The sheltering effect of Dartmoor

The sheltering effect of Dartmoor seems to have had a long reach if you look at the estimated 24 hour rainfall totals for yesterday from the weather radar network. Conversely the funneling effect of the Bristol Channel, and the resultant large rainfall totals across south Wales, with a finger of higher totals extending northeast towards the Wash was also evident (fig 1).

Figure 1

You would have expected the upper winds to be from around 220° which they were from the 2317 UTC ascent from Camborne (fig 2).

Figure 2

Author: xmetman

An ex-metman passionate about all things to do with weather, climate and clouds

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