Weather Alerts for Colorado

Recent Locations: Grandy, MN Springville, UT Creede, CO

1. Air Quality Alert for: Elbert, CO; Weld, CO; Morgan, CO; Phillips, CO; Sedgwick, CO; Logan, CO; Lincoln, CO; Arapahoe, CO; Washington, CO; Adams, CO

2. Air Quality Alert for: Kit Carson, CO; Cheyenne, CO; Yuma, CO

3. Air Quality Alert for: Prowers, CO; Pueblo, CO; Crowley, CO; Otero, CO; Baca, CO; El Paso, CO; Bent, CO; Kiowa, CO; Las Animas, CO

4. Avalanche Warning for: West Elk and Sawatch Mountains

5. Avalanche Watch for: Elkhead and Park Mountains; Northwestern San Juan Mountains; Southwest San Juan Mountains; West Jackson and West Grand Counties Above 9000 Feet; Eastern San Juan Mountains Above 10000 Ft

6. Avalanche Watch for: Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Flat Tops

7. Avalanche Watch for: Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; Flat Tops

8. Blowing Dust Warning for: Western Kiowa County; Eastern Kiowa County; Las Animas Vicinity/Bent County; Lamar Vicinity/Prowers County; Springfield Vicinity/Baca County

9. Blowing Dust Warning for: Yuma County; Kit Carson County; Cheyenne County; Cheyenne; Sherman; Thomas; Wallace; Logan; Gove; Greeley; Wichita

10. Fire Weather Watch for: Fremont County Including Canon City/Howard/Texas Creek

11. Fire Weather Watch for: Huerfano County Including Walsenburg

12. Fire Weather Watch for: Pueblo County Including Pueblo; Western Las Animas County Including Trinidad and Thatcher

13. Fire Weather Watch for: Southern El Paso County Including Fort Carson and Colorado Springs

14. Fire Weather Watch for: Yuma; Kit Carson County; Cheyenne; Cheyenne; Sherman; Wallace; Greeley

15. High Wind Warning for: Canon City Vicinity/Eastern Fremont County; Pueblo Vicinity/Pueblo County Below 6300 Feet; Trinidad Vicinity/Western Las Animas County Below 7500 Ft

16. High Wind Warning for: Canon City Vicinity/Eastern Fremont County; Pueblo Vicinity/Pueblo County Below 6300 Feet; Trinidad Vicinity/Western Las Animas County Below 7500 Ft

17. High Wind Warning for: Crowley County; La Junta Vicinity/Otero County; Eastern Las Animas County

18. High Wind Warning for: Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft; Alamosa Vicinity/Central San Luis Valley Below 8500 Ft; Southern San Luis Valley

19. High Wind Warning for: Del Norte Vicinity/Northern San Luis Valley Below 8500 Ft; Alamosa Vicinity/Central San Luis Valley Below 8500 Ft; Southern San Luis Valley

20. High Wind Warning for: Larimer County Below 6000 Feet/Northwest Weld County; Northeast Weld County; Central and South Weld County; Morgan County; Central and East Adams and Arapahoe Counties; North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County; Logan County; Washington County; Sedgwick County; Phillips County

21. High Wind Warning for: Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft; Northern Sangre de Cristo Mountains above 11000 Ft; Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft; Southern Sangre De Cristo Mountains Above 11000 Ft; Western/Central Fremont County Below 8500 Ft; Wet Mountain Valley Below 8500 Ft; Wet Mountains between 6300 and 10000Ft; Wet Mountains above 10000 Ft; Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft

22. High Wind Warning for: Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft; Northern Sangre de Cristo Mountains above 11000 Ft; Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft; Southern Sangre De Cristo Mountains Above 11000 Ft; Western/Central Fremont County Below 8500 Ft; Wet Mountain Valley Below 8500 Ft; Wet Mountains between 6300 and 10000Ft; Wet Mountains above 10000 Ft; Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft

23. High Wind Warning for: Western Kiowa County; Eastern Kiowa County; Las Animas Vicinity/Bent County; Lamar Vicinity/Prowers County; Springfield Vicinity/Baca County

24. High Wind Warning for: Yuma County; Kit Carson County; Cheyenne County; Cheyenne; Sherman; Thomas; Wallace; Logan; Gove; Greeley; Wichita

25. Red Flag Warning for: Crowley County Including Ordway; Otero County Including La Junta and Western Comanche Grasslands; Eastern Las Animas County Including Pinon Canyon; Kiowa County Including Eads; Bent County Including Las Animas; Prowers County Including Lamar; Baca County Including Springfield and Eastern Comanche Grasslands

26. Red Flag Warning for: Crowley County Including Ordway; Otero County Including La Junta and Western Comanche Grasslands; Eastern Las Animas County Including Pinon Canyon; Kiowa County Including Eads; Bent County Including Las Animas; Prowers County Including Lamar; Baca County Including Springfield and Eastern Comanche Grasslands

27. Red Flag Warning for: Huerfano County Including Walsenburg

28. Red Flag Warning for: Larimer County Below 6000 Feet/Northwest Weld County; Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County; North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County; Elbert/Central and East Douglas Counties Above 6000 Feet; Northeast Weld County; Central and South Weld County; Morgan County; Central and East Adams and Arapahoe Counties; Logan County; Washington County; Sedgwick County; Phillips County

29. Red Flag Warning for: North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County

30. Red Flag Warning for: North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County

31. Red Flag Warning for: Northern El Paso County Including Monument and Black Forest

32. Red Flag Warning for: Pueblo County Including Pueblo; Western Las Animas County Including Trinidad and Thatcher

33. Red Flag Warning for: Pueblo County Including Pueblo; Western Las Animas County Including Trinidad and Thatcher

34. Red Flag Warning for: Southern El Paso County Including Fort Carson and Colorado Springs

35. Red Flag Warning for: Yuma; Kit Carson County; Cheyenne; Cheyenne; Sherman; Wallace; Greeley

36. Wind Advisory for: Debeque to Silt Corridor; Central Colorado River Basin; Upper Gunnison River Valley

37. Wind Advisory for: Debeque to Silt Corridor; Central Colorado River Basin; Upper Gunnison River Valley

38. Wind Advisory for: Grand Valley; Central Gunnison and Uncompahgre River Basin; Arches/Grand Flat

39. Wind Advisory for: Grand Valley; Central Gunnison and Uncompahgre River Basin; Arches/Grand Flat

40. Wind Advisory for: Lower Yampa River Basin; Central Yampa River Basin; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Animas River Basin

41. Wind Advisory for: Lower Yampa River Basin; Central Yampa River Basin; Paradox Valley/Lower Dolores River; Four Corners/Upper Dolores River; Animas River Basin

42. Winter Storm Warning for: Eastern Sawatch Mountains above 11000 Ft; Eastern San Juan Mountains Above 10000 Ft

43. Winter Storm Warning for: Elkhead and Park Mountains

44. Winter Storm Warning for: Gore and Elk Mountains/Central Mountain Valleys; Flat Tops

45. Winter Storm Warning for: Grand and Battlement Mesas; West Elk and Sawatch Mountains

46. Winter Storm Warning for: Northwestern San Juan Mountains; Southwest San Juan Mountains

47. Winter Storm Warning for: Roan and Tavaputs Plateaus

48. Winter Storm Warning for: Uncompahgre Plateau/Dallas Divide

49. Winter Storm Warning for: West Jackson and West Grand Counties Above 9000 Feet

50. Winter Weather Advisory for: Jackson County Below 9000 Feet; Grand and Summit Counties Below 9000 Feet; South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet; South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet

51. Winter Weather Advisory for: San Juan River Basin

52. Winter Weather Advisory for: Upper Yampa River Basin

53. Winter Weather Advisory for: Western Mosquito Range/East Lake County Above 11000 Ft; Leadville Vicinity/Lake County Below 11000 Ft; Western Chaffee County Between 9000 and 11000 Ft; La Garita Mountains Above 10000 Ft; Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Ft

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Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

Weather Topic: What are Cumulus Clouds?

Home - Education - Cloud Types - Cumulus Clouds

Next Topic: Drizzle

Cumulus clouds are fluffy and textured with rounded tops, and may have flat bottoms. The border of a cumulus cloud is clearly defined, and can have the appearance of cotton or cauliflower.

Cumulus clouds form at low altitudes (rarely above 2 km) but can grow very tall, becoming cumulus congestus and possibly the even taller cumulonimbus clouds. When cumulus clouds become taller, they have a greater chance of producing precipitation.

Next Topic: Drizzle