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Wind Data for South West UK

Yeovilton is a settlement to the south of Yeovil, in Somerset. We were using the below data for a site in Taunton. It is quite hard to get hold of local weather data for a site when carrying out assessment whether this be for odour or ammonia or dispersion of other substances. The below wind roses are generated by us, from data that we obtained in order to carry out modeling of odour at a site in Taunton.

2017 Wind Rose for Yeovilton

wind data for yeovilton 2017

The wind rose in affect a circular histogram, with "bins" for each wind direction subdivide 4 ways for each quarter of the compass. 

From viewing the wind rose to the left we can see that most winds are from the south west in this region. Most of the UK has south west prevailing winds.

If we were to observe a wind rose for Avonmouth (Bristol), we would see a similar trend.  We would also see a secondary trend for south easterly winds. Which in 2018 was very much blew for a much shorter period.

2018 Wind Rose for Yeovilton

wind data for yeovilton 20182018 data see a very typical wind rose for the southwest of England, matching long term averages well. The north easterly spike is also present unlike 2017.


Long Term Average Wind Rose for Avonmouth

wind rose for avonmouthncluded under open government license this wind rose for Avonmouth (from the Met Office) show a very tight southwesterly grouping. This is likely because in a coastal position winds remain less turbulent owing to blowing over large relatively smooth ocean surfaces.

Met Office Text "At Avonmouth, the relatively high frequency of NE winds (and lack of SE and NWwinds) reflects its situation on the Bristol Channel, aligned NE-SW. East or north east winds can also be strong if depressions pass along the English Channel. Spring time also tends to have a maximum of winds from the north east. Periods of very light or calm winds with no preferred direction are usually below 6% of the time in the islands and coastal districts. This increases to about 15% of the total time in inland areas to the north east and can be compared with a typical inland station in central England that would have light winds for around25% of the time. "

Long Term Average Wind Rose for Plymouth

wind rose for plymouthPlymouth being the the lee off the south west peninsular shows a different pattern although south west winds are still predominant.