This directory contains MM5 (MM5 Community Model) meteorological data for several METREX tracer experiments. The data is available on a 30 minute, 4 km grid.  

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Access -

The MM5 archive may be accessed by a ftp client or by a web browser:

1) If you want to use a ftp client, Windows PC users may use WinSCP, FileZilla,
   etc. that support passive mode. MacOS and Linux users may use the ftp
   command. Connect your ftp client to ftp.arl.noaa.gov using anonymous and
   your email address for the username and password, respectively and change
   directory to /archives/mm5. Note if you are using multiple ftp
   connections, limit the number of concurrent connections equal to or
   less than two.  Otherwise, your access to our ftp server may be blocked off.
2) If you are using a web browser, point it to
   https://www.ready.noaa.gov/data/archives/mm5.
   It may take a few minutes or longer for the webpage to display.
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