NOMADS grib file naming

Question

I am looking to run

example on wave model data. It refers to downloading grib files from

When I browse into a current date subfolder, what is the naming convention?

I see

multi_1.ak_10m.t00z.f000.grib2

I assume it must be something like

multi_1.<LOCATION>_??m.t??z.f<FORECAST_IN_HOURS>.grib2

LOCATION I see ak - Alaska? , ep - East Pacific? , glo - Global?

What are the others?

thesunnyscientist · Accepted Answer · 2019-10-11 13:54:01Z

2

Taking your example:

<LOCATION>_??m : the resolution of the model in (arc)minutes

.t??z : the time of the model run at which it was started

.f??? : the number of hours after the model was started

The locations with corresponding notation can be found here

answered Oct 11, 2019 at 13:54

thesunnyscientist

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THanks! When I get data from the Nomads server that has a time tag 11-Oct-2019 03:33, when was it created? Is this UTC / PST time? nomads.ncep.noaa.gov/pub/data/nccf/com/wave/prod/…
– El Dude
Oct 11, 2019 at 18:20
1

Honestly I'm not sure. Looking at the time stamps I'm inclined to believe it would be UTC but I cannot tell you for certain. Sorry!
– thesunnyscientist
Oct 11, 2019 at 23:13

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