Alert archive / Missouri / Flash Flood Warnings in 1986

Flash Flood Warning 15, NWS Springfield, MO

October 1, 1986Shannon County, Missouri

NWS Springfield, MO issued this flash flood warning at Oct 1, 1986, 8:46 AM CDT for Shannon County, Missouri. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Oct 1, 1986, 8:46 AM CDT (13:46 UTC)
Expired
Oct 1, 1986, 11:50 AM CDT
In force
3 hr
Issued by
NWS Springfield, MO
Area
Whole counties

County Shannon 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 12:00Z, 1.8 hours before the alert went out and 215 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 12:00Z on 1986-10-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1986-10-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.193958Sfc1 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
185 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
727 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
138 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 011351 COR
FFWSGF
MOC149-181-203-035-011650-

BULLETIN - EBS ACTIVATION AND IMMEDIATE BROADCAST REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
846 AM CST WED OCT 1 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 1150 AM CST FOR THE FOLLOWING COUNTIES OF

SOUTH CENTRAL MISSOURI... OREGON

SOUTHEAST MISSOURI... RIPLEY

SOUTH CENTRAL MISSOURI... SHANNON

SOUTHEAST MISSOURI... CARTER

RAINFALL IN THESE COUNTIES THE LAST 12 HOURS HAS AVERAGED FIVE INCHES
OR BETTER AND IT IS STILL RAINING. RIVERS AND SMALL TRIBUTARIES ARE
RUNNING FAST AND NEAR FULL.

FLASH FLOODING IS IMMINENT IN THIS AREA.  IF YOU LIVE
ALONG THESE RIVERS AND STREAMS...YOU SHOUL-D GO TO SAFETY IMMEDIATELY.


AV

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 30, 10:44 PM CDTFlash Flood WarningSGFBarton, Jasper2 hr
Oct 1, 1:40 AM CDTFlash Flood WarningSGFBarton, Jasper, Newton4 hr
Oct 1, 1:40 AM CDTFlash Flood WarningSGFVernon4 hr
Oct 1, 5:51 AM CDTFlash Flood WarningSGFBarton, Cedar, Dade, Jasper3 hr
Oct 1, 5:51 AM CDTFlash Flood WarningSGFMcDonald, Newton3 hr
Oct 1, 5:51 AM CDTFlash Flood WarningSGFChristian3 hr
Oct 1, 5:51 AM CDTFlash Flood WarningSGFVernon3 hr
Oct 1, 5:51 AM CDTFlash Flood WarningSGFDallas, Greene, Laclede, Polk3 hr
Oct 1, 8:46 AM CDTFlash Flood WarningSGFCarter, Oregon, Ripley3 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.