7-8 Feb 2021 – estimated snowfall amounts

Estimated precipitation from weather radar

If you use the rough rule of thumb that for each millimeter of rain that falls you get an equivalent one centimetre of snow this chart of estimated precipitation totals doubles up very nicely as a snow depth chart. The sixteen or so centimetres of snow at Manston and Wattisham both fit quite nicely into the paler of the two greens in the scale. Don’t forget that the UKMO still haven’t fixed the Stornoway radar yet how long does it take to swap a 13 amp fuse? As an ex-Binbrook observer in the zoomed up chart you can see the higher snowfall totals that run down the Lincolnshire Wolds. It was a close shave with the tongue of higher precipitation totals in the North Sea that extended NE-SW along the Suffolk coast. If they had edged a little further west the snowfall totals at Wattisham could well have been 30 centimetres or more. Thanks to the arrival of the colder air that amber warning for heavy snow much more precise than the one for northeast Scotland which was much more height dependent.

Estimated precipitation from weather radar
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