Hello A long time ago I made statistics of the average cloud cover during the night. I had 30 years data from all hours from a station at 58N 17E. To my...
Hello Alister, I will try to describe the situation I had. I was working in the weather service and was returning 30 years of observations to a station. It was...
Hi, I would like to express my best new year wishes to all of you. Healt success and many many clear skies for 2003. Latest CMC news... The biggest news at CMC...
I just wanted to say thanks to Allan and Atilla for this excellent service. I've been a user for sometime and glad to see Colorado has the most clocks. I've...
... I presume you mean the CMC astronomy forecasts and the clear sky clocks. You're most welcome. ... Actually, California has the most clocks. But thats only...
I am curious to know where you live exactly... or which clocks you are using. When you say you can't have a good match, are you talking about seeing or cloud...
Hi Allan, Its seeing that's the problem for me. I'll e-mail my lat and long to you this weekend. I use the seeing forecast to determine whether to haul out...
... I agree with you Mike, the time step is too long for fast moving low clouds streamers from the great lakes. This is a limitation of the CSC in forecasting...
Hi Mike, I did the changes I promised you last week. I am now forecasting seeing conditions when total cloud cover is smaller than 9/10 instead of the current...
... Hi David, Thanks for your interest about the transparency forecast. I actually use the spread between the dew point and temperature from the surface up to ...
Hi, Has anybody tried using an archive of the old maps to compare potential locations for an observatory? I'd be interested in looking back through the maps...
I've been using the light pollution maps at http://www.inquinamentoluminoso.it/worldatlas/pages/fig1.htm For the probably of being clear, you might find...
... Steve, Does your 18" have fans in the back of the mirror to coll it down? My 22" scope has 4 fans blowing air on the back of the mirror. It does improve ...
... Hi Clif... The seeing forecast I developped is based on visual observations. I have the impression the CCD seeing and visual seeing corrolation isn't that ...
CMC implemented a new REGIONAl DM model today which is a version running on the new IBM super computer (replacing NEC SX6). This model has many importent...
Hi, Attilla and I are pleased to announce that we are now providing hourly forecast for the cloud field all across north america. This was the most requested...
Allan, Thank you very much for the hourly cloud forecast. I look forward to your future improvements. Hourly forecasts for cloud and transparency will be ...
Starting June 20th... hourly transparency forecast instead of 3 hours interval forecast are now available on my web site and Attilla CSC web site. I am working...
Allan: My thanks as well. I speak for multiple Astronomers. Your calculations combined with Atilla's site have proved invaluable. I look forward to the hourly...
Hi Attilla and all the astro-weather yahoo group. You will find two new files under "files" section... transparency 1 and transparency test. The transparency 1...
It is me again... I didn't ask help from Ontario and southern Quebec regions due to smoke from forest fires which reduce the transparency to 2/4 depiste ...
Hi As you all know, I have developped a new version of the transparency forecast which is now including smog. I was waiting for feedback or smog episode over...
... Attilla already added the forcast to the clock (way to go). Now I was expecting the +smog forecast to match or be lighter (less transparent) since I was ...
... <scattol@v...> wrote: Yeh. I think will confuse a lot of people. It's because the trans+smog forecast and the transparnecy forecast are likely to be very...
... I suspected that something like that might be happening. Indeed, as XV used to say, "Bummer" ... I think that in the end, we will just want the "+smog"...
There is a temporary problem with the domain cleardarksky.com But here is a temporary workaround to see the clock images. 1. Find the url you usually use to...
There is a temporary problem with the domain cleardarksky.com But here is a temporary workaround to see the clock images. 1. Find the url you usually use to...
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