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Hi Sarah, This should be possible but I'll need a copy of the continuous probability file you're using in grphgd to see exactly how since I can't remember off the top of my head. Michael > Hi, > > I don't know if this is the right place to ask this question, but I thought > I'd try. I am a forecaster at the Storm Prediction Center in Norman, OK, > and I was wondering if there was a way to have the program graph to grid > (grphgd) display continuous probabilities. > > For example, please see this webpage: > http://www.spc.noaa.gov/products/outlook/archive/2012/day1otlk_20120908_1200.html > > Currently, we are displaying 2, 5, 10% probabilities for tornado, for > example. I'm wondering, can we edit the gempak file in grphgd such that > other probabilities could be displayed...e.g. 3%, 4%, etc.? I've been > playing around with the file, but I'm not getting the output I need. The > contours are usually bunched tightly together around the 2, or 5% line. > Also, I need to set a max and min value, so that within the 10% contour, I > could set a max, below our next threat level, which would be 15%. > > Thanks for any help you could provide. Or, if you can point me in the right > direction for more assistance, that would be great. > > Sarah Taylor > Forecaster/Research Assistant > Storm Prediction Center > > Ticket Details =================== Ticket ID: WDB-634752 Department: Support GEMPAK Priority: Normal Status: Open