Weather Analysis Programs Using the HP-41CV
Wash, Carlyle H.
Spray, Laura A.
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Several synoptic problems, previously solved by graphical overlays, can be solved with a programmable calculator. The HP-4lCV hand-held calculator is used to determine surface wins5, the probability of average rainfall for a regional area (Monterey, California), contrail formation, and the lifting condensation level from surface data.
The article of record as published may be found at http://www.nwas.org/digest/papers/1985/Vol10-Issue4-Nov1985/Pg20-Wash.pdf