will7a: Calculate radius of maximum winds
In geanders/stormwindmodel: Model Tropical Cyclone Wind Speeds
will7a R Documentation
Calculate radius of maximum winds
Description
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.
Usage
will7a(vmax_gl, tclat)
Arguments
vmax_gl
Maximum gradient-level 1-min sustained wind for the tropical cyclone
tclat
Numeric vector of the value of latitude, in degrees.
Details
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: Absolute value of latitude (in decimal degrees)
Value
A numeric vector with Rmax, the radius of maximum
winds, in kilometers.
References
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.
geanders/stormwindmodel documentation built on Sept. 27, 2022, 6:47 a.m.
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| will7a | R Documentation |
Calculate radius of maximum winds
Description
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.
Usage
will7a(vmax_gl, tclat)
Arguments
vmax_gl |
Maximum gradient-level 1-min sustained wind for the tropical cyclone |
tclat |
Numeric vector of the value of latitude, in degrees. |
Details
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: Absolute value of latitude (in decimal degrees)
Value
A numeric vector with Rmax, the radius of maximum winds, in kilometers.
References
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.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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