Alert archive / Colorado / Blizzard Warnings in 2018
Blizzard Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this blizzard warning at Apr 12, 2018, 9:51 AM MDT for 4 counties in Colorado. It took effect at Apr 13, 2018, 6:00 AM MDT. It was in force for 23 hr. 2 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
- Apr 12, 2018, 9:51 AM MDT (15:51 UTC)
- In effect from
- Apr 13, 2018, 6:00 AM MDT
- Expired
- Apr 14, 2018, 4:44 AM MDT
- In force
- 23 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Goodland radar (KGLD), 159 km from the middle of the area, began a volume at 15:52 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 |
|---|---|---|---|
| Apr 13, 1:15 PM MDT | BLIZZARD | 5 Se Akron, CO | ESTIMATED 8 INCHES OF SNOW ON THE GROUND. VISIBILITY LESS THAN 50 FEET WITH WHITEOUT CONDITIONS. |
| Apr 13, 7:02 PM MDT | BLIZZARD | Julesburg, CO | PERSISTENT SNOW AND BLOWING SNOW ALL DAY WITH ZERO VISIBILITY AT TIMES. ESTIMATED SNOWFALL WAS IN THE 6 TO 8 INCH RANGE. WINDS WERE ESTIMATED AT 50 TO 60 MPH AT TIMES THROUGH THE DAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 3.9 hours before the alert went out and 85 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
- 2739 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 211 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
278 WWUS45 KBOU 121551 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 951 AM MDT Thu Apr 12 2018 ...POWERFUL SPRING STORM WILL BRING STRONG WINDS AND ACCUMULATING SNOW TO PORTIONS OF NORTHEAST AND NORTH CENTRAL COLORADO... .A powerful storm system will move into Colorado tonight and then move very slowly east through the Central Plains into Saturday. Snow will first develop over the mountains late this afternoon into this evening, and then across the eastern plains by Friday morning. Snow may become heavy over the far eastern plains Friday into Friday night, and combine with very strong winds to produce dangerous travel with low visibility due to blizzard conditions. At this time, locations along the I-25 Corridor are only expected to see light snow showers with around an inch in accumulation. Stay tuned for the latest updates and forecasts concerning this powerful spring storm. COZ048>051-130000- /O.UPG.KBOU.WS.A.0004.180413T1200Z-180414T1200Z/ /O.NEW.KBOU.BZ.W.0002.180413T1200Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 951 AM MDT Thu Apr 12 2018 ...BLIZZARD WARNING IN EFFECT FROM 6 AM FRIDAY TO 6 AM MDT SATURDAY... * WHAT...Blizzard conditions expected. Winds gusting as high as 65 mph will cause whiteout conditions in blowing snow. Significant drifting of the snow is likely. Total snow accumulations of 4 to 8 inches with locally higher amounts up to 10 inches are expected. * WHERE...Sterling, Akron, Julesburg and Holyoke. * WHEN...From 6 AM Friday to 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be very dangerous to impossible, including during the evening commute on Friday. Damage to trees and power lines is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous. Do not travel. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ031-033-034-130000- /O.CON.KBOU.WW.Y.0023.180413T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 951 AM MDT Thu Apr 12 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 PM MDT FRIDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 3 to 7 inches, with localized amounts up to 12 inches, are expected. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 6 PM this evening to 9 PM MDT Friday. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute on Friday. In addition, areas of poor visibility are likely. Winds gusting as high as 50 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow and blowing snow means periods of snow and blowing snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
6 follow-up statements
087 WWUS45 KBOU 130313 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 913 PM MDT Thu Apr 12 2018 ...POWERFUL SPRING STORM WILL BRING STRONG WINDS AND ACCUMULATING SNOW TO PORTIONS OF NORTHEAST AND NORTH CENTRAL COLORADO... .A powerful winter-like storm system will slowly track across Colorado bringing snow and blowing snow to the high country tonight through Friday evening, and dangerous Blizzard conditions to part of the Colorado northeast plain Friday and Friday night. The combination of very strong winds and periods of moderate to heavy snowfall will potentially produce dangerous travel across the northeast corner of the Colorado Friday afternoon and evening. with low visibility due to blizzard conditions. In addition, the mountain portion of the I-70 Corridor will also be impacted by difficult winter driving conditions. Stay tuned for the latest updates and forecasts concerning this powerful winter-like storm. COZ048>051-131115- /O.CON.KBOU.BZ.W.0002.180413T1200Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 913 PM MDT Thu Apr 12 2018 ...BLIZZARD WARNING IN EFFECT FROM 6 AM FRIDAY TO 6 AM MDT SATURDAY... * WHAT...Blizzard conditions expected. Winds gusting as high as 70 mph will cause whiteout conditions in blowing snow. Significant drifting of the snow is likely. Total snow accumulations of 3 to 8 inches are expected. * WHERE...Sterling, Akron, Julesburg and Holyoke. * WHEN...From 6 AM Friday to 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be dangerous to impossible, especially during the evening commute Friday. Damage to trees and power lines is a strong possibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous. Do not travel. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ031-033-034-131115- /O.CON.KBOU.WW.Y.0023.000000T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 913 PM MDT Thu Apr 12 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT FRIDAY... * WHAT...Snow and blowing snow. Additional snow accumulations of 4 to 8 inches, with localized amounts up to 11 inches, are expected. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 9 PM MDT Friday. * ADDITIONAL DETAILS...Plan on snow covered roadways, including during the morning and afternoon peak commute times. In addition, areas of poor visibility are likely. Winds gusting as high as 50 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow and blowing snow means periods of snow and blowing snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Baker
963 WWUS45 KBOU 131026 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 426 AM MDT Fri Apr 13 2018 ...POWERFUL SPRING STORM WILL BRING STRONG WINDS AND BLIZZARD CONDITIONS TO PORTIONS OF NORTHEAST AND NORTH CENTRAL COLORADO... .A powerful spring storm will slowly track across Colorado bringing blizzard conditions to the eastern Colorado plains today and tonight, and snow and blowing snow to the mountains. The combination of very strong winds and periods of moderate to heavy snowfall will produce dangerous travel across the northeast corner of the Colorado this afternoon and evening. Visibilities may drop to zero in heavy snow and blowing snow as winds gust to around 65 mph. Locations as far south as Limon and points westward across the Palmer Divide may also see accumulating snow with some blowing snow. In addition, the mountain portion of the I-70 Corridor will also be impacted by winter driving conditions. Stay tuned for the latest updates and forecasts concerning this powerful storm. COZ048>051-131900- /O.CON.KBOU.BZ.W.0002.180413T1200Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 426 AM MDT Fri Apr 13 2018 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...Blizzard conditions expected. Winds gusting as high as 65 mph will cause whiteout conditions in blowing snow. Significant drifting of the snow is likely. Total snow accumulations of 5 to 10 inches are expected. * WHERE...Sterling, Akron, Julesburg and Holyoke. * WHEN...Until 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be very dangerous to impossible. Damage to trees and power lines is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous. Do not travel. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. Ranchers should take necessary actions to protect young livestock especially vulnerable to the strong winds, blizzard conditions, and much colder temperatures. $$ COZ031-033-034-131900- /O.CON.KBOU.WW.Y.0023.000000T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 426 AM MDT Fri Apr 13 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow and blowing snow. Additional snow accumulations of 2 to 4 inches, with localized amounts up to 6 inches, are expected. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 9 PM MDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute. In addition, areas of poor visibility are likely. Winds gusting as high as 50 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow and blowing snow means periods of snow and blowing snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
824 WWUS45 KBOU 131908 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 108 PM MDT Fri Apr 13 2018 ...POWERFUL SPRING STORM WILL BRING STRONG WINDS AND BLIZZARD CONDITIONS TO PORTIONS OF NORTHEAST AND NORTH CENTRAL COLORADO... .A strong spring storm will continue to strengthen across the high plains this afternoon and move slowly east tonight. The combination of very strong winds and periods of moderate to heavy snowfall will produce blizzard conditions in areas east of Sterling, Brush, Last Chance, and Limon this afternoon and evening. Visibilities will drop to near zero in heavy snow and blowing snow as winds gust to around 70 mph. Locations from Limon westward toward Kiowa and Monument Hill may also see accumulating snow with some blowing snow. In addition, the mountain portion of the I-70 Corridor will also be impacted by winter driving conditions. At midday, road closures were beginning in much of northeastern Colorado, especially in Washington county. Travelers should strongly consider delaying travel, and check for road closure information by dialing 511 or visiting www.cotrip.org. COZ048>051-140400- /O.CON.KBOU.BZ.W.0002.000000T0000Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 108 PM MDT Fri Apr 13 2018 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...Blizzard conditions. Winds gusting as high as 70 mph will cause whiteout conditions in blowing snow. Significant drifting of the snow is likely. Additional snow accumulations of 5 to 9 inches are expected. * WHERE...Sterling, Akron, Julesburg and Holyoke. * WHEN...Until 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be very dangerous to impossible, including during the evening commute. Damage to trees and power lines is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous. Do not travel. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ031-033-034-140300- /O.CON.KBOU.WW.Y.0023.000000T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 108 PM MDT Fri Apr 13 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow and blowing snow. Additional snow accumulations of up to 2 inches are expected. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 9 PM MDT this evening. * ADDITIONAL DETAILS...Plan on slippery road conditions, including during the evening commute. In addition, areas of poor visibility are likely. Winds gusting as high as 50 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow and blowing snow means periods of snow and blowing snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Gimmestad
058 WWUS45 KBOU 132217 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 417 PM MDT Fri Apr 13 2018 ...POWERFUL SPRING STORM BRINGING DAMAGING WINDS AND BLIZZARD CONDITIONS TO NORTHEASTERN COLORADO... .A strong spring storm over the high plains will move slowly east through Saturday. The combination of very strong winds and periods of moderate to heavy snowfall will produce blizzard conditions in areas east of Sterling, Brush, Last Chance, and Limon this evening, with conditions gradually improving from the west after midnight. Visibilities will drop to near zero in heavy snow and blowing snow as winds gust to around 70 mph. Locations from Limon westward toward Kiowa and Monument Hill may also see accumulating snow with some blowing snow. The mountains will continue to receive light snow showers this evening with light accumulations. At mid afternoon, there were numerous road closures in northeastern and east central Colorado. There were also numerous power outages in the northeast corner of the state. Travelers should strongly consider delaying travel, and check for road closure information by dialing 511 or visiting www.cotrip.org. COZ048>051-140630- /O.CON.KBOU.BZ.W.0002.000000T0000Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 417 PM MDT Fri Apr 13 2018 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...Blizzard conditions. Winds gusting as high as 70 mph will cause whiteout conditions in blowing snow. Significant drifting of the snow is likely. Additional snow accumulations of 5 to 9 inches are expected. * WHERE...Sterling, Akron, Julesburg and Holyoke. * WHEN...Until 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be very dangerous to impossible, including during the evening commute. Damage to trees and power lines is possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel extremely dangerous. Do not travel. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ031-033-034-140300- /O.CON.KBOU.WW.Y.0023.000000T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 417 PM MDT Fri Apr 13 2018 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING... * WHAT...Snow and blowing snow. Additional snow accumulations of up to 2 inches are expected. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 9 PM MDT this evening. * ADDITIONAL DETAILS...Periods of snow covered roads during the heavier showers. In addition, areas of poor visibility are likely. Winds gusting as high as 55 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow and blowing snow means periods of snow and blowing snow will cause primarily travel difficulties. Expect snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ Gimmestad
919 WWUS45 KBOU 140307 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 907 PM MDT Fri Apr 13 2018 COZ031-033-034-140415- /O.EXP.KBOU.WW.Y.0023.000000T0000Z-180414T0300Z/ Rabbit Ears Pass- Rocky Mountain National Park and the Medicine Bow Range- The Mountains of Summit County, the Mosquito Range, and the Indian Peaks- Including the cities of East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 907 PM MDT Fri Apr 13 2018 ...WINTER WEATHER ADVISORY HAS EXPIRED... Snowfall will continue to decrease in the mountains of northern Colorado this evening. Any additional accumulation should be under 2 inches and confined to areas above timberline and high passes. Therefore the winter weather advisory has been allowed to expire. $$ COZ048>051-141115- /O.CON.KBOU.BZ.W.0002.000000T0000Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 907 PM MDT Fri Apr 13 2018 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT SATURDAY... * WHAT...Blizzard conditions. Winds will continue to gust 35 to 50 mph causing poor visibility due to blowing snow. Significant drifting of the snow is likely. Additional snow accumulations of 1 to 4 inches are expected tonight, with the higher amounts in Washington and Phillips Counties. * WHERE...Akron, Julesburg, Holyoke and Haxtun. * WHEN...Until 6 AM MDT Saturday. * ADDITIONAL DETAILS...Travel will be very dangerous to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to near whiteout conditions, making travel extremely dangerous. Do not travel in this area tonight. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ Baker
785 WWUS45 KBOU 141044 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 444 AM MDT Sat Apr 14 2018 COZ048>051-141145- /O.CAN.KBOU.BZ.W.0002.000000T0000Z-180414T1200Z/ Sterling-Akron-Julesburg-Holyoke- Including the cities of Crook, Merino, Sterling, Peetz, Akron, Cope, Last Chance, Otis, Julesburg, Ovid, Sedgwick, Amherst, Haxtun, and Holyoke 444 AM MDT Sat Apr 14 2018 ...BLIZZARD WARNING IS CANCELLED... Snowfall has ended over most of northeast Colorado, with just a few lingering areas of snow over Sedgwick and Phillips Counties. Gusty north winds continue, but at speeds lower than last evening. As the late-season storm system continues moving out over the Upper Midwest, weather conditions in Colorado will gradually improve through today. North winds this morning will continue in the 35 to 45 MPH range with areas of blowing and drifting snow. Residents should continue using caution if they need to be outside this morning. Better weather conditions are expected this afternoon as winds decrease and skies begin clearing out. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 4:29 AM MDT | Winter Storm Watch | BOU | Logan, Phillips, Sedgwick, Washington | 5 hr |
| Apr 12, 9:49 AM MDT | High Wind Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Lincoln, Morgan and 1 more | 53 hr |
Nearby
Blizzard Warnings in Colorado, 2018Every blizzard warning in 2018
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.