<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Hello NCL-experts, </div><div class="">I am looking for a function that does a spatial band pass filtering (Gaussian low-pass filters). I checked for previous threads and I found that there are Lanczos filters in NCL. However, these appear to be specific to the temporal/frequency filtering (please correct me if I am wrong). I am looking for something spatial. </div><div class=""><br class=""></div><div class="">Specifically, on the lines of: </div><div class=""><img apple-inline="yes" id="B1FCE146-44F9-486D-A643-550359509536" src="cid:32697913-32D7-4D48-B80D-EDECE9ED668B@stanford.edu" class=""></div><div class=""><br class=""></div><div class="">Any leads on this will be immensely helpful. </div><div class=""><br class=""></div><div class="">Thank you, </div><div class="">Prashanth </div></body></html>