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Weather and Climate

A solar array used by Tucson Electric Power to add renewable energy to the grid, August 2019

Electric grid holding up as temperatures soar

Jun 15, 2021 Utility urges customers to time appliance use carefully.
The Bureau of Land Management used prescribed burns across many of its properties for habitat improvement and to reduce the risk of severe wildfires.

Crews make steady gains on wildfire in rural Arizona

Jun 13, 2021 Despite progress, several communities are still being told to be ready in case of evacuation.
Arizona Governor Doug Ducey sits for an interview with Arizona 360 in his office at the Arizona Capitol on Jan. 13, 2021.

Governor tours Arizona fires, calls for special session

Jun 10, 2021 Ducey wants the Legislature to approve extra money to ensure that firefighters have the resources they need
Lake Mead outside of Las Vegas.

Key reservoir on Colorado River expected to match record low

Jun 9, 2021 Dropping surface level at Lake Mead continues to drop
Rain clouds near Tubac, July 2019.

Monsoon or nonsoon? Hard to say

Jun 8, 2021 Forecasters say chances are even for good or bad monsoon this year.
The Bureau of Land Management used prescribed burns across many of its properties for habitat improvement and to reduce the risk of severe wildfires.

Rural Arizona residents wait as wildfire spreads uncontained

Jun 8, 2021 The so-called Telegraph Fire, straddling two counties, has burned 112 square miles and was at zero containment Tuesday
Flames from the Obi Fire run parallel to a highway. Lightning sparked the fire near Walhalla Plateau in Arizona on July 21, 2018.

Arizona wildfires prompt evacuation orders, advisory notices

Jun 3, 2021 Evacuations were ordered for areas on the San Carlos Apache Reservation and residents of Superior were advised to prepare for possible evacuation
A wind turbine.

TEP brings new renewable energy solar system online this month

May 4, 2021 With the addition of two new energy systems about 26% of TEP's power will be from renewable sources.
2018's Hurricane Florence as seen from the International Space Station.

Hurricane predictors forecast busy 2021 season

Apr 27, 2021 UA group has been on target about storm predictions since 2014.
Old Main on the University of Arizona campus.

UA ready to have all purchased renewable power in May

Apr 27, 2021 The university says the move will cut greenhouse gases by a third and save millions in the long run.
Cracked earth in the Joshua Tree National Park, where the National Park Service says severe drought and warming temperatures will likely affect the populations and home ranges of many species.

White House announces group to address drought in the West

Apr 22, 2021 The interagency group will work with federal, state, local and tribal governments to tackle the water shortages.
Elise Osenga maintains one of Aspen Global Change Institute's 10 soil moisture monitors. Researchers use data from stations like this one to figure out how much snowmelt and precipitation will reach rivers and streams.

When water is scarce, some researchers go underground to find out why

Apr 6, 2021 The amount of moisture held in the ground can play a big role in how much water makes it down to rivers and reservoirs.
The sun shines harshly behind a saguaro cactus.

Low saguaro reproduction numbers at national park in Tucson

Apr 4, 2021 Drought cycle that dates to the mid-1990s thought to be responsible
Traffic in Phoenix with the city's downtown skyline in the distance.

New coalition pushes for Arizona to shift to clean energy by 2050

Apr 1, 2021 Dozens of businesses, cities and organizations have joined the effort to reduce carbon emissions.
Visitors take in Colorado River views at Horseshoe Bend outside Page, Arizona.

A Colorado River showdown is looming. Let the posturing begin

Mar 23, 2021 The states that draw water from it are about to undertake a new round of negotiations over the river’s future.
A changing climate is prolonging and intensifying heat waves, scientists say, driving wildfires.

Arizona officials warn of bad 2021 wildfire season

Mar 22, 2021 This year's wildfire season has the potential to be devastating due to widespread drought

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