Description Usage Arguments Details Value References
View source: R/willoughby2006eqs.R
Calculates X1, a parameter for the Willoughby wind model using equation 10a (Willoughby et al. 2006).
1 | will10a(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 uses the following equation (equation 10a, Willoughby et al. 2006) to calculate the X1 parameter:
X1 = 317.1 - 2.026vmax_gl + 1.915 φ
where:
X1: Parameter for the Willoughby wind model
vmax_gl: Maximum gradient-level 1-min sustained wind (m / s)
φ: Latitude, in decimal degrees
A numeric vector giving one of the parameters (X1) required for the Willoughby wind model.
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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