Weather Alerts for Colorado
1. High Wind Warning for: Lower Yampa River Basin; Grand Valley; Central Gunnison and Uncompahgre River Basin; Paradox Valley/Lower Dolores River; Southeast Utah; Eastern Uinta Basin; Arches/Grand Flat; Canyonlands/Natural Bridges
2. High Wind Warning for: Roan and Tavaputs Plateaus; Uncompahgre Plateau/Dallas Divide; Tavaputs Plateau; La Sal and Abajo Mountains
3. High Wind Watch 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; Wet Mountains between 6300 and 10000Ft; Wet Mountains above 10000 Ft; Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Ft; Trinidad Vicinity/Western Las Animas County Below 7500 Ft
4. High Wind Watch for: 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; Larimer and Boulder Counties Between 6000 and 9000 Feet; Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet
5. High Wind Watch for: Teller County/Rampart Range above 7500fT/Pike's Peak Between 7500 And 11000 Ft; Pikes Peak above 11000 Ft
6. Red Flag Warning for: San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache
7. Red Flag Warning for: San Luis Valley Including Alamosa/Del Norte/Fort Garland/Saguache
8. Red Flag Warning for: Southern Front Range Including Sangre De Cristo Mountains/Wet Mountains/La Veta Pass; Otero County Including La Junta and Western Comanche Grasslands; Eastern Las Animas County Including Pinon Canyon; Baca County Including Springfield and Eastern Comanche Grasslands
9. Wind Advisory for: Central Yampa River Basin; Debeque to Silt Corridor; Central Colorado River Basin; Four Corners/Upper Dolores River; Animas River Basin
10. Winter Weather Advisory for: Elkhead and Park Mountains; Flat Tops
11. Winter Weather Advisory for: West Jackson and West Grand Counties Above 9000 Feet
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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
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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 is Rain?
Home - Education - Precipitation - Rain
Next Topic: Shelf Clouds
Precipitation in the form of water droplets is called rain.
Rain generally has a tendency to fall with less intensity over a greater period
of time, and when rainfall is more severe it is usually less sustained.
Rain is the most common form of precipitation and happens with greater frequency
depending on the season and regional influences. Cities have been shown to have
an observable effect on rainfall, due to an effect called the urban heat island.
Compared to upwind, monthly rainfall between twenty and forty miles downwind of
cities is 30% greater.
Next Topic: Shelf Clouds
Weather Topic: What is Sleet?
Home - Education - Precipitation - Sleet
Next Topic: Snow
Sleet is a form of precipitation in which small ice pellets are the primary
components. These ice pellets are smaller and more translucent than hailstones,
and harder than graupel. Sleet is caused by specific atmospheric conditions and
therefore typically doesn't last for extended periods of time.
The condition which leads to sleet formation requires a warmer body of air to be
wedged in between two sub-freezing bodies of air. When snow falls through a warmer
layer of air it melts, and as it falls through the next sub-freezing body of air
it freezes again, forming ice pellets known as sleet. In some cases, water
droplets don't have time to freeze before reaching the surface and the result is
freezing rain.
Next Topic: Snow
