THUNDERSTORMS HAD YET FORMED OR MOVED INTO NORTHEAST OR EASTCENTRAL KANSAS...HOWEVER VERY INTENSE THUNDERSTORMS CONTINUED TO MOVE SOUTHWARD ACROSS NORTHWEST MISSOURI AND EXTREME SOUTHEAST NEBRASKA. THESE STORMS COULD PUSH INTO NORTHEAST KANSAS LATER THIS EVENING AS WEATHER CONDITIONS REMAIN GOOD FOR THUNDERSTORM DEVELOPMENT. STAY TUNED TO LOCAL RADIO OR TV FOR LATER STATEMENTS. AKULOW
Special weather statement, May 12, 8:18 PM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOPEKA KS 818 PM CDT MON MAY 12 1986 SEVERE THUNDERSTORM WATCH NUMBER 152 CONTINUES FOR MUCH OF NORTHEAST AND EASTCENTRAL KANSAS UNTIL MIDNIGHT CDT. NO THUNDERSTORMS HAD YET DEVELOPED OR MOVED INTO NORTHEAST OR EAST CENTRAL KANSAS AT 815PM. A LARGE AND POTENT MASS OF STORMS REACHED ACROSS THE NORTHWEST CORNER OF MISSOURI TO SOUTHEAST NEBRASKA NEAR FALLS CITY. THE STORMS WERE MOVING SOUTHEAST AT ABOUT 30 MILES AN HOUR AND SHOULD CROSS DONIPHAN AND THE NORTHEAST CORNER OF BROWN COUNTIES BETWEEN 830 AND 915 THIS EVENING. RESIDENTS IN THESE TWO EXTREME NORTHEAST KANSAS COUNTIES SHOULD BE PREPARED FOR DANGEROUS LIGHTNING...HEAVY DOWNPOURS AND POSSIBLY SOME HAIL. SCHURR
Special weather statement, May 12, 8:41 PM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CONCORDIA KS 840 PM CDT MON MAY 12 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR CLAY AND WASHINGTON COUNTIES OF NORTH CENTRAL KANSAS AND DICKINSON..MCPHERSON AND SALINE COUNTIES OF CENTRAL KANSAS UNTIL MIDNIGHT CDT... AT 840 PM CDT THERE WERE NO THUNDERSTORMS IN NORTH CENTRAL OR CENTRAL KANSAS. THERE WAS A MASSIVE SEVERE THUNDERSTORM IN EXTREME NORTHWEST MISSOURI NORTH OF ST. JOSEPH AND WAS MOVING SOUTHEAST AT 25 MPH. PHILLIPS 0141
The office that day
Everything else NWS Topeka, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 9:37 PM CDT | Severe Thunderstorm Warning | TOP | Atchison | 53 min |
| May 12, 10:04 PM CDT | Severe Thunderstorm Warning | TOP | Jackson, Jefferson | 56 min |
| May 12, 10:22 PM CDT | Severe Thunderstorm Warning | TOP | Shawnee | 58 min |
| May 12, 10:59 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Jefferson | 46 min |
| May 12, 11:20 PM CDT | Severe Thunderstorm Warning | TOP | Douglas, Osage, Shawnee | 70 min |
| May 13, 12:00 AM CDT | Severe Thunderstorm Warning | TOP | Franklin | 60 min |
| May 13, 12:31 AM CDT | Severe Thunderstorm Warning | TOP | Douglas, Osage | 29 min |
| May 13, 1:00 AM CDT | Severe Thunderstorm Warning | TOP | Franklin | 45 min |
Nearby
Severe 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.