bluewave Posted September 10, 2013 Share Posted September 10, 2013 ... Link to comment Share on other sites More sharing options...
Weathergun Posted September 10, 2013 Share Posted September 10, 2013 The -NAO dropping on long range forecasts is result of the strong pacific jet, lifting north into Davis Strait. It's not a blocking pattern. The +PNA will also loose support from the MJO Which has now gone into COD. I think we'll less of these temperature swings for the second half of the month. Link to comment Share on other sites More sharing options...
forkyfork Posted September 11, 2013 Share Posted September 11, 2013 the euro continues this idea with several cold shots followed by a strong rebound in temps after the 18th http://www.ecmwf.int/products/forecasts/d/charts/medium/eps/ensm/essential!Geopotential%20at%20500hPa!North%20America!216!pop!od!enfo!plot_ensm_essential!2013091012!!/ Link to comment Share on other sites More sharing options...
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