Weather Alert in Colorado
Winter Storm Warning issued February 17 at 1:15AM MST until February 18 at 11:00PM MST by NWS Pueblo CO
AREAS AFFECTED: Eastern Sawatch Mountains above 11000 Ft; Eastern San Juan Mountains Above 10000 Ft
DESCRIPTION: * WHAT...Heavy wind driven snow expected. Total snow accumulations between 8 and 16 inches. Up to 24 inches possible across portions of the Eastern San Juan Mountains. Winds gusting as high as 70 mph causing blowing and drifting snow. * WHERE...Eastern Sawatch Mountains Above 11000 Feet and Eastern San Juan Mountains Above 10000 Feet. * WHEN...Until 11 PM MST Wednesday. * IMPACTS...Travel could be very difficult to impossible. Widespread blowing snow could significantly reduce visibility. Very strong winds could cause power outages and tree damage. * ADDITIONAL DETAILS...The heaviest snow will fall late tonight through Tuesday morning with another round of heavy snow on Wednesday. Strong winds and blowing snow will continue throughout the period.
INSTRUCTION: If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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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
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