Alert archive / Minnesota / Tornado Warnings in 1986

Tornado Warning 12, NWS Twin Cities, MN

July 26, 1986Redwood County, Renville County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 26, 1986, 8:36 PM CDT for Redwood County, Renville County, Minnesota. It was in force for 24 min.

The area

The counties it named.

The facts

Issued: Jul 26, 1986, 8:36 PM CDT (01:36 UTC)
Expired: Jul 26, 1986, 9:00 PM CDT
In force: 24 min
Issued by: NWS Twin Cities, MN
Area: Whole counties

Counties Redwood County, MN, Renville County, MN

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

Minneapolis, MN (KSTC), launched 00:00Z, 1.6 hours before the alert went out and 123 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: 441 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 7.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMSP 270137 COR
TORMSP
MNC129-127-270200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MINNEAPOLIS MN...CORRECTED FOR TIME....
836 PM CDT SAT JUL 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 900 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF

SOUTHWEST MINNESOTA...WESTERN RENVILLE AND NORTHERN REDWOOD

AT.....825 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
NORTHWEST OF REDWOOD FALLS..80 MILES WEST OF THE TWIN CITIES.

THIS STORM HAS PRODUCED A TORNADO IN SACRED HEART IN RENVILLE
COUNTY ALONG WITH NUMEROUS FUNNEL CLOUD REPORTS FROM SACRED HEART
TO DANUBE TO OLIVIA.

MOVEMENT WAS SOUTHEAST AROUND 10 MILES AN HOUR. PERSONS IN
FAIRFAX..MORTON AND REDWOOD FALLS SHOULD TAKE COVER.

IF YOU ARE IN THE PATH OF A TORNADO..GO TO A BASEMENT SHELTER OR
A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING.V

JHM

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 26, 7:13 PM CDT	Severe Thunderstorm Warning	MPX	Renville	47 min
Jul 26, 7:47 PM CDT	Tornado Warning	MPX	Renville	43 min
Jul 26, 9:10 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	50 min
Jul 26, 9:35 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	55 min
Jul 26, 10:06 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	54 min
Jul 26, 10:30 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	60 min
Jul 26, 11:15 PM CDT	Severe Thunderstorm Warning	MPX	Pope	60 min
Jul 26, 11:23 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	59 min
Jul 27, 3:47 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	38 min
Jul 27, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Fillmore, Olmsted	49 min
Jul 27, 6:56 PM CDT	Severe Thunderstorm Warning	MPX	Fillmore, Mower	34 min

Nearby

Tornado Warnings in Minnesota, 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; the sounding from the Mesonet's radiosonde archive.