Alert archive / Missouri / Tornado Warnings in 1986

Tornado Warning 10, NWS Springfield, MO

August 1, 1986Jasper County, Lawrence County, Missouri

NWS Springfield, MO issued this tornado warning at Aug 1, 1986, 7:04 PM CDT for Jasper County, Lawrence County, Missouri. It was in force for 26 min. 1 report 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, 7:04 PM CDT (00:04 UTC)
Expired: Aug 1, 1986, 7:30 PM CDT
In force: 26 min
Issued by: NWS Springfield, MO
Area: Whole counties

Counties Jasper County, MO, Lawrence 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

Time	Report	Where	Remark
Aug 1, 7:29 PM CDT	Thunderstorm Wind 0	Lawrence, 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 00:00Z, 0.1 hours before the alert went out and 38 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 542 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 2282 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 56 m²/s²
0-3 km storm-relative helicity: 130 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSGF 020004
TORSGF
MOC097-109-020030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
704 PM CDT FRI AUG 1 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 730 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST MISSOURI...EASTERN JASPER AND LAWRENCE

AT 7:05PM RADAR INDICATED A POSSIBLE TORNADO 5 MILES EAST OF
JASPER MISSOURI OR ABOUT 20 MILES NORTHEAST OF JOPLIN.

THIS STORM WAS MOVING SOUTHEAST AT 55 MPH.

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 M0OBILE
HOMES SHOULD BE ABANDONED FOR A REINFORCED BUILDING.

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Barry, Christian, Lawrence, Stone	68 min
Aug 1, 7:52 PM CDT	Severe Thunderstorm Warning	SGF	Dallas, Laclede, Polk, Webster	68 min
Aug 1, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	60 min
Aug 1, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	Douglas	60 min
Aug 1, 8:00 PM CDT	Severe Thunderstorm Warning	SGF	McDonald	60 min
Aug 1, 8:45 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Texas	60 min
Aug 1, 10:17 PM CDT	Severe Thunderstorm Warning	SGF	Oregon, Ripley	43 min

Nearby

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