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About changing physic suite on restart case

duydoanmanh

New member
Hi, I'm Duy,
I'm planning a real experiment to examine how different physics suites affect simulation outcomes, especially when the target event is sensitive to physics choices.
Here’s the approach:
  1. Run a CONTROL case using the original physics suite that successfully produces the event (which occurs around +18 hours from the initial time). Save the wrfrst file for restarting.
  2. At +17h (or +17:30h — just before the event), restart the simulation using a different physics suite.
This setup is technically feasible, but I have a concern:
Will this restart behave like a warm-start run, meaning I can skip the spin-up period?
If not, what would be the best way to create a fair environment to compare different physics suites (beyond relying solely on idealized test cases)?
 
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