Alert archive / Missouri / Flash Flood Warnings in 1986

Flash Flood Warning 13, NWS Kansas City, MO

October 3, 19865 counties in Missouri

NWS Kansas City, MO issued this flash flood warning at Oct 3, 1986, 4:45 AM CDT for 5 counties in Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Oct 3, 1986, 4:45 AM CDT (09:45 UTC)
Expired
Oct 3, 1986, 9:00 AM CDT
In force
4 hr
Issued by
NWS Kansas City, MO
Area
Whole counties

Counties Benton County, MO, Cooper County, MO, Morgan County, MO, Pettis County, MO, Saline 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, 9.8 hours before the alert went out and 208 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 1986-10-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1026 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1986-10-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 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
1026 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
775 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
391 m²/s²
Significant tornado parameter
2.6
Supercell composite
10.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCOU 030945
FFWCOU
MOC015-019-041-053-089-135-141-159-175-195-031400-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBIA MO
445 AM CDT FRI OCT 3 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 900 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

CENTRAL MISSOURI...BENTON...BOONE...CHARITON...COOPER...HOWARD...
 MONITEAU...MORGAN...PETTIS...RANDOLPH AND SALINE

 AT 445 AM CDT MODERATE TO HEAVY SHOWERS AND ISOLATED THUNDERSTORMS
 COVERED MOST OF CENTRAL MISSOURI. SOME OF THE WARNED AREAS HAVE
 RECEIVED MORE THAN TWO INCHES OF RAIN SINCE MIDNIGHT AND STREAMS
 AND RIVERS IN WEST CENTRAL MISSOURI ARE WELL ABOVE FLOOD STAGE.
 MODERATE TO HEAVY RAIN WILL CONTINUE OVER MUCH OF CENTRAL MISSOURI
 DURING THE MORNING AS THE REMAINS OF HURRICANE PAINE BRING COPIOUS
 MOISTURE TO THE AREA. THIS IS A DANGEROUS SITUATION FLASH FLOODING
 IS LIKELY. MOTORISTS SHOULD ABSOLUTELY NOT ATTEMPT TO CROSS FLOODED
 LOW WATER BRIDGES OR FLOODED ROADWAYS.

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 AGENCY AND ASK THEM
TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

 HAGEMEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 10:35 PM CDTFlash Flood WarningEAXChariton, Randolph4 hr
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 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.