Weather Alerts for Colorado
1. Freeze Warning for: Central Gunnison and Uncompahgre River Basin
2. Freeze Warning for: Elbert/Central and East Douglas Counties Above 6000 Feet
3. Freeze Warning for: Grand Valley; Debeque to Silt Corridor; Arches/Grand Flat
4. Freeze Warning for: Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Ft
5. Frost Advisory for: Colorado Springs Vicinity/Southern El Paso County/Rampart Range Below 7400 Ft
6. Frost Advisory 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; 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; Washington County
7. Red Flag Warning for: Fremont County Including Canon City/Howard/Texas Creek; Baca County Including Springfield and Eastern Comanche Grasslands
8. Red Flag Warning for: Otero County Including La Junta and Western Comanche Grasslands; Eastern Las Animas County Including Pinon Canyon
9. Red Flag Warning for: Otero County Including La Junta and Western Comanche Grasslands; Eastern Las Animas County Including Pinon Canyon
10. Red Flag Warning for: San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache
11. Red Flag Warning for: San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache
12. Red Flag Warning for: Southern Front Range Including Sangre De Cristo Mountains/Wet Mountains/La Veta Pass
13. Wind Advisory for: Central Colorado River Basin
14. Wind Advisory for: Central Gunnison and Uncompahgre River Basin
15. Wind Advisory for: Four Corners/Upper Dolores River; Animas River Basin; San Juan River Basin
16. Wind Advisory for: Grand Valley; Debeque to Silt Corridor; Arches/Grand Flat
17. Wind Advisory for: Upper Gunnison River Valley
18. Winter Weather Advisory for: Elkhead and Park Mountains; Flat Tops
19. Winter Weather Advisory for: Gore and Elk Mountains/Central Mountain Valleys
20. 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
21. Winter Weather Advisory for: Western Mosquito Range/East Lake County Above 11000 Ft; Leadville Vicinity/Lake County Below 11000 Ft; Eastern Sawatch Mountains above 11000 Ft
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Current U.S. National Radar--Current
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National Weather Forecast--Current
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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 Shelf Clouds?
Home - Education - Cloud Types - Shelf Clouds
Next Topic: Sleet
A shelf cloud is similar to a wall cloud, but forms at the front
of a storm cloud, instead of at the rear, where wall clouds form.
A shelf cloud is caused by a series of events set into motion by the advancing
storm; first, cool air settles along the ground where precipitation has just fallen.
As the cool air is brought in, the warmer air is displaced, and rises above it,
because it is less dense. When the warmer air reaches the bottom of the storm cloud,
it begins to cool again, and the resulting condensation is a visible shelf cloud.
Next Topic: Sleet
Weather Topic: What is Snow?
Home - Education - Precipitation - Snow
Next Topic: Stratocumulus Clouds
Snow is precipitation taking the form of ice crystals. Each ice crystal, or snowflake,
has unique characteristics, but all of them grow in a hexagonal structure.
Snowfall can last for sustained periods of time and result in significant buildup
of snow on the ground.
On the earth's surface, snow starts out light and powdery, but as it begins to melt
it tends to become more granular, producing small bits of ice which have the consistency of
sand. After several cycles of melting and freezing, snow can become very dense
and ice-like, commonly known as snow pack.
Next Topic: Stratocumulus Clouds