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10.8 Storm cast and Storm tracks layers
The Storm cast layer displays arrows that show a storm’s direction and speed. The Storm tracks layer
identifies a storm’s historic, current and forecasted path. Associated wind fields are also shown for
the storm’s current location.
Storm tracks
Storm track symbols identify the type and time period of the storm.
Item
Category
Color
Description
1, 2, 3
Historical
Grey
Hurricane (Category 1–5)
4, 5, 6 Current
Red
Tropical storm
7, 8, 9 Forecast
Orange
Tropical disturbance,
tropical depression
Storm data is available from the context menu when a symbol is selected.
Surface wind fields (Wind Radii) are shown using colored shapes representing the wind field area
and speed.
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