Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 11, 2021Chippewa County, Swift County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 11, 2021, 6:36 AM CDT for Chippewa County, Swift County, Yellow Medicine County, Minnesota. It was in force for 39 min. 1 report 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 11, 2021, 6:36 AM CDT (11:36 UTC)
Expired: Jun 11, 2021, 7:15 AM CDT
In force: 39 min
Issued by: NWS Twin Cities, MN

Counties Chippewa County, MN, Swift County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 143 km from the middle of the area, began a volume at 11:36 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 11, 6:40 AM CDT	TSTM WND GST 59	8 Ssw Starbuck, MN	MNDOT SENSOR MEASURED WIND GUST OF 59 MPH.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 11.6 hours before the alert went out and 140 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: 1246 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 2436 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

The text

As transmitted.

739 
WWUS83 KMPX 111136
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
636 AM CDT Fri Jun 11 2021

MNZ048-054>057-064-065-111215-
Chippewa-Yellow Medicine-Kandiyohi-Renville-Pope-Lac Qui Parle-Swift-
636 AM CDT Fri Jun 11 2021

...A LINE OF STORMS WILL AFFECT SOUTHEASTERN LAC QUI PARLE...SOUTHERN
POPE...CHIPPEWA...YELLOW MEDICINE...SWIFT...NORTHWESTERN RENVILLE AND
WESTERN KANDIYOHI COUNTIES...

At 635 AM CDT, radar indicated strong thunderstorms were located
along a line extending from near Starbuck to 5 miles northeast of
Taunton. Movement was southeast at 40 mph.

Wind gusts up to 50 mph are possible with these storms.

Locations impacted include...
Willmar, Montevideo, Benson, Granite Falls, Clara City, Renville,
Clarkfield, Raymond, Kerkhoven, Sacred Heart, Prinsburg and Wood
Lake.

LAT...LON 4557 9566 4552 9528 4545 9513 4541 9512
      4542 9505 4539 9501 4490 9504 4462 9518
      4467 9525 4466 9529 4469 9532 4470 9536
      4454 9536 4455 9561 4462 9561 4463 9563
      4464 9607
TIME...MOT...LOC 1135Z 295DEG 45KT 4556 9556 4465 9598 

$$

BPH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 5:50 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	55 min
Jun 11, 5:55 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Stevens, Swift	50 min
Jun 11, 6:09 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope	51 min
Jun 11, 6:54 AM CDT	Special Weather Statement	MPX	Douglas, Pope, Todd	66 min
Jun 11, 7:22 AM CDT	Special Weather Statement	MPX	Chippewa, Kandiyohi, Yellow Medicine	38 min
Jun 11, 7:49 AM CDT	Special Weather Statement	MPX	Benton, Meeker, Stearns	56 min
Jun 11, 7:53 AM CDT	Special Weather Statement	MPX	Brown, McLeod, Redwood, Renville	67 min
Jun 11, 8:32 AM CDT	Special Weather Statement	MPX	Martin, Watonwan	58 min
Jun 11, 9:15 AM CDT	Special Weather Statement	MPX	Blue Earth, Faribault	60 min
Jun 11, 10:29 AM CDT	Special Weather Statement	MPX	Freeborn, Rice, Steele, Waseca	46 min
Jun 11, 11:04 AM CDT	Special Weather Statement	MPX	Goodhue	56 min
Jun 11, 11:41 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	34 min
Jun 10, 8:08 PM CDT	Special Weather Statement	MPX	Chippewa, Rusk	82 min
Jun 11, 12:07 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce	38 min
Jun 11, 12:39 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Dunn	51 min
Jun 11, 1:20 PM CDT	Special Weather Statement	MPX	Chippewa	40 min
Jun 11, 1:57 PM CDT	Special Weather Statement	MPX	Chippewa	33 min

Nearby

Special Weather Statements in Minnesota, 2021 Every special weather statement in 2021

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.