Does any one measure wind speed before they fly at a location? If so what device do you use?..ok I know the trees move, the clouds travel across the sky etc 
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Dave,
I think a few people use something like this, but not recommending it, I don’t have one.
Cheers
https://www.amazon.co.uk/Anemometer-Measurement-Thermometer-Helicopter-Windsurfing/dp/B01LZXM0LP/ref=sr_1_1_sspa?ie=UTF8&qid=1537812670&sr=8-1-spons&keywords=anemometer&psc=1
I have one as @mickydd has posted, its good and very accurate, for ground speed only of course.
As we all know, what goes on several meters above is another matter.
B
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Thanks both of you for your rapid responses.
Any more suggestions?
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ditto, as above.
I have an anemometer like the one above, but , only good for ground speed.
UAV Forecast give height’s and speed
Sod the beer !, go storm chasing !!
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Now that looks a great way to get on the leader board,150 MPH mavic 2,anyone? 
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I was out in something on Saturday. The message cam up ‘rotor overload’ so I waited a while and then returned to home 
I have the Hover app which has a wind speed read out, but to be honest I tend to think your own judgement is the best guide here. If you’re not comfortable flying in that wind, don’t.
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And lots of toilet paper for when it hits you 
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This helps me with wind info.
Just replaced the aerial and moved it all to a different chimney, and added a solar panel for the wind unit (even though the two batteries had lasted 3 years!).
Being just 500m from the Southampton Airport’s weather station, the airport METARs are really useful and accurate actuals (I really don’t trust forecasts! They can be totally inaccurate.).
So I can open just one eye in the morning and see my weather station display. 
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Or use the tv aerial and check the morning news which updates the weather every half hour 
Only joking I don’t have a chimney 
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