It was a cold night and a cool start to the day. A thick grass frost was covering our area and the air temperature was around -3c at the time of my observations (approx. 08:30 hours).
The day will only warm up a little despite the light cloud and the southerly breeze. The air pressure will also only reduce by a few mb and, therefore, there will be very little wind. This combination means that we are very likely to see mist and fog forming later today as the earth is cool and warm air from the warmer south will pass over it. The subsequent condesing of the warm air will form water droplets in the form of fog or mist.
Our top temperature will only be around 4c and overnight to will be cool but not as cool as last night. The minimum temperature will be around freezing point.
The wind will be generally calm this morning but will pick up to a gentle breeze as the day reached mid afternoon. The average wind speed will be around 3mph. The wind will be deriving from the warm SSE.
Summary : A cool day with a high risk of mist or fog later.
Observations made on 28/12/2016 at 08:40 hours Hammerwich, Staffordshire.
Temperature : -2.8c; Air pressure : 1042.3mb; Relative humidity 91%; Wind Calm; Rain this month : 17mm; Rain this year : 714.6mm
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