Alert archive / Missouri / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 41, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Apr 11, 1992, 12:04 PM CDT for Pettis County, Missouri. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Apr 11, 1992, 12:04 PM CDT (17:04 UTC)
- Expired
- Apr 11, 1992, 12:45 PM CDT
- In force
- 41 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Pettis County, MO
The nearest sounding before it
Topeka, KS (KTOP), launched 12:00Z, 5.1 hours before the alert went out and 206 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
- 327 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCOU 111704 SVRCOU MOC159-111745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA MO 1204 PM CDT SAT APR 11 1992 THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN CENTRAL MISSOURI ...NORTHERN PETTIS COUNTY AT 12 NOON...THE COLUMBIA WEATHER RADAR INDICATED A SEVERE THUNDERSTORM IN THE EXTREME NORTHWEST CORNER OF PETTIS COUNTY...15 MILES NORTH NORTHWEST OF THE CITY OF SEDALIA...MOVING SOUTHEAST AT 25 MPH. LARGE HAIL...BRIEF HEAVY RAINS ARE LIKELY WITH THIS STORM AS IT MOVES THROUGH NORTHERN PETTIS COUNTY. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND NEAR 60 MPH OR MORE... LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. STAY INSIDE AND AWAY FROM WINDOWS. HEAVY RAINS CAN REDUCE VISIBILITY AND FLOOD ROADS QUICKLY. DRIVERS SHOULD SLOW DOWN AND AVOID DRIVING INTO AREA WHERE WATER COVERS THE ROAD. PERLOW
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 11, 6:37 AM CDT, 5 hours 27 minutes before
MOZ001-002-004-005-008-009-013-111235- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 630 AM CDT SAT APR 11 1992 AT 625 AM CDT...STRONG THUNDERSTORMS WERE LOCATED OVER WESTCENTRAL MISSOURI. THESE STORMS HAD PRODUCED ONE-HALF INCH HAIL IN THE NORTHERN PART OF KANSAS CITY AT 600 AM AS THEY MOVED TO THE SOUTHEAST AT 25 MPH. THE STRONGEST STORMS WERE LOCATED 20 MILES EAST AND 25 MILES SOUTHEAST OF DOWNTOWN KANSAS CITY. OTHER SHOWERS AND THUNDERSHOWERS WERE SCATTERED TO THE EAST OF KANSAS CITY TOWARD COLUMBIA. THE STRONGEST STORMS TO THE EAST OF KANSAS CITY WILL MOVE TOWARD THE COMMUNITIES OF ODESSA...PITTSVILLE...AND HOLDEN BY 700 A\M. IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER.
Special weather statement, Apr 11, 7:34 AM CDT, 4 hours 30 minutes before
MOZ001-002-004-005-008-009-013-111335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 730 AM CDT SAT APR 11 1992 AT 725 AM CDT...STRONG THUNDERSTORMS PRODUCING BRIEF VERY HEAVY RAIN...AND POSSIBLE HAIL WERE OVER SOUTHWEST JOHNSON COUNTY AND NORTHWEST HENRY COUNTY IN WESTCENTRAL MISSOURI. THE STRONG STORMS WERE 10 MILES SOUTHWEST OF WARRENSBURG MISSOURI AND 10 MILES NORTH OF URICH MISSOURI. THESE STORMS HAD A HISTORY OF PRODUCING 1/2 INCH HAIL AND WERE MOVING TOWARD THE SOUTHEAST AT 25 MPH. THEY MAY PASS THROUGH OR NEAR URICH...CHILLHOWEE AND CLINTON MISSOURI BY 830 AM. THE STORMS HAD WEAKENED SINCE 625 AM BUT WERE STILL VERY STRONvG. OTHER SHOWERS AND THUNDERSHOWERS WERE TO THE EAST AND NORTH OF THESE STORMS OVER WESTCENTRAL AND CENTRAL MISSOURI. IF THREATENING WEATHER APPROACHES BE PREPARED TO TAKE SHELTER.
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 7:59 PM CDT | Severe Thunderstorm Warning | EAX | Atchison | 61 min |
| Apr 10, 8:57 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Holt, Nodaway | 48 min |
| Apr 10, 9:51 PM CDT | Severe Thunderstorm Warning | EAX | Worth | 24 min |
| Apr 10, 9:51 PM CDT | Severe Thunderstorm Warning | EAX | Harrison | 39 min |
| Apr 11, 6:55 AM CDT | Severe Thunderstorm Warning | EAX | Henry, Johnson | 20 min |
| Apr 11, 11:08 AM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 52 min |
| Apr 11, 11:33 AM CDT | Severe Thunderstorm Warning | EAX | Johnson, Lafayette | 27 min |
| Apr 11, 12:17 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 28 min |
| Apr 11, 12:22 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 38 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1992Every severe thunderstorm warning in 1992
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.