Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 164, NWS Twin Cities, MN

June 12, 2004Lac qui Parle County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 12, 2004, 9:25 PM CDT for Lac qui Parle County, Swift County, Minnesota. It was in force for 65 min. 2 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 12, 2004, 9:25 PM CDT (02:25 UTC)
Expired: Jun 12, 2004, 10:30 PM CDT
In force: 65 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Lac qui Parle County, MN, Swift County, MN

The radar

The Aberdeen radar (KABR), 184 km from the middle of the area, began a volume at 02:27 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 12, 9:30 PM CDT	TSTM WND DMG	1 Se Louisburg, MN	TWO GRAINS BINS DAMAGED. SHED DOWN. TREE DOWN.
Jun 12, 9:30 PM CDT	HAIL 1	1 Se Louisburg, MN	FIELD DESTROYED BY WIND DRIVEN HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.4 hours before the alert went out and 186 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: 334 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 2209 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 9 m²/s²
0-3 km storm-relative helicity: 26 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

051 
WUUS53 KMPX 130225
SVRMPX
MNC073-151-130330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
925 PM CDT SAT JUN 12 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA
  LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1030 PM CDT

* AT 924 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 7 MILES
  SOUTHWEST OF APPLETON...OR ABOUT 10 MILES NORTH OF MADISON...AND
  MOVING NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  APPLETON.

LAT...LON 4514 9632 4503 9612 4520 9589 4538 9578
      4540 9604

$$
NAISTAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:19 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	56 min
Jun 12, 8:39 PM CDT	Tornado Warning	MPX	Yellow Medicine	36 min
Jun 12, 9:07 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey	23 min
Jun 12, 9:16 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	59 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004 Every severe thunderstorm warning in 2004

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.