<p> </p><div id="editor_compose_signature"><p>Dear Nafiseh, </p><p>The grid cell size is based on what phenomena or process in atmosphere you want to simulate. </p><p>For example if you want  to  simulate of cyclone or anticyclone with horizontal scale  around 1000-1500 km and lifetime 1-5 days, grid size can be 100 - 200 km, but if you are interesting in thunderstorm simulation with horizontal size of 1-5 km and lifetime upto 12 hours then grid size should be less than 1km .</p><p>this link well help you more : </p><p>http://www.goes-r.gov/users/comet/tropical/textbook_2nd_edition/navmenu.php_tab_4_page_1.5.0.htm<br></p><p>best regards, </p><p>Suleiman </p><p><span style="background-color: transparent;">07/11/2017, 22:02:08 пользователь  (wrf-users-request@ucar.edu) написал:</span></p></div><blockquote style="border-left:1px solid #BBBBBB;margin:1ex;padding:1ex;"><br>Send Wrf-users mailing list submissions to<br>

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Today's Topics:<br>

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      1. WRF grid cell size (Nafiseh Haghtalab)<br>

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Message: 1<br>

Date: Tue, 07 Nov 2017 12:29:31 -0500<br>

From: Nafiseh Haghtalab <<a  target="_blank" title="haghtala@msu.edu">haghtala@msu.edu</a>><br>

To: <a  target="_blank" title="wrf-users@ucar.edu">wrf-users@ucar.edu</a><br>

Subject: [Wrf-users] WRF grid cell size<br>

Message-ID: <<a  target="_blank" title="20171107122931.10954hzie7usufej@mail.msu.edu">20171107122931.10954hzie7usufej@mail.msu.edu</a>><br>

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Hi All,<br>

I am struggling with calculating WRF grid cell size.<br>

How can I know the grid cell size of my run? Do I need to calculate    <br>

it? Or it is based on the data resolution?<br>

<br>

Any advise would be appreciated.<br>

<br>

Thanks,<br>

Nafiseh<br>

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--------------------------<br>

<br>

Nafiseh Haghtalab<br>

PhD Candidate,<br>

Department of Geography, Environment, and Spatial Sciences,<br>

Michigan State University<br>

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End of Wrf-users Digest, Vol 159, Issue 3<br>

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