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RNCEP (version 1.0.11)

Obtain, Organize, and Visualize NCEP Weather Data

Description

Contains functions to retrieve, organize, and visualize weather data from the NCEP/NCAR Reanalysis () and NCEP/DOE Reanalysis II () datasets. Data are queried via the Internet and may be obtained for a specified spatial and temporal extent or interpolated to a point in space and time. We also provide functions to visualize these weather data on a map. There are also functions to simulate flight trajectories according to specified behavior using either NCEP wind data or data specified by the user.

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Version

Install

install.packages('RNCEP')

Monthly Downloads

322

Version

1.0.11

License

GPL (>= 2)

Maintainer

Michael U Kemp with contributions from E Emiel van Loon

Last Published

January 23rd, 2025

Functions in RNCEP (1.0.11)

NCEP.loxodrome

Calculate the loxodrome angle between two points on Earth.
NCEP.uv.revert

Reverts speed and direction to U and V components.
NCEP.gather

Queries Weather Data
NCEP.vis.area

Visualize Weather Data on a Map
NCEP.restrict

Temporally Filters Weather Data
NCEP.flight

Simulate Trajectories
NCEP.vis.points

Visualize Weather Data Interpolated to a Point on a Map
NCEP.track2kml

Plot a track in Google Earth
RNCEP-package

This package of functions retrieves, organizes, and visualizes weather data from either the NCEP/NCAR Reanalysis or NCEP/DOE Reanalysis II datasets
NCEP.interp

Interpolates Weather Data to a point in space and time
gull

GPS data points from a lesser black-backed gull
NCEP.Groundspeed

Calculate flow-assistance according to equation 'Groundspeed'
NCEP.NegFlowSpeed

Calculate flow-assistance according to equation 'NegFlowSpeed'
NCEP.Tailwind

Calculate flow-assistance according to equation 'Tailwind'
NCEP.PartialSpeed

Calculate flow-assistance according to equation 'PartialSpeed'
NCEP.Airspeed

Calculate flow-assistance according to equation 'Airspeed'
NCEP.FlowSpeed

Calculate flow-assistance according to equation 'FlowSpeed'
NCEP.bind

Bind Two 3-D Arrays of Weather Data Along the Prime Meridian
NCEP.array2df

Convert data from an array to a data frame
NCEP.M.Groundspeed

Calculate flow-assistance according to equation 'M.Groundspeed'
NCEP.aggregate

Temporally Aggregate Weather Data