444slides.04.011607

444slides.04.011607 - Schedule for the next couple of weeks...

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Schedule for the next couple of weeks Wed 10 Jan regular class Thu 11 Jan regular class Mon 15 Jan NO CLASS: MLK Jr. holiday Tue 16 Jan basic forecast process and briefing overview; Ben briefs Wed 17 Jan in-class lab exercise; Dr. P briefs Thu 18 Jan NO CLASS Mon 22 Jan Q&A on lab with Ben, finish lab in class; Dr. P out of town Tue 23 Jan Wed 24 Jan Thu 25 Jan in-class lab; student briefing & forecast game
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Very very very basic convective forecasting process The primary ingredients for storms are: moisture, instability, and lift This boils down to the requirements that: 1. parcels at some level in the environment must have CAPE 2. the parcels with CAPE must be able to get to their LFCs a. removal of CIN via low-level warming b. removal of CIN via mid-level cooling c. lifting of air parcels i. boundary layer eddies (only when CIN≈0) ii. synoptic QG ascent ( very slow, though ) iii. mesoscale updrafts along boundaries, etc.
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What is “a little” or “a lot” or “the right amount” of these parameters? • Again, the fundamental requirement is that CAPE > 0
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This note was uploaded on 08/01/2008 for the course MEA 444 taught by Professor Parker during the Spring '07 term at N.C. State.

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444slides.04.011607 - Schedule for the next couple of weeks...

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