Alert archive / Minnesota / Tornado Warnings in 2002

Tornado Warning 12, NWS Twin Cities, MN

June 25, 2002Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 25, 2002, 7:59 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 31 min. 11 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jun 25, 2002, 7:59 PM CDT (00:59 UTC)
Expired: Jun 25, 2002, 8:30 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Lac qui Parle County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 149 km from the middle of the area, began a volume at 01:00 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.

What was reported inside it

Time	Report	Where	Remark
Jun 25, 8:02 PM CDT	Hail 0.75	Dawson, MN
Jun 25, 8:05 PM CDT	Hail 1.5	Dawson, MN
Jun 25, 8:10 PM CDT	Tornado F1	Boyd, MN	Tornado embedded within a rain-wrapped storm was videotaped as it crossed open country. The tornado continued into Yellow Medicine County.
Jun 25, 8:14 PM CDT	Tornado F1	Clarkfield, MN	Tornado started in Lac Qui Parle County and ended in Yellow Medicine County. It destroyed one third of a turkey barn south of Clarkfield.
Jun 25, 8:15 PM CDT	Thunderstorm Wind 52 E	Boyd, MN	Few trees down, including one through roof of house.
Jun 25, 8:15 PM CDT	Hail 0.75	Boyd, MN
Jun 25, 8:15 PM CDT	Hail 1	Boyd, MN
Jun 25, 8:20 PM CDT	Hail 0.75	Clarkfield, MN
Jun 25, 8:20 PM CDT	Thunderstorm Wind 60 E	Clarkfield, MN	Few trees down. Mobile construction office tipped over.
Jun 25, 8:30 PM CDT	Thunderstorm Wind 60 E	Hazel Run, MN	Silo destroyed; few trees down.
Jun 25, 8:36 PM CDT	Thunderstorm Wind 60 E	Hanley Falls, MN	Three large grain bins dented, ham radio tower down, numerous trees down. Minor damage to roofs and windows of houses.

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.

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 25, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.0 hours before the alert went out and 188 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: 27 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 3182 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 260059
TORMSP
MNC073-173-260130-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
759 PM CDT TUE JUN 25 2002

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA
  YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 830 PM CDT

* AT 759 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO 4 MILES SOUTH OF DAWSON...OR ABOUT 12 MILES SOUTHEAST OF
  MADISON...MOVING SOUTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  BOYD.
  CLARKFIELD.
  DAWSON.
  HANLEY FALLS.
  HAZEL RUN.
  ST LEO.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

LAT...LON 4488 9622 4466 9616 4465 9547 4507 9603

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 7:20 PM CDT	Tornado Warning	MPX	Anoka, Isanti	25 min
Jun 25, 7:27 PM CDT	Tornado Warning	MPX	Chisago	33 min
Jun 25, 7:34 PM CDT	Tornado Warning	MPX	Lac qui Parle	26 min
Jun 25, 7:49 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Washington	41 min
Jun 25, 8:05 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	40 min
Jun 25, 8:32 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Yellow Medicine	43 min
Jun 25, 11:44 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	36 min
Jun 26, 12:43 AM CDT	Severe Thunderstorm Warning	MPX	Waseca	47 min

Nearby

Tornado Warnings in Minnesota, 2002 Every tornado warning in 2002 Tornadoes in 2002

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; radar from the NEXRAD Level II archive.