Alert archive / Minnesota / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 94, NWS Sioux Falls, SD

June 10, 2001Lincoln County, Pipestone County, Minnesota

NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 10, 2001, 12:38 AM CDT for Lincoln County, Pipestone County, Minnesota. It was in force for 37 min. 3 reports came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Jun 10, 2001, 12:38 AM CDT (05:38 UTC)
Expired: Jun 10, 2001, 1:15 AM CDT
In force: 37 min
Issued by: NWS Sioux Falls, SD
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Lincoln County, MN, Pipestone County, MN

The radar

The Sioux Falls radar (KFSD), 72 km from the middle of the area, began a volume at 05:38 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 10, 1:00 AM CDT	Hail 0.75	Tyler, MN
Jun 10, 1:00 AM CDT	Thunderstorm Wind 65 E	Hendricks, MN	Thunderstorm winds caused widespread tree damage, including trees four feet in diameter blown down. A barn was blown down, and the roof of another building was blown off. Power lines and poles were blown down.
Jun 10, 1:00 AM CDT	Thunderstorm Wind 52 E	Pipestone, MN

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 9, 10:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 5.6 hours before the alert went out and 176 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: 1849 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1555 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 153 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KFSD 100539
SVRFSD
MNC081-117-SDC101-100615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1238 AM CDT SUN JUN 10 2001

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN MOODY COUNTY IN EAST CENTRAL SOUTH DAKOTA
  SOUTHERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA
  PIPESTONE COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 115 AM CDT

* AT 1238 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 17 MILES NORTHWEST OF LAKE BENTON
  TO 10 MILES SOUTHWEST OF EGAN...OR FROM 12 MILES NORTHEAST OF
  BROOKINGS TO 21 MILES SOUTHEAST OF MADISON...MOVING EAST AT 60 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LAKE BENTON AROUND 1250 AM CDT
  ARCO...HOLLAND...PIPESTONE...TYLER AROUND 1255 AM CDT
  RUTHTON...TROSKY...WOODSTOCK AROUND 100 AM CDT
  EDGERTON AROUND 105 AM CDT

THIS STORM OHAS A HISTORY OF PRODUCING LARGE HAIL AND DAMAGING WIND.
GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS.

LAT...LON 4440 9645 4421 9646 4420 9666 4385 9667
          4386 9608 4441 9609

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 12:46 AM CDT	Severe Thunderstorm Warning	FSD	Nobles, Rock	44 min
Jun 10, 12:54 AM CDT	Severe Thunderstorm Warning	FSD	Lincoln, Lyon	36 min
Jun 10, 1:06 AM CDT	Severe Thunderstorm Warning	FSD	Murray	24 min
Jun 10, 1:22 AM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Murray	38 min
Jun 10, 1:28 AM CDT	Severe Thunderstorm Warning	FSD	Lyon	17 min
Jun 10, 1:29 AM CDT	Severe Thunderstorm Warning	FSD	Jackson, Nobles	46 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2001 Every severe thunderstorm warning in 2001

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.