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  <h2>CMMAP Deep and Shallow Convection and Turbulence</h2><p></p>
  <span style="color:#337799"><b>From</b> <a href="mailto:arcusincus@earthlink.net">
  Steve Krueger</a></span><br />
  <span style="color:#337799"><b>Date</b> October 8, 2007</span><p></p>
Dear Interactions of Deep and Shallow Convection and Turbulence team member,<p></p>
Chin-Hoh and I will be meeting tomorrow (Tuesday) at NCAR to discuss the<br />
progress and plans for our CMMAP research theme. <p></p>

We would greatly appreciate if you would take a couple minutes to send us a<br />
short (few sentences) update on your CMMAP research that is any way relevant<br />
to this theme. We will then send out a report of this to everyone, in order<br />
to help coordinate our efforts. <p></p>

Questions for the group are also welcome.<p></p>

The following report came out of the breakout session for our theme at the<br />
August CMMAP Science Team Meeting:<p></p>

<b>STRATEGY</b><ul>
<li> Better understand interactions of deep and shallow clouds, and turbulence.</li>

<li> Better understand representation of  interactions of deep and shallow clouds, and turbulence in prototype MMF.</li>

<li> Test improved physics in MMF.</li></ul>

<b>ACTION ITEMS FOR JAN 2008</b> (short-term plans)<br />
1. To better understand interactions of deep and shallow clouds, and turbulence:<ul>
  <li> Analyze existing and new benchmark simulations.<ul>
	<li> <b>ACTION ITEM</b>: Perform large-domain LES of deep convection.
        (Computer time is required.)</li></ul></li>

  <li> Analyze observational datasets.<ul>
	<li> <b>ACTION ITEM</b>: Identify and/or develop appropriate datasets.
        </li></ul></li>
  </ul>

2. To better understand representation of  interactions of deep and shallow clouds, and turbulence in prototype MMF:<ul>
  <li> Identify physical processes responsible for MMF deficiencies (e.g., great red spot).<ul>
	<li> <b>ACTION ITEM</b>: Analyze existing MMF simulations.</li>
	<li> <b>ACTION ITEM</b>: Perform new MMF simulations that involve changes to MMF physics.  (Computer time is required.)<ol>
	<li> Use CAM physics except for convection tendencies (Q1, Q2).</li>
	<li> Replace boundary layer turbulence scheme used in CRM.</li></ol></li>
        </ul></li></ul>

<b>LONG-TERM PLANS</b><p></p>
3. To test improved physics in MMF.<p></p>

<b>ISSUES</b><ul>
<li> Computer time will be required for the proposed simulations.</li>
<li> Large size of large-domain LES output dataset will make it a challenge to access and analyze. We need help to design.</li>

<li> Access to SP-CAM code and results: We need a clone of Marat!</li>
</ul>


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