Alert archive / Missouri / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 36, NWS Kansas City, MO
NWS Kansas City, MO issued this severe thunderstorm warning at Jun 7, 1990, 6:49 PM CDT for Audrain County, Boone County, Missouri. It was in force for 41 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 7, 1990, 6:49 PM CDT (23:49 UTC)
- Expired
- Jun 7, 1990, 7:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
Counties Audrain County, MO, Boone County, MO
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 7, 7:01 PM CDT | Hail 1.75 | Boone, MO | |
| Jun 7, 7:20 PM CDT | Hail 1.75 | Boone, MO |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Springfield, MO (KUMN), launched 12:00Z, 11.8 hours before the alert went out and 288 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
- 1852 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 918 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCOU 072349
SVRCOU
MOC007-019-080030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
649 PM CDT THU JUN 7 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE EAST CENTRAL PART OF MISSOURI
WESTERN AUDRAIN...
IN THE CENTRAL PART OF MISSOURI
NORTH CENTRAL BOONE...CITY OF COLUMBIA...
AT 640 VERY STRONG THUNDERSTORMS WERE MOVING THROUGH NORTHERN BOONE
COUNTY. 1.25 INCH HAIL WAS REPORTED BY SPOTTERS NEAR STURGEON.
THE STORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR.
DAMAGING WIND...LARGE HAIL...DANGEROUS LIGHTNING AND VERY HEAVY
RAIN ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AND...
AWAY FROM WINDOWS UNTIL THE STORMS PASS.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
MORSEWhat 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, Jun 7, 3:22 PM CDT, 3 hours 27 minutes before
MOZ004-008-072200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 315 PM CDT THU JUN 7 1990 ...FLASH FLOOD WATCH FOR NORTHERN MISSOURI INTO TONIGHT... A FLASH FLOOD WATCH WILL EXTEND INTO THE NIGHTTIME HOURS FOR BOTH METROPOLITAN AREAS OF KANSAS CITY AND ST. JOSEPH MISSOURI THIS THURSDAY EVENING. THE ATMOSPHERE IS VERY UNSTABLE OVER NORTHWEST MISSOURI. CONDITIONS ARE FAVORABLE FOR RAPID DEVELOPMENT OF THUNDERSTORMS. SOME OF THESE THUNDERSTORMS MAY BE SEVERE...CAPABLE OF PRODUCING HAIL AND GUSTY WINDS. ANOTHER SIGNIFICANT FACTOR IN THE WEATHER WILL BE THE THE THREAT OF HEAVY RAINFALL WITH THESE STORMS. FLASH FLOOD GUIDANCE INDICATES IT WOULD TAKE BETWEEN 2.3 TO 2.8 INCHES OF RAINFALL OVER NORTHWEST MISSOURI TO PRODUCE FLASH FLOODING. AREAS THAT RECEIVED LARGE AMOUNTS OF RAINFALL WEDNESDAY AND EARLIER THIS MORNING...WOULD TAKE LESSER AMOUNTS TO ENTER INTO A FLOODING SITUATION...POSSIBLY AS LITTLE AS 1 TO 2 INCHES. AREAS OF PARTICULAR CONCERN AT THIS TIME LIE IN THE FOLLOWING COUNTIES...CLAY...RAY...CARROLL...CLINTON...BUCHANAN...DEKALB... AND DAVIES IN MISSOURI...AS WELL AS LEAVENWORTH COUNTY IN KANSAS. PERSONS IN THESE COUNTIES THAT RECEIVED FROM 3 TO 5 INCHES OF RAIN WEDNESDAY...SHOULD BE ALERT FOR ANY ADDITIONAL RAINFALL AMOUNTS THAT COULD CAUSE FLASH FLOOD CONDITIONS TO DEVELOP. POOLE
Special weather statement, Jun 7, 6:47 PM CDT, 2 minutes before
MOZ004-008-080045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 645 PM CDT THU JUN 7 1990 ...TORNADO WATCH IS IN EFFECT FOR PARTS OF EASTERN KANSAS AND WESTERN AND CENTRAL MISSOURI UNTIL MIDNIGHT... ...FLASH FLOOD WATCH FOR NORTHERN MISSOURI UNTIL 900 PM... AT 630 PM... STRONG THUNDERSTORMS WERE OVER PARTS OF EASTERN KANSAS. THE STORMS WERE LOCATED FROM 25 MILES WEST OF EMPORIA NORTHEAST TO 25 MILES EAST OF TOPEKA. AN ISOLATED THUNDERSTORM WITH VERY HEAVY RAIN WAS LOCATED OVER WEST CENTRAL DOUGLAS COUNTY IN NORTHEAST KANSAS... 15 MILES EAST SOUTHEAST OF TOPEKA. LARGE HAIL WAS REPORTED WITH THIS STORM AT 15 MILES SOUTHWEST OF LAWRENCE. THIS STORM WAS MOVING EAST AT 10 MILES AN HOUR. OTHER SHOWERS AND THUNDERSTORMS WERE OVER PARTS OF CENTRAL MISSOURI. THESE STORMS WERE LOCATED FROM NEAR BOONVILLE NORTHEAST TO 15 MILES EAST OF MOBERLY. THESE STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. THE STORMS IN KANSAS WILL BE MOVING INTO THE WESTERN PART OF THE KANSAS CITY METRO AREA... IN LEAVENWORTH... WYANDOTTE... AND JOHNSON COUNTIES BY 800 PM. LONGNECKER
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 2:53 AM CDT | Flash Flood Warning | EAX | Montgomery | 4 hr |
| Jun 7, 6:25 AM CDT | Severe Thunderstorm Warning | EAX | Andrew | 50 min |
| Jun 7, 9:00 AM CDT | Flash Flood Warning | EAX | Montgomery | 3 hr |
| Jun 7, 9:54 AM CDT | Flash Flood Warning | EAX | Macon | 4 hr |
| Jun 7, 9:54 AM CDT | Flash Flood Warning | EAX | Audrain | 4 hr |
| Jun 7, 12:00 PM CDT | Tornado Warning | EAX | Pettis | 20 min |
| Jun 7, 1:41 PM CDT | Severe Thunderstorm Warning | EAX | Boone, Cole, Moniteau | 64 min |
| Jun 7, 2:35 PM CDT | Severe Thunderstorm Warning | EAX | Cole, Miller, Osage | 55 min |
| Jun 7, 2:35 PM CDT | Severe Thunderstorm Warning | EAX | Maries | 55 min |
| Jun 7, 3:25 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Randolph | 20 min |
Nearby
Severe 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.