Alert archive / Minnesota / Tornado Warnings in 2002

Tornado Warning 10, NWS Twin Cities, MN

June 25, 2002Chisago County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jun 25, 2002, 7:27 PM CDT for Chisago County, Minnesota. It was in force for 33 min. 3 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, 7:27 PM CDT (00:27 UTC)
Expired: Jun 25, 2002, 8:00 PM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Chisago County, MN

What was reported inside it

Time	Report	Where	Remark
Jun 25, 7:43 PM CDT	Hail 1.75	Chisago City, MN
Jun 25, 7:50 PM CDT	Thunderstorm Wind 65 E	Wyoming, MN	5 mile wide swath with scattered trees down. A few trees fell on cars, houses, and sheds.
Jun 25, 8:00 PM CDT	Hail 1.75	Chisago City, MN	Hail dented car.

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, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 82 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: 4448 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1086 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 116 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 16.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 260027
TORMSP
MNC025-260100-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  CHISAGO COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 800 PM CDT

* AT 727 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO 4 MILES NORTH OF STACY...OR ABOUT 13 MILES SOUTHEAST OF
  CAMBRIDGE...MOVING EAST AT 30 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE...
  CENTER CITY.
  CHISAGO CITY.
  LINDSTROM.
  STACY.
  WYOMING.

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

LAT...LON 4548 9301 4531 9302 4531 9277 4548 9277

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, 7:34 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, 7:59 PM CDT	Tornado Warning	MPX	Lac qui Parle, Yellow Medicine	31 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.