Monsoon Breaks Scorching Phoenix Heat

Even by the standards of the desert Southwest, the past several weeks there have been scorching. Phoenix had its third hottest June on record, with an average high temperature of 107.9°F (42.2°C), less than a degree below the top spot (108.6°F in 1974). There were 11 consecutive days at or above 110°F during the month, and only four days were

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The West Is on Fire As Heat Records Fall

From Phoenix to Boise, high temperature records fell like dominoes over the weekend as an impressive heat wave engulfed the western U.S., helping to fuel several wildfires. While heat waves are a regular part of summer weather, the steady warming of the planet means those heat waves are getting ever hotter, making record heat more and more likely

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More Hot Days Across the U.S.

Climate change is driving up summer temperatures across the country. We often talk about warming in terms average temperatures, which can be perceived as small to the public, but any rise in the average temperature leads to a rise in the the number of days that are extremely hot.

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After May Pause, Heat Set to Return

For much of the U.S., May brought a break from the string of months that have been much warmer than normal and even the warmest on record in many instances. But a heat wave set to sweep across the country will soon turn up temperatures again. Averaged nationwide, U.S. temperatures were very close to normal in May, although there were a few

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warming nights

Nights Are Getting Warmer Across the U.S.

While increasing extreme daytime heat is one of the clearest signs of a warming climate, low temperatures have also been increasing. In many cases, nighttime low temperatures are increasing more rapidly than daytime high temperatures. Take the first half of 2017, the second hottest start to the year on record for the U.S. From January-June, the

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phoenix heat

Monsoon Breaks Scorching Phoenix Heat

Even by the standards of the desert Southwest, the past several weeks there have been scorching. Phoenix had its third hottest June on record, with an average high temperature of 107.9°F (42.2°C), less than a degree below the top spot (108.6°F in 1974). There were 11 consecutive days at or above 110°F during the month, and only four days were

more
west heat

The West Is on Fire As Heat Records Fall

From Phoenix to Boise, high temperature records fell like dominoes over the weekend as an impressive heat wave engulfed the western U.S., helping to fuel several wildfires. While heat waves are a regular part of summer weather, the steady warming of the planet means those heat waves are getting ever hotter, making record heat more and more likely

more
tropical storm cindy

Cindy Generates Widespread 2-4 Foot Storm Surge

While Tropical Storm Cindy's torrential rains have grabbed the headlines, coastal flooding in Southeast Louisiana and Mississippi inundated some communities with saltwater. Cindy generated widespread 2-4 foot storm surges in the region, with a localized maximum exceeding 6 feet at Shell Beach, La. The highest storm surge levels occurred east of

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Tropical Storm Cindy

Tropical Storm Cindy Poses a Massive Flood Threat to the Gulf Coast

Less than 24 hours after the second named storm of Atlantic hurricane season formed, we have number three. Tropical Storm Cindy formed on Tuesday afternoon, continuing an active start to hurricane season. The storm is packing winds up to 45 mph, but it’s unlikely to strengthen much before making landfall along the Louisiana-Texas border. Cindy

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tropical storm cindy

Torrential Rains Will Overshadow A Minor Coastal Flood Event Along Northern Gulf Coast

A strengthening area of low pressure tracking towards the northern U.S. Gulf Coast developed into Tropical Storm Cindy on Tuesday. Torrential rains from Louisiana through the Florida Panhandle will grab the spotlight, as destructive winds should not develop and coastal flooding remains minor. The 7:00 a.m. National Hurricane Center

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This is how hot the United States could be in the future

Days Above 100°F: Projections

Average summer temperature have risen a few degrees across the West and Southern Plains, leading to more days above 100°F in Austin, Dallas and El Paso all the way up to Oklahoma City, Salt Lake City, and Boise. It’s worth noting that this trend has been recorded across the entire Northern Hemisphere, as show in this WXshift animation.

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big increase in extreme heat

Small Change in Average, Big Change in Extremes

To understand what’s happening with extreme heat, we need to get a little geeky and take you back to Stats class. The classic bell curve represents the distribution of all temperatures at a location. The bulk of temperatures — those close to average — sit near the middle of the curve. Record temperatures, which are rare,

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summer heat in birmingham

More Hot Days Across the U.S.

Climate change is driving up summer temperatures across the country. We often talk about warming in terms average temperatures, which can be perceived as small to the public, but any rise in the average temperature leads to a rise in the the number of days that are extremely hot.

more
summer heat

After May Pause, Heat Set to Return

For much of the U.S., May brought a break from the string of months that have been much warmer than normal and even the warmest on record in many instances. But a heat wave set to sweep across the country will soon turn up temperatures again. Averaged nationwide, U.S. temperatures were very close to normal in May, although there were a few

more
summer sun

Summer Is Hot, And Getting Hotter

June 1 marked the first day of meteorological summer in the Northern Hemisphere, time for beach trips, barbecues and sweating through summer’s heat. This hottest of all the seasons is getting even hotter as the planet warms from the increase in greenhouse gases in the atmosphere. Meteorological summer differs from astronomical summer, which is

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summer heat

Summers Are Getting Hotter

Happy meteorological summer! We examine the average summer temperature trend in these cities. Summers are trending hotter for 92 percent of the markets we analyzed, with locations in Texas and the Intermountain West experiencing the most warming since 1970. Additionally, we examined summer temperature trends in all of the NCEI climate divisions.

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