Alert archive / Wisconsin / Special Weather Statements in 2021
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Jun 11, 2021, 1:20 PM CDT for Chippewa County, Wisconsin. It was in force for 40 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
- Jun 11, 2021, 1:20 PM CDT (18:20 UTC)
- Expired
- Jun 11, 2021, 2:00 PM CDT
- In force
- 40 min
- Issued by
- NWS Twin Cities, MN
County Chippewa County, WI
The radar
The La Crosse radar (KARX), 149 km from the middle of the area, began a volume at 18:20 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 1:58 PM CDT | TSTM WND DMG | 5 Nne Cornell, WI | LARGE TREES DOWN/SNAPPED, PICTURES ON TWITTER. TIME ESTIMATED VIA RADAR. |
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, 6.3 hours before the alert went out and 184 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.
- Mixed-layer CAPE
- 752 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1602 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- -40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
949
WWUS83 KMPX 111820
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
120 PM CDT Fri Jun 11 2021
WIZ027-111900-
Chippewa-
120 PM CDT Fri Jun 11 2021
...A STRONG THUNDERSTORM WILL AFFECT NORTHERN CHIPPEWA COUNTY...
At 120 PM CDT, a strong thunderstorm was located near Bloomer, or 15
miles north of Eau Claire, moving northeast at 35 mph.
Winds in excess of 40 mph and half inch hail are possible with this
storm.
Locations impacted include...
Bloomer, Cornell, Tilden, Holcombe, Eagleton and Chippewa Moraine
State Rec Area.
LAT...LON 4498 9145 4514 9166 4530 9139 4530 9093
4525 9093
TIME...MOT...LOC 1820Z 231DEG 32KT 4507 9154
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 5:50 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 55 min |
| Jun 11, 5:55 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Stevens, Swift | 50 min |
| Jun 11, 6:09 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 51 min |
| Jun 11, 6:36 AM CDT | Special Weather Statement | MPX | Chippewa, Swift, Yellow Medicine | 39 min |
| Jun 11, 6:54 AM CDT | Special Weather Statement | MPX | Douglas, Pope, Todd | 66 min |
| Jun 11, 7:22 AM CDT | Special Weather Statement | MPX | Chippewa, Kandiyohi, Yellow Medicine | 38 min |
| Jun 11, 7:49 AM CDT | Special Weather Statement | MPX | Benton, Meeker, Stearns | 56 min |
| Jun 11, 7:53 AM CDT | Special Weather Statement | MPX | Brown, McLeod, Redwood, Renville | 67 min |
| Jun 11, 8:32 AM CDT | Special Weather Statement | MPX | Martin, Watonwan | 58 min |
| Jun 11, 9:15 AM CDT | Special Weather Statement | MPX | Blue Earth, Faribault | 60 min |
| Jun 11, 10:29 AM CDT | Special Weather Statement | MPX | Freeborn, Rice, Steele, Waseca | 46 min |
| Jun 11, 11:04 AM CDT | Special Weather Statement | MPX | Goodhue | 56 min |
| Jun 11, 11:41 AM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 34 min |
| Jun 10, 8:08 PM CDT | Special Weather Statement | MPX | Chippewa, Rusk | 82 min |
| Jun 11, 12:07 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin, Pierce | 38 min |
| Jun 11, 12:39 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn | 51 min |
| Jun 11, 1:57 PM CDT | Special Weather Statement | MPX | Chippewa | 33 min |
Nearby
Special Weather Statements in Wisconsin, 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.