At 6:31 p.m. on Friday, the National Weather Service released an updated flash flood warning in effect until 8:30 p.m. for Hampden and Hampshire counties.

"At 6:31 p.m., Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly," says the weather service. "Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas."

Locations impacted by the warning include Springfield, Chicopee, Westfield, Holyoke, Amherst, Northampton, Agawam, West Springfield, Ludlow, South Hadley, Easthampton, Longmeadow, Belchertown, Wilbraham, Ware, Southwick, Granby, Southampton, Hadley and Hardwick.

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