Weather Alerts for Colorado

Recent Locations: Hilliard, OH   Denver, CO  

1. Avalanche Warning for: Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains

2. Avalanche Watch for: Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains

3. Avalanche Watch for: Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains

4. Freeze Warning for: Grand Valley; Arches/Grand Flat

5. Freeze Watch for: Grand Valley; Arches/Grand Flat

6. 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

7. High Wind Warning for: Pueblo Vicinity/Pueblo County Below 6300 Feet; La Junta Vicinity/Otero County; Eastern Las Animas County; Las Animas Vicinity/Bent County; Lamar Vicinity/Prowers County; Springfield Vicinity/Baca County

8. High Wind Warning for: Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft; Trinidad Vicinity/Western Las Animas County Below 7500 Ft

9. Red Flag Warning for: Cheyenne; Norton; Graham; Wallace; Logan; Gove; Greeley; Wichita

10. Red Flag Warning for: Fremont County Including Canon City/Howard/Texas Creek

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

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

13. Red Flag Warning for: Southeast Elbert County Below 6000 Feet/South Lincoln County

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

15. Special Weather Statement for: Four Corners/Upper Dolores River

16. Wind Advisory for: Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin

17. Winter Weather Advisory for: Eastern San Juan Mountains Above 10000 Ft

18. Winter Weather Advisory for: Elkhead and Park Mountains

19. Winter Weather Advisory for: Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains; Flat Tops

20. Winter Weather Advisory for: Grand and Battlement Mesas

21. Winter Weather Advisory for: Leadville Vicinity/Lake County Below 11000 Ft; Western Chaffee County Between 9000 and 11000 Ft

22. Winter Weather Advisory for: Northwestern San Juan Mountains; Southwest San Juan Mountains

23. Winter Weather Advisory for: West Jackson and West Grand Counties Above 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

24. Winter Weather Advisory for: Western Mosquito Range/East Lake County Above 11000 Ft; Eastern Sawatch Mountains above 11000 Ft

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Current U.S. National Radar--Current

The Current National Weather Radar is shown below with a UTC Time (subtract 5 hours from UTC to get Eastern Time).

Current U.S. National Radar

National Weather Forecast--Current

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Today's National Weather Map

National Weather Forecast for Tomorrow

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Tomorrows National Weather Map

North America Water Vapor (Moisture)

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North American Water Vapor Map

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

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

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

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