WESTCHESTER COUNTY, N.Y. -- Residents of Westchester County could see some brief thunderstorms over the next couple days. But in the summertime, that's hardly rare, and a local meteorologist explained why.
Gary Lessor, assistant to the director of meteorological studies and the Weather Center at Western Connecticut State University said that the brief storms on Monday night, July 7, were caused by a cold front coming from Western New York and Pennsylvania, which rapidly lost atmospheric support as it moved into the area.
Summer thunderstorms are generally caused by cold fronts and troughs of low pressure moving through the area. As the atmosphere condenses it can lead to precipitation and thunderstorms as we've been having over the past few weeks. The thunderstorms can be scattered, depending on the situation, and can range from light rain and flashes of lightning to hail and tornadoes.
"The more atmospheric conditions you have battling at one time, the more severe the storm will be," Lessor said.
Thunderstorms should continue for the next couple days, Lessor said, with about a 45 percent chance of some wind and possibly even hail on Tuesday. There is about a 20 percent chance on Wednesday, and then the skies should remain clear until Sunday, with more thunderstorms on Monday or Tuesday, July 14 and 15.
Lessor said Wednesday will be partly sunny, with temperatures in the mid- to upper-80s and moderate humidity. Thursday will be partly sunny, slightly less humid, with a slight chance of rain. Friday is expected to be partly sunny and pleasant. Saturday will be mostly sunny with temperatures in the upper 80s, and Sunday will be humid, with some showers possible late in the day.
"As we go through the next two weeks, the precipitation average will be above normal," Lessor said. We should see between 2 and 2.5 inches of rain, when it would normally be about 1.5 inches, he said. Temperatures will be close to seasonal levels, with no extended heat waves expected.
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