Alert archive / North Dakota / Winter Storm Warnings in 2021
Winter Storm Warning 1, NWS Bismarck, ND
NWS Bismarck, ND issued this winter storm warning at Oct 12, 2021, 2:03 PM MDT for Bowman County, Golden Valley County, Slope County, North Dakota. It took effect at Oct 12, 2021, 6:00 PM MDT. It was in force for 26 hr. 6 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
- Oct 12, 2021, 2:03 PM MDT (20:03 UTC)
- In effect from
- Oct 12, 2021, 6:00 PM MDT
- Expired
- Oct 13, 2021, 8:23 PM MDT
- In force
- 26 hr
- Issued by
- NWS Bismarck, ND
Counties Bowman County, ND, Golden Valley County, ND, Slope County, ND
The radar
The Bismarck radar (KBIS), 220 km from the middle of the area, began a volume at 20:03 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 |
|---|---|---|---|
| Oct 13, 7:00 AM MDT | SNOW 2 | 2 E Rhame, ND | COCORAHS STATION ND-BW-1 RHAME 1.9 E LIQUID EQUIVALENT 1.55 IN. |
| Oct 13, 7:00 AM MDT | SNOW 2.5 | 1 S Beach, ND | COCORAHS STATION ND-GV-1 BEACH 0.3 SSE LIQUID EQUIVALENT 0.70 IN. |
| Oct 13, 8:00 AM MDT | HEAVY SNOW 7 | 12 N Beach, ND | SOCIAL MEDIA REPORT OF 6-8 IN. |
| Oct 13, 8:10 AM MDT | SNOW 2 | 2 E Rhame, ND | SOCIAL MEDIA REPORT OF 2IN. LIQUID EQUIVALENT 1.55 IN. |
| Oct 13, 10:49 AM MDT | SNOW 3 | Bowman, ND | REPORT FROM BOWMAN COUNTY EMERGENCY MANAGER. |
| Oct 13, 10:49 AM MDT | SNOW 5.5 | Rhame, ND | BOWMAN COUNTY EMERGENCY MANAGER REPORTED 5 TO 6 INCHES OF SNOW IN RHAME. MINIMAL TREE DAMAGE BUT A BRANCH DID TAKE DOWN A POWER LINE, WHICH KNOCKED OUT POWER TO RHAME ELEMENTARY SCHOOL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 12:00Z, 8.1 hours before the alert went out and 224 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1576 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 282 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
649 WWUS43 KBIS 122003 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 203 PM MDT Tue Oct 12 2021 NDZ031-040-043-130415- /O.UPG.KBIS.WW.Y.0005.211013T0000Z-211014T0000Z/ /O.NEW.KBIS.WS.W.0001.211013T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 203 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 PM MDT WEDNESDAY... * WHAT...Heavy wet snow expected. Total snow accumulations of 5 to 9 inches, with locally higher amounts possible across elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...From 6 PM this evening to 9 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. Falling, blowing snow will reduce visibilities. Snow covered roads will become slippery. 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. && $$ NDZ001-009-017-032-130415- /O.NEW.KBIS.WW.Y.0006.211013T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 303 PM CDT Tue Oct 12 2021 /203 PM MDT Tue Oct 12 2021/ ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM CDT /6 PM MDT/ THIS EVENING TO 10 PM CDT /9 PM MDT/ WEDNESDAY... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...From 7 PM CDT /6 PM MDT/ this evening to 10 PM CDT /9 PM MDT/ Wednesday. * IMPACTS...Plan on slippery road conditions. Falling, blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Edwards
6 follow-up statements
418 WWUS43 KBIS 122331 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 531 PM MDT Tue Oct 12 2021 NDZ031-040-043-130945- /O.CON.KBIS.WS.W.0001.211013T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 531 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT WEDNESDAY... * WHAT...Heavy wet snow expected. Total snow accumulations of 5 to 9 inches, with locally higher amounts possible across the elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...Until 9 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. Falling and blowing snow will reduce visibilities. Snow covered roads will become slippery. 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. && $$ NDZ001-009-017-032-130945- /O.CON.KBIS.WW.Y.0006.211013T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 631 PM CDT Tue Oct 12 2021 /531 PM MDT Tue Oct 12 2021/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT/9 PM MDT/ WEDNESDAY... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...Until 10 PM CDT/9 PM MDT/ Wednesday. * IMPACTS...Travel will become hazardous. Plan on slippery road conditions. Falling and blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Heinert
183 WWUS43 KBIS 130548 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 1148 PM MDT Tue Oct 12 2021 NDZ031-040-043-131400- /O.CON.KBIS.WS.W.0001.000000T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 1148 PM MDT Tue Oct 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT WEDNESDAY... * WHAT...Heavy wet snow expected. Total snow accumulations of 5 to 9 inches, with locally higher amounts possible across the elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...Until 9 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. Falling and blowing snow will reduce visibilities. Snow covered roads will become slippery. 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 can be obtained by calling 5 1 1. && $$ NDZ001-009-017-032-131400- /O.CON.KBIS.WW.Y.0006.000000T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 1248 AM CDT Wed Oct 13 2021 /1148 PM MDT Tue Oct 12 2021/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT/9 PM MDT/ THIS EVENING... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...Until 10 PM CDT/9 PM MDT/ this evening. * IMPACTS...Travel will become hazardous. Plan on slippery road conditions. Falling and blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Hamilton
098 WWUS43 KBIS 131007 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 407 AM MDT Wed Oct 13 2021 NDZ031-040-043-131815- /O.CON.KBIS.WS.W.0001.000000T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 407 AM MDT Wed Oct 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy wet snow expected. Total snow accumulations of 5 to 9 inches, with locally higher amounts possible across the elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be very difficult. Falling and blowing snow will reduce visibilities to near blizzard conditions at times. Snow covered roads will become slippery. 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 can be obtained by calling 5 1 1. && $$ NDZ001-009-017-032-131815- /O.CON.KBIS.WW.Y.0006.000000T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 507 AM CDT Wed Oct 13 2021 /407 AM MDT Wed Oct 13 2021/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT/9 PM MDT/ THIS EVENING... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...Until 10 PM CDT/9 PM MDT/ this evening. * IMPACTS...Travel will become hazardous. Plan on slippery road conditions. Falling and blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ Gale
695 WWUS43 KBIS 131459 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 859 AM MDT Wed Oct 13 2021 NDZ031-040-043-132300- /O.CON.KBIS.WS.W.0001.000000T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 859 AM MDT Wed Oct 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy wet snow expected. Additional snow accumulations of 3 to 6 inches, with locally higher amounts possible across the elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be very difficult. Falling and blowing snow will reduce visibilities to near blizzard conditions at times. Snow covered roads will become slippery. 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 can be obtained by calling 5 1 1. && $$ NDZ001-009-017-032-132300- /O.CON.KBIS.WW.Y.0006.000000T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 959 AM CDT Wed Oct 13 2021 /859 AM MDT Wed Oct 13 2021/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT/9 PM MDT/ THIS EVENING... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...Until 10 PM CDT/9 PM MDT/ this evening. * IMPACTS...Travel will become hazardous. Plan on slippery road conditions. Falling and blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ Edwards
906 WWUS43 KBIS 132001 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 201 PM MDT Wed Oct 13 2021 NDZ031-040-043-140300- /O.CON.KBIS.WS.W.0001.000000T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 201 PM MDT Wed Oct 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Heavy wet snow expected. Additional snow accumulations of 2 to 4 inches, with locally higher amounts possible across the elevated terrain along the Montana border. Winds gusting as high as 45 mph. * WHERE...Bowman, Golden Valley, and Slope Counties. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel could be very difficult. Falling and blowing snow will reduce visibilities to near blizzard conditions at times. Snow covered roads will become slippery. 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 can be obtained by calling 5 1 1. && $$ NDZ001-009-017-032-140300- /O.CON.KBIS.WW.Y.0006.000000T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 301 PM CDT Wed Oct 13 2021 /201 PM MDT Wed Oct 13 2021/ ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT/9 PM MDT/ THIS EVENING... * WHAT...Wet snow expected. Total snow accumulations of 2 to 4 inches. Winds gusting as high as 45 mph. * WHERE...Divide, McKenzie, Williams, and Billings Counties. * WHEN...Until 10 PM CDT/9 PM MDT/ this evening. * IMPACTS...Travel will become hazardous. Plan on slippery road conditions. Falling and blowing snow will reduce visibilities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions can be obtained by calling 5 1 1. && $$ Edwards
482 WWUS43 KBIS 140223 WSWBIS URGENT - WINTER WEATHER MESSAGE National Weather Service Bismarck ND 823 PM MDT Wed Oct 13 2021 NDZ031-040-043-140330- /O.CAN.KBIS.WS.W.0001.000000T0000Z-211014T0300Z/ Golden Valley-Slope-Bowman- Including the cities of Marmarth, Beach, and Bowman 823 PM MDT Wed Oct 13 2021 ...WINTER STORM WARNING IS CANCELLED... Accumulating snow has ended over the warned area. Therefore, the winter storm warning is cancelled. Use caution if traveling tonight, as some roads may become icy. $$ NDZ001-009-017-032-140330- /O.CAN.KBIS.WW.Y.0006.000000T0000Z-211014T0300Z/ Divide-Williams-McKenzie-Billings- Including the cities of Watford City, Medora, Williston, and Crosby 923 PM CDT Wed Oct 13 2021 /823 PM MDT Wed Oct 13 2021/ ...WINTER WEATHER ADVISORY IS CANCELLED... Accumulating snow has transitioned to scattered light snow showers. Therefore, the winter weather advisory is cancelled. Use caution if traveling this evening. $$ Heinert
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 3:01 AM MDT | Winter Weather Advisory | BIS | Bowman, Golden Valley, Slope | 11 hr |
| Oct 12, 2:03 PM MDT | Winter Weather Advisory | BIS | Billings, Divide, McKenzie, Williams | 30 hr |
| Oct 12, 2:07 PM MDT | Wind Advisory | BIS | Adams, Billings, Bowman, Burke, Burleigh, Divide and 13 more | 30 hr |
Nearby
Winter Storm Warnings in North Dakota, 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.