stormwindmodel (version 0.1.4)

map_wind: Map wind exposure at the county level

Description

Inputs a dataframe with modeled winds for each eastern U.S. county and maps these modeled winds.

Usage

map_wind(
  grid_winds,
  value = "vmax_sust",
  break_point = NULL,
  wind_metric = "mps"
)

Arguments

grid_winds

A dataframe that is the output of running get_grid_winds using eastern U.S. county centers as the grid point locations for modeling the winds.

value

A character string giving the value to plot. Possible options are "vmax_gust" (maximum gust wind speeds) and "vmax_sust" (maximum sustained wind speeds).

break_point

An numeric value giving the value of the value parameter (e.g.,maximum gust wind speeds or maximum sustained wind speeds) at which to break for a binary map showing exposure versus no exposure. The default for this parameter is NULL, which returns a map with continuous wind speed values. If the break_point argument is set to a numeric value, the function will return a map where counties are given binary classifications of "exposed" or "not exposed" based on whether modeled wind speed for the county is above or below this break point.

wind_metric

A character vector with the wind metric to use for the map. Possible values are "knots" and "mps" (m / s, the default).

Value

This function returns a map of the ggplot class, plotting exposure to hurricane winds by county for the eastern half of the United States.

Examples

# NOT RUN {
data("katrina_tracks")
data("county_points")
grid_winds_katrina <- get_grid_winds(hurr_track = katrina_tracks,
                                     grid_df = county_points)
map_wind(grid_winds_katrina)
map_wind(grid_winds_katrina, wind_metric = "knots")
map_wind(grid_winds_katrina, value = "vmax_gust")
map_wind(grid_winds_katrina, break_point = 20)
# }
# NOT RUN {
# }