Oly must be > 3 when using an advection scheme other than 2nd O  and  staggerTimeStep & multiDimAdvection & GM_AdvForm & not.GM_AdvSeparate Add an exchange of gT,gS in this case.
Oly must be > 3 when using an advection scheme other than 2nd O  and
 staggerTimeStep & multiDimAdvection & GM_AdvForm & not.GM_AdvSeparate
Add an exchange of gT,gS in this case.

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