From: David Ian Brown <dbrown_at_nyahnyahspammersnyahnyah>

Date: Tue, 20 Feb 2007 14:17:32 -0700

Date: Tue, 20 Feb 2007 14:17:32 -0700

Yes, I see. PyNIO has never been taught to recognize 'probability

threshold' as a dimension.

I will have to study this concept a bit to see what can be done about

it.

-dave

On Feb 20, 2007, at 1:33 PM, Jeff Whitaker wrote:

*>
*

*> Hi Dave: I've found that PyNIO doesn't like the grib files at
*

*>
*

*> ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/gens/prod/gefs.20070220/
*

*> 00/ensstat
*

*>
*

*> (the ones with the 'pqpf' in the name).
*

*>
*

*> The contain probabilities of precip for multiple thresholds, but PyNIO
*

*> doesn't recognize the thresholds. wgrib gives me:
*

*>
*

*> 1:0:d=07022000:PROB:kpds5=191:kpds6=1:kpds7=0:TR=4:P1=0:P2=2:TimeU=12:
*

*> sfc:0-24hr
*

*> acc:prob(APCP>254000.000000):NAve=0
*

*> 2:0:d=07022000:PROB:kpds5=191:kpds6=1:kpds7=0:TR=4:P1=0:P2=2:TimeU=12:
*

*> sfc:0-24hr
*

*> acc:prob(APCP>2540000.000000):NAve=0
*

*> 3:0:d=07022000:PROB:kpds5=191:kpds6=1:kpds7=0:TR=4:P1=0:P2=2:TimeU=12:
*

*> sfc:0-24hr
*

*> acc:prob(APCP>6350000.000000):NAve=0
*

*> 4:0:d=07022000:PROB:kpds5=191:kpds6=1:kpds7=0:TR=4:P1=0:P2=2:TimeU=12:
*

*> sfc:0-24hr
*

*> acc:prob(APCP>12700000.000000):NAve=0
*

*>
*

*> but nio gives me
*

*>
*

*> >>> f = nio.open_file('ensstat.t00z.pqpf_24hbc.grb')
*

*> >>> print f.variables
*

*> {'lon_2': <NioVariable object at 0x514ef0>, 'lat_2': <NioVariable
*

*> object at 0x514ec0>, 'PROB_2_SFC_acc24h': <NioVariable object at
*

*> 0x514d70>, 'forecast_time0': <NioVariable object at 0x514f20>}
*

*> >>> print f.dimensions
*

*> {'forecast_time0': 31, 'lat_2': 73, 'lon_2': 144}
*

*>
*

*>
*

*> Note that there is only one variable, and no dimension corresponding
*

*> the precip threshold.
*

*>
*

*> -Jeff
*

*>
*

*> --
*

*> Jeffrey S. Whitaker Phone : (303)497-6313
*

*> Meteorologist FAX : (303)497-6449
*

*> NOAA/OAR/PSD R/PSD1 Email : Jeffrey.S.Whitaker_at_noaa.gov
*

*> 325 Broadway Office : Skaggs Research Cntr 1D-124
*

*> Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg
*

*>
*

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Received on Tue Feb 20 2007 - 14:17:32 MST

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