Science

Severe Thunderstorm Alerts Across Multiple States

Severe thunderstorms swept across multiple U.S. states, bringing damaging winds, power outages, and flash flood threats amid intense summer heat.

leonard 4 min read · 1 year ago

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Late on Friday, July 25, 2025, a volatile storm system fueled by sweltering heat and tropical humidity triggered widespread severe thunderstorm watches and warnings across multiple U.S. states. The Storm Prediction Center (SPC) has placed much of the Northeast, parts of the Mid‑Atlantic, and segments of the Central Plains and Upper Midwest on high alert for potentially destructive thunderstorms, featuring damaging winds, hail, and flash flooding.

New England & Northeast under Watch

In Massachusetts and Connecticut, notably including the Boston metro area, a severe thunderstorm watch remained in effect until 9 p.m. EDT. This served as a precursor to expected storms with intense rain, gusty winds, and frequent lightning.

In Connecticut, the combination of persistent heat and tropical humidity pushed the heat index upwards of 105 °F, prompting a simultaneous heat advisory for the region. The storms developed in the humid air mass and moved slowly southeastward, earning the attention of meteorologists for their potential to produce damaging winds.