Winter Weather Wall

Winter Weather Wall

Welcome to the Winter Weather Wall, soon to become Mission Control for all winter weather related things. This page is a work in progress, so pardon our dust.
11/12/11: Added GFS Plots for 0z/12z and 6z/18z for hours 66,72,78.

Probabilities For Today
Probability of 4≤ inches of snow
Probability of 8≤ inches of snow
Probability of 12≤ inches of snow
Probability of .25≤ inches of ice

Probabilities for Tomorrow
Probability of 4≤ inches of snow
Probability of 8≤ inches of snow
Probability of 12≤ inches of snow
Probability of .25≤ inches of ice

Probabilities For the Day after Tomorrow
Probability of 4≤ inches of snow
Probability of 8≤ inches of snow
Probability of 12≤ inches of snow
Probability of .25≤ inches of ice
HPC-Related Forecasts
HPC SREF-Derived Impact Guidance (Intensity, Visibility, Duration Forecasts)
HPC Heavy Snow Discussion

Local Snowfall Accumulation Forecasts
DGEX 6 hour snow Accumulation Forecast (Starts as Hour 84)
DGEX Hours 84-192 Total Snow Accumulation Forecast
NAM 0z/12z Snowfall Forecasts (to 84 hours)
NAM 6z/18z Snowfall Forecasts
GFS 0z/12z Snowfall Forecasts (to 120 hours)



3-Hour National Snowfall Accumulation Forecasts (ETA/NAM 0z/12z) (NOT Total Accumulation Plots)
ETA Hour 3 Snowfall Accum.
ETA Hour 6 Snowfall Accum.
ETA Hour 9 Snowfall Accum.
ETA Hour 12 Snowfall Accum.
ETA Hour 24 Snowfall Accum.
ETA Hour 36 Snowfall Accum.
ETA Hour 48 Snowfall Accum.
ETA Hour 60 Snowfall Accum.
ETA Hour 72 Snowfall Accum.
ETA Hour 84 Snowfall Accum.

3-Hour Snowfall Accumulation Forecasts (NAM/ETA 6z/18z) (Not total accumulation plots)
ETA Hour 3 Snowfall Accum.
ETA Hour 6 Snowfall Accum.
ETA Hour 9 Snowfall Accum.
ETA Hour 12 Snowfall Accum.
ETA Hour 24 Snowfall Accum.
ETA Hour 36 Snowfall Accum.
ETA Hour 48 Snowfall Accum.
ETA Hour 60 Snowfall Accum.
ETA Hour 72 Snowfall Accum.
ETA Hour 84 Snowfall Accum.


6-Hour Snowfall Accumulation Forecasts (GFS 0z/12z)
GFS Hour 6 Snowfall Accum.
GFS Hour 12 Snowfall Accum.
GFS Hour 18 Snowfall Accum.
GFS Hour 24 Snowfall Accum.
GFS Hour 30 Snowfall Accum.
GFS Hour 36 Snowfall Accum.
GFS Hour 42 Snowfall Accum.
GFS Hour 48 Snowfall Accum.
GFS Hour 54 Snowfall Accum.
GFS Hour 60 Snowfall Accum.
GFS Hour 66 Snowfall Accum.
GFS Hour 72 Snowfall Accum.
GFS Hour 78 Snowfall Accum.

6-Hour Snowfall Accumulation Forecasts (GFS 6z/18z)
GFS Hour 6 Snowfall Accum.
GFS Hour 12 Snowfall Accum.
GFS Hour 18 Snowfall Accum.
GFS Hour 24 Snowfall Accum.
GFS Hour 30 Snowfall Accum.
GFS Hour 36 Snowfall Accum.
GFS Hour 42 Snowfall Accum.
GFS Hour 48 Snowfall Accum.
GFS Hour 54 Snowfall Accum.
GFS Hour 60 Snowfall Accum.
GFS Hour 66 Snowfall Accum.
GFS Hour 72 Snowfall Accum.
GFS Hour 78 Snowfall Accum.

International Snowfall Forecasts

GFS Europe Snowfall Forecast

Note: DGEX model can be considered ‘unreliable’ in some long-range forecasts.

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