National Weather Service meteorologist Steve DiRienzo said the "supercell" storms were "akin to what we see out on the Great Plains.”
Tornado warnings were posted for parts of Ulster and Dutchess counties as the storms rolled through, but no tornadoes were immediately confirmed. DiRienzo said the weather service received “spotty reports of damage in Dutchess and Ulster counties.”
Central Hudson reported about 4,600 power outages in its coverage area as of 5:45 p.m. Thursday, after the worst of the weather had passed. About 2,200 of the outages were in Dutchess Coun...y, and some 1,400 were in Ulster County. Central Hudson serves roughly 305,000 customers across an eight-county region.
DiRienzo said the National Weather Service issues tornado warnings “based on radar signatures” — when meteorologists “see spin in the atmosphere.”
"Updrafts inside a thunderstorm almost always have a rotation” but don’t always result in tornadoes, he said.
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