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rNOMADS (version 2.5.0)

An R Interface to the NOAA Operational Model Archive and Distribution System

Description

An interface to the National Oceanic and Atmospheric Administration's Operational Model Archive and Distribution System (NOMADS, see for more information) that allows R users to quickly and efficiently download global and regional weather model data for processing. rNOMADS currently supports a variety of models ranging from global weather data to an altitude of over 40 km, to high resolution regional weather models, to wave and sea ice models. It can also retrieve some archived models. rNOMADS can retrieve binary data in grib format as well as import ascii data directly into R by interfacing with the GrADS-DODS system.

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Version

Install

install.packages('rNOMADS')

Monthly Downloads

442

Version

2.5.0

License

GPL (>= 3)

Maintainer

Daniel C Bowman

Last Published

September 8th, 2020

Functions in rNOMADS (2.5.0)

ArchiveGribGrab

Download archived model data from the NOMADS server.
GetClosestForecasts

Get the forecast time closest to a given date for a given model
BuildProfile

Get model data at a specific point.
DODSGrab

Download model data from the NOMADS server using the GrADS-DODS system.
CrawlModels

Get Available Model Runs
CheckNOMADSArchive

Check to see if archived data exists.
GetDODSModelRunInfo

Get model coverage and data information for models on GrADS-DODS system.
NOMADSArchiveList

Archived models available for download through rNOMADS
GetDODSModelRuns

Find available model runs on the GrADS - DODS system.
GetDODSDates

Find available model run dates for data on the GrADS - DODS system.
GribGrab

Download grib file from the NOMADS server.
ReadGrib

Extract data from grib files
ModelGrid

Transform model data into an array
MagnitudeAzimuth

Convert zonal-meridional wind speeds to magnitude/azimuth.
GribInfo

Get grib file inventory.
LinkExtractor

Extracts links from web pages
PlotWindProfile

Plot wind speed and direction
ParseModelPage

Extract predictions, levels, and variables
SubsetNOMADS

Subset model data output
WebCrawler

Get web pages
SanitizeURL

Remove illegal URL characters
rNOMADS-package

An interface to the NOAA Operational Model Archive and Distribution System
NOMADSRealTimeList

Models available for download through rNOMADS