Weather and pollen
How does the weather influence pollen levels? BBC Weather's Louise Lear explains.
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Wind gusts weather symbol
12th June 2017 Last updated at 10:00
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You may be familiar with seeing the average wind speed icons on TV, online and on the BBC Weather app. However, winds often do the most damage when they gust, which is a sudden blast of strong wind.
When the weather forecast predicts gusts of wind over 40mph, our wind icon will change from the usual white to black. The black icon will help inform you in advance of potential hazards that may shape your day - whether it's your umbrella turning inside out or more severe impact on transport.
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