Alert archive / Kansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Mar 12, 1990, 9:00 PM CST for Johnson County, Kansas; Jackson County, Missouri. It was in force for 30 min.
The area
The counties it named.
The facts
- Issued
- Mar 12, 1990, 9:00 PM CST (03:00 UTC)
- Expired
- Mar 12, 1990, 9:30 PM CST
- In force
- 30 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Johnson County, KS, Jackson 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 00:00Z, 3.0 hours before the alert went out and 91 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
- 1430 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1353 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 285 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMCI 130303
SVRMCI
KSC091-209-MOC095-165-047-130330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI
900 PM CST MON MAR 12 1990
THE NATIONAL WEATHER SERVICE IN KANSAS CITY MISSOURI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN EAST CENTRAL KANSAS
...EAST CENTRAL JOHNSON...WYANDOTTE
IN NORTHWEST MISSOURI
...NORTHWESTERN JACKSON...SOUTHERN PLATTE
IN WEST CENTRAL MISSOURI
...SOUTHERN CLAY
A SEVERE THUNDERSTORM PRODUCING 3/4 INCH HAIL AND HEAVY RAIN WAS
PASSING THROUGH SHAWNEE KANSAS. THE THUNDERSTORM WAS MOVING TO THE
NORTHEAST AT 40 MILES AN HOUR.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.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, Mar 12, 8:08 PM CST, 52 minutes before
MOZ008-009-013-015-KSZ016-1230300 SPECIAL WEATHER STSTEMENT NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 805 PM CST MON MAR 12 1990 ...THUNDERSTORMS FORMING RADIPLY OVER SOUTHEAST KANSAS... AT 800PM STRONG THUNDERSTORMS WERE LOCATED OVER SOUTHEAST KANSAS... MAINLY SOUTH OF A LINE FROM EMPORIA TO OTTAWA. THESE STORMS HAVE FORMED SINCE 730PM AND WILL PRODUCE HAIL AND GUSTY WINDS AS THEY MOVE NORTHEAST AT 30 TO 40 MILES AN HOUR. THE THUNDERSTORMS SHOULD MOVE INTO THE SOUTHERN PARTS OF THE GREATER KANSAS CITY AREA NOW LATER THEN 9 OR 930PM. ALONG WITH THE GUSTY WINDS AND HAIL THESE STORMS WILL ALSO PRODUCE VERY HEAVY RAIN. REMEMBER DO NOT WALK OR DRIVE THROUGH HIGH WATER.
Special weather statement, Mar 12, 8:37 PM CST, 23 minutes before
MOZ008-009-013-015-KSZ016-1230300 SPECIAL WEATHER STSTEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 835 PM CST MON MAR 12 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST KANSAS AND NORTHWEST MISSOURI... AT 825 PM STRONG THUNDERSTORMS WITH HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL WERE DEVELOPING IN A 40 MILE WIDE AREA FROM DOWNTOWN KANSAS CITY TO NEAR WICHITA KANSAS. THE STRONGEST STORMS WERE LOCATED FROM 55 MILES SOUTHWEST OF TOPEKA KANSAS TO OLATHE KANSAS. PERSONS IN THE KANSAS CITY METRO AREA SHOULD PREPARE FOR RAPIDLY CHANGING WEATHER OVER THE NEXT 3 HOURS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. AMIS
Special weather statement, Mar 12, 8:41 PM CST, 19 minutes before
MOZ008-009-013-015-KSZ016-1230330- SPECIAL WEATHER STSTEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY MO INTERNATIONAL AIRPORT 835 PM CST MON MAR 12 1990 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST KANSAS AND NORTHWEST MISSOURI... AT 825 PM STRONG THUNDERSTORMS WITH HEAVY RAIN...GUSTY WINDS AND POSSIBLE SMALL HAIL WERE DEVELOPING IN A 40 MILE WIDE AREA FROM DOWNTOWN KANSAS CITY TO NEAR WICHITA KANSAS. THE STRONGEST STORMS WERE LOCATED FROM 55 MILES SOUTHWEST OF TOPEKA KANSAS TO OLATHE KANSAS. PERSONS IN THE KANSAS CITY METRO AREA SHOULD PREPARE FOR RAPIDLY CHANGING WEATHER OVER THE NEXT 3 HOURS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR. AMIS
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 9:00 PM CST | Severe Thunderstorm Warning | EAX | Wyandotte | 30 min |
| Mar 12, 10:18 PM CST | Severe Thunderstorm Warning | EAX | Doniphan | 42 min |
| Mar 12, 10:55 PM CST | Severe Thunderstorm Warning | EAX | Leavenworth | 35 min |
| Mar 12, 11:34 PM CST | Severe Thunderstorm Warning | EAX | Leavenworth | 26 min |
| Mar 13, 12:01 AM CST | Tornado Warning | EAX | Leavenworth | 29 min |
| Mar 13, 12:25 AM CST | Tornado Warning | EAX | Leavenworth | 35 min |
| Mar 12, 10:23 PM CST | Severe Thunderstorm Warning | EAX | Mercer | 52 min |
| Mar 12, 10:41 PM CST | Severe Thunderstorm Warning | EAX | Andrew, Holt | 34 min |
| Mar 12, 11:34 PM CST | Severe Thunderstorm Warning | EAX | Clay | 26 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 1990Severe Thunderstorm Warnings in Missouri, 1990Every severe thunderstorm warning in 1990
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.