Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 11, 2021Martin County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 11, 2021, 8:32 AM CDT for Martin County, Watonwan County, Minnesota. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 11, 2021, 8:32 AM CDT (13:32 UTC)
Expired: Jun 11, 2021, 9:30 AM CDT
In force: 58 min
Issued by: NWS Twin Cities, MN

Counties Martin County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 13:35 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.5 hours before the alert went out and 143 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: 752 J/kg
Mixed-layer CIN: -207 J/kg
Mixed-layer LCL: 1602 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: -40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

359 
WWUS83 KMPX 111332
SPSMPX

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

MNZ082-083-091-111430-
Blue Earth-Watonwan-Martin-
832 AM CDT Fri Jun 11 2021

...A LINE OF STORMS WILL AFFECT MARTIN...SOUTHWESTERN BLUE EARTH AND
WATONWAN COUNTIES...

At 831 AM CDT, radar indicated strong thunderstorms were located
along a line extending from Bingham Lake to near Arnolds Park.
Movement was east at 45 mph.

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

Locations impacted include...
Fairmont, St. James, Madelia, Sherburn, Truman, Trimont, Welcome,
Butterfield, Ceylon, Lewisville, Iowa Lake and Okamanpedan Lake.

LAT...LON 4350 9485 4411 9486 4411 9434 4385 9425
      4350 9425
TIME...MOT...LOC 1331Z 267DEG 37KT 4392 9507 4334 9505 

$$

ETA

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, 6:36 AM CDT	Special Weather Statement	MPX	Chippewa, Swift, Yellow Medicine	39 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, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.