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Weather and Climate

Freezing Temps Hit Southern Arizona Early

Nov 12, 2015 The mercury dipped into the teens in areas last night.
Snow collects on cactus on Tucson's northwest side.

AZ WEEK: El Niño to Bring Colder Days, Rain to Arizona

Oct 23, 2015 Occasional weather pattern warms Pacific Ocean, has global implications.

2015 May Be Hottest Year on Record in Arizona and Globally

Oct 22, 2015 Night-time and winter temperatures in the state run higher than normal, readings show.
The West, South and mid-Atlantic are expected to have greater than normal precipitation over the 2015-2016 winter due to the effects of an El Nino.

El Niño’s Above-Average Rains Won’t Wipe Out Drought

Oct 15, 2015 Winter weather phenomenon expected to be one of three strongest.
Collecting sediment cores aboard a ship.

UA Study: Climate Change to Cause Drier Horn of Africa

Oct 9, 2015 Vulnerable area depends on rainfall for crop production
Snow collects on cactus on Tucson's northwest side.

Forecast: El Niño Winter Could Bring Snow on Cactus

Oct 7, 2015 Monsoon was normal; strong El Niño storms likely on the way in February, March, April.
Five years' difference shown in satellite images of California's snowpack.

UA Research: Sierra Nevada Snowpack Lowest in 500 Years

Sep 14, 2015 Runoff from winter snowfalls provides California with 30% of its water supply.

UA Hurricane Watchers Predict More Storms This Year

Aug 27, 2015 Researchers still expect six Atlantic hurricanes during next two months
The north slope of Mt. Bigelow in the Coronado National Forest.

Forests Worldwide Vulnerable to Drought, UA Researcher Says

Aug 27, 2015 UA scientist contributes to climate change findings
A monsoon storm forms over East Tucson.

Sunday Storms Slow Two Tucson Area Wildfires

Aug 24, 2015 Blazes burning in Catalinas, Santa Ritas lose speed after recent monsoon downpour.
Heavy rainfall from a monsoon storm floods an intersection in east Tucson.

Monsoon Rains Expected to Pick Up after Slow Start

Aug 12, 2015 Forecasts show high chance of above-average precipitation for rest of the season
Ralph Anderson of Arizona Beeman Drilling says his business is booming.

Drought Means Well-Drilling Boom in Groundwater Quest

Aug 11, 2015 Arizonans tapping into hundreds of billions of gallons stashed underground as shortage nears.

Monsoon Season Can Make Pets Stressed

Jul 27, 2015 Pima Animal Care Center says loud thunder, heavy rain can frighten animals
Monsoon clouds build.

Sluggish Monsoon Season Expected to Pick Up

Jul 23, 2015 Tucson's rainfall below normal, other areas seeing increased precipitation
Construction projects move forward in tough economy

ADOT: No Estimate for Reopening I-10 in California

Jul 21, 2015 Eastbound bridge 45 miles west of Arizona washed out during weekend storms
Monsoon clouds over Santa Catalina Mountains.

Meteorologist: Incoming Storm is Start of Monsoons

Jun 24, 2015 Weather system will likely bring heavy winds, heavy rain by the weekend

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