Scientists probe mystery of ‘thunderstorm asthma’ event that sent thousands to the ER – Livescience.com

Calls to emergency departments spiked in the wake of a thunderstorm that swept over Melbourne, Australia, in 2016. It was a rare outbreak of “thunderstorm asthma,” the most severe ever recorded. 
Now, a new model, published April 14 in the journal PLOS One
, hints that a combination of lightning strikes, wind gusts, low humidity and popping pollen grains may be to blame for the surge of asthma
attacks following the storm
, which contributed to the deaths of 10 people. 
As the name suggests, thunderstorm…

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