It is going to be a strange day today, weather wise, which due to the high air pressure, low wind speed and increasing air temperature (due to a wind shift to the SSW) will bring us an increasing risk of fog and mist as the morning (and afternoon passes).
The wind speed and air temperature will eventually be strong and warm enough to burn away the mist. We do, however, have a 15% risk of some drizzle during the day.
As the day passes we will also see the cloud bed thicken. First thing this morning, with the air temperature around 1c, we will see high level cloud but by mid afternoon the lower layers will also be cloud laden.
The air temperature will continue to rise through the day and even over night a little. At o6:30 the air temperature is around 0.5 to 1c, by lunchtime it will be around 9-10c and by midnight a very mild 11-12c!
The wind will be deriving from the cool E-ENE arc and will be very light this morning. As the day passes we will see a clockwise shift towards a SE-SSW arc. The average wind speed by this afternoon will be around 5mph.
By late evening a number of closely spaced high air pressure systems will move across the UK from the W and this will increase the wind speed to around 8mph. The increased speed and heightened air temperature will clear away the mist and fog.
Summary : A cold start. Becoming misty but mild as the day passes.
Observations made on 6/12/2016 at 06:34 hours Hammerwich, Staffordshire.
Temperature : 0.7c; Air pressure : 1025.1mb; Relative humidity 95%; Wind : Calm; Rain this month : 0mm; Rain this year : 697.3mm
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