Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 18, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Apr 12, 1993, 3:39 PM CDT for Cass County, Henry County, Johnson County, Missouri. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1993, 3:39 PM CDT (20:39 UTC)
- Expired
- Apr 12, 1993, 4:40 PM CDT
- In force
- 61 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Cass County, MO, Henry County, MO, Johnson County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 8.7 hours before the alert went out and 150 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1394 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 213 m²/s²
- 0-3 km storm-relative helicity
- 366 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 12, 12:57 PM CDT, 2 hours 42 minutes before
MOZ008-009-KSZ016-121900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 1255 PM CST MON APR 12 1993 ...STRONG THUNDERSTORMS MOVING INTO KANSAS CITY METRO AREA... AT 1250 PM...TWO LINES OF STRONG THUNDERSTORMS WERE OCCURRING OVER NORTHEAST KANSAS. THE FIRST LINE OF STORMS EXTENDED FROM JUST NORTH OF OLATHE TO JUST NORTH OF PEOLA...IN JOHNSON AND MIAMI COUNTIES. THESE STRORMS HAVE PRODUCED PEA TO MARBLE SIZE HAIL IN GARDNER...WHICH IS ABOUT 10 MILES SOUTHWEST OF OLATHE. THE OTHER LINE OF THUNDERSTORMS EXTENDED EXTREME WESTERN JOHNSON COUNTY ...TO THE SOUTHEAST OF LAWRENCE...TO JUST WEST OF TOPEKA. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR...NAND THEY WILL MOVE THROUGH THE SOUTHWEST AND WEST PARTS OF THE METRO AREA BETWEEN 100 AND 230 PM. . HAIL OF UP TO MARBLE SIZE...GUSTY WINDS...AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. DESTRI
Special weather statement, Apr 12, 1:55 PM CDT, 1 hour 44 minutes before
MOZ008-009-KSZ016-121900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 1255 PM CST MON APR 12 1993 ...STRONG THUNDERSTORMS MOVING INTO KANSAS CITY METRO AREA... AT 1250 PM...TWO LINES OF STRONG THUNDERSTORMS WERE OCCURRING OVER NORTHEAST KANSAS. THE FIRST LINE OF STORMS EXTENDED FROM JUST NORTH OF OLATHE TO JUST NORTH OF PEOLA...IN JOHNSON AND MIAMI COUNTIES. THESE STRORMS HAVE PRODUCED PEA TO MARBLE SIZE HAIL IN GARDNER...WHICH IS ABOUT 10 MILES SOUTHWEST OF OLATHE. THE OTHER LINE OF THUNDERSTORMS EXTENDED EXTREME WESTERN JOHNSON COUNTY ...TO THE SOUTHEAST OF LAWRENCE...TO JUST WEST OF TOPEKA. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR...AND THEY WILL MOVE THROUGH THE SOUTHWEST AND WEST PARTS OF THE METRO AREA BETWEEN 100 AND 230 PM. . HAIL OF UP TO MARBLE SIZE...GUSTY WINDS...AND VERY HEAVY RAIN ARE LIKELY WITH THESE STORMS. DESTRI
Special weather statement, Apr 12, 3:01 PM CDT, 38 minutes before
MOZ008-009-KSZ016-122045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 300 PM CST MON APR 12 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE KANSAS CITY AREA UNTIL 800 PM... ...STRONG THUNDERSTORMS MOVING INTO KANSAS CITY METRO AREA... AT 255 PM...STRONG THUNDERSTORMS WERE OCCURRING OVER NORTHEAST KANSAS AND WERE MOVING EAST-NORTHEAST AT 40 MILES AN HOUR. SOME VERY STRONG STORMS WERE NEAR LAWRENCE AND DE SOTO KANSAS AND WERE PRODUCING PEA TO MARBAL SIZED HAIL WITH STRONG GUSTY WIND. AS THE STORMS CONTINUE TO TRACK TO THE EAST-NORTHEAST THEY WILL BE ENTERING THE WESTERN PARTS OF THE KANSAS CITY METRO AREA BETWEEN 300 AND 315 PM...MAINLY AFFECTING THE PARTS OF THE METRO AREA NORTH OF THE KANSAS AND MISSOURI RIVERS. SOME COMMUNITIES IN THE PATH OF THESE STORMS ARE TONGANOXIE...LEAVENWORTH... PARKVILLE AND RIVERSIDE. THESE THUNDERSTORMS MAY DEVELOP TO SEVERE LEVELS WITH LARGE HAIL...STRONG DAMAdGING WINDS AND VERY HEAVY RAIN. STAY ALERT FOR RAPIDLY DEVELOPING STORMS AND LITEN FOR FURTHER UPDATES. HIBBERT
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 4:27 PM CDT | Tornado Warning | EAX | Pettis | 33 min |
| Apr 12, 4:53 PM CDT | Severe Thunderstorm Warning | EAX | Benton, Pettis | 37 min |
| Apr 12, 1:05 PM CDT | Severe Thunderstorm Warning | EAX | Johnson | 40 min |
| Apr 12, 2:00 PM CDT | Severe Thunderstorm Warning | EAX | Linn | 45 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1993Every severe thunderstorm warning in 1993
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.