It is another day with subtle changes taking place that will, eventually, lead to more inclement weather arriving either later in the day or week.
The morning sees a cool but not excessively cold start to the day. At 06:30 hours approximately the air temperature was 2.9c. This is slightly warmer that we encountered over the last two years. This day last year some snow was falling in our area.
Today will se a slightly misty start giving way to a mainly cloudy day but we will see the occasional brighter spell break through.
As the day passes a band of low air pressure (1004mb) will arrive from the N and this will bring widespread rain to our area late in the day and overnight. Coupled with the rain will be an increase in wind speed as the air pressure changes. The risk of rain during daylight hours is 14% increasing to 85% as the evening passes.
Today’s wind speed will be around 2mph this morning increasing to around 10-12mph later in the day. The wind will be deriving from the SSW.
Looking ahead there is some suggestions being made that we may see some snow late tomorrow night into Wednesday morning. At the moment not all models support this belief and the doubt lies around the air temperature and “thickness” at approximately 1.5KM above the earth. At the moment all of conditions are not being met to deliver snow although they are very close and the position can easily switch. We can examine this situation again tomorrow when the position will be a little clearer.
Summary : Dry during daylight hours but rain moving in later.
Observations made 06:31 hours on the 21 January 2019 in Hammerwich, Staffordshire.
Temperature : 2.9c; Air pressure : 1023.4mb steady; Relative humidity 89%; Wind : calm; Rain this month : 6mm; Rain this year : 6mm
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