Isohyet Precipitation Maps

Interpolated observed and forecasted rainfall for the TRCA Watersheds. Automatically generated every hour. Interpolation methods are tested for each map before generating, interpolation method used is based on the lowest Root Mean Square Error (RMSE) for the given data. Methods tested and used are:

  • Thin Plate Spline

  • Ordinary Krigging

  • Inverse Distance Weighting (where p=1)

  • Inverse Distance Weighting (where p=2)

  • Inverse Distance Weighting (where p=3)

Available Resources:

  • 1 Hour Observed Rainfall - Interpolated total rainfall for past hour.

  • 24 Hour Observed Rainfall - Interpolated total rainfall for past 24 hours.

  • 48 Hour Forecasted Rainfall - Interpolated total forecasted rainfall for next 48 hours. (Forecasted data obtained from https://darksky.net/)

Data and Resources

Additional Info

Field Value
Author Jamie Duncan
Maintainer Jamie Duncan
Version 1
Last Updated May 22, 2019, 16:51 (UTC)
Created August 9, 2018, 16:30 (UTC)