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Info

This exercise involves:

  • reading and visualising ENS (Ensemble Prediction System) forecasts (in GRIB format)
  • performing fiieldset computations in Macro
  • defining various layouts
  • customising title for plots with multiple fields

Preparations

XXX Download data

Verify that the data are as expected.

Remember to give your icons useful names!

Setting the map View

With a new Geographical View icon, set up a cylindrical projection with its area defined as

Code Block
South/West/North/East: 43/-20/60/10

Set up a new Coastlines icon with the following:

  • the land coloured in cream
  • the coastlines thick black
  • use grey grid lines at every 5 degrees.

Part 1: Evaluating the forecasts

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  • top left: the closest forecast to the event
  • top right: the forecast run 4 days before the event
  • bottom left: the ensemble mean for the ENS  forecast run 4 days before the event
  • bottom right: the ensemble spread for the ENS forecasts run 4 days before the event

Setting the map View

With a new Geographical View icon, set up a cylindrical projection with its area defined as

Code Block
South/West/North/East: 43/-20/60/10

Set up a new Coastlines icon with the following:

  • the land coloured in cream
  • the coastlines thick black
  • use grey grid lines at every 5 degrees.

Defining the layout

With a new Display Window icon define a 2x2 layout so that each plot should contain your view. 

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