On Sunday, October 30, 2016 at 5:22:26 PM UTC-5, WaltWX wrote:
I am interested in hear U.S. glider pilot comments on the pros/cons of all these sites for soaring forecasts. I have used them all at one time or another and find them generally comparable. But, some like RASP and DrJack do a much better job of locating convergence zones/shear lines. Geo-referencing data and ease of use varies a lot. The biggest difficulty is that archive and looking at past forecasts makes it difficult to do inter comparisons.

Your inputs will valuable to me as I am in the process of writing an article for Soaring magazine discussing the basic of Numerical Weather Prediction and how it relates to these soaring web sites.

Walt Rogers WX

Walt, I've been using TopMeteo together with Blipmaps for the entire season.. Around Chicago TopMeteo has been quite good at giving me a running 4-day forecast toward the sparsely good conditions we have. As a result I had a good number of 500+ points OLC flights that I might have missed otherwise. It was quite different for the 2+ weeks I spent in Parowan. TopMeteo was consistently under reporting good days and especially convergence zones. Thanks to our weathermen Bill Gawthrop and later Bob Faris I broke some personal records for distance and speed. I will probably not renew TopMeteo.
Herb, J7