Weather Alert in Idaho
Flood Watch issued August 26 at 10:36AM MDT until August 28 at 12:00AM MDT by NWS Missoula MT
AREAS AFFECTED: Idaho, ID; Lemhi, ID
DESCRIPTION: * WHAT...Flash flooding and debris flows caused by excessive rainfall. * WHERE...Portions of central and east central Idaho, including the following counties, in central Idaho, Idaho. In east central Idaho, Lemhi. This includes the following Specific Areas... Highway 95 from Riggins to Whitebird, Moose Fire Burn Area, Williams Creek Fire Burn Area and Magruder Fire Burn Area. * WHEN...From Wednesday afternoon through Wednesday evening. * IMPACTS...Excessive runoff may result in rock and mudslides along steep terrain, recent burn scars, and flood-prone locations. * ADDITIONAL DETAILS... - https://www.weather.gov/mso/hydrology
INSTRUCTION: N/A
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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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