Description Usage Arguments Value

View source: R/latlon_helpers.R

This storm takes two storm locations and their observations times and calculates the average speed of the storm between the two observations.

1 | ```
calc_forward_speed(tclat_1, tclon_1, time_1, tclat_2, tclon_2, time_2)
``` |

`tclat_1` |
A numeric vector giving latitude of the first location (degrees) |

`tclon_1` |
A numeric vector giving longitude of the first location (degrees). This value should be expressed as a positive value for Western hemisphere longitudes. |

`time_1` |
A date-time vector giving the time of the first observation. |

`tclat_2` |
A numeric vector giving latitude of the second location (degrees) |

`tclon_2` |
A numeric vector giving longitude of the second location (degrees). This value should be expressed as a positive value for Western hemisphere longitudes. |

`time_2` |
A date-time vector giving the time of the second observation. |

A numeric vector with the average forward speed of the storm between the two observations, in meters per second.

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