Thunderstorm warning in effect - NBC Right Now/KNDO/KNDU Tri-Cities, Yakima, WA |

Thunderstorm warning in effect

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KENNEWICK, Wash. - The National Weather Service has issued a severe thunderstorm warning for Morrow County, Northern Umatilla County and Southern Benton County. The Service Doppler Radar indicates the thunderstorms are producing quarter size hail and damaging winds in excess of 60 miles per hour. The warning is in effect until 6:15 p.m.