Gulf of Alaska Noreaster.

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Transcript of Gulf of Alaska Noreaster.

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Gulf of Alaska

Noreaster

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If lows and highs aloft and at the surface are above one another, the systems will weaken !

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Divergencealoft promotesthe surfacelow

Convergencealoft promotesthe surfacehigh

Surfacedivergence

Surfaceconvergence

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Longwaves

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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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