Weather Alert in Montana
Winter Storm Warning issued February 9 at 1:04AM MST until February 9 at 5:00PM MST by NWS Billings MT
AREAS AFFECTED: Absaroka/Beartooth Mountains; Crazy Mountains
DESCRIPTION: * WHAT...Heavy snow expected with areas of blowing snow. Snow accumulations between 10 and 20 inches. Winds gusting 40 to 50 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Travel could be very difficult to impossible between Mammoth and Cooke City. Widespread blowing snow could produce near whiteout conditions at times.
INSTRUCTION: Be prepared for hazardous conditions with limited visibility and heavy snowfall.
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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
Weather Topic: What are Stratocumulus Clouds?
Home - Education - Cloud Types - Stratocumulus Clouds
Next Topic: Stratus Clouds
Stratocumulus clouds are similar to altocumulus clouds in their
fluffy appearance, but have a slightly darker shade due to their additional mass.
A good way to distinguish the two cloud types is to hold your hand out and measure
the size of an individual cloud; if it is the size of your thumb it is generally
an altocumulus cloud, if it is the size of your hand it is generally a
stratocumulus cloud.
It is uncommon for stratocumulus clouds to produce precipitation, but if they do
it is usually a light rain or snow.
Next Topic: Stratus Clouds
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