Weather forecasts for astronomy

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Weather forecasts for astronomy

Postby cwardlaw » Fri Jun 24, 2016 6:58 pm

Can anyone suggest a good reliable forecasting site i can use in France please?

C Wardlaw
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Re: Weather forecasts for astronomy

Postby Gfamily2 » Sat Jun 25, 2016 11:31 am

Meteo France are the general forecasting service for France equivalent to our Met Office.

Other than that, you could try Weather Underground for your location.

More specifically for Astronomy, Clear Outside is one of the sites that specifically gives cloud cover for observations.

As for quality of forecasts, who knows?
Scopes: Meade 8" SCT, Skywatcher 127mm Mak, Raffle winner of SW ST80
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Re: Weather forecasts for astronomy

Postby Aratus » Sat Jun 25, 2016 1:23 pm

I use 'clear outside' quite a bit. It is quite useful for astronomy because it shows different levels of cloud, and indicates mist, and visability. These are absent from most forecasts which can give the impression of clear skies, only to be quite useless for observing.

I have found 'Clear Outside' often to be more accurate than others, but there are of course times when it is completely wrong. It is harder work, but if you can find live satellite data over a few hours it is possible to see what is coming up. More than once I've been clouded out, but have waited a while because the satellite shows a small clear area heading in my direction. Computer forecasts are not good enough to be that specific.
I use an 11" reflector (Celestron CPC 1100) and a 3" refractor, (Sky-Watcher ST80) mounted on an equatorial wedge, housed in a 2.2m Pulsar observatory. I use a ZWO ASI 120MM, ZWO ASI1600MC and Canon 1300D for imaging.
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Re: Weather forecasts for astronomy

Postby cwardlaw » Sat Jun 25, 2016 9:40 pm

Thanks for taking time to answer. I hope you have clear skies where ever you are.
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Re: Weather forecasts for astronomy

Postby dave.b » Wed Jul 27, 2016 5:26 pm

The one thing ClearOutside appears to be missing is detail of what the jet stream is doing overhead.
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