Alert archive / Minnesota / Winter Storm Watches in 2021

Winter Storm Watch 7, NWS Twin Cities, MN

December 8, 202122 counties in Minnesota; 8 counties in Wisconsin

NWS Twin Cities, MN issued this winter storm watch at Dec 8, 2021, 3:06 AM CST for 22 counties in Minnesota; 8 counties in Wisconsin. It took effect at Dec 10, 2021, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 8, 2021, 3:06 AM CST (09:06 UTC)
In effect from
Dec 10, 2021, 12:00 PM CST
Expired
Dec 9, 2021, 11:52 AM CST
In force
Issued by
NWS Twin Cities, MN
All 30 counties

Blue Earth County, MN, Brown County, MN, Carver County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Nicollet County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 09:07 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, 9.1 hours before the alert went out and 41 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 00:00Z on 2021-12-08Temperature 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 00:00Z on 2021-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.19395878Sfc1 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
593 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

642 
WWUS43 KMPX 080906
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
306 AM CST Wed Dec 8 2021

MNZ085-092-093-WIZ026-028-081800-
/O.NEW.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Steele-Faribault-Freeborn-Pepin-Eau Claire-
Including the cities of Owatonna, Blue Earth, Albert Lea, Durand,
and Eau Claire
306 AM CST Wed Dec 8 2021

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 4 to 6 
  inches possible.

* WHERE...In Wisconsin, Pepin and Eau Claire Counties. In 
  Minnesota, Steele, Faribault and Freeborn Counties.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
4 follow-up statements
062 
WWUS43 KMPX 081956
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
156 PM CST Wed Dec 8 2021

MNZ069-070-073>078-082>084-091-WIZ024-025-027-090400-
/O.EXA.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Scott-Dakota-Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-
Watonwan-Blue Earth-Waseca-Martin-Pierce-Dunn-Chippewa-
Including the cities of Shakopee, Hastings, Redwood Falls, 
New Ulm, St Peter, Le Sueur, Faribault, Red Wing, St James, 
Mankato, Waseca, Fairmont, River Falls, Menomonie, 
and Chippewa Falls
156 PM CST Wed Dec 8 2021

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 4 to 8 
  inches possible.

* WHERE...Portions of west central Wisconsin and east central, 
  south central, southeast and southwest Minnesota.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

MNZ085-092-093-WIZ026-028-090400-
/O.CON.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Steele-Faribault-Freeborn-Pepin-Eau Claire-
Including the cities of Owatonna, Blue Earth, Albert Lea, Durand,
and Eau Claire
156 PM CST Wed Dec 8 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 5 to 8 
  inches possible.

* WHERE...In Wisconsin, Pepin and Eau Claire Counties. In 
  Minnesota, Steele, Faribault and Freeborn Counties.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
115 
WWUS43 KMPX 090313
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
913 PM CST Wed Dec 8 2021

MNZ060-062-063-065>068-WIZ015-016-023-091115-
/O.EXA.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Hennepin-Ramsey-Washington-Renville-McLeod-Sibley-Carver-Barron-
Rusk-St. Croix-
Including the cities of Minneapolis, St Paul, Stillwater, Olivia,
Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Rice Lake, 
Ladysmith, and Hudson
913 PM CST Wed Dec 8 2021

...WINTER STORM WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 4 to 7 
  inches possible.

* WHERE...Portions of northwest and west central Wisconsin and 
  central and east central Minnesota.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

MNZ069-070-073>078-082>085-091>093-WIZ024>028-091115-
/O.CON.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Scott-Dakota-Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-
Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault-Freeborn-
Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Shakopee, Hastings, Redwood Falls, 
New Ulm, St Peter, Le Sueur, Faribault, Red Wing, St James, 
Mankato, Waseca, Owatonna, Fairmont, Blue Earth, Albert Lea, 
River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire
913 PM CST Wed Dec 8 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 6 to 10 
  inches possible.

* WHERE...Portions of west central Wisconsin and east central, 
  south central, southeast and southwest Minnesota.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

Borghoff
817 
WWUS43 KMPX 090953
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
353 AM CST Thu Dec 9 2021

MNZ060-062-063-065>070-073>078-082>085-091>093-WIZ015-016-023>028-
091800-
/O.CON.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
Hennepin-Ramsey-Washington-Renville-McLeod-Sibley-Carver-Scott-
Dakota-Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-
Blue Earth-Waseca-Steele-Martin-Faribault-Freeborn-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Minneapolis, St Paul, Stillwater, Olivia,
Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, 
Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, Faribault, 
Red Wing, St James, Mankato, Waseca, Owatonna, Fairmont, 
Blue Earth, Albert Lea, Rice Lake, Ladysmith, Hudson, 
River Falls, Menomonie, Durand, Chippewa Falls, and Eau Claire
353 AM CST Thu Dec 9 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON
THROUGH LATE FRIDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 5 to 
  11 inches possible.

* WHERE...Portions of northwest and west central Wisconsin and 
  central, east central, south central, southeast and southwest 
  Minnesota.

* WHEN...From Friday afternoon through late Friday night.

* IMPACTS...Travel could be very difficult, particularly during
  the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
802 
WWUS43 KMPX 091752
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
1152 AM CST Thu Dec 9 2021

.A winter storm warning has been issued for southern Minnesota and
parts of west central Wisconsin. Heavy snow of 6 to 8 inches is
expected across much of this area. There will be bands of heavy
snow within the warned area where snow totals could be as high as
12 inches. In addition there will be some blowing snow further 
reducing visibility down along parts of the I-90 corridor.

MNZ067-074>078-082>085-091>093-100200-
/O.UPG.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
/O.NEW.KMPX.WS.W.0005.211210T1500Z-211211T1200Z/
Sibley-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-
Including the cities of Gaylord, New Ulm, St Peter, Le Sueur, 
Faribault, Red Wing, St James, Mankato, Waseca, Owatonna, 
Fairmont, Blue Earth, and Albert Lea
1152 AM CST Thu Dec 9 2021

...WINTER STORM WARNING IN EFFECT FROM 9 AM FRIDAY TO 6 AM CST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 8 to 12
  inches.

* WHERE...Portions of central, south central and southeast 
  Minnesota.

* WHEN...From 9 AM Friday to 6 AM CST Saturday.

* IMPACTS...Travel could be very difficult. Patchy blowing snow
  could significantly reduce visibility. The hazardous conditions
  could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

MNZ060-062-063-066-068>070-WIZ015-016-023>028-100200-
/O.UPG.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
/O.NEW.KMPX.WS.W.0005.211210T1800Z-211211T1200Z/
Hennepin-Ramsey-Washington-McLeod-Carver-Scott-Dakota-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Chippewa-Eau Claire-
Including the cities of Minneapolis, St Paul, Stillwater, 
Hutchinson, Chanhassen, Chaska, Victoria, Shakopee, Hastings, 
Rice Lake, Ladysmith, Hudson, River Falls, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
1152 AM CST Thu Dec 9 2021

...WINTER STORM WARNING IN EFFECT FROM NOON FRIDAY TO 6 AM CST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 10 
  inches.

* WHERE...Portions of northwest and west central Wisconsin and 
  central and east central Minnesota.

* WHEN...From noon Friday to 6 AM CST Saturday.

* IMPACTS...Travel could be very difficult. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

MNZ065-073-100200-
/O.UPG.KMPX.WS.A.0007.211210T1800Z-211211T1200Z/
/O.NEW.KMPX.WS.W.0005.211210T1500Z-211211T0900Z/
Renville-Redwood-
Including the cities of Olivia and Redwood Falls
1152 AM CST Thu Dec 9 2021

...WINTER STORM WARNING IN EFFECT FROM 9 AM FRIDAY TO 3 AM CST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 4 to 7 
  inches.

* WHERE...Renville and Redwood Counties.

* WHEN...From 9 AM Friday to 3 AM CST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

MNZ056-064-100200-
/O.NEW.KMPX.WW.Y.0013.211210T1500Z-211211T0900Z/
Chippewa-Yellow Medicine-
Including the cities of Montevideo and Granite Falls
1152 AM CST Thu Dec 9 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM FRIDAY TO 3 AM CST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Chippewa and Yellow Medicine Counties.

* WHEN...From 9 AM Friday to 3 AM CST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

MNZ051>053-059-061-WIZ014-100200-
/O.NEW.KMPX.WW.Y.0013.211210T1800Z-211211T1200Z/
Sherburne-Isanti-Chisago-Wright-Anoka-Polk-
Including the cities of Elk River, Cambridge, Center City, 
Monticello, Blaine, and Osceola
1152 AM CST Thu Dec 9 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON FRIDAY TO 6 AM CST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Portions of northwest Wisconsin and central and east 
  central Minnesota.

* WHEN...From noon Friday to 6 AM CST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

MNZ057-058-100200-
/O.NEW.KMPX.WW.Y.0013.211210T1800Z-211211T0900Z/
Kandiyohi-Meeker-
Including the cities of Willmar and Litchfield
1152 AM CST Thu Dec 9 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM NOON FRIDAY TO 3 AM CST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Kandiyohi and Meeker Counties.

* WHEN...From noon Friday to 3 AM CST Saturday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. Road conditions can also be found
at 511mn.org for Minnesota or 511wi.gov for Wisconsin.

&&

$$

Nearby

Winter Storm Watches in Minnesota, 2021Winter Storm Watches in Wisconsin, 2021Every winter storm watch 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.