Weather Alert in Idaho
Avalanche Warning issued February 24 at 11:47AM MST by NWS Boise ID
AREAS AFFECTED: Adams, ID; Idaho, ID; Valley, ID
DESCRIPTION: The following message is transmitted at the request of the Payette National Forest Avalanche Center. ...The Payette National Forest Avalanche Center in McCall Idaho has issued a BACKCOUNTRY AVALANCHE WARNING... * WHAT...The avalanche danger for the West Central Mountains of Idaho will rise to HIGH on Tuesday afternoon and into Wednesday morning. Rain on snow and heavy, wet snow will create very dangerous avalanche conditions. * WHERE...The West Central Mountains of Idaho, including mountains near the communities of McCall, New Meadows, Donnelly, Cascade, and Yellow Pine. * WHEN...In effect from Tuesday 11:25 MST to Wednesday 11:45 MST. * IMPACTS...A warm, wet storm is bringing wet, heavy snowfall and rising rain levels up to 7000'. Natural and human-triggered avalanches large enough to bury people are very likely to occur. Even smaller steep slopes, like roadcuts, may also avalanche, depositing a surprising amount of debris on the road below.
INSTRUCTION: *Travel on or underneath slopes steeper than 30 degrees is not recommended. Avalanches may run onto groomed snowmobile trails. Pay attention to the terrain above you as conditions change and as more snow and rain fall by the afternoon. Avalanches may impact roadways along the South Fork of the Salmon, Warm Lake Summit, and East Fork South Fork. Consult WWW.PAYETTEAVALANCHE.ORG or WWW.AVALANCHE.ORG for more detailed information. Similar avalanche danger may exist at locations outside the coverage area of this or any avalanche center. LAT...LON 4491 11627 4497 11622 4488 11606 4440 11601 4429 11609 4431 11620 4439 11626 4461 11628 4468 11635 4479 11634 4485 11626
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Weather Topic: What is Fog?
Home - Education - Cloud Types - Fog
Next Topic: Fractus Clouds
Fog is technically a type of stratus cloud, which lies along the
ground and obscures visibility.
It is usually created when humidity in the air condenses into tiny water droplets.
Because of this, some places are more prone to foggy weather, such as regions
close to a body of water.
Fog is similar to mist; both are the appearance of water droplets suspended in
the air, but fog is the term applied to the condition when visibility is less than 1 km.
Next Topic: Fractus Clouds
Weather Topic: What is Freezing Rain?
Home - Education - Precipitation - Freezing Rain
Next Topic: Graupel
Freezing rain is a condition where precipitation which has fallen in the form of
water droplets reaches temperatures which are below freezing and freezes upon
coming into contact
with surface objects. The result of this precipitation is a glaze of ice which
can be damaging to plants and man-made structures. A severe onset of freezing
rain which results in a very thick glaze of ice is known as an ice storm.
Next Topic: Graupel
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