Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

July 28, 2021Carver County, Le Sueur County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 28, 2021, 7:19 AM CDT for Carver County, Le Sueur County, Nicollet County, Minnesota. It was in force for 41 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: Jul 28, 2021, 7:19 AM CDT (12:19 UTC)
Expired: Jul 28, 2021, 8:00 AM CDT
In force: 41 min
Issued by: NWS Twin Cities, MN
Hail: 0.00 in
Wind: 50

Counties Carver County, MN, Le Sueur County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 56 km from the middle of the area, began a volume at 12:20 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, 0.3 hours before the alert went out and 55 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: 1458 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 1435 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 154 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

957 
WWUS83 KMPX 281219
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
719 AM CDT Wed Jul 28 2021
 
MNZ066>069-075-076-281300-
Le Sueur MN-McLeod MN-Carver MN-Sibley MN-Scott MN-Nicollet MN-
719 AM CDT Wed Jul 28 2021

...Strong thunderstorms will impact portions of Le Sueur, eastern
Sibley, western Scott, east central McLeod, southern Carver and
northeastern Nicollet Counties through 800 AM CDT...

At 719 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Glencoe to near Arlington to 7 miles north
of Nicollet. Movement was east at 35 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Strong thunderstorms will be near...
  Le Sueur, Norwood Young America and Henderson around 735 AM CDT.
  St. Peter, Waconia, Cologne and Kasota around 745 AM CDT.
  New Prague, Belle Plaine and Cleveland around 755 AM CDT.
  Jordan, Carver, Montgomery and Le Center around 800 AM CDT.

Other locations impacted by these storms include Mn Valley State Rec
Area, St Thomas, Rush River, Hamburg, Lake Jefferson, Glencoe
Airport, St Henry, Norseland, Oshawa and Helena.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4434 9436 4459 9412 4489 9417 4481 9361
      4444 9354 4422 9376 4424 9377 4424 9401
      4421 9403
TIME...MOT...LOC 1219Z 289DEG 28KT 4480 9408 4457 9404 4439 9422 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

$$

Borghoff

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 4:13 AM CDT	Special Weather Statement	MPX	Pope, Stevens	32 min
Jul 28, 4:19 AM CDT	Special Weather Statement	MPX	Todd	26 min
Jul 28, 4:45 AM CDT	Special Weather Statement	MPX	Stearns	30 min
Jul 28, 4:46 AM CDT	Special Weather Statement	MPX	Chippewa, Pope, Stevens, Swift	44 min
Jul 28, 4:53 AM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	28 min
Jul 28, 4:54 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	36 min
Jul 28, 5:29 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	46 min
Jul 28, 6:17 AM CDT	Special Weather Statement	MPX	Meeker	28 min
Jul 28, 6:45 AM CDT	Special Weather Statement	MPX	Carver, Wright	30 min
Jul 28, 11:43 AM CDT	Special Weather Statement	MPX	Chisago	32 min
Jul 28, 11:59 AM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	31 min
Jul 28, 12:28 PM CDT	Special Weather Statement	MPX	Saint Croix	32 min
Jul 28, 12:54 PM CDT	Special Weather Statement	MPX	Pierce	36 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.