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Updated: Watch for thunderstorms in the Tri-Cities. Red flag fire warning issued

Know your thunderstorm types

Ever heard of the term 'supercell' but didn't know what it was? Learn about these powerful storms responsible for most tornadoes in the United States and other thunderstorms in this video from NWS.
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Ever heard of the term 'supercell' but didn't know what it was? Learn about these powerful storms responsible for most tornadoes in the United States and other thunderstorms in this video from NWS.

Summer thunderstorms are possible Wednesday afternoon or evening in the Tri-Cities, according to the National Weather Service.

Fire danger is rated as high in the Mid-Columbia, and a red flag fire warning has been issued because of possible lightning hitting dry grasslands from 1 p.m. to midnight Wednesday.

Fortunately, any thunderstorms may come with rain showers to reduce the chance of lightning-sparked fires spreading.

The weather service forecasts a 30 percent chance of thunderstorms and showers in the Tri-Cities Wednesday afternoon.

But by evening the chance increases to 60 percent for showers with possible thunder and lightning.

Temperatures will be cooling from a high of 86 Tuesday to a high of about 80 on Wednesday. Highs should cool to the mid 70s Thursday and Friday.

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