Alert archive / North Dakota / Tornado Warnings in 1986

Tornado Warning 1, NWS Bismarck, ND

June 26, 1986Bottineau County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jun 26, 1986, 5:30 PM CDT for Bottineau County, North Dakota. It was in force for 45 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 26, 1986, 5:30 PM CDT (22:30 UTC)
Expired: Jun 26, 1986, 6:15 PM CDT
In force: 45 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Bottineau County, ND

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 26, 5:36 PM CDT	Tornado F3	Bottineau, ND

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

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.5 hours before the alert went out and 225 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: 101 J/kg
Mixed-layer CIN: -476 J/kg
Mixed-layer LCL: 2148 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -43 m²/s²
0-3 km storm-relative helicity: 73 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 262249
TORBIS
NDC009-262315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
530 PM CDT THU JUN 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY OF

NORTH CENTRAL NORTH DAKOTA..BOTTINEAU

AT 545 PM CDT A TORNADO WAS REPORTED ON THE GROUND 5 MILES
WEST AND 1 MILE NORTH OF BOTTINEAU NORTH DAKOTA. MOVEMENT
WAS EAST AT 30 MPH.
SEALg 2249Z

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 7:53 PM CDT	Severe Thunderstorm Warning	BIS	Stark	30 min
Jun 25, 11:19 PM CDT	Severe Thunderstorm Warning	BIS	Williams	55 min
Jun 25, 11:30 PM CDT	Severe Thunderstorm Warning	BIS	Billings, Slope	45 min
Jun 25, 11:31 PM CDT	Severe Thunderstorm Warning	BIS	McKenzie	54 min
Jun 26, 12:04 AM CDT	Severe Thunderstorm Warning	BIS	Burke	41 min
Jun 26, 12:11 AM CDT	Severe Thunderstorm Warning	BIS	Hettinger, Slope	45 min
Jun 26, 12:50 AM CDT	Severe Thunderstorm Warning	BIS	Burke	40 min
Jun 26, 4:15 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	60 min
Jun 26, 5:15 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	60 min
Jun 26, 5:30 PM CDT	Severe Thunderstorm Warning	BIS	Rolette, Towner	60 min
Jun 26, 6:30 PM CDT	Severe Thunderstorm Warning	BIS	Ramsey, Towner	60 min

Nearby

Tornado Warnings in North 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.