CONTEST STATUS - Updated: WED ... 13-DEC-17 @ 8:30 PM EST

Winter '17 / '18 - Snowfall Forecast Contests
19th Annual 'Regular Season'
Snow Storm #1
Synoptiscope in VCP32

17th Annual 'Season-total'
Deadline for entries has passed
Forecasters' summary here

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Winter '16 / '17 - Snowfall Forecast Contests
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18th Annual 'Regular Season'
FINAL results here
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16th Annual 'Season-total'
FINAL results here

Tuesday, December 16, 2008

Coupled Jets



Good looking signature ahead of Friday/s snow storm.

Transverse...ageostrophic circulations in the entrance region of the polar jet advect cold air into the storm from the NW. Transverse...ageostrophic circulations in the exit region of the sub-tropical jet advect moist air into the storm from the SE. Enhanced omega occurs at the intersection of these circulations.

GooFuS also throws in some additional forcing with strong...low-level...warm air advection.

Could be a memorable event.

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