gulf of alaska noreaster
Post on 21-Dec-2015
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Gulf of Alaska
Noreaster
If lows and highs aloft and at the surface are above one another, the systems will weaken !
Divergencealoft promotesthe surfacelow
Convergencealoft promotesthe surfacehigh
Surfacedivergence
Surfaceconvergence
Longwaves
MIGRATE THROUGHTHE LONGWAVE TROUGHSChapter 10, page 312Aguado & Burt
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Differential temperatureadvection intensifies thewave
Condensation mayrelease even moreheat energy for the storm
Less upper level divergence
No temp advection
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