Alert archive / Kansas / Flash Flood Warnings in 1990

Flash Flood Warning 49, NWS Kansas City, MO

June 9, 1990Linn County, Miami County, Kansas; Bates County, Henry County, Missouri

NWS Kansas City, MO issued this flash flood warning at Jun 9, 1990, 1:21 AM CDT for Linn County, Miami County, Kansas; Bates County, Henry County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jun 9, 1990, 1:21 AM CDT (06:21 UTC)
Expired: Jun 9, 1990, 4:15 AM CDT
In force: 3 hr
Issued by: NWS Kansas City, MO
Area: Whole counties

Counties Linn County, KS, Miami County, KS, Bates County, MO, Henry 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

Topeka, KS (KTOP), launched 00:00Z, 6.4 hours before the alert went out and 126 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 5742 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 826 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 6.7
Supercell composite: 28.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCI 090621
FFWMCI
MOC083-013-KSC107-121-090915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
FLASH FLOOD WARNING 
NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO
121 AM CDT SAT JUN 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 415 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE WEST CENTRAL PART OF MISSOURI
      HENRY...BATES...

   IN THE EAST CENTRAL PART OF KANSAS
      LINN...MIAMI...

AT 115 AM NUMEROUS THUNDERSTORMS CONTINUED TO PRODUCE HEAVY
RAINFALL AMOUNTS SOUTHERN MIAMI...LINN AND BATES COUNTY.
THESE STORMS WILL MOVE SLOWLY SOUTHEAST OVER GROUND ALREADY
SATURATED FROM RAIN ON FRIDAY.

BE ESPECIALLY CAUTIOUS AT NIgGHT 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.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 7:07 PM CDT	Flash Flood Warning	EAX	Doniphan	3 hr
Jun 8, 7:56 PM CDT	Severe Thunderstorm Warning	EAX	Johnson, Leavenworth	49 min
Jun 8, 8:16 PM CDT	Tornado Warning	EAX	Johnson	29 min
Jun 8, 9:03 PM CDT	Flash Flood Warning	EAX	Johnson	3 hr
Jun 8, 9:51 PM CDT	Severe Thunderstorm Warning	EAX	Miami	54 min
Jun 8, 7:07 PM CDT	Flash Flood Warning	EAX	Clinton	3 hr
Jun 8, 7:10 PM CDT	Severe Thunderstorm Warning	EAX	Clay	65 min
Jun 8, 7:19 PM CDT	Flash Flood Warning	EAX	Clay	4 hr
Jun 8, 7:33 PM CDT	Severe Thunderstorm Warning	EAX	Benton	42 min
Jun 8, 7:38 PM CDT	Severe Thunderstorm Warning	EAX	Ray	67 min
Jun 8, 8:20 PM CDT	Severe Thunderstorm Warning	EAX	Benton, Morgan	40 min
Jun 8, 8:32 PM CDT	Severe Thunderstorm Warning	EAX	Boone, Callaway	28 min
Jun 8, 8:46 PM CDT	Severe Thunderstorm Warning	EAX	Cole	29 min
Jun 8, 8:51 PM CDT	Flash Flood Warning	EAX	Jackson	3 hr
Jun 8, 9:06 PM CDT	Severe Thunderstorm Warning	EAX	Montgomery, Osage	54 min
Jun 8, 9:08 PM CDT	Flash Flood Warning	EAX	Boone, Cooper, Moniteau	3 hr
Jun 8, 9:08 PM CDT	Flash Flood Warning	EAX	Callaway, Cole, Montgomery, Osage	3 hr
Jun 8, 9:31 PM CDT	Flash Flood Warning	EAX	Johnson	2 hr
Jun 8, 9:41 PM CDT	Flash Flood Warning	EAX	Gasconade, Maries	3 hr
Jun 8, 9:41 PM CDT	Flash Flood Warning	EAX	Miller, Morgan	3 hr
Jun 8, 10:27 PM CDT	Flash Flood Warning	EAX	Henry	4 hr

Nearby

Flash Flood Warnings in Kansas, 1990 Flash Flood Warnings in Missouri, 1990 Every 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.