Weather Alert in Montana
Winter Weather Advisory issued April 2 at 2:30PM MDT until April 3 at 6:00PM MDT by NWS Billings MT
AREAS AFFECTED: Treasure; Northern Rosebud; Northern Big Horn; Northeastern Yellowstone; Southwestern Yellowstone
DESCRIPTION: * WHAT...Snow expected. Total snow accumulations of 1 to 4 inches, greatest over the hills south of the Yellowstone River. Winds gusting as high as 35 mph. * WHERE...Northeastern Yellowstone, Northern Big Horn, Southwestern Yellowstone, Treasure, and Northern Rosebud. * WHEN...From 6 PM this evening to 6 PM MDT Friday. * IMPACTS...Travel could be difficult due to snow, localized blowing snow and poor visibility. This includes I-90 from Billings to Hardin and I-94 to Hysham and Forsyth. Cool, wet, and breezy conditions will be hazardous for young livestock. * ADDITIONAL DETAILS...The heaviest snow is expected tonight into Friday morning.
INSTRUCTION: Slow down and use caution while traveling. For the latest road conditions, call 5 1 1.
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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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