Monsoon 2013

Jul 2, 2012 11:16 AM

Most active week of the Monsoon on tap

TUCSON - Time to dig out the umbrellas & come up with a Plan B for the 4th of July.

Monsoon storms are back in the forecast, according to News 4 Meteorologist Jeff Beamish. The set-up over the next few days is Monsoon moisture teaming up with a low pressure trough moving in from Mexico. This afternoon, expect isolated thunderstorms to develop across southern Arizona. While a few storms are possible in Tucson, most should stay confined to the International Border today.

Today's Monsoon Prediction Index (MPI) sits at a 3, with a slight chance of a storm turning severe.

Storm chances ramp up as low pressure moves closer to the state. Scattered thunderstorms develop tomorrow afternoon and evening with widespread storms possible for the 4th of July. Storms will be capable of gusty winds and heavy rainfall. Through Wednesday, most of southern Arizona will see 1-2" rain, leading to some potential flooding issues. Due to the flooding threat, the Monsoon Prediction Index for Tuesday and Wednesday sits at 6 & 9, respectively.

Tucson's high temperatures the next few days range from the 100's today to the low 90's by the 4th.

The rest of the week features a slight downturn in thunderstorm development, as low pressure moves away. We'll see a daily round of isolated storms Thursday into the weekend.

For a complete look at Jeff's True View 4 extended forecast, visit KVOA.com/weather. Track this week's storms from your computer with the KVOA.com Interactive Weather Map. For instant Monsoon storm alert updates directly to your cell phone, text "MONSOON" to 95990.

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