Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

August 26, 2021Chippewa County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 26, 2021, 11:32 AM CDT for Chippewa County, Minnesota. It was in force for 28 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 26, 2021, 11:32 AM CDT (16:32 UTC)
Expired
Aug 26, 2021, 12:00 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Hail
0.75 in
Wind
50

County Chippewa County, MN

The radar

The Minneapolis radar (KMPX), 154 km from the middle of the area, began a volume at 16:32 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

TimeReportWhereRemark
Aug 26, 11:35 AM CDTTSTM WND GST 53Hanley Falls, MNMESONET STATION MN033 HANLEY FALLS MN-23 MILE POST 94.

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 12:00Z, 4.5 hours before the alert went out and 151 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°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.

095 
WWUS83 KMPX 261632
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1132 AM CDT Thu Aug 26 2021
 
MNZ056-057-064-065-073-261700-
Chippewa MN-Yellow Medicine MN-Kandiyohi MN-Renville MN-Redwood MN-
1132 AM CDT Thu Aug 26 2021

...A strong thunderstorm will impact portions of southeastern
Chippewa, northwestern Redwood, eastern Yellow Medicine, northwestern
Renville and southwestern Kandiyohi Counties through NOON CDT...

At 1131 AM CDT, Doppler radar was tracking a strong thunderstorm over
Granite Falls, or 13 miles southeast of Montevideo, 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...
  Maynard around 1135 AM CDT.
  Sacred Heart around 1140 AM CDT.
  Renville around 1150 AM CDT.

Other locations in the path of this storm include Prinsburg.

This includes U.S. Highway 212 between mile markers 36 and 71.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

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

&&

LAT...LON 4497 9573 4500 9509 4455 9509 4454 9561
      4462 9561 4464 9572
TIME...MOT...LOC 1631Z 265DEG 41KT 4481 9553 

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

$$

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, 11:37 AM CDTSevere Thunderstorm Warning Considerable damage threatMPXChippewa, Kandiyohi, Swift23 min
Aug 26, 12:08 PM CDTSpecial Weather StatementMPXKandiyohi, Meeker22 min
Aug 26, 12:22 PM CDTSpecial Weather StatementMPXRenville23 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.