inst/doc/miscellaneous.R

In thunder: Computation and Visualisation of Atmospheric Convective Parameters

## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)
old_options = options(scipen = 999)

## ----skewt_customized, eval=TRUE, fig.width=7, fig.height=8-------------------
library(thunder)
northplatte = get_sounding(wmo_id = 72562, yy = 1999, mm = 7, dd = 3, hh = 00)
skewt_plot(ptop = 150, close_par = FALSE, temp_stripes = TRUE, deg45 = TRUE, mixing_ratio_col = "pink")
skewt_lines(northplatte$temp, northplatte$pressure, ptop = 150, col = "red", lwd = 3)
skewt_lines(northplatte$dpt, northplatte$pressure, ptop = 150, col = "blue", lwd = 3)
title("Skew-T customized")

## ----change_par_wind_speed_profile, message=FALSE, warning=FALSE, include=FALSE----
oldpar = par()

## ----wind_speed_vertical_profile, eval=TRUE, fig.fullwidth=TRUE, fig.height=6, fig.width=8, warning=FALSE----
northplatte = get_sounding(wmo_id = 72562, yy = 1999, mm = 7, dd = 3, hh = 00)
par(fig = c(0.1, 0.75, 0.15, 0.9), new = TRUE, mar = c(1, 1, 1, 1), oma = c(0, 0, 0, 0))
sounding_wind(pressure = northplatte$pressure, ws = northplatte$ws, yaxs = TRUE)
title("North Platte - 3 July 1999 0000 UTC", outer = FALSE)
par(fig = c(0.65, 0.95, 0.15, 0.9), new = TRUE, mar = c(1, 1, 1, 1), oma = c(0, 0, 0, 0))
sounding_barbs(northplatte$pressure, northplatte$ws, northplatte$wd, northplatte$altitude, interpolate = FALSE, barb_cex = 1)

## ----change_par_wind_speed_profile2, message=FALSE, warning=FALSE, include=FALSE----
par(oldpar)

## ----hodo_customized, eval = TRUE, fig.width=6, fig.height=6, fig.fullwidth = TRUE----
data("northplatte")
sounding_hodograph(ws = northplatte$ws,
                   wd = northplatte$wd, 
                   altitude = northplatte$altitude,
                   max_speed = 38,
                   SRH_polygon = "03km_RM",
                   storm_motion = c(15, 180)
)
title("North Platte - 10 May 2001, 00:00 UTC")

## ----options_restore, message=FALSE, warning=FALSE, include=FALSE-------------
options(old_options)