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Upper Air

Upper Air . Cold in the center (-46 C). Warm (-31 C). Jet Stream. This is the NYC blizzard of Dec 26-27, 2010. Snowfall Dec 26-27, 2010. Summary. Surface Lows tend to be east of upper air troughs. Troughs are cold.

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Upper Air

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  1. Upper Air

  2. Cold in the center (-46 C) Warm (-31 C)

  3. Jet Stream

  4. This is the NYC blizzard of Dec 26-27, 2010

  5. Snowfall Dec 26-27, 2010

  6. Summary • Surface Lows tend to be east of upper air troughs. Troughs are cold. •  Cold surface Highs tend to be east of upper air ridges. Ridges are warm. • Jet streams help air to move upward which helps create precipitation.  Knowing where the surface Highs, Lows, and fronts are going to be means you can forecast using the Norwegian Cyclone Model.

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