Alert archive / Missouri / Flash Flood Warnings in 1986

Flash Flood Warning 12, NWS Kansas City, MO

October 2, 1986Chariton County, Randolph County, Missouri

NWS Kansas City, MO issued this flash flood warning at Oct 2, 1986, 10:35 PM CDT for Chariton County, Randolph County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 2, 1986, 10:35 PM CDT (03:35 UTC)
Expired
Oct 3, 1986, 2:30 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Chariton County, MO, Randolph 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, 3.6 hours before the alert went out and 256 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, Topeka, KS at 00:00Z on 1986-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Topeka, KS at 00:00Z on 1986-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 86 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
590 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
86 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 030335
FFWCOU
MOC041-175-030730-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
1035 PM CDT THU OCT 2 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

NORTH CENTRAL MISSOURI...CHARITON AND RANDOLPH

 AT 1030 PM..NUMEROUS HEAVY SHOWERS AND FEW ISOLATED THUNDERSHOWERS
 WITH VERY HEAVY RAIN CONTINUED IN PARTS OF CENTRAL MISSOURI FROM
 AROUND SEDALIA TO MOBERLY AND ABOUT 25 MILES EITHER SIDE OF THAT
 LINE.  HEAVY RAINS OF MORE THAN TWO INCHES SINCE 6PM HAVE BEEN
 REPORTED AROUND MOBERLY.  WATER IS REPORTED OVER SEVERAL ROADS
 IN THE AREA OF NORTH CENTRAL MISSOURI AROUND MOBERLY AND SOME
 STREET FLOODING IS OCCURRING.  PERIODS OF HEAVY RAIN WILL CONTINUE
 IN THIS AREA FOR THE NEXT SEVERAL HOURS.  MORE FLOODING CAN BE
 EXPECTED OVER THIS SATURATED GROUND AND SWOLLEN STREAMS.

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 ESPECIALLY ON SO CALLED LOW WATER BRIDGES COMMON IN
RURAL AREAS OF MISSOURI.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AQGENCY AND ASK THEM
TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

 LARM

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 3, 1:52 AM CDTSevere Thunderstorm WarningEAXBenton, Morgan53 min
Oct 3, 2:10 AM CDTTornado WarningEAXBenton, Morgan65 min
Oct 3, 3:00 AM CDTTornado WarningEAXMiller, Moniteau, Morgan60 min
Oct 3, 3:00 AM CDTTornado WarningEAXCole60 min
Oct 3, 4:45 AM CDTFlash Flood WarningEAXBenton, Cooper, Morgan, Pettis, Saline4 hr
Oct 3, 4:45 AM CDTFlash Flood WarningEAXChariton, Howard, Randolph4 hr
Oct 3, 4:45 AM CDTFlash Flood WarningEAXBoone, Moniteau4 hr

Nearby

Flash Flood Warnings in Missouri, 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.