Astronomy Picture of the Day

Shelf Cloud Over Saskatchewan

Bild Note: 4.3 (3 Votes)

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#105364 by @ 23.01.2008 00:00 - nach oben -
Shelf Cloud Over Saskatchewan

Perhaps it's time to go inside.

Such thoughts might occur to people witnessing the approach of an impressive
shelf cloud.

Shelf clouds are typically seen leading
although they may
any well defined front of relatively cold air.

Shelf clouds
differ from
roll clouds
because shelf clouds are attached to a larger cloud system lurking above.

Similarly, shelf clouds
differ from wall clouds because wall clouds typically trail
storm systems.

The above pictured
shelf cloud
was photographed toward the southwest during a trip crossing the prairies of
Canada on the
Trans-Canada Highway
in 2001 August.

A rising Sun illuminated the
impressive cloud from the east as it advanced from the west.

Credit & Copyright
#105368 by @ 23.01.2008 13:03 - nach oben -
schöns bild, aber mischtigi uflösig
#105381 by @ 23.01.2008 16:43 - nach oben -
chunnt no öppe vor...