Alert archive / Missouri / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 9, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Mar 21, 1991, 5:59 PM CST for Miller County, Missouri. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Mar 21, 1991, 5:59 PM CST (23:59 UTC)
- Expired
- Mar 21, 1991, 6:45 PM CST
- In force
- 46 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Miller County, MO
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 12.0 hours before the alert went out and 190 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
- 276 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 983 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 224 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.1
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, Mar 21, 3:38 PM CST, 2 hours 21 minutes before
MOZ 013-KSZ 016-212230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 330 PM CST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE TO THE SOUTH OF KANSAS CITY... AT 330 PM...A STRONG THUNDERSTORM WAS 70 MILES SOUTH OF KANSAS CITY... NEAR MOUND CITY...IN LINN COUNTY KANSAS. ANOTHER STRONG THUNDERSTORM WAS ABOUT 60 MILES SOUTH OF KANSAS CITY...AROUND BUTLER...IN BATES COUNTY MISSOURI. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL BE ACCOMPANIED BY A PERIOD OF HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL AND STRONG GUSTY WINDS...AS THEY MOVE ACROSS EASTERN LINN COUNTY THROUGH BATES COUNTY BY 430 PM. OTHER SCAT/TERED SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER SOUTHWEST MISSOURI AND WERE ALSO MOVING NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Mar 21, 3:44 PM CST, 2 hours 15 minutes before
MOZ013-KSZ016-212230- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY...CORRECTION FOR CODING NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 330 PM CST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE TO THE SOUTH OF KANSAS CITY... AT 330 PM...A STRONG THUNDERSTORM WAS 70 MILES SOUTH OF KANSAS CITY... NEAR MOUND CITY...IN LINN COUNTY KANSAS. ANOTHER STRONG THUNDERSTORM WAS ABOUT 60 MILES SOUTH OF KANSAS CITY...AROUND BUTLER...IN BATES COUNTY MISSOURI. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR AND WILL BE ACCOMPANIED BY A PERIOD OF HEAVY RAIN...AND POSSIBLY SOME SMALL HAIL AND STRONG GUSTY WINDS...AS THEY MOVE ACROSS EASTERN LINN COUNTY THROUGH BATES COUNT7Y BY 430 PM. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER SOUTHWEST MISSOURI AND WERE ALSO MOVING NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Mar 21, 4:37 PM CST, 1 hour 22 minutes before
MOZ008-09-13-212330- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 430 PM CST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE TO THE SOUTHEAST OF KANSAS CITY... AT 425 PM...A STRONG THUNDERSTORM WAS 5 MILES SOUTH OF WARRENSBURG MISSOURI IN JOHNSON COUNTY MISSOURI. ANOTHER STRONG THUNDERSTORM WAS IN JACKSON COUNTY MISSOURI...NEAR LEE'S SUMMIT MISSOURI WITH 1/4 INCH HAIL REPORTED AT 425PM. SMALL HAIL WAS REPORTED AROUND 400 PM IN THE SOUTHWEST PORTION OF THE KANSAS CITY METROPOLITIAN AREA. THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS OVER SOUTHEAST KANSAS AND SOUTHWEST AND WESTCENTRAL MISSOURI. THESE STORMS SHOULD CONTINUE TO PRODUCE BRIEF VERY HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL AS THEY MOVE NORTHEAST AT 40 MILES AN HOUR.
Special weather statement, Mar 21, 5:36 PM CST, 23 minutes before
MOZ008-009-013-015-016-220030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 530 PM CST THU MAR 21 1991 ...STRONG THUNDERSTORMS WERE OVER CENTRAL AND SOUTHWEST MISSOURI... AT 525 PM...STRONG THUNDERSTORMS WERE 15 MILES NORTHEAST OF SEDELIA MISSOURI AND 35 MILES NORTHWEST OF SPRINGFIELD MISSOURI. THESE STORMS WERE IN A LARGE AREA OF SCATTERED SHOWERS AND THUNDERSTORMS OVER CENTRAL...SOUTHWEST AND WESTCENTRAL MISSOURI. THESE STORMS HAVE A HISTORY OF PRODUCING BRIEF VERY HEAVY RAIN...STRONG GUSTY WINDS AND SMALL HAIL. SHOWERS AND THUNDERSTORMS CONTINUED TO MOVE NORTHEAST AT 40 MILES AN HOUR.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 5:27 PM CST | Severe Thunderstorm Warning | EAX | Camden | 48 min |
| Mar 21, 5:43 PM CST | Severe Thunderstorm Warning | EAX | Boone, Cooper | 62 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1991Every severe thunderstorm warning in 1991
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.