Alert archive / Missouri / Flash Flood Warnings in 1986

Flash Flood Warning 2, NWS Springfield, MO

September 30, 1986Dade County, Greene County, Missouri

NWS Springfield, MO issued this flash flood warning at Sep 30, 1986, 3:48 AM CDT for Dade County, Greene County, Missouri. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 30, 1986, 3:48 AM CDT (08:48 UTC)
Expired
Sep 30, 1986, 8:00 AM CDT
In force
4 hr
Issued by
NWS Springfield, MO
Area
Whole counties

Counties Dade County, MO, Greene 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, 8.8 hours before the alert went out and 53 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 1986-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLEL10008507005003002001001 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 1986-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
3 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
530 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
332 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 KSGF 300848
FFWSGF
MOC011-039-057-077-097-109-167-301300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
348 AM CDT TUE SEP 30 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING 
EFFECTIVE UNTIL 800 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST MISSOURI...BARTON...CEDAR...DADE...GREENE...JASPER...
 LAWRENCE AND POLK

WEATHER SERVICE RADAR INDICATE HEAVY RAINFALL OVER THE WARNED AREA.
SINCE THE GROUND IS ALREADY SATURATED FROM RECENT RAINS...ANY
ADDITIONAL HEAVY RAINFALL WILL PRODUCE FLASH FLOODING.

PERSONS IN LOW LYING AND FLOOD PRONE AREAS SHOULD BE ALERT FOR
RAPIDLY RISING WATER AND BE PREPARED TO MOVE TO A PLACE OF SAFETY.

CAMPERS ALONG CREEKS AND STREAMS SHOULD NOW MOVE TO HIGHER GROUND.

DO NOT ATTEMPT TO DRIVE OR WALK THROUGH RAPIDLY FLOWING WATER.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 3:48 AM CDTFlash Flood WarningSGFBarton, Cedar4 hr
Sep 30, 3:48 AM CDTFlash Flood WarningSGFJasper4 hr
Sep 30, 5:31 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton2 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.