[Tex/LaTex] Vertical align of minipage tcolorbox

minipagetcolorboxvertical alignment

I'm trying to put two instances of tcolorbox side by side and to vertically align to the top. From other posts I have tried minipage with option [t] with this code

\begin{document}
\begin{minipage}[t]{0.5\textwidth}
\begin{tcolorbox}[colback=isabelline,colframe=antiquewhite!20!black,title=Boundary layer]
\footnotesize{0, no boundary-layer\\
1, YSU scheme\\
2, Mellor-Yamada-Janjic TKE\\
3, NCEP Global Forecast System}
\end{tcolorbox}
\end{minipage}
\begin{minipage}[t]{0.5\textwidth}
\begin{tcolorbox}[colback=isabelline,colframe=antiquewhite!20!black,title=Surface physics]
\footnotesize{0, no surface temp prediction\\
1, thermal diffusion scheme\\
2, Unified Noah land-surface model\\
1, thermal diffusion scheme\\
2, Unified Noah land-surface model\\
1, thermal diffusion scheme\\
2, Unified Noah land-surface model\\
3, RUC land-surface model}
\end{tcolorbox}

\end{minipage}
\end{document}

But the result is that they are bottom-aligned. What am I missing?
enter image description here

Thanks

Best Answer

See the update for a special tcolorbox for such environments at the end of the answer.

Use tcbraster to align the box -- this provides a much cleaner interface for many setups with tcolorbox.

Say \begin{tcbraster}[raster columns=2,box valign=top]...\end{tcbraster}, for example

Please note that only tcolorbox environments may appear in a raster. 

\documentclass{article}

\usepackage[x11names,svgnames,dvipsnames]{xcolor}
\usepackage[most]{tcolorbox}

\begin{document}

\begin{tcbraster}[raster columns=2, raster valign=top]
\begin{tcolorbox}[colback=white!70!yellow,colframe=white!20!black,title=Boundary layer]
\footnotesize 0, no boundary-layer

1, YSU scheme

2, Mellor-Yamada-Janjic TKE

3, NCEP Global Forecast System
\end{tcolorbox}
\begin{tcolorbox}[colback=white!70!yellow,colframe=white!20!black,title=Surface physics]
\footnotesize 0, no surface temp prediction 

1, thermal diffusion scheme

2, Unified Noah land-surface model

1, thermal diffusion scheme

2, Unified Noah land-surface model

1, thermal diffusion scheme

2, Unified Noah land-surface model

3, RUC land-surface model
\end{tcolorbox}
\end{tcbraster}
\end{document}

enter image description here

Update with special tcolorbox for this.

\documentclass{article}

\usepackage[x11names,svgnames,dvipsnames]{xcolor}
\usepackage[most]{tcolorbox}

\newtcolorbox{somebox}[1][]{%
  colback=white!70!yellow,
  colframe=white!20!black,
  #1%
}


\begin{document}
\begin{tcbraster}[raster columns=2, raster valign=top,fontupper=\footnotesize]
\begin{somebox}[title=Boundary layer]
0, no boundary-layer

1, YSU scheme

2, Mellor-Yamada-Janjic TKE

3, NCEP Global Forecast System
\end{somebox}
\begin{somebox}[title=Surface physics]
0, no surface temp prediction 

1, thermal diffusion scheme

2, Unified Noah land-surface model

1, thermal diffusion scheme

2, Unified Noah land-surface model

1, thermal diffusion scheme

2, Unified Noah land-surface model

3, RUC land-surface model
\end{somebox}
\end{tcbraster}
\end{document}
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