Description Usage Arguments Details Value References

View source: R/willoughby2006eqs.R

Calculates the radius at which the maximum wind occurs
(*Rmax*), based on the maximum gradient-level 1-min sustained
wind (*vmax_gl*) and latitude (*φ*). This function
implements Willoughby et al. (2006), Equation 7a.

1 | ```
will7a(vmax_gl, tclat)
``` |

`vmax_gl` |
Numeric vector of the tangential wind component of the maximum gradient wind speed, in meters per second |

`tclat` |
Numeric vector of the absolute value of latitude, in degrees. |

This function fits the following equation:

*
Rmax = 46.4 e^(- 0.0155 vmax_gl) + 0.0169φ*

where:

*Rmax*: Radius from the storm center to the point at which the maximum wind occurs (km)*vmax_gl*: Tangential wind component of the gradient-level maximum wind speed (m / s)*φ*: Latitude (degrees)

A numeric vector with *Rmax*, the radius of maximum
winds, in kilometers.

Willoughby HE, Darling RWR, and Rahn ME. 2006. Parametric representation of the primary hurricane vortex. Part II: A new family of sectionally continuous profiles. Monthly Weather Review 134(4):1102-1120.

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