Weather Alerts for Colorado

Recent Locations: Elizabeth, NJ Denton, TX Denver, CO

1. Fire Weather Watch for: North and Northeast Elbert County Below 6000 Feet/North Lincoln County; Southeast Elbert County Below 6000 Feet/South Lincoln County

2. Fire Weather Watch for: San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache

3. Fire Weather Watch for: Yuma; Kit Carson County; Cheyenne; Wallace; Greeley; Wichita

4. Freeze Warning for: Animas River Basin; San Juan River Basin

5. Freeze Warning for: Four Corners/Upper Dolores River

6. Freeze Watch for: Animas River Basin; San Juan River Basin

7. Freeze Watch for: Four Corners/Upper Dolores River

8. Freeze Watch for: Lower Yampa River Basin; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Central Gunnison and Uncompahgre River Basin; Paradox Valley/Lower Dolores River; Eastern Uinta Basin; Arches/Grand Flat; Canyonlands/Natural Bridges

9. Red Flag Warning for: Southern El Paso County Including Fort Carson and Colorado Springs; Pueblo County Including Pueblo; Huerfano County Including Walsenburg; Western Las Animas County Including Trinidad and Thatcher; 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

10. Wind Advisory for: Central Yampa River Basin; Upper Yampa River Basin

11. Wind Advisory for: Four Corners/Upper Dolores River

12. Wind Advisory for: Lower Yampa River Basin; Grand Valley; Debeque to Silt Corridor; Central Colorado River Basin; Central Gunnison and Uncompahgre River Basin; Paradox Valley/Lower Dolores River; Eastern Uinta Basin; Arches/Grand Flat; Canyonlands/Natural Bridges

13. Winter Weather Advisory for: Elkhead and Park Mountains; Flat Tops

14. Winter Weather Advisory for: Grand and Battlement Mesas; Gore and Elk Mountains/Central Mountain Valleys; West Elk and Sawatch Mountains

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

16. Winter Weather Advisory for: Western Mosquito Range/East Lake County Above 11000 Ft; Eastern Sawatch Mountains above 11000 Ft; La Garita Mountains Above 10000 Ft; Eastern San Juan Mountains Above 10000 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).

National Weather Forecast--Current

The Current National Weather Forecast and National Weather Map are shown below.

National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

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