Friday, April 21, 2006
Lumijyväsiä - Granular snow - Snökorn
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In the evening some granular snow fell down to ground in Värriö. Those small, roundy granules come only from Stratus-clouds, also known as fogclouds. The friction between the granules and ground is rather small, since the granules roll very easily. Therefore, a layer of granular snow under heavy snow on steep slopes may trigger avalanches.
På eftermiddag någon snökorn duggade i Värriö. Snökorn, som faller bara från Stratus-moln, rullar lett i jord och därför tung snö över snökorn kan tillfoga snöskred.
(E-MK)
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Granular snow is actually very common in Finland (2nd common snow species), but very few people recognize it (maby because the granules are so tiny that it seems much like normal snow in the air).
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