Alert archive / South Dakota / Tornado Warnings in 1986

Tornado Warning 4, NWS Aberdeen, SD

June 6, 1986Edmunds County, South Dakota

NWS Aberdeen, SD issued this tornado warning at Jun 6, 1986, 7:12 PM CDT for Edmunds County, South Dakota. It was in force for 33 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: Jun 6, 1986, 7:12 PM CDT (00:12 UTC)
Expired: Jun 6, 1986, 7:45 PM CDT
In force: 33 min
Issued by: NWS Aberdeen, SD
Area: Whole counties

County Edmunds County, SD

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
Jun 6, 7:25 PM CDT	Tornado F0	Edmunds, SD

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

Aberdeen, SD (KHON), launched 00:00Z, 0.2 hours before the alert went out and 86 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: 1880 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 996 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 230 m²/s²
Significant tornado parameter: 2.1
Supercell composite: 10.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KABR 070028
TORABR
SDC045-070045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE ABERDEEN SD
712 PM CDT FRI JUN 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

NORTH CENTRAL SOUTH DAKOTA...NORTH CENTRAL EDMUNDS

SOME OF THE CITIES INCLUDED IN THIS WARNING IS LONG LAKE.

AT 705 PM CDT  A TORNADO WAS REPORTED 15 MILES NORTH OF EUREKA
 OR 2 MILES SOUTH OF THE NORTH DAKOTA BORDOR BY THE MC PHERSON
 COUNTY SHERRIFF. THIS TORNADO DID NOT CAUSE ANY DAMAGE THAT
 IS KNOW AT THIS TIME.

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.

STUDNICKA

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 7:17 PM CDT	Severe Thunderstorm Warning	ABR	Hand, Hyde	58 min
Jun 6, 7:21 PM CDT	Tornado Warning	ABR	Edmunds	39 min
Jun 6, 8:02 PM CDT	Severe Thunderstorm Warning	ABR	Buffalo	58 min
Jun 6, 8:03 PM CDT	Severe Thunderstorm Warning	ABR	Brown, Spink	57 min
Jun 6, 8:12 PM CDT	Tornado Warning	ABR	Dewey	33 min
Jun 6, 8:41 PM CDT	Severe Thunderstorm Warning	ABR	Beadle, Clark	64 min
Jun 6, 9:13 PM CDT	Severe Thunderstorm Warning	ABR	Kingsbury, Miner, Sanborn	62 min

Nearby

Tornado Warnings in South Dakota, 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.