Snow Forecast



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Precip snow level

GFS Dew Point Temperature       Td = +1°C or above almost never wintry(snow) precipitation.                  source:
Thin grey  lines: 2 metre  dew-point. (units = degC / interval = varying 2 to 5 degC)
Colour-fill/shading: 2 m dew-point (actual, maximum in 6hr, minimum in 6hr : see scale at right of chart. (purple/blue = low values, orange/red = high values).
[NB: the dew point is a measure of the absolute humidity of the air - i.e. how much water vapour is carried at the particular level given - in this case 2m above ground level.]