Persisitent East Coast Trough

Discussion in 'General Weather Discussion' started by Summerbob2004, Jul 18, 2018.

  1. Summerbob2004

    Summerbob2004 Member

    Jul 18, 2018
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    Ashburn, Virginia
    There has been a persistent, re-occurring weather pattern where a huge trough lodges itself over the eastern third of the country, and a huge dome of high pressure lodges itself over the western U.S. The result is extreme heat and summer-like conditions for the west, and cooler than normal, unsettled weather for the east, particularly the mid-Atlantic states. As an avid motorcyclist who loves to night-ride, it suffices to say that the summer of 2017 was a huge disappointment. Unfortunately, the latter part of the summer of 2018 looks to be no better. This pattern is not new, it is reminiscent of a similar pattern that re-occurred during the summers of 2000 - 2004. We broke out of it in 2005 and for the late 2000s and early 2010s we had more normal summer weather for our region.

    So my question is this: Does this pattern repeat every so many years, and what is the fundamental underlying cause of the pattern? Is it caused by warmer/cooler than normal water temperatures over the Atlantic/Pacific? Is there a tropical ocean temperature anomaly that causes this? (el nino, la nina)? Or is the cause of this weather pattern basically unknown?
    KoD and CheeselandSkies like this.
  2. CheeselandSkies

    Feb 7, 2017
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    Madison, WI
    All I know is I hope it buggers off by next spring. Can't take another (non) chase season like the last two.

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