Strong mountain thunderstorms Tuesday

Jul 22, 2014 9:02 PM by Kris Kuyper

For the second day in a row, parts of the Valley saw a little summer rain. Even if you weren't lucky enough to get a bit of rain, everyone had clouds for at least part of the day, which kept our temperatures nice today. In Trinity/Siskiyou/far southwestern Shasta counties, strong thunderstorms erupted in the afternoon as a weather disturbance came in from the Pacific and interacted with the residual monsoonal moisture over us (with the help of the strong July sunshine). These storms produced locally very heavy rainfall, and near nickel sized hail. Local rivers & streams rose quickly with the rain, which doppler radar estimated between 2" to 5" in those areas! These thunderstorms will diminish after sunset Tuesday evening.

Wednesday looks much quieter, with just a slight chance of storms in Trinity & Siskiyou counties. The rest of the North State should be dry & mostly sunny... but temperatures will remain nice for one more day. High pressure begins to strengthen Thursday, and coupled with the winds shifting to the north, we'll see our temperatures begin to skyrocket. Valley highs will be near 100 by Friday, and we'll stay there this weekend.

There are signs of more subtropical monsoonal moisture coming back to us on Sunday & Monday, which could fire off more mountain thunderstorms then. The heat will continue into next week.


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