Alert archive / Missouri / Tornado Warnings in 1986

Tornado Warning 9, NWS Springfield, MO

July 12, 1986Dade County, Missouri

NWS Springfield, MO issued this tornado warning at Jul 12, 1986, 9:24 PM CDT for Dade County, Missouri. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1986, 9:24 PM CDT (02:24 UTC)
Expired
Jul 12, 1986, 10:15 PM CDT
In force
51 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Dade 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, 2.4 hours before the alert went out and 59 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 1986-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3026 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 00:00Z on 1986-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
3026 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1047 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
261 m²/s²
Significant tornado parameter
2.7
Supercell composite
16.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 130224
TORSGF
MOC057-130315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
924 PM CDT SAT JUL 12 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1015 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTHWEST MISSOURI...DADE

AT 923PM CDT RADAR INDICATED A POSSIBLE TORNADO 10 MILES NORTH OF
GREENFIELD MISSOURI. THIS STORM WAS MOVING TO THE SOUTHEAST AT 15 TO
 20 MPH.

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

IF YOU ARE IN THE PATH OF THIS TORNADO...YOU SHOULD GO TO A
BASEMENT SHELTER IF AVAILABLE.  OTHERWISE GO TO A CENTRAL
INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  CARS AND MOBILE
HOMES SHOULD BE ABANDONED FOR A REINFORCED BUILDING.

 WB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 7:36 PM CDTSevere Thunderstorm WarningSGFBarton54 min
Jul 12, 7:53 PM CDTSevere Thunderstorm WarningSGFCedar, Vernon52 min
Jul 12, 8:52 PM CDTTornado WarningSGFBarton38 min
Jul 12, 9:51 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton54 min

Nearby

Tornado Warnings in Missouri, 1986Every tornado warning in 1986Tornadoes 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.