Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

August 26, 2021Renville County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 26, 2021, 12:22 PM CDT for Renville County, Minnesota. It was in force for 23 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
Aug 26, 2021, 12:22 PM CDT (17:22 UTC)
Expired
Aug 26, 2021, 12:45 PM CDT
In force
23 min
Issued by
NWS Twin Cities, MN
Hail
0.00 in
Wind
50

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 17:21 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, 5.4 hours before the alert went out and 94 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2021-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2021-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1566 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

157 
WWUS83 KMPX 261722
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1222 PM CDT Thu Aug 26 2021
 
MNZ065>067-261745-
McLeod MN-Sibley MN-Renville MN-
1222 PM CDT Thu Aug 26 2021

...A strong thunderstorm will impact portions of northwestern Sibley,
southwestern McLeod and southeastern Renville Counties through 1245
PM CDT...

At 1222 PM CDT, Doppler radar was tracking a strong thunderstorm 6
miles south of Hector, or 20 miles east of Redwood Falls, moving east
at 45 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

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

Locations impacted include...
Fairfax, Hector, Brownton, Buffalo Lake, Stewart, Franklin, Fernando
and Lake Marion Regional Park.

This includes the following highways...
 U.S. Highway 212 between mile markers 85 and 112.
 U.S. Highway 71 near mile marker 94.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

A Severe Thunderstorm Watch remains in effect until 300 PM CDT for
central and southwestern Minnesota.

&&

LAT...LON 4452 9488 4453 9493 4473 9500 4485 9432
      4461 9425 4450 9488
TIME...MOT...LOC 1722Z 256DEG 39KT 4465 9472 

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

$$

PEM/BPH

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 26, 10:39 AM CDTSevere Thunderstorm WarningMPXLac qui Parle, Yellow Medicine51 min
Aug 26, 10:54 AM CDTSpecial Weather StatementMPXStevens36 min
Aug 26, 11:05 AM CDTSevere Thunderstorm WarningMPXChippewa, Swift40 min
Aug 26, 11:32 AM CDTSpecial Weather StatementMPXChippewa28 min
Aug 26, 11:37 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXChippewa, Kandiyohi, Swift23 min
Aug 26, 12:08 PM CDTSpecial Weather StatementMPXKandiyohi, Meeker22 min
Aug 26, 12:25 PM CDTWind AdvisoryMPXBenton, Chippewa, Douglas, Kandiyohi, Lac qui Parle, Meeker and 9 more3 hr
Aug 26, 12:52 PM CDTSpecial Weather StatementMPXMcLeod23 min
Aug 26, 1:15 PM CDTSpecial Weather StatementMPXCarver30 min
Aug 26, 1:44 PM CDTSpecial Weather StatementMPXCarver, Hennepin31 min
Aug 26, 1:47 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin28 min
Aug 26, 2:05 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Ramsey, Scott, Washington40 min
Aug 26, 2:14 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey46 min
Aug 26, 2:44 PM CDTSevere Thunderstorm WarningMPXWashington46 min
Aug 26, 2:51 PM CDTSpecial Weather StatementMPXWashington24 min
Aug 26, 5:44 PM CDTFlash Flood WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Dakota and 22 more13 hr
Aug 26, 3:21 PM CDTSpecial Weather StatementMPXDunn, Pierce, Saint Croix24 min
Aug 26, 3:47 PM CDTSpecial Weather StatementMPXChippewa, Dunn, Eau Claire58 min

Nearby

Special Weather Statements in Minnesota, 2021Every 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.