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Newton Narrowly Misses Becoming 6th Tropical Storm to Hit Arizona

Once-Hurricane Newton came very, very close to pulling off a rare feat in Arizona on Wednesday.

Tropical Storm Newton weakened to a Post-Tropical Cyclone just before crossing the international border between Arizona and northern Mexico on Wednesday afternoon, meaning it was just unable to become only the sixth tropical cyclone to hit Arizona in recorded history.

According to the National Hurricane Center (NHC), the circulation of Newton weakened to Post-Tropical status, saying, “based on the data available to us at (that) time, we do not think that Newton moved into southern Arizona as a tropical cyclone”.


This could be overturned on the NHC’s post-storm analysis in the next few months, but most likely Newton will not be credited with moving into Arizona as a proper Tropical Storm.

The last one to do so was Tropical Storm Nora in 1997.


Despite not officially being categorized as a Tropical Storm, Newton deluged Arizona and New Mexico with heavy rainfall on Wednesday, particularly around Tucson, which saw over an inch of rain on Wednesday alone. That number may not seem fairly high for someone outside of the Southwest, but Tucson averages only 11.56″ of rain a year.

Mostly minor flooding was reported on Wednesday from Newton, especially closer to the U.S.-Mexico international line.


The Eastern Pacific and the Atlantic basin are both relatively calm. In fact, as of late Wednesday night, no tropical cyclones were active worldwide, a somewhat rare feat for the typical climatological peak of hurricane and cyclone season in the Northern Hemisphere.

WeatherNation will continue to closely monitor the tropics as we approach the mid-point of hurricane season on September 10th.

For WeatherNation: Meteorologist Chris Bianchi

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