Weather Alert in Montana
Winter Weather Advisory issued February 17 at 1:49PM MST until February 19 at 8:00AM MST by NWS Missoula MT
AREAS AFFECTED: West Glacier Region
DESCRIPTION: * WHAT...Snow and cold temperatures. There is a likelihood of ongoing minor winter weather impacts. Additional snow accumulations between 1 and 3 inches. * WHERE...Bad Rock Canyon, Glacier National Park, Marias Pass, Essex, Polebridge, and Highway 83 Bigfork to Swan Lake. * WHEN...Until 8 AM MST Thursday. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. MODERATE winter weather impacts, expect disruptions to normal activities.Use caution while driving. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes, especially over higher passes. * ADDITIONAL DETAILS...Northeast winds between 15 and 25 mph with gusts to 35 mph starting Tuesday night will generate bitterly cold wind chill temperatures as cold as 30 below zero. Any exposed skin could become frostbitten within 30 minutes in these conditions. Newborn livestock may be stressed. While northeast winds will lessen somewhat Wednesday night, wind chill temperatures near 20 below zero are possible.
INSTRUCTION: Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
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North America Water Vapor (Moisture)
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Weather Topic: What are Cirrostratus Clouds?
Home - Education - Cloud Types - Cirrostratus Clouds
Next Topic: Cirrus Clouds
Cirrostratus clouds are high, thin clouds that form above
20,000 feet and are made mostly of ice crystals. They sometimes look like giant
feathers, horse tails, or curls of hair in the sky.
These clouds are pushed by the jet stream and can move at high speeds reaching
100 mph.
What do they indicate?
They indicate that a precipitation is likely within 24 hours.
Next Topic: Cirrus Clouds
Weather Topic: What is Condensation?
Home - Education - Precipitation - Condensation
Next Topic: Contrails
Condensation is the process which creates clouds, and therefore
it is a crucial process in the water cycle.
Condensation is the change of matter from a state of gas into a state of liquid,
and it happens because water molecules release heat into the atmosphere and
become organized into a more closely packed structure, what we might see as
water droplets.
Water is always present in the air around us as a vapor, but it's too small for
us to see. When water undergoes the process of condensation it becomes organized
into visible water droplets. You've probably seen condensation happen before on the
surface of a cold drink!
Next Topic: Contrails
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