<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Dear All,<br>I am a WRF user with data assimilation. Since, i used WRF-3DVar with cold start mode.<br>I would like to run it with cycling mode, but i don't understand the statement with precise that "first-guess should be from previous forecast".<br>Would you please, help me step by step to run WRFVar with cycling mode?<br>How to generate the necessary inputs for this purpose?<br><br>With Regards<br><br><span style="font-family:lucida console, sans-serif;color:rgb(0, 0, 191);font-style:italic;">Pascal MOUDI IGRI</span><br><br><font size="2"><span style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);">PhD Student </span><br style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);"><span style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);">Laboratory of Environmental Modeling and
Atmospheric Physics (LEMAP)</span><br style="color:rgb(0, 0, 191);"><font size="1"><span style="color:rgb(0, 0, 191);">Department of Physics</span></font><br style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);"><span style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);">Faculty of Science</span><br style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);"><span style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);">University of Yaounde I, Cameroon </span><br style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);"><span style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);">National Advanced Training School for Technical Education,</span><br style="font-family:times new roman, new york, times, serif;color:rgb(0, 0, 191);"><span style="font-family:times new roman, new york, times,
serif;color:rgb(0, 0, 191);">Electrical Engineering, Douala</span><br style="color:rgb(0, 0, 191);"></font><br><span style="font-style:italic;color:rgb(255, 0, 127);">Tel:+237 75 32 58 52</span></td></tr></table>