METCM-based Messages from Climatological Data

Report No. ARL-TN-0528
Authors: James L. Cogan and Patrick A. Haines
Date/Pages: March 2013; 22 pages
Abstract: Planning at test ranges may require a means to check on the potential range of projectiles given likely meteorological conditions. One means for planning purposes is to use climatological data to provide climate-based meteorological messages that serve as input to simulated firings. Consequently, we developed computer programs to convert climatological data supplied by the 14th Weather Squadron of the U.S. Air Force (AF) into a form that contains data similar to what are found in the Computer Meteorological Message (METCM). The METCM is a commonly used form of meteorological information for artillery applications. The AF can generate mean values and standard deviations of height, temperature, wind speed and direction, and various moisture variables such as relative humidity and dew point, plus other meteorological variables from archived climatological data. Based on potential needs, we provided output that included the message computed using the climatological means and messages that added or subtracted one or more standard deviations from one or more of the meteorological variables.
Distribution: Approved for public release
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Last Update / Reviewed: March 1, 2013