beta_modelsR

Compute the Exponential TC beta Profile-Curvature Parameter

Methods for generating modelled parametric Tropical Cyclone (TC) spatial hazard fields and time series output at point locations from TC tracks. R's compatibility to simply use fast 'cpp' code via the 'Rcpp' package and the wide range spatial analysis tools via the 'terra' package makes it an attractive open source environment to study 'TCs'. This package estimates TC vortex wind and pressure fields using parametric equations originally coded up in 'python' by 'TCRM' <https://github.com/GeoscienceAustralia/tcrm> and then coded up in 'Cuda' 'cpp' by 'TCwindgen' <https://github.com/CyprienBosserelle/TCwindgen>.

Julian O'Grady

TCHazaRds

Tropical Cyclone (Hurricane, Typhoon) Spatial Hazard Modelling

beta_modelsR function

<dl><dt>betaModel</dt>
<dd>0=Holland (2008),1=Powell (2005),2=Willoughby &amp; Rahn (2004),3=Vickery &amp; Wadhera (2008),4=Hubbert (1991)</dd>
<dt>vMax</dt>
<dd>maximum wind speed m/s. see <code>vMax_modelsR</code></dd>
<dt>rMax</dt>
<dd>radius of maximum winds (km). see <code>rMax_modelsR</code></dd>
<dt>cPs</dt>
<dd>Tropical cyclone central pressure (hPa)</dd>
<dt>eP</dt>
<dd>Background environmental pressure (hPa)</dd>
<dt>vFms</dt>
<dd>Forward speed of the storm m/s</dd>
<dt>TClats</dt>
<dd>Tropical cyclone central latitude</dd>
<dt>dPdt</dt>
<dd>rate of change in central pressure over time, hPa per hour from Holland 2008</dd>
<dt>rho</dt>
<dd>density of air</dd></dl>

Arguments

Compute the Exponential TC beta Profile-Curvature Parameter — beta_modelsR

<dl>

<dt>betaModel</dt>
<dd>0=Holland (2008),1=Powell (2005),2=Willoughby &amp; Rahn (2004),3=Vickery &amp; Wadhera (2008),4=Hubbert (1991)</dd>


<dt>vMax</dt>
<dd>maximum wind speed m/s. see <code>vMax_modelsR</code></dd>


<dt>rMax</dt>
<dd>radius of maximum winds (km). see <code>rMax_modelsR</code></dd>


<dt>cPs</dt>
<dd>Tropical cyclone central pressure (hPa)</dd>


<dt>eP</dt>
<dd>Background environmental pressure (hPa)</dd>


<dt>vFms</dt>
<dd>Forward speed of the storm m/s</dd>


<dt>TClats</dt>
<dd>Tropical cyclone central latitude</dd>


<dt>dPdt</dt>
<dd>rate of change in central pressure over time, hPa per hour from Holland 2008</dd>


<dt>rho</dt>
<dd>density of air</dd>

</dl>

beta_modelsR: Compute the Exponential TC beta Profile-Curvature Parameter

Description

Usage

Value

Arguments

Examples