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Credit Tom Koerner, U.S. Fish and Wildlife Service The time between precipitation events in the West is increasing. That could have negative effects on ecosystems and wildfires. Joel Biederman, a hydrologist at the U.S. Department of Agriculture, said many scientists have looked at long term trends in rainfall and temperature. But this study was the first to examine the timing between precipitation events. "The changes in the total rainfall amount, a few percent [decrease] over the last 50 years. The changes in the temperature, fairly important, a few degrees [increase] over the last 50 year...

Arizona wildfire leaves a trail of destruction: Two hundred people are evacuated and 12 homes are destroyed The fire burned through thick vegetation at the bottom of the Gila River in Dudleyville, a census-designated place with a population of about 1,000 located about 60 miles north of Tucson  Officials said the fire continued on Thursday to an estimated 500 acres with containment around 20% of its perimeter as of Friday The National Weather Service in Tucson said that modeling shows that smoke the fire, combined with smoke from a nearby fire near Bylas, show that the 'considerable' smoke w...

Droughts longer, rainfall more erratic over the last five decades in most of the West The time between rainfalls have become longer and occurred more erratically in the last 50 years in the Southwest. Image shows a section of the Santa Rita Experimental Range site outside Tucson, Ariz. Photo byJoel Biederman -USDA ARS TUCSON, Ariz. — Dry periods between rainstorms have become longer and annual rainfall has become more erratic across most of the western United States during the past 50 years, according to a study published by the U.S. Department of Agriculture’s Agricultural Research Servi...

Copy Link Rainstorms grew more erratic and droughts much longer across most of the U.S. West over the past half-century as climate change warmed the planet, according to a sweeping government study released Tuesday that concludes the situation is worsening. In 2014, a drought drove hungry bears out of the woods and down to Lake Tahoe. (Courtesy of Nevada Department of Wildlife) The most dramatic changes were recorded in the desert Southwest, where the average dry period between rainstorms grew from about 30 days in the 1970s to 45 days between storms now, said Joel Biederman, a research hydr...

Continuation of ‘megadrought’ in U.S. West expected to lead to more wildfires, damaged crops: study Updated 9:01 PM; Today 9:01 PM FILE - In this March 10, 2021, file photo, a woman strolls along the beach under rain clouds in Seal Beach, Calif. Rainstorms grew more erratic and droughts much longer across most of the U.S. West over the past half-century as climate change warmed the planet, according to a sweeping government study released, Tuesday, April 6, 2021, that concludes the situation in the region is worsening. (AP Photo/Jae C. Hong, File)AP Facebook Share BILLINGS, Mont. — Ra...