Phoenix weather: A few thunderstorms possible

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PHOENIX -- It looks like we'll have one more chance Tuesday night to see some thunderstorms around the Valley. After that, we expect the rain to shift easterly and for things to get drier and warmer around metro Phoenix.

Already on Tuesday, Flash Flood Warnings were posted in western Arizona. It's the second consecutive day of rather heavy rain in portions of Yuma, La Paz and Mohave counties. Tonight, we expect that activity to ease somewhat.

If we get any storms in the Valley tonight, it's likely they'll drift in from the south. However, it will be the kind of evening where thunderstorms could pop up almost anywhere. Currently, the National Weather Service puts the chance for precipitation at 20 percent for metro Phoenix Tuesday night.

As we come to the end of July, we're hopeful the monsoon won't do what it did last year, essentially shut down in August and September. We had less than 0.2 inches of rain in August and September 2011, which put our overall monsoon rainfall below normal for the season. And while there are no specific indications that will happen, it's possible.

As we transition from La Niña slowly toward El Niño, the weather can get very interesting. For Arizona, so-called ENSO-neutral weather can cause quick weather pattern changes.

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