I prefer the Windy app set at 100m altitude.
Iāve got one of these and use it in conjunction with UAV Forecast.
As @macspite says, itās ok at ground level which just gives an indication if itās ok to TO but unless youāre flying at that level rendered useless 10ft up
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ok thanks, 
so i think maybe i will pass on that them
Yeah I felt it was a necessity but in reality out of 30 flights, probably used it twice. But I mean itās only a tenner so not the worst thing to have in your pocket 
On a hill itās often the other way round - a 20mph wind on the ridge may be 15mph hundred foot up. As the wind gets compressed when it hits the slope.
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Me too, but hardly use it. As has been said itās only giving you the wind speed at ground level.
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I use an Android app, very rarely. Zephyrus, uses the phoneās mic to guesstimate wind speed.
Hand held anemom always used on aircraft carriers years ago for free take off aircraft as opposed to catapault launches.
Needed a windspeed over the deck minimum of 32 mph for free t/oā¦
Airport windsocks if blown out to a 45 degree angle usually shows 30ph wind (at the windsock). (Roughly).
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I use to teach sailing at Cowes where we had a f3 windsock - fully blown indicated an f3, 45 degrees - F2 and just dangling with some movement - f1
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I find if my cap blows off its too windy!
But seriously I use a Kestrel 1000 for ground speed measurements. Pretty accurate and sort of ties in with drone high wind warnings when close to limit and low level flight.
If its close to limit at ground level , i generally donāt fly.
I have one of those Amgaze ones, it lives in the drone rucksack. Only used it a couple of tome, bit itās been handy for such occasions. Probably of limited use in many places but up on an exposed hilltop or headland is useful!
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I used the very useful Wet Finger App
The free version allows one free lick at any location but for a very reasonable Ā£1.99 you can get multiple licks in any location
My wife has gone for a paid version, strange as she doesnāt even have a drone
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Iām thinking of getting one just to confirm my grumpy moans at the fāing forecast as in āfeels more than bloody 12knts to me, and itās ruddy freezingā.
When I remember Iāve got it installed, I also use the Weather Station app (Android) which shows details from personal weather stations. Donāt need to own a station to use it. Data includes wind & gust speeds and thereās likely to be one near you.
I use one of theseā¦
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