Maricopa County sets heat death record in 2023
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The Maricopa County Health Department says 645 people died last year because of the heat, which far surpasses the previous record of 425 set in 2022.

Earth sets heat records for 9 straight months as February 2024 goes down as planet’s hottest

February 2024 was the hottest February on record for the world, which makes it the ninth month in a row to be the hottest on record, the European Union's Copernicus Climate Change Service announced Tuesday.

Where, how often does lightning strike in US? New report explains

A research team used six years of data from the National Lightning Detection Network to study where and how often lightning strikes occur in the U.S.

Arizona health department names first statewide heat officer

Arizona’s health department has named a physician to address ways to lessen the effects of extreme heat in the arid Southwestern state as the first statewide heat officer in the nation.

Winter dust storm moves through Phoenix
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It's not monsoon season yet, but the Phoenix area did get some blowing dust Wednesday afternoon.

Texas wildfires force brief shutdown of US nuclear weapons facility

Texas wildfires forced the temporary shutdown of Pantex, the U.S. main assembly and disassembly site for its atomic bombs.

Why is it so hot?

These three things may explain why the U.S. is experiencing such warmer weather.

Which US counties are most at risk of tornado damage?

The central and southern U.S. have the highest tornado risk, according to FEMA, but major cities have the highest total expected dollar loss.

Chicago among 48 million at risk of severe weather from powerful cross-country storm

A powerful cross-country storm is expected to begin impacting the U.S. with heavy mountain snow in the West starting later Sunday, but as the storm advances off to the east, it will bring the risk of severe weather to major cities in the Midwest like St. Louis, Chicago and Indianapolis by Tuesday.

Avalanches reported in northern Arizona during storm
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The San Francisco Peaks near Arizona Snowbowl had a massive storm roll through the first week of February. With it came over a dozen avalanches. FOX 10?s Kenzie Beach caught up with experts on the mountain and how the Kachina Peaks Avalanche Center is constantly monitoring the terrain.

Extreme weather, flooding influencing where millions in US decide to live, research shows

As people choose different areas to move to and try to get away from flooding hazards, storms with relentless precipitation are continuing to impact several U.S. regions, and it’s taking its toll on infrastructure.

How much snow has to fall for DC's Metro to shut down?

A winter storm impacted the Northeast Tuesday, as a mix of rain and snow worked its way into the D.C. area.

Nor'easter brings lots of snow, and trouble for travelers
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A Nor'easter is bringing a lot of snow to the northeast Tuesday. The weather is creating a mess for drivers and causing more than a thousand flight cancellations. Fox News' Connor Hansen has more.

How much snow has to fall for NYC's subway to shut down?

New York City's subways and trains could be shut down in a bad snowstorm. Here’s what you need to know.