Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

August 24, 20216 counties in Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 24, 2021, 6:19 AM CDT for 6 counties in Minnesota. It was in force for 26 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: Aug 24, 2021, 6:19 AM CDT (11:19 UTC)
Expired: Aug 24, 2021, 6:45 AM CDT
In force: 26 min
Issued by: NWS Twin Cities, MN
Hail: 0.75 in
Wind: 50

Counties Carver County, MN, Le Sueur County, MN, Nicollet County, MN, Rice County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 43 km from the middle of the area, began a volume at 11:18 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
Aug 24, 6:53 AM CDT	HAIL 0.88	1 N Credit River, MN	STORM SPOTTER REPORTS NICKEL SIZED HAIL.

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, 11.3 hours before the alert went out and 41 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: 501 J/kg
Mixed-layer CIN: -147 J/kg
Mixed-layer LCL: 1780 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 22 m²/s²
0-3 km storm-relative helicity: 16 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

664 
WWUS83 KMPX 241119
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
619 AM CDT Tue Aug 24 2021
 
MNZ067>069-075>077-241145-
Le Sueur MN-Rice MN-Carver MN-Sibley MN-Scott MN-Nicollet MN-
619 AM CDT Tue Aug 24 2021

...A strong thunderstorm will impact portions of Le Sueur, Sibley,
Scott, Rice, Carver and Nicollet Counties through 645 AM CDT...

At 618 AM CDT, Doppler radar was tracking a strong thunderstorm near
Belle Plaine, or 30 miles southeast of Hutchinson, moving east at 50
mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

This strong thunderstorm will be near...
  Belle Plaine around 625 AM CDT.
  Jordan around 630 AM CDT.
  New Prague around 635 AM CDT.

Other locations in the path of this storm include Montgomery,
Lonsdale, Webster and Elko New Market.

This includes the following highways...
 Interstate 35 between mile markers 50 and 77.
 U.S. Highway 14 near mile marker 102, between mile markers 104 and
105, and between mile markers 112 and 128.
 U.S. Highway 169 between mile markers 58 and 84.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Severe Thunderstorm Watch remains in effect until 900 AM CDT for
south central, central and east central Minnesota.

&&

LAT...LON 4445 9478 4446 9463 4471 9463 4471 9450
      4463 9449 4463 9426 4472 9425 4472 9401
      4498 9400 4498 9377 4489 9376 4489 9352
      4480 9351 4479 9333 4447 9328 4447 9304
      4420 9305 4420 9376 4424 9401 4416 9406
TIME...MOT...LOC 1118Z 285DEG 45KT 4462 9388 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

$$

CTG

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 24, 2:55 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Le Sueur, Scott, Sibley	35 min
Aug 24, 3:16 AM CDT	Special Weather Statement	MPX	Chippewa, Douglas, Lac qui Parle, Pope, Stevens, Swift	29 min
Aug 24, 3:28 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	32 min
Aug 24, 3:32 AM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens, Swift	43 min
Aug 24, 3:48 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice	42 min
Aug 24, 3:52 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift, Yellow Medicine	38 min
Aug 24, 4:08 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Stevens, Swift	52 min
Aug 24, 4:30 AM CDT	Special Weather Statement	MPX	Chippewa, Kandiyohi, Renville, Swift	45 min
Aug 24, 4:44 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Kandiyohi, McLeod, Meeker, Stearns	46 min
Aug 24, 4:48 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville	42 min
Aug 24, 5:05 AM CDT	Special Weather Statement	MPX	Goodhue	40 min
Aug 24, 5:27 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville, Wright	33 min
Aug 24, 5:29 AM CDT	Severe Thunderstorm Warning	MPX	Meeker, Sherburne, Stearns, Wright	46 min
Aug 24, 5:45 AM CDT	Special Weather Statement	MPX	Brown, Nicollet, Redwood, Renville, Sibley	30 min
Aug 24, 5:57 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Sherburne, Wright	33 min
Aug 24, 5:59 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Renville, Sibley	31 min
Aug 24, 6:25 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Dakota, Hennepin, Ramsey, Washington	35 min
Aug 24, 6:53 AM CDT	Special Weather Statement	MPX	Dakota, Goodhue, Le Sueur, Rice, Scott	67 min
Aug 24, 6:57 AM CDT	Special Weather Statement	MPX	Brown	33 min
Aug 24, 7:00 AM CDT	Special Weather Statement	MPX	Ramsey, Washington	30 min
Aug 24, 7:23 AM CDT	Special Weather Statement	MPX	Nicollet, Sibley	37 min
Aug 24, 7:59 AM CDT	Special Weather Statement	MPX	Le Sueur, Sibley	31 min
Aug 24, 8:01 AM CDT	Special Weather Statement	MPX	Wabasha	29 min
Aug 24, 8:04 AM CDT	Special Weather Statement	MPX	Redwood	26 min
Aug 24, 8:30 AM CDT	Special Weather Statement	MPX	Redwood	30 min
Aug 24, 8:39 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	21 min
Aug 24, 9:03 AM CDT	Special Weather Statement	MPX	Dakota	27 min
Aug 24, 9:41 AM CDT	Special Weather Statement	MPX	Brown, Nicollet, Watonwan	49 min
Aug 24, 10:23 AM CDT	Special Weather Statement	MPX	Martin	37 min
Aug 24, 10:35 AM CDT	Special Weather Statement	MPX	Blue Earth	25 min
Aug 24, 11:16 AM CDT	Special Weather Statement	MPX	Faribault, Martin	44 min
Aug 24, 12:20 PM CDT	Special Weather Statement	MPX	Freeborn	40 min
Aug 24, 5:30 AM CDT	Special Weather Statement	MPX	Pepin	45 min
Aug 24, 6:50 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	25 min
Aug 24, 7:13 AM CDT	Special Weather Statement	MPX	Eau Claire	32 min
Aug 24, 7:28 AM CDT	Special Weather Statement	MPX	Pierce, Saint Croix	32 min
Aug 24, 8:00 AM CDT	Special Weather Statement	MPX	Dunn	30 min
Aug 24, 8:32 AM CDT	Special Weather Statement	MPX	Chippewa, Rusk	28 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.