Alert archive / Wisconsin / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

May 25, 2021Chippewa County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at May 25, 2021, 4:44 PM CDT for Chippewa County, Wisconsin. It was in force for 46 min. 5 reports 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: May 25, 2021, 4:44 PM CDT (21:44 UTC)
Expired: May 25, 2021, 5:30 PM CDT
In force: 46 min
Issued by: NWS Twin Cities, MN

County Chippewa County, WI

The radar

The La Crosse radar (KARX), 147 km from the middle of the area, began a volume at 21:47 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
May 25, 4:45 PM CDT	TSTM WND DMG	3 Ne Cornell, WI	FEW TREES DOWN, INCLUDING ONE PARTIALLY ACROSS ROAD NEAR HIGHWAY 27 AND COUNTY W. TIME ESTIMATED BASED ON RADAR.
May 25, 4:45 PM CDT	TSTM WND DMG	5 Nnw Cornell, WI	FEW TREES DOWN, INCLUDING ONE PARTIALLY ACROSS ROAD NEAR COUNTY M AND CC.
May 25, 4:45 PM CDT	TSTM WND GST 61	1 Nw Bloomer, WI
May 25, 4:45 PM CDT	HAIL 0.7	1 Wnw Bloomer, WI	CORRECTS PREVIOUS HAIL REPORT FROM 1 WNW BLOOMER. PEA TO DIME SIZE HAIL, GUSTY WINDS WITH SMALL TREE LIMBS DOWN.
May 25, 4:54 PM CDT	HAIL 0.5	1 Wnw Bloomer, WI	PEA TO DIME SIZE HAIL, GUSTY WINDS WITH SMALL TREE LIMBS DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.7 hours before the alert went out and 260 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: 96 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1118 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 155 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted.

885 
WWUS83 KMPX 252144
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
444 PM CDT Tue May 25 2021

WIZ027-252230-
Chippewa-
444 PM CDT Tue May 25 2021

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CHIPPEWA COUNTY...

At 444 PM CDT, a strong thunderstorm was located over Bloomer, or 16
miles north of Eau Claire, moving east at 40 mph.

Winds in excess of 40 mph and nickel size hail are possible with this
storm.

Locations impacted include...
Bloomer, Cornell, Holcombe and Eagleton. 

LAT...LON 4503 9155 4513 9161 4529 9098 4529 9093
      4509 9093
TIME...MOT...LOC 2144Z 255DEG 36KT 4510 9149 

$$

Dye

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 8:49 PM CDT	Special Weather Statement	MPX	Renville	41 min
May 24, 9:31 PM CDT	Special Weather Statement	MPX	Meeker	44 min
May 24, 10:45 PM CDT	Special Weather Statement	MPX	Meeker	30 min
May 25, 2:59 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Saint Croix	31 min
May 25, 3:24 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn, Rusk	25 min
May 25, 3:42 PM CDT	Severe Thunderstorm Warning	MPX	Pepin	21 min
May 25, 3:46 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Rusk	44 min
May 25, 4:49 PM CDT	Special Weather Statement	MPX	Eau Claire	41 min
May 25, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	25 min

Nearby

Special Weather Statements in Wisconsin, 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.