摘要
We introduced query system of the historical high-altitude surface weather chart.Historical high-altitude surface data were converted to Grads data format.Grads as generation tool of the image,ASP was used to compile WEB page.By B/S mode,only user submitted necessary conditions for the image to server by client browser,historical high-altitude surface weather chart at corresponding time and height could be ob-tained.Without any procedures and related data,only needed client browser,user could use image conveniently to a large extent.
