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     Q: Do you archive the MOS forecasts?
A: Yes. We have an on-line archive of the following alphanumeric message products: They are available in a UNIX compressed format in monthly files for all stations for which the guidance is produced. We have archives of these products back through at least June 2000. The web site is located at http://www.mdl.nws.noaa.gov/~mos/archives/.

Please be advised that some of these files are extremely large (up to 50 megabytes), and may take considerable time to download depending on time of day, size of the particular archive, and the type of connection you have. We have tried to break some of the products down by cycle to decrease the size of the larger archives. Unfortunately, we can not provide subsets (specific stations or dates) of these large files due to a lack of resources. These archives are provided as a courtesy, and may not be available 24 hours a day.

To download the files, RIGHT CLICK on the product, year, month, and cycle (if available) desired. Choose the option to save the file locally to your machine. If you run a Unix/Linux operating system, simply uncompress the files by typing 'uncompress <filename>'. If you are running a Windows or MAC Operating system, there are many free shareware programs that are available to uncompress Unix compressed files. Examples of such software can be found here.

National Weather Service
Office Of Science and Technology
Meteorological Development Laboratory
Statistical Modeling Branch
1325 East West Highway
Silver Spring, MD 20910
Page Author: MOS Web Team
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Page last Modified: Thursday, 04 March 2010 15:59 UTC