Skip to search.
Make Y! My Homepage
Visit Yahoo! News for the latest.
Close this window
The Yahoo! Groups Product Blog
Check it out!
Founded: Aug 23, 2002
Already a member?
Sign in to Yahoo!
Yahoo! Groups Tips
Did you know...
Real people. Real stories.
See how Yahoo! Groups impacts members worldwide.
clear sky clock summaries
For selected clear sky clocks, I've added a page that summarsizes the distribution of all of the past forecasts (for which I have records). (Some people have...
Jul 8, 2004
Power failure means clearer skies
The powerfailure of last summer gave an accidental experiement where it was observed that without all the power generation, air pollution goes down quite a...
Jun 1, 2004
clear sky clocks for Europe
I'm often asked to create CSCs for europe. My answer is always 1. CMC dosent forecast astronomy-weather for europe and 2. I dont know of another cloud forecast...
May 26, 2004
any news about CMC forecasts or CSC rendition?
Allan and Attilla, I'm curious if either of you have things in the works that will show up in the CMC forecasts or the Clear Sky Clocks. I think your work has...
May 8, 2004
Subject: Re: any news about CMC forecasts or CSC rendition?
Hi Over here in Europe we are very jealous of the CSC. We have one or two relatively poorly implemented astro forecasts of very questionable accuracy. Is...
May 7, 2004
What happened to the Clear Sky Clocks?!?!
The Clear Sky Clock website doesn't seem to be available anymore. Is it a technical or financial problem? If it is the latter, I promise to change my selfish,...
Mar 21, 2004
Webpage about weather and seeing in Crete
I have made (or rather updated) a page about the "astronomical weather" of Crete, Greece: http://home.
Sky.html It contains my attempt at...
Feb 25, 2004
how to estimate wind shear?
Hi all, I have a set of seeing observations that I would like to correlate to meteorological conditions. I used to live close to an airport where a weather...
Jan 7, 2004
Re: missing forecasts
... Good morning Attilla Well.... I checked and all images were produced last night. I have just transfered them to the web site and I saw all transfer...
Jan 7, 2004
Stolen 30" Starmaster Dob - Albuquerque, NM
Slightly off topic but thought I would spread the news of a fellow club member's loss. Please see the link below for details. ...
Nov 15, 2003
Clear Sky Clock Problems 2003-10-24
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...
Oct 24, 2003
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...
Jul 15, 2003
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 ...
Jun 24, 2003
New transparency forecast with smog.
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...
Jun 24, 2003
Hourly transparency forecast.
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...
Jun 23, 2003
Hourly cloud forecast.
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...
May 28, 2003
Stephen C. Koehler
Problems with astro-weather charts...
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...
May 22, 2003
Date military singles in your area.
Excellent Dating Site Exclusively for Military singles And Their Admirers. Http://www.military
May 21, 2003
Re: Astronomical Seeing Prediction
... 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 ...
Apr 30, 2003
Re: another question on seeing reports
... 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 ...
Apr 28, 2003
Using the ClearDarkSky maps to pick a home
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...
Apr 13, 2003
... 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 ...
Apr 6, 2003
Re: Clear Sky Clock
... 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...
Mar 17, 2003
Re: Clear Sky Clock (fwd)
Date: Fri, 14 Mar 2003 12:30:08 +0000 (GMT) From: Allan Rahill <afsfara@...> To: Mike Simonsen <mikesimonsen@...> Cc: Astro-Weather-
Mar 14, 2003
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...
Jan 10, 2003
Typical weather forecast accuracy?
... Oops. I meant "Mr. Gary". That reminds me. As I mentioned. I've been quoting to people your previous accuracy summary of 83% accuracy in the first 15...
Jan 1, 2003
Cloudiness during the night??
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...
Dec 9, 2002
weather for leonids
This Leonid weather page has an internesting map of cloudiness fraction for the month of november. http://home.
Nov 4, 2002
an astronomy-weather forecast in the UK.
Spacial and temporal resolution is not high, but they're bold enough to forecast five days: ...
Oct 27, 2002
Scintillation and Seeing
I dragged myself out of bed at 4 a.m. for a look at the planets. As usual, I put the 10-inch out into the night air before I went to bed, so its temperature...
Oct 17, 2002
Just address an email to AstronomyWeather@yahoogroups.com
Jump to a particular message
Copyright © 2010 Yahoo! Inc. All rights reserved.
Terms of Service