Alert archive / Minnesota / Winter Storm Warnings in 2021
Winter Storm Warning 6, NWS Twin Cities, MN
NWS Twin Cities, MN issued this winter storm warning at Dec 15, 2021, 3:38 PM CST for 4 counties in Minnesota. It took effect at Dec 15, 2021, 8:00 PM CST. It was in force for 14 hr. 5 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 15, 2021, 3:38 PM CST (21:38 UTC)
- In effect from
- Dec 15, 2021, 8:00 PM CST
- Expired
- Dec 16, 2021, 10:00 AM CST
- In force
- 14 hr
- Issued by
- NWS Twin Cities, MN
Counties Douglas County, MN, Pope County, MN, Stevens County, MN, Todd County, MN
The radar
The Minneapolis radar (KMPX), 181 km from the middle of the area, began a volume at 21:39 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 |
|---|---|---|---|
| Dec 16, 6:00 AM CST | SNOW 1.2 | 2 Sw Long Prairie, MN | CO-OP OBSERVER STATION LNGM5 LONG PRAIRIE. |
| Dec 16, 7:00 AM CST | SNOW 2.4 | 3 Nw Donnelly, MN | COCORAHS STATION MN-SV-4 DONNELLY 2WNW. |
| Dec 16, 8:00 AM CST | SNOW 2 | 2 Nne Long Prairie, MN | COCORAHS STATION MN-TD-12 LONG PRAIRIE 2.1 NNE. |
| Dec 16, 8:30 AM CST | SNOW 1.4 | 1 Ssw Alexandria, MN | CO-OP OBSERVER STATION ALXM5 ALEXANDRIA. |
| Dec 16, 8:30 AM CST | SNOW 3.5 | 6 N Farwell, MN | COCORAHS STATION MN-DS-6 FARWELL 5N. |
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, 9.6 hours before the alert went out and 179 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
- 1 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 455 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 291 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
170 WWUS43 KMPX 152138 WSWMPX URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 338 PM CST Wed Dec 15 2021 MNZ041-042-047-048-160945- /O.UPG.KMPX.WW.Y.0014.211216T0300Z-211216T1200Z/ /O.NEW.KMPX.WS.W.0006.211216T0200Z-211216T1600Z/ Douglas-Todd-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Morris, and Glenwood 338 PM CST Wed Dec 15 2021 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM CST THURSDAY... * WHAT...A heavy wintry mix of snow and freezing drizzle, along with wind gusts in excess of 50 mph. Total snow accumulations of 2 to 4 inches and ice accumulations of a few hundredths of an inch. Winds gusting as high as 60 mph. * WHERE...Douglas, Todd, Stevens and Pope Counties. * WHEN...From 8 PM this evening to 10 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning commute. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Near-blizzard conditions are possible with visibility dropping under 1 miles as northwest winds gust in excess of 50 mph tonight. Also, a flash freeze on roadways on other surfaces is likely as rain this evening quickly transitions to a wintry mix and temperatures plummet into the teens. 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. && $$ MNZ057-058-064-065-073-160945- /O.EXB.KMPX.WW.Y.0014.211216T0200Z-211216T1200Z/ Kandiyohi-Meeker-Yellow Medicine-Renville-Redwood- Including the cities of Willmar, Litchfield, Granite Falls, Olivia, and Redwood Falls 338 PM CST Wed Dec 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 6 AM CST THURSDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of up to one inch and ice accumulations of a light glaze. Winds gusting as high as 60 mph. * WHERE...Kandiyohi, Meeker, Yellow Medicine, Renville and Redwood Counties. * WHEN...From 8 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Wind gusts in excess of 50 mph will lead to low visibility and hazardous travel tonight. A flash freeze on roadways on other surfaces is likely as rain this evening quickly transitions to a wintry mix and temperatures plummet into the teens. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin. && $$ MNZ043>045-049-050-160945- /O.EXB.KMPX.WW.Y.0014.211216T0600Z-211216T1600Z/ Morrison-Mille Lacs-Kanabec-Stearns-Benton- Including the cities of Little Falls, Princeton, Mora, St Cloud, and Sauk Rapids 338 PM CST Wed Dec 15 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM CST THURSDAY... * WHAT...Snow expected. Total snow accumulations of up to two inches. Winds gusting as high as 60 mph. * WHERE...Morrison, Mille Lacs, Kanabec, Stearns and Benton Counties. * WHEN...From midnight tonight to 10 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Wind gusts in excess of 50 mph will lead to low visibility and hazardous travel tonight. A flash freeze on roadways on other surfaces is likely as rain this evening quickly transitions to a wintry mix and temperatures plummet into the teens. 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. && $$ MNZ054>056-160945- /O.EXT.KMPX.WW.Y.0014.211216T0200Z-211216T1200Z/ Lac Qui Parle-Swift-Chippewa- Including the cities of Madison, Benson, and Montevideo 338 PM CST Wed Dec 15 2021 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO 6 AM CST THURSDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of up to one inch and ice accumulations of a light glaze. Winds gusting as high as 60 mph. * WHERE...Portions of central and west central Minnesota. * WHEN...From 8 PM this evening to 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. Strong winds could cause extensive damage to trees and power lines. * ADDITIONAL DETAILS...Wind gusts in excess of 50 mph will lead to low visibility and hazardous travel tonight. A flash freeze on roadways on other surfaces is likely as rain this evening quickly transitions to a wintry mix and temperatures plummet into the teens. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin. && $$
3 follow-up statements
832 WWUS43 KMPX 160511 WSWMPX URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 1111 PM CST Wed Dec 15 2021 MNZ041-042-047-048-161315- /O.CON.KMPX.WS.W.0006.000000T0000Z-211216T1600Z/ Douglas-Todd-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Morris, and Glenwood 1111 PM CST Wed Dec 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... * WHAT...Heavy snow. Additional snow accumulations of up to two inches. Winds gusting as high as 60 mph. * WHERE...Stevens, Pope, Douglas and Todd Counties. * WHEN...Until 10 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning commute. Strong winds could cause tree damage. 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. && $$ MNZ054>058-064-065-073-161200- /O.CON.KMPX.WW.Y.0014.000000T0000Z-211216T1200Z/ Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker-Yellow Medicine- Renville-Redwood- Including the cities of Madison, Benson, Montevideo, Willmar, Litchfield, Granite Falls, Olivia, and Redwood Falls 1111 PM CST Wed Dec 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST THURSDAY... * WHAT...Snow. Additional snow accumulations of up to one inch. Winds gusting as high as 65 mph. * WHERE...Portions of central, southwest and west central Minnesota. * WHEN...Until 6 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. Very strong winds could cause extensive tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin. && $$ MNZ043>045-049-050-161315- /O.CON.KMPX.WW.Y.0014.211216T0600Z-211216T1600Z/ Morrison-Mille Lacs-Kanabec-Stearns-Benton- Including the cities of Little Falls, Princeton, Mora, St Cloud, and Sauk Rapids 1111 PM CST Wed Dec 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THURSDAY... * WHAT...Snow expected. Total snow accumulations of up to two inches. Winds gusting as high as 60 mph. * WHERE...Morrison, Benton, Mille Lacs, Stearns and Kanabec Counties. * WHEN...Until 10 AM CST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the morning commute. Strong winds could cause tree damage. 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. && $$ Borghoff
918 WWUS43 KMPX 161024 WSWMPX URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 424 AM CST Thu Dec 16 2021 MNZ041-042-047-048-161600- /O.CON.KMPX.WS.W.0006.000000T0000Z-211216T1600Z/ Douglas-Todd-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Morris, and Glenwood 424 AM CST Thu Dec 16 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. Winds gusting as high as 50 mph. * WHERE...Stevens, Pope, Douglas and Todd Counties. * WHEN...Until 10 AM CST this morning. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin. && $$ MNZ054>058-064-065-073-161200- /O.CON.KMPX.WW.Y.0014.000000T0000Z-211216T1200Z/ Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker-Yellow Medicine- Renville-Redwood- Including the cities of Madison, Benson, Montevideo, Willmar, Litchfield, Granite Falls, Olivia, and Redwood Falls 424 AM CST Thu Dec 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. Winds gusting as high as 50 mph. * WHERE...Portions of central, southwest and west central Minnesota. * WHEN...Until 6 AM CST early this morning. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. Strong winds could cause tree damage. 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. && $$ MNZ043>045-049-050-161600- /O.CON.KMPX.WW.Y.0014.000000T0000Z-211216T1600Z/ Morrison-Mille Lacs-Kanabec-Stearns-Benton- Including the cities of Little Falls, Princeton, Mora, St Cloud, and Sauk Rapids 424 AM CST Thu Dec 16 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST THIS MORNING... * WHAT...Snow. Additional snow accumulations of up to one inch. Winds gusting as high as 50 mph. * WHERE...Morrison, Benton, Mille Lacs, Stearns and Kanabec Counties. * WHEN...Until 10 AM CST this morning. * IMPACTS...Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning commute. Strong winds could cause tree damage. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Road conditions can also be found at 511mn.org for Minnesota or 511wi.gov for Wisconsin. && $$ Borghoff
218 WWUS43 KMPX 161546 WSWMPX URGENT - WINTER WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 946 AM CST Thu Dec 16 2021 MNZ041-042-047-048-161700- /O.EXP.KMPX.WS.W.0006.000000T0000Z-211216T1600Z/ Douglas-Todd-Stevens-Pope- Including the cities of Alexandria, Long Prairie, Morris, and Glenwood 946 AM CST Thu Dec 16 2021 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM CST THIS MORNING... Snowfall has ended across the counties included in the warning with no additional snowfall expected. Breezy conditions today may produce areas of blowing snow but widespread travel impacts are not expected. Therefore, the Winter Storm Warning will be allowed to expire. $$ MNZ043>045-049-050-161700- /O.EXP.KMPX.WW.Y.0014.000000T0000Z-211216T1600Z/ Morrison-Mille Lacs-Kanabec-Stearns-Benton- Including the cities of Little Falls, Princeton, Mora, St Cloud, and Sauk Rapids 946 AM CST Thu Dec 16 2021 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING... Snowfall has ended across the counties included in the advisory with no additional snowfall expected. Breezy conditions today may produce areas of blowing snow but widespread travel impacts are not expected. Therefore, the Winter Weather Advisory will be allowed to expire. $$
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 15, 3:28 AM CST | Winter Weather Advisory | MPX | Benton, Chippewa, Douglas, Kanabec, Kandiyohi, Lac qui Parle and 11 more | 31 hr |
| Dec 15, 3:34 AM CST | Dense Fog Advisory | MPX | Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more | 11 hr |
| Dec 15, 5:25 PM CST | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Martin, Watonwan | 35 min |
Nearby
Winter Storm Warnings in Minnesota, 2021Every winter storm warning 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.