Alert archive / Missouri / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 20, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Apr 13, 1993, 9:46 AM CDT for Clay County, Missouri. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Apr 13, 1993, 9:46 AM CDT (14:46 UTC)
- Expired
- Apr 13, 1993, 10:30 AM CDT
- In force
- 44 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Clay County, MO
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 2.8 hours before the alert went out and 274 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
- 828 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 615 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 388 m²/s²
- 0-3 km storm-relative helicity
- 381 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.0
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 13, 8:43 AM CDT, 1 hour 3 minutes before
MOZ001-004-005-008-009-013-KSZ016-131445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 843 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN KANSAS ...AND PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM... AT 840 AM...SCATTERED THUNDERSTORMS...SOME VERY STRONG...WERE IN EAST KANSAS AND OVER PARTS OF WESTCENTRAL MISSOURI. THE STRONGEST THUNDERSTORMS WERE IN EAST KANSAS. A VERY STRONG THUNDERSTORM WAS IN EXTREME NORTHEAST KANSAS...45 MILES WEST OF ST JOSEPH. THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AND WILL MOVE INTO EXTREME NORTHWEST MISSOURI...TO THE NORTH OF ST JOSEPH... AROUND 915 AM. VERY HEAVY RAIN AND SOME SMALL HAIL IS LIKELY WITH THIS STORM. OTHER STRONG STORMS WERE JUST NORTH OF EMPORIA...40 MILES SOUTHSOUTHWEST OF KANSAS CITY...NEAR POALA...AND IN MISSOURI 60 MILES SOUTHEAST OF KANSAS CITY OR JUST NORTHWEST OF CLINTON. THE STRONGER THUNDERSTORMS ALL CONTAIN VERY HEAVY RAIN AND COULD HAVE HAIL. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 13, 8:44 AM CDT, 1 hour 2 minutes before
MOZ001-004-005-008-009-013-KSZ016-131445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 843 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN KANSAS ...AND PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM... AT 840 AM...SCATTERED THUNDERSTORMS...SOME VERY STRONG...WERE IN EAST KANSAS AND OVER PARTS OF WESTCENTRAL MISSOURI. THE STRONGEST THUNDERSTORMS WERE IN EAST KANSAS. A VERY STRONG THUNDERSTORM WAS IN EXTREME NORTHEAST KANSAS...45 MILES WEST OF ST JOSEPH. THIS STORM WAS MOVING NORTHEAST AT 25 MILES AN HOUR AND WILL MOVE INTO EXTREME NORTHWEST MISSOURI...TO THE NORTH OF ST JOSEPH... AROUND 915 AM. VERY HEAVY RAIN AND SOME SMALL HAIL IS LIKELY WITH THIS STORM. OTHER STRONG STORMS WERE JUST NORTH OF EMPORIA...40 MILES SOUTHSOUTHWEST OF KANSAS CITY...NEAR POALA...AND IN MISSOURI 60 MILES SOUTHEAST OF KANSAS CITY OR JUST NORTHWEST OF CLINTON. THE STRONGER THUNDERSTORMS ALL CONTAIN VERY HEAVY RAIN AND COULD HAVE HAIL. THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 13, 9:05 AM CDT, 41 minutes before
MOZ001-004-005-008-009-013-KSZ016-131445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 905 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN KANSAS ...AND PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM... AT 900 AM...A LINE OF VERY STRONG THUNDERSTORMS WAS IN EAST KANSAS... EXTENDING FROM THE NORTHEAST CORNER OF KANSAS TO TOPEKA TO 30 MILES SOUTH OF TOPEKA. THE VERY STRONG THUNDERSTORM IN EXTREME NORTHEAST KANSAS...25 MILES NORTHWEST OF ST JOSEPH WILL MOVE INTO EXTREME NORTHWEST MISSOURI...NORTH OF ST JOSEPH... AROUND 9 15 AM...PASSING JUST SOUTH OF MOUND CITY...AND MOVING INTO NORTHERN ANDREW COUNTY...NORTH OF SAVANNAH...BY 945 AM. VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL WILL OCCUR WITH THIS STORM. THE OTHER VERY STRONG STORMS AROUND TOPEKA AND TO THE SOUTH OF TOPEKA WERE MOVING EAST-NORTHEAST AT 30 MILES AN HOUR AND WILL REACH THE WESTERN PART OF THE KANSAS CITY METROPOLITAN AREA BETWEEN 930 AND 1000 AM THIS MORNING. THE STRONGER THUNDERSTORMS ALL CONTAIN VERY HEAVY RAIN AND COULD HAVE HAIL. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARN,INGS.
Special weather statement, Apr 13, 9:05 AM CDT, 41 minutes before
MOZ001-004-005-008-009-013-KSZ016-131445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 905 AM CDT TUE APR 13 1993 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF EASTERN KANSAS ...AND PORTIONS OF WESTERN AND CENTRAL MISSOURI UNTIL 300 PM... AT 900 AM...A LINE OF VERY STRONG THUNDERSTORMS WAS IN EAST KANSAS... EXTENDING FROM THE NORTHEAST CORNER OF KANSAS TO TOPEKA TO 30 MILES SOUTH OF TOPEKA. THE VERY STRONG THUNDERSTORM IN EXTREME NORTHEAST KANSAS...25 MILES NORTHWEST OF ST JOSEPH WILL MOVE INTO EXTREME NORTHWEST MISSOURI...NORTH OF ST JOSEPH... AROUND 9 15 AM...PASSING JUST SOUTH OF MOUND CITY...AND MOVING INTO NORTHERN ANDREW COUNTY...NORTH OF SAVANNAH...BY 945 AM. VERY HEAVY RAIN AND POSSIBLY SOME SMALL HAIL WILL OCCUR WITH THIS STORM. THE OTHER VERY STRONG STORMS AROUND TOPEKA AND TO THE SOUTH OF TOPEKA WERE MOVING EAST-NORTHEAST AT 30 MILES AN HOUR AND WILL REACH THE WESTERN PART OF THE KANSAS CITY METROPOLITAN AREA BETWEEN 930 AND 1000 AM THIS MORNING. THE STRONGER THUNDERSTORMS ALL CONTAIN VERY HEAVY RAIN AND COULD HAVE HAIL. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARN,INGS.
Special weather statement, Apr 13, 9:38 AM CDT, 8 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-131545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 938 AM CDT TUE APR 13 1993 ...STRONG THUNDERSTORMS MOVING INTO THE METRO AREA... AT 930 AM...NUMEROUS STRONG THUNDERSTORMS PRODUCING PEA TO MARBLE SIZE HAIL...AND VERY HEAVY RAIN WERE OCCURRING OVER EASTERN KANSAS AND OVER PARTS OF THE KANSAS CITY METROPOLITAN AREA...WITH SCATTERED SHOWERS AND THUNDERSTORMS IN WESTERN MISSOURI. THE STRONGEST STORMS WERE IN A LINE WITH THE LEADING EDGE EXTENDING FROM NORTH OF ST. JOSEPH NEAR MARYVILLE MISSOURI...TO LAWRENCE KANSAS ...WITH ANOTHER STORM JUST WEST OF DOWNTOWN KANSAS CITY MISSOURI. PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED OVER PARTS OF OVERLAND PARK AND KANSAS CITY KANSAS. MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MILES AN HOUR...SO THUNDERSTORMS WILL SPREAD INTO ALL OF THE KANSAS CITY METRO AREA BY 1100 AM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 PM THIS AFTERNOON FOR PORTIONS OF EASTERN KANSAS AND WESTERN AND CENTRAL MISSOURI... INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS. REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AS SOME OF THE STORMS MAY INTENSIFY AND BECOME SEVERE IN A SHORT PERIOD OF TIME. ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR WEST CENTRAL MISSOURI...TO THE SOUTH AND EAST OF THE KANSAS CITY AREA. HEAVY RAIN MAY PRODUCE FLOODING LATER THIS MORNING...AS HEAVY RAIN MOVES INTO THIS AREA. DESTRI &
Special weather statement, Apr 13, 9:39 AM CDT, 7 minutes before
MOZ001-002-004-005-008-009-013-KSZ016-131545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY MISSOURI 938 AM CDT TUE APR 13 1993 ...STRONG THUNDERSTORMS MOVING INTO THE METRO AREA... AT 930 AM...NUMEROUS STRONG THUNDERSTORMS PRODUCING PEA TO MARBLE SIZE HAIL...AND VERY HEAVY RAIN WERE OCCURRING OVER EASTERN KANSAS AND OVER PARTS OF THE KANSAS CITY METROPOLITAN AREA...WITH SCATTERED SHOWERS AND THUNDERSTORMS IN WESTERN MISSOURI. THE STRONGEST STORMS WERE IN A LINE WITH THE LEADING EDGE EXTENDING FROM NORTH OF ST. JOSEPH NEAR MARYVILLE MISSOURI...TO LAWRENCE KANSAS ...WITH ANOTHER STORM JUST WEST OF DOWNTOWN KANSAS CITY MISSOURI. PEA TO MARBLE SIZE HAIL HAS BEEN REPORTED OVER PARTS OF OVERLAND PARK AND KANSAS CITY KANSAS. MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MILES AN HOUR...SO THUNDERSTORMS WILL SPREAD INTO ALL OF THE KANSAS CITY METRO AREA BY 1100 AM. A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 300 PM THIS AFTERNOON FOR PORTIONS OF EASTERN KANSAS AND WESTERN AND CENTRAL MISSOURI... INCLUDING THE KANSAS CITY AND ST. JOSEPH AREAS. REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS...AS SOME OF THE STORMS MAY INTENSIFY AND BECOME SEVERE IN A SHORT PERIOD OF TIME. ALSO...A FLASH FLOOD WATCH IS IN EFFECT FOR WEST CENTRAL MISSOURI...TO THE SOUTH AND EAST OF THE KANSAS CITY AREA. HEAVY RAIN MAY PRODUCE FLOODING LATER THIS MORNING...AS HEAVY RAIN MOVES INTO THIS AREA. DESTRI &
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 10:46 AM CDT | Severe Thunderstorm Warning | EAX | Clay, Jackson | 44 min |
| Apr 13, 11:08 AM CDT | Severe Thunderstorm Warning | EAX | Cass | 52 min |
| Apr 13, 11:25 AM CDT | Severe Thunderstorm Warning | EAX | Bates | 50 min |
| Apr 13, 11:40 AM CDT | Flash Flood Warning | EAX | Jackson | 3 hr |
| Apr 13, 12:15 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 60 min |
| Apr 13, 12:27 PM CDT | Severe Thunderstorm Warning | EAX | Macon, Randolph | 48 min |
| Apr 13, 12:49 PM CDT | Severe Thunderstorm Warning | EAX | Henry | 56 min |
| Apr 13, 1:39 PM CDT | Severe Thunderstorm Warning | EAX | Pettis | 51 min |
| Apr 13, 2:35 PM CDT | Severe Thunderstorm Warning | EAX | Cooper, Pettis, Saline | 40 min |
| Apr 13, 3:16 PM CDT | Severe Thunderstorm Warning | EAX | Howard | 44 min |
| Apr 13, 3:35 PM CDT | Severe Thunderstorm Warning | EAX | Boone | 40 min |
| Apr 13, 10:03 AM CDT | Severe Thunderstorm Warning | EAX | Johnson, Leavenworth, Wyandotte | 57 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.