noaastorms R package now supports NOAA IBTrACS v4
Earlier this year, I released a simple R package (available at basilesimon/noaastorms) that downloads, cleans and parses NOAA IBtrack data for you.
As the NOAA updated its datasets,
noaastorms is now using these!
How to install
getStorms: Fetch NOAA historical best track storms data
> df <- getStorms(c('EP')) > head(df[1:5]) Serial_Num Season Num Basin Sub_basin Name 2 1902276N14266 1902 01 EP MM UNNAMED 3 1902276N14266 1902 01 EP MM UNNAMED 4 1902276N14266 1902 01 EP MM UNNAMED 5 1902276N14266 1902 01 EP MM UNNAMED 6 1902276N14266 1902 01 EP MM UNNAMED
The first argument is a vector of basin codes from this list:
- NA: North Atlantic
- SA: South Atlantic
- NI: North Indian
- SI: South Indian
- EP: East Pacific
- SP: South Pacific
- WP: West Pacific
To get storms that took place in the Atlantic for example, run
The second (optional) argument is a date range to filter data with. For example:
dateRange <- c(as.Date('2010-01-01'), as.Date('2012-12-31')) getStorms(c('NA', 'SA'), dateRange = dateRange)
Will query storms that took place in the Atlantic in 2010 and 2012.
# load a map of the world and # use `clipPolys` to avoid issues # when zooming in with `coord_map` wm <- map_data("world") library("PBSmapping") data.table::setnames(wm, c("X","Y","PID","POS","region","subregion")) worldmap <- clipPolys(wm, xlim=c(20,110),ylim=c(0, 45), keepExtra=TRUE) # load storms for the Atlantic ocean spStorms <- getStorms(c('NA', 'SA')) ggplot(spStorms, aes(x = Longitude, y = Latitude, group = Serial_Num)) + geom_polygon(data = worldmap, aes(x = X, y = Y, group = PID), fill = "whitesmoke", colour = "gray10", size = 0.2) + geom_path(alpha = 0.1, size = 0.8, color = "red") + coord_map(xlim = c(20,110), ylim = c(0, 45))
Official changelog (retrieved Aug 16, 2019)
This is the first release of IBTrACS version 04. It is updated weekly.
Release date: March 2019
New features (improvements from v03):
- Best track data updated daily and contain provisional tracks of recent storms.
- Reduced formats - Version 4 is available in 3 formats (netCDF, CSV, shapefiles)
- Consistent formats - The data presented in each format is completely interconsistent (identical).
- More parameters - More parameters provided by the agencies are provided in IBTrACS
- Basin assignment - Any system occuring in a basin is included in that basin file (in version 3, the storm was only included in the basin in which it had its genesis)
- New derived parameters - We provide storm translation speed and direction and other variables requested by users.