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 Jul 27, 2021, 6:16 AM CDT for Chippewa County, Wisconsin. It was in force for 29 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 27, 2021, 6:16 AM CDT (11:16 UTC)
- Expired
- Jul 27, 2021, 6:45 AM CDT
- In force
- 29 min
- Issued by
- NWS Twin Cities, MN
- Hail
- 0.88 in
- Wind
- 40
County Chippewa County, WI
The radar
The La Crosse radar (KARX), 125 km from the middle of the area, began a volume at 11:19 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 00:00Z, 11.3 hours before the alert went out and 186 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
- 1670 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 1398 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 5.9
The text
As transmitted.
314
WWUS83 KMPX 271116
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
616 AM CDT Tue Jul 27 2021
WIZ027-271145-
Chippewa WI-
616 AM CDT Tue Jul 27 2021
...A strong thunderstorm will impact portions of southeastern
Chippewa County through 645 AM CDT...
At 615 AM CDT, Doppler radar was tracking a strong thunderstorm 6
miles north of Lake Wissota, or 13 miles northeast of Eau Claire,
moving southeast at 30 mph.
HAZARD...Winds in excess of 40 mph and nickel 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...
Lake Wissota around 625 AM CDT.
Cadott around 630 AM CDT.
Boyd around 635 AM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4486 9133 4503 9142 4510 9117 4486 9095
TIME...MOT...LOC 1115Z 332DEG 25KT 4501 9127
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
MPGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 2:53 AM CDT | Heat Advisory | MPX | Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 21 more | 18 hr |
| Jul 27, 3:59 AM CDT | Special Weather Statement | MPX | Mille Lacs | 46 min |
| Jul 27, 3:36 PM CDT | Excessive Heat Warning | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 26 more | 29 hr |
| Jul 27, 3:36 PM CDT | Heat Advisory | MPX | Benton, Brown, Chippewa, Chisago, Douglas, Faribault and 22 more | 29 hr |
| Jul 26, 9:46 PM CDT | Special Weather Statement | MPX | Rusk | 59 min |
| Jul 27, 1:42 AM CDT | Special Weather Statement | MPX | Rusk | 63 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.