
\def\V{{\bf v}}
\def\ave#1{\overline{#1}}
\def\mave#1{\tilde{#1}}
\def\q{c}

\begin{frame}
\frametitle{A systematic biais of parameterized convection}

Climate models with parameterized convection tend to predict continental convection in phase with insolation, while it peaks in late afternoon in reality and in Cloud Resolving Models (mesh $\simeq$ 1~km).
\medskip

{\footnotesize
{\bf An idealized case of continental cycle with deep convection}\\
ARM, Oklahoma, after Guichard et al. 2004



\centerline{\includegraphics[bb=30 30 700 250, clip,width=\textwidth]{gcm11.pdf}}

Deep convection preceeded by a phase of shallow cumulus convection\\
Boundary layer : preconditioning and trigerring of deep convection
}

\end{frame}
