Weather Alert in Montana
Winter Weather Advisory issued March 31 at 8:34PM MDT until April 1 at 9:00AM MDT by NWS Billings MT
AREAS AFFECTED: Northern Big Horn; Southern Rosebud; Southern Big Horn; Southeastern Carbon; Bighorn Canyon; Southwestern Yellowstone
DESCRIPTION: * WHAT...Mixed precipitation expected, including pockets of freezing rain. Total snow accumulations less than 1 inch. Total ice accumulations of a few hundredths possible. The greatest ice accumulations are forecast along Highway 310 through Belfry as well as along I-90 south and east of Billings. * WHERE...Portions of south central and southeast Montana. * WHEN...Until 9 AM MDT Wednesday. * IMPACTS...Travel will be impacted by poor visibility and slick or slushy conditions on roads. This includes I-90 from Crow Agency to Sheridan, and US-212 over Lame Deer Divide. * ADDITIONAL DETAILS...Potentially heavier ice accumulations are most likely along I-90 southeast of Billings, especially from Hardin to the Wyoming border.
INSTRUCTION: YtSlow down and use caution while traveling. For the latest road conditions, call 5 1 1.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - Fractus Clouds
Next Topic: Freezing Rain
A fractus cloud (scud) is a fragmented, tattered cloud which has
likely been sheared off of another cloud. They are accessory clouds, meaning they
develop from parent clouds, and are named in a way which describes the original
cloud which contained them.
Fractus clouds which have originated from cumulus clouds are referred to as
cumulus fractus, while fractus clouds which have originated from stratus clouds
are referred to as stratus fractus. Under certain conditions a fractus cloud might
merge with another cloud, or develop into a cumulus cloud, but usually a
fractus cloud seen by itself will dissipate rapidly.
They are often observed on the leading and trailing edges of storm clouds,
and are a display of wind activity.
Next Topic: Freezing Rain
Weather Topic: What is Graupel?
Home - Education - Precipitation - Graupel
Next Topic: Hail
Graupel is a form of precipitation that is created by atmospheric conditions
which cause supercooled water droplets to contact snow crystals and freeze to
their surface.
Sometimes known as soft hail or snow pellets, graupel is delicate and easily
destroyed by touch. Whereas hail usually falls during severe weather, graupel
doesn't require such conditions to form, and can form in mild precipitation
similar to situations which produce snowfall.
Next Topic: Hail
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