Questions tagged [gfs]

GFS can mean either Google File System, or "GFS2" which is a cluster file system available in Linux.

GFS can mean either Google File System, or "GFS2" which is a cluster file system available in Linux.

48 questions
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How to using for loop to download GFS url data using Siphon

I'm trying to loop to download a subset of GFS data using the siphon library. I can download one file at a time normally the way the code is laid out. I would like to know how can I download from the period January 2020 to December 2022 from the 003…
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Grib2 data extraction with xarray and cfgrib very slow, how to improve the code?

The code is taking about 20 minutes to load a month for each variable with 168 time steps for the cycle of 00 and 12 UTC of each day. When it comes to saving to csv, the code takes even longer, it's been running for almost a day and it still hasn't…
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How to add new column in dataframe based on forecast cycle 00 and 12 UTC using pandas

I have a dataframe with data from two forecast cycles, one starting at 00 UTC and going up to 168 hours forecast (Forecast (valid time column) and another cycle starting at 12 UTC and also going up to 168 hours forecast. Based on dataframe that I…
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How to open multiple files in a path skiiping files with a determined name

I have a folder with files whose name goes from f000 to f168, and I would like to select only files above f000, that is, from f003, f006, to f168. How can I do this ? The file name starts like this: gfs.0p25.2020010100.f000.WE.grib2
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Xarray mfdataset combining files with different variables using cfgrib engine

I have a folder with several files in .grib2 extension and some of them have the tcc variable (cloud cover) and others don't. I would like to open all files in a single array with this variable but it gives an error. I can only open a single file…
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meteoForecast for precipitation from GFS: : Point outside GFS-MG region

Error with getPoint function (GFS) for location (lon = 29.7, lat = -0.9) and variable ("Precipitable_water_entire_atmosphere_single_layer") : Point outside GFS-MG region. See the script below: library(meteoForecast) list<-grepVar('prec', service…
b musana
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GFS model and clouds

I have the task of producing a cloudiness forecasts from GFS model. I found a way to get GFS data and manipulate it with metpy, but there are multiple data about clouds, for…
tevch
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Getting GRIB2 Lat/Lon Information from GDAL

I am attempting to plot fields from a GRIB2 file of GFS model data (example file: https://nomads.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.20220202/12/atmos/gfs.t12z.pgrb2.0p25.f006 ). Normally I would just use PyGRIB and I'd have this problem…
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The structure of the GFS checkpoint

Recently, I read the GFS paper but I have some trouble on the data strcuture of the checkpoint. So what does Checkpoint's data structure look like, and how is it designed
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How to integrate yii2 application with some maps(like a google map)

I have a database containing some building's GPS in my city, i need my yii2 app to use this database in displaying a map (like a google map) containing all buildings in my database with some highlights depending on a building status. Then my…
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Which filter to use to fetch precipitation data from nomad website?

I want to fetch precipitation data from nomad Website but I don't know which grib filter to use to fetch only preicipation data, can someone tell me which filters to use.
kaku
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How SSTable stores its triplets to the file system?

How exactly SSTable stores its string string keys [row, column, timestamp] triples to the file system, are all triplets in the same directory, in different directories, in the same file or in some other way? The question is specifically about the…
Aleks
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GFS2 flags 0x00000005 blocked,join

I have cluster RHEL6, cman, corosync, pacemaker. After adding new memebers I got error in GFS mounting. GFS never mounts on servers. group_tool fence domain member count 4 victim count 0 victim now 0 master nodeid 1 wait state none members …
Oleg Ilyin
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What is the similar function to Distributed cache of Hadoop Distribution File system in Google File System

I have deployed a 6-node Hadoop Cluster in Google Compute Engine. I am using Google file system(GFS) instead of Hadoop File Distribution System(HFS). . So, I want to access files in GFS in the same way as distributed cache method does in…
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Grads plotting data from different files (different points of time) in one 2D (height – time) plot

I downloaded data from the american gfs weather modell (from ftp://ftp.ncep.noaa.gov/pub/data/nccf/com/gfs/prod/gfs.2014101812/master, edit date if you read more than 1 month later). Those are grib-files. I am using grads to plot data and it works…
Dremet
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