Weather Alerts for Colorado
1. Winter Storm Warning for: Northern Sangre de Cristo Mountains above 11000 Ft; Southern Sangre De Cristo Mountains Above 11000 Ft; Wet Mountains above 10000 Ft; Pikes Peak above 11000 Ft
2. Winter Storm Watch for: Northern Sangre de Cristo Mountains Between 8500 And 11000 Ft; Southern Sangre De Cristo Mountains Between 7500 and 11000 Ft; Wet Mountains between 6300 and 10000Ft; Teller County/Rampart Range above 7500fT/Pike's Peak Between 7500 And 11000 Ft
3. Winter Storm 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
4. Winter Weather Advisory for: Eastern Sawatch Mountains above 11000 Ft; La Garita Mountains Above 10000 Ft; Eastern San Juan Mountains Above 10000 Ft
5. Winter Weather Advisory for: Northwestern San Juan Mountains; Southwest San Juan Mountains
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Weather Topic: What are Nimbostratus Clouds?
Home - Education - Cloud Types - Nimbostratus Clouds
Next Topic: Precipitation
A nimbostratus cloud is similar to a stratus cloud in its formless,
smooth appearance. However, a nimbostratus cloud is darker than a stratus cloud,
because it is thicker.
Unlike a stratus cloud, a nimbostratus cloud typically brings with it the threat
of moderate to heavy precipitation. In some cases, the precipitation may evaporate
before reaching the ground, a phenomenon known as virga.
Next Topic: Precipitation
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
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