Fires will start easily and will spread rapidly and burn intensely right after ignition.
Small fires can quickly become large fires and show extreme fire behaviour.
These fires can be difficult to control and will often become much larger and longer-lasting fires.
Fires can start easily and control becomes increasingly more difficult the longer the fire is left.
Fires are not likely to become serious and are often easy to control if attended to quickly.
Wildfires are unlikely
Ignition may take place near large and prolonged heat sources but the resulting fires generally do not spread much.
Control of fires is generally easy.
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