Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

At 407 PM EDT, Doppler radar indicated thunderstorms producing heavy rain. Several reports of significant street flooding have been reported in Northampton. Between 1 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Holyoke, Amherst, Northampton, South Hadley, Easthampton, Belchertown, Granby, Southampton, Hadley, Sunderland, Hatfield, Williamsburg, Shutesbury, Westhampton, Whately and Pelham.