UK Snow Forecast
Guidance: Aberdeen GEFS diagram
(courtesy of www.meteociel.fr)
Probability of snow: Met Office Criteria
Th(1000-500) < 5258 gpm for 50% snow probability
Th(1000-500) < 5180 gpm for 90% snow probability
Th(1000-850) < 1293 gpm for 50% snow probability
Th(1000-850) < 1281 gpm for 90% snow probability
SLP, 850 hPa, 500 hPa Temperatures & WBFL (GFS)
Ideally T850 < -7 C
Ideally T500 < -27 C
WBFL < 300 m: Snow
300 m < WBFL < 600m : Rain turning to snow
600 m < WBFL < 1000 m: Mostly rain
Soundings
Low Level Triggers & Upper Forcings
Rain/Snow Fall
Snow Accumulation