LANCASTER, PA — Severe thunderstorms moving through southeastern Pennsylvania over the weekend brought wind gusts as high as 70 mph, an intensity meteorologists called unusual for the region.
The storms left some residents shaken and renewed attention on how dangerous severe thunderstorm warnings can be when they involve high-end wind damage.
What made these storms stand out?
Chief Meteorologist Christine Ferreira said the National Weather Service has issued 2,070 severe thunderstorm warnings in the region over the last 10 years, but fewer than 10% involved storms capable of producing winds this strong.
She said that history shows how rare this kind of event is, noting that about 9% of the warnings were for storms that could produce winds like those seen this weekend.
How did residents experience the storm?
For Manheim Township resident Amy Souder, the conditions were alarming as the storm intensified around her home.
She said it felt as if her house might be lifted and moved, and she feared for her family’s safety because of several large trees on the property.
What do meteorologists say may be driving stronger storms?
Experts said warmer temperatures may be one factor in stronger thunderstorms, but they emphasized that the science is not simple and that the broader connection remains uncertain.
Penn State meteorology professor Jon Nese said the link between climate change and trends in thunderstorms and flooding is “tenuous at best.”
Why are officials urging people to treat warnings seriously?
Ferreira and Nese both stressed that severe thunderstorm warnings deserve attention because the damage can be serious even when a tornado is not confirmed.
Ferreira said severe thunderstorms can produce winds as strong as tornadoes, while Nese noted that tornadoes can leave very narrow tracks and sometimes may not be noticed right away.
Their message was simple: when warnings are issued, people should take protective action without waiting to see how bad the storm becomes.
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