Alert archive / Kansas / Flash Flood Warnings in 1986
Flash Flood Warning 1, NWS Kansas City, MO
NWS Kansas City, MO issued this flash flood warning at Jul 6, 1986, 9:28 AM CDT for Leavenworth County, Kansas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1986, 9:28 AM CDT (14:28 UTC)
- Expired
- Jul 6, 1986, 3:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS Kansas City, MO
- Area
- Whole counties
County Leavenworth County, KS
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 12:00Z, 2.5 hours before the alert went out and 56 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
- 1384 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 691 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- -34 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 KMCI 061428 FFWMCI KSC103-062000- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE KANSAS CITY INT'L AIRPORT MO 928 AM CDT SUN JUL 6 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF NORTHEAST KANSAS...LEAVENWORTH AT 910 AM CDT FLASH FLOODING WAS REPORTED BY LEAVENWORTH CITY POLICE DEPT IN THAT CITY. BE ALERT FOR RAPIDLY RISING WATER. STAY AWAY FROM FLOODING CREEKS.. STREAMS AND STORM DRAINS. DO NOT ATTEMPT TO WALK OR DRIVE THROUGH FLOWING WATER. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THUNDERSTORMS HAD BEEN PRODUCING LOCALLY VERY HEAVY RAI N THROUGH OUT NORTHEAST KANSAS AND NORTHWEST MISSOURI SINCE EARLY THIS MORNING.. MORE FLASH FLOOD WARNINGS ARE PROBABLE FOR OTHERLOCATIONS. JA/WJ
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, Jul 6, 8:44 AM CDT, 44 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE KANSAS CITY INTERNATIONAL AIRPORT MO 830 AM CDT SUN JUL 6 1986 . . .FLASH FLOOD WATCH FOR NORTHWEST MISSOURI TODAY AND TONIGHT. . . AT 830 AM...SHOWERS AND THUNDERSTORMS WITH BRIEF HEAVY RAIN THAT COULD CAUSE FLOODING IN THOSE AREAS OF POOR DRAINAGE WERE MOVING THROUGH THE GREATER KANSAS CITY AND ST JOSEPH AREAS. THE BAND OF HEAVY RAIN EXTENDED FROM 30 MILES NORTHEAST OF ST JOSEPH...THROUGH THE GREATER KANSAS CITY AREA TO SOUTHERN LINN COUNTY KANSAS OR 80 MILES SOUTH OF KANSAS CITY INTERNATIONAL AIRPORT. THESE STORMS WERE PART OF AN AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED ACROSS MUCH OF EAST KANSAS AND WEST MISSOURI. MOVEMENT WAS TOWARD THE NORTHEAST AT 30 MPH.
Nearby
Flash Flood Warnings in Kansas, 1986Every flash flood warning in 1986
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.