20000703: ALTI to PMSL?

Darrell,

You should be able to use ALTM.

See the GEMPAK support archives response:
http://www.unidata.ucar.edu/glimpse/gempak/3655

as well as the SFPARM section of chapter 3 of the user guide and
appendix A. The mean column reduction is used for sea level.


Steve Chiswell
Unidata User Support


On Mon, 3 Jul 2000, Darrell Ensley wrote:

> 
> Does anyone know of a 'pre-defined' way in GEMPAK 
> to convert ALTI to PMSL? 
> 
> I've got some Mexican surface data GEMPAK files with 
> ALTI but no PMSL. Am I going to need to take the SELV 
> and convert to PMSL using Standard Atmosphere myself?
> Or is there a way to do this in GEMPAK already...or 
> any other 'non-manual' ways to do this? 
> 
> Thanks!
> 
> Darrell
> 
> 
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