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  2. Thunderstorm asthma - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm_asthma

    A thunderstorm in Tamworth, New South Wales, Australia Colourised scanning electron microscope image of pollen grains from a variety of common plants. Thunderstorm asthma (also referred to in the media as thunder fever or a pollen bomb [1]) is the triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm.

  3. Thunderstorm - Wikipedia

    en.wikipedia.org/wiki/Thunderstorm

    Thunderstorm asthma is the triggering of an asthma attack by environmental conditions directly caused by a local thunderstorm. During a thunderstorm, pollen grains can absorb moisture and then burst into much smaller fragments with these fragments being easily dispersed by wind.

  4. Severe thunderstorm risk to stretch from Midwest to Northeast

    www.aol.com/weather/severe-thunderstorm-risk...

    The likelihood of thunderstorms, some packing severe weather, will expand from the Ohio Valley to the Northeast on Tuesday, before departing from wes Severe thunderstorm risk to stretch from ...

  5. Storm Prediction Center - Wikipedia

    en.wikipedia.org/wiki/Storm_Prediction_Center

    The Storm Prediction Center is responsible for forecasting the risk of severe weather caused by severe thunderstorms, specifically those producing tornadoes, hail of one inch (2.5 cm) in diameter or larger, and/or winds of 58 miles per hour (93 km/h) [50 knots] or greater. The agency also forecasts hazardous winter and fire weather conditions.

  6. Much of central US faces severe thunderstorm threat and ...

    www.aol.com/news/much-central-us-faces-severe...

    A large storm system hitting much of the central U.S. over the next few days is expected to bring severe thunderstorms to Kansas and Nebraska on Monday evening, the National Weather Service’s ...

  7. List of severe weather phenomena - Wikipedia

    en.wikipedia.org/wiki/List_of_severe_weather...

    Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.