Uncommon Early June Rainfall Expected to Drench Phoenix: What You Need to Know!

A storm near Baja California is heading toward the Southwest U.S., bringing remnants from post-tropical storm Alvin. This system is unusual for this time of year, promising rare thunderstorms and heavy rain, especially in southeast California, southwest New Mexico, and southern Arizona, including Phoenix.

The region is in desperate need of rain after a dry winter. Meteorologist Mark O’Malley from the National Weather Service in Phoenix noted, “For this time of year, this is quite unusual.” Typically, measurable rain in Phoenix during the first week of June is rare; records show it has happened only 21 times since 1896, and usually, there’s no rain at all.

There’s a 75% chance that rain will fall on Sunday afternoon or evening in Phoenix. This storm could bring half an inch of rain or less than that just a few miles away. The unusual pattern means that much of the Southwest, including southern Nevada and parts of the Rockies in Colorado and Utah, could see rain and thunderstorms through Monday.

Meteorologist Peter Mullinax remarked, “There’s not just a chance of rain; rain is likely.” However, there’s a risk of flash flooding, particularly in southern Arizona, which is under a ‘marginal risk’ alert. Minor flooding could affect roadways in the greater Phoenix area.

Historically, storms in late spring are often dry, with real rain typically arriving with the monsoon season starting on June 15. But this storm is different. The moisture being pulled in from Alvin sets it apart, enhanced by strong southerly winds moving the tropical moisture northward.

As we reflect on these weather patterns, it’s clear how changing climate conditions could lead to more unusual and extreme weather events. In a recent study, researchers found that heavy rainfall events in the Southwest have increased by about 27% since the 1950s. Understanding these shifts is crucial for preparing communities for future weather challenges.

In conclusion, residents of the Southwest should keep an eye on the weather this weekend. Prepare for unexpected storms, as they might just deliver the moisture the region desperately needs.



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Rain,Weather,Floods,Drought,Arizona,Phoenix (Ariz)