The big thaw.

After a week of ice and snow today sees the beginning of some relatively warmer weather.  The jet stream is now bringing some warm air from the SW and the air pressure systems are preventing cold air coming from the NE and E.

Yesterday and early this morning saw the first drops of rain but the significant factor today is the temperature rise.  This morning we are still hovering around 1.5c but through the day and by tomorrow morning we will the air temperature rise to around 6c.

Th extra warmth will begin to melt the lying snow but the process will also be helped by rain that will be with us later this evening and overnight.  We should not expect to see much rain before sunset though.  During the day the cloud cover will thin enough at times to allow the odd brighter spell.

The wind will be predominantly from the SW and will have an average speed this morning of around 5mph.  As the day passes and the cloud thickens the average wind speed will increase to around 8-10mph.

Summary

Thaw begins.  Dry start with rain after dark.

Observations made at 07:42 hours Hammerwich, Staffordshire.

Air pressure : 1006.2mb, Temperature : 1.6c, Wind : 2mph SW, Relative humidity: 95%, Rain since 00:01 hours : 0.4mm, Rain this month : 12.6mm

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