Wednesday, December 15, 2010

Update on 12/16 storm

GFS - Light snow starts at 7:00 AM tomorrow morning, transitions to sleet at 10:00 - 11:00 and then freezing rain at 11:30ish before turning to rain at about 2:00 PM.. .3 qpf rain equivalent before change over to rain.

NAM - Light snow starts at 7:00 AM tomorrow morning, transitions to sleet/zr around 10:30 AM to all rain at noon. rain equivalent precip about .15 - .2 inches. frozen precip less than .1

HPC - Prefers a compromise with the GFS and the ECMWF which is basically a slightly more NWD solution of the GFS.

Forecast:

Tomorrow morning: Light snow starting at around 7:00 changing to a mix of sleet and freezing rain by 10:00... changing to all freezing rain by 11:oo before changing to all rain by noon. Snow accumulation less than an inch possible along with some light ice accumulation of less then a tenth of an inch.

Winter Weather Advisory will probably be issued by the Raleigh NWS office.



12/18 - 12/19 storm... Nice isothermal layer setup in the GFS bufkit soundings.

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