Alert archive / Minnesota / Tornado Warnings in 1997

Tornado Warning 2, NWS Sioux Falls, SD

June 22, 1997Lincoln County, Minnesota

NWS Sioux Falls, SD issued this tornado warning at Jun 22, 1997, 5:56 PM CDT for Lincoln County, Minnesota. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 22, 1997, 5:56 PM CDT (22:56 UTC)
Expired: Jun 22, 1997, 6:25 PM CDT
In force: 29 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties

County Lincoln County, MN

The radar

The Sioux Falls radar (KFSD), 99 km from the middle of the area, began a volume at 22:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 5:00 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 10.9 hours before the alert went out and 177 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: 1357 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 762 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSD 222256 RRA
TORFSD
MNC081-222325-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
556 PM CDT SUN JUN 22 1997

* TORNADO WARNING FOR
  SOUTHERN LINCON COUNTY - SOUTHWESTERN MINNESOTA

* UNTIL 625 PM CDT
 
* SOME AREAS AFFECTED
  VERDI                    AROUND 610 PM CDT
  LAKE BENTON              AROUND 610 PM CDT

* AT 551 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A POSSIBLE TORNADO 17 MILES EAST OF BROOKINGS  OR 3 MILES NORTH
  OF HENDRICKS MOVING SOUTHEAST AT 30 MPH.
 
  AT 540 PM TWO TORNADOES WERE REPORTED BY SPOTTERS TO THE NORTH
  AND EAST OF BROOKINGS SOUTH DAKOTA.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR
BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE.  AVOID
WINDOWS.
RSR
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 5:02 PM CDT	Severe Thunderstorm Warning	FSD	Lincoln	48 min
Jun 22, 5:26 PM CDT	Tornado Warning	FSD	Lincoln	29 min
Jun 22, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	45 min
Jun 22, 6:19 PM CDT	Severe Thunderstorm Warning	FSD	Murray, Pipestone	46 min
Jun 22, 6:30 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	30 min
Jun 22, 6:58 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Murray	47 min

Nearby

Tornado Warnings in Minnesota, 1997 Every tornado warning in 1997 Tornadoes in 1997

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; radar from the NEXRAD Level II archive.