Alert archive / Missouri / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 28, NWS Springfield, MO

August 1, 1986Greene County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 1, 1986, 6:56 PM CDT for Greene County, Missouri. It was in force for 64 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 1, 1986, 6:56 PM CDT (23:56 UTC)
Expired
Aug 1, 1986, 8:00 PM CDT
In force
64 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Greene County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Aug 1, 7:11 PM CDTHail 2Greene, MO
Aug 1, 7:30 PM CDTThunderstorm Wind 0Greene, MO
Aug 1, 7:55 PM CDTThunderstorm Wind 0Greene, MO

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Springfield, MO (KUMN), launched 12:00Z, 11.9 hours before the alert went out and 57 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 1986-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1416 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 1986-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1416 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 012356
SVRSGF
MOC039-057-077-020100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
656 PM CDT FRI AUG 1 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

SOUTHWEST MISSOURI...SOUTHERN CEDAR...DADE AND GREENE

RADAR AT 645PM CDT INDICATED A SEVERE THUNDERSTORM NEAR JERICHO
SPRINGS MISSOURI ON THE CEDAR AND DADE COUNTY LINE..OR 50 MILES
NORTHWEST OF SPRINGFIELD..MOVING SOUTHEAST 55 MPH.

ANOTHER SEVERE THUNDERSTORM WAS OVER ASH GROVE OR 20 MILES WEST
NORTHWEST OF SPRINGFIELD MOVING SOUTHEAST 55 MPH.   THIS STORM
WILL MOVE OVER THE CITY OF SPRINGFIELD.

REMEMBER A SEVERE THUNDESTORM PRODUCES DAMAGING WINDS IN EXCESS OF
60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAINS THAT CAN
QUICKLY FLOOD A LOW LYING AREA.

IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE$
IMMEDIATELY AND RELAY YOUR SEVERE WEATHER REPORTS TO THE NEAREST
LAW ENFORCEMENT AGENCY.

 LEE

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 6:13 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon62 min
Aug 1, 6:56 PM CDTSevere Thunderstorm WarningSGFCedar, Dade64 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1986Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.