[gradsusr] Different GFS Variables on OpenDAP versus FTP

Mark Sponsler msponsler at comcast.net
Fri Feb 15 17:01:07 EST 2019


Hi Marian,
I'm trying to use Wesley's Fast Downloading of Grib Part2. 

It uses get_gfs.pl

When I inventory the gfs files, the acpcp and csnow variables are not present. 

Where are you getting your grib files from?

Can you provide the exact url please?

It looks like you have what I'm looking for. 

Thanks,
Mark
  

On February 15, 2019 1:00:55 PM PST, "AMS EmsiWx Bytča" <emsiwx at pocasie-bytca.sk> wrote:
>Hi Mark,
>
>they are... see part of my ctl fle below:
>
>
>dset ^gfs.grib2
>index ^gfs.grib2.idx
>undef 9.999E+20
>title gfs.grib2
>* produced by g2ctl v0.0.8.8
>* command line options: -verf gfs.grib2
>* griddef=1:0:(537 x 209):grid_template=0:winds(N/S): lat-lon grid:(537
>
>x 209) units 1e-06 input WE:SN output WE:SN res 48 lat 24.000000 to 
>76.000000 by 0.250000 lon 303.000000 to 77.000000 by 0.250000 
>#points=112233:winds(N/S)
>
>dtype grib2
>ydef 209 linear 24.000000 0.25
>xdef 537 linear -57 0.250000
>tdef 81 linear 00Z15feb2019 3hr
>* PROFILE hPa
>zdef 22 levels 100000 97500 95000 92500 90000 85000 80000 75000 70000 
>65000 60000 55000 50000 45000 40000 35000 30000 25000 20000 15000 10000
>1000
>options pascals
>vars 38
>no4LFTXsfc   0,1,0   0,7,193 ** surface Best (4 layer) Lifted Index [K]
>ACPCPsfc   0,1,0   0,1,10,1 ** surface Convective Precipitation
>[kg/m^2]
>APCPsfc   0,1,0   0,1,8,1 ** surface Total Precipitation [kg/m^2]
>CAPEsfc   0,1,0   0,7,6 ** surface Convective Available Potential
>Energy 
>[J/kg]
>CAPE180_0mb  0,108,18000,0   0,7,6 ** 180-0 mb above ground Convective 
>Available Potential Energy [J/kg]
>CFRZRsfc   0,1,0   0,1,193,0 ** surface Categorical Freezing Rain 
>(yes=1; no=0) [non-dim]
>CICEPsfc   0,1,0   0,1,194,0 ** surface Categorical Ice Pellets (yes=1;
>
>no=0) [non-dim]
>CINsfc   0,1,0   0,7,7 ** surface Convective Inhibition [J/kg]
>CIN180_0mb  0,108,18000,0   0,7,7 ** 180-0 mb above ground Convective 
>Inhibition [J/kg]
>CRAINsfc   0,1,0   0,1,192,0 ** surface Categorical Rain (yes=1; no=0) 
>[non-dim]
>CSNOWsfc   0,1,0   0,1,195,0 ** surface Categorical Snow (yes=1; no=0) 
>[non-dim]
>DPT2m   0,103,2   0,0,6 ** 2 m above ground Dew Point Temperature [K]
>GUSTsfc   0,1,0   0,2,22 ** surface Wind Speed (Gust) [m/s]
>HGTsfc   0,1,0   0,3,5 ** surface Geopotential Height [gpm]
>HGTprs    22,100  0,3,5 ** (1000 975 950 925 900.. 250 200 150 100 10) 
>Geopotential Height [gpm]
>
>
>
>What do you use to get the GRIBS, how do you process them, where do you
>
>use them (SW)?
>
>
>Marian
>
>
>
>Dňa 15. 2. 2019 o 20:45 MARK SPONSLER napísal(a):
>>
>> Hi all,
>>
>> Interesting situation...
>>
>>
>> I'm using the main NOAA site for obtaining data from the GFS 0.25 deg
>
>> model
>>
>> https://nomads.ncep.noaa.gov/
>>
>>
>> When using Open DAP I can get obtain variable ACPCP (at the surface) 
>> and CSNOW (at the surface)
>>
>>
>> But when using HTTP those variables are NOT available in the standard
>
>> gfs.t0Xz.pgrb2.0p25.fXXX files or the pgrb2b files.
>>
>>
>> Any idea where I can obtain these variables?
>>
>> Any idea why these variables are not in the pgrb2 files?
>>
>>
>> Thanks,
>> Mark
>>
>> _______________________________________________
>> gradsusr mailing list
>> gradsusr at gradsusr.org
>> http://gradsusr.org/mailman/listinfo/gradsusr

Thanks,
Mark Sponsler
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