Alert archive / Missouri / Flash Flood Warnings in 1990

Flash Flood Warning 34, NWS Kansas City, MO

June 7, 1990Boone County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 7, 1990, 7:53 PM CDT for Boone County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 7:53 PM CDT (00:53 UTC)
Expired
Jun 7, 1990, 11:00 PM CDT
In force
3 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

County Boone County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 0.9 hours before the alert went out and 267 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1990-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2891 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1990-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2891 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1054 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.8
Supercell composite
4.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KCOU 080053
FFWCOU
MOC019-080400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE COLUMBIA MO
753 PM CDT THU JUN 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 1100 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE CENTRAL PART OF MISSOURI
      BOONE...CITY OF COLUMBIA

A SEVERE THUNDERSTORM CROSSING THROUGH BOONE COUNTY WAS PRODUCING
VERY HEAVY RAIN.  SEVERAL ROADS IN THE COUNTY WERE REPORTED
UNDERWATER.  SEVERAL CREEKS HAVE ALSO BEEN REPORTED NEAR BANKFUL.

A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
DO NOT ATTEMPT TO DRIVE THROUGH DIPS OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM ON FOOT.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOOD WATERS.  IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY.  MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS.

 N~AME OF ISSUER

What forecasters said that day

The local office's own words before this flash flood 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, 4 hours 31 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, 1 hour 6 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
Special weather statement, Jun 7, 7:22 PM CDT, 31 minutes before
MOZ004-008-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO
720 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 IS IN EFFECT FOR NORTHERN MISSOURI UNTIL 900 PM...

AT 705 PM... SCATTERED THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED
OVER PARTS OF EASTERN KANSAS. THE STORMS WERE LOCATED FROM 40 MILES
NORTHWEST OF WICHITA NEAR FLORENCE NORTHEAST TO NEAR OLATHE.

THE HEAVIEST STORMS WERE LOCATED NEAR EMPORIA... 15 MILES SOUTHEAST
OF TOPEKA NEAR OVERBROOK... AND 5 MILES SOUTH OF LAWRENCE. THESE STORMS
HAD ALSO PRODUCED LARGE HAIL OVER SOUTHWEST PARTS OF DOUGLAS COUNTY
KANSAS EARLIER THIS EVENING.

THESE THUNDERSTORMS WERE MOVING EAST AT 10 MILES AN HOUR... AND WILL
MOVE INTO THE WESTERN PART OF THE KANSAS CITY METRO AREA IN LEAVENWORTH
WYANDOTTE... AND JOHNSON COUNTIES BY 800 PM. RAPID F5LOODING OF STREAMS
AND LOW LYING AREAS IS LIKELY WITH THESE THUNDERSTORMS.

LONGNECKER

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 7, 7:28 PM CDTSevere Thunderstorm WarningEAXMoniteau, Morgan47 min
Jun 7, 7:28 PM CDTSevere Thunderstorm WarningEAXBoone47 min
Jun 7, 8:01 PM CDTTornado WarningEAXMoniteau29 min
Jun 7, 8:24 PM CDTSevere Thunderstorm WarningEAXCole, Miller36 min
Jun 7, 8:45 PM CDTSevere Thunderstorm WarningEAXMoniteau, Morgan45 min
Jun 7, 8:57 PM CDTTornado WarningEAXMoniteau33 min
Jun 7, 9:14 PM CDTFlash Flood WarningEAXCole, Moniteau3 hr
Jun 7, 9:30 PM CDTTornado WarningEAXCole, Miller30 min
Jun 7, 9:42 PM CDTTornado WarningEAXMoniteau18 min
Jun 8, 1:06 PM CDTSevere Thunderstorm WarningEAXClay, Ray54 min
Jun 8, 2:20 PM CDTSevere Thunderstorm WarningEAXAndrew, Buchanan55 min
Jun 8, 2:46 PM CDTSevere Thunderstorm WarningEAXPettis44 min
Jun 8, 3:25 PM CDTSevere Thunderstorm WarningEAXCooper, Morgan65 min
Jun 8, 3:51 PM CDTTornado WarningEAXMoniteau39 min
Jun 8, 3:59 PM CDTSevere Thunderstorm WarningEAXMiller, Morgan61 min
Jun 8, 4:27 PM CDTSevere Thunderstorm WarningEAXCole63 min
Jun 8, 5:01 PM CDTSevere Thunderstorm WarningEAXSaline44 min
Jun 8, 6:24 PM CDTSevere Thunderstorm WarningEAXPulaski36 min
Jun 8, 6:40 PM CDTFlash Flood WarningEAXCaldwell, Daviess, Livingston3 hr
Jun 8, 6:40 PM CDTFlash Flood WarningEAXCarroll3 hr
Jun 8, 6:48 PM CDTSevere Thunderstorm WarningEAXCass, Jackson, Johnson57 min

Nearby

Flash Flood Warnings in Missouri, 1990Every flash flood 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; the sounding from the Mesonet's radiosonde archive.