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Tag Archives: omega block

An Omega Block for the U.K. (H. Michael Mogil, CCM, CBM, NWA-DS*)

The other day, Fred Mills, a colleague in the U.K., penned me a note concerning his weather observations.  First, he noted that promised snowstorms were missing the U.K. (by passing well to the north) and that the weather south of London was actually quite nice for winter.  Then, Mills commented

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Omega block expected across western North America… (H. Michael Mogil, CCM, CBM, DMS)

Computer models keep suggesting the development of an “omega block” across western Canada by late this week. Such a block can involve a splitting of the overall upper level wind flow by a closed high to the north and a closed low to its south (Fig. 1). Alternatively, the pattern

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H. Michael Mogil's Lifelong Learning Blog

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