Earlier this year, scientists at the NOAA Mauna Loa Observatory in Hawaii announced a major threshold in the Earth system had been crossed: the concentration of the greenhouse gas carbon dioxide in Earth’s atmosphere has now passed a level not seen in the last 3 million years.
Much of the heat that was supposed to fire up the globe’s air in the past 15 years — but didn’t — has gone into the ocean, a University of Arizona oceanographer said Friday.
Tucson hit 100 degrees at 2:39 p.m. Tuesday — tying the streak of 39 days of 100 degrees or higher, says the National Weather Service.
A severe thunderstorm warning was issued this afternoon south of Tucson, especially over Green Valley.A radar image from the National Weather Service this afternoon showed storms all across eastern Pima County, including the Tucson metro area.Storm activity was also prevalent in Cochise and …
Get ready for a windy cool down in Tucson starting Monday.
The National Weather Service has issued a winter storm warning in effect through 11 p.m. Wednesday. The storm is expected to bring showers and snow Wednesday — with some blizzard conditions possible in mountain areas — and much colder temperatures. Wind gusts of nearly 40 mph are likely.
Widespread showers and snow are coming down on Pima County, including reports of snow in Vail, Green Valley, Oracle and SaddleBrooke. The Mount Lemmon Highway closed Monday night except for residents who have 4-wheel drive or chains.
If climate predictions are correct, it will become hotter, drier and dustier in Arizona over the coming decades. That means giant dust storms like the recent haboobs in Phoenix and Tucson will become more frequent.
A dust storm moves through a mine-tailings site near Dewey-Humboldt, where University of Arizona researchers are studying dust storms and weather.
Sunday's high temperature of a bazillion friggin’ degrees at Tucson International Airport set a record for Aug. 12, Lucifer said. The previous high was set in 1993 in the sixth level of hell.
Tucson's resident lightning expert Ron Holle of VAISALA provided the Star with a map that shows the location of Tuesday's 1,484 cloud-to-ground lightning flashes during the early evening.
This morning's forecast from the National Weather Service in Tucson predicts a good chance of rain throughout the day, with diminishing storms tonight.
Who can forget this past February's record low evening
temperatures and burst water pipes? According to the National
Oceanic and Atmospheric Administration, we should prepare for more
of the same this winter.
It is the worst of times. It is ridiculously hot. It is
uncomfortably humid. And it's not raining nearly enough to make
enduring such nonsense worthwhile.
If monsoon thunderstorms have left your Tucson neighborhood a
haven for broken tree limbs, fallen palm fronds and other debris,
then consider the Neighborhood Clean-Up Program from the city of
A monsoon storm swept through Tucson on Thursday evening,
flooding washes and streets, causing rock slides on the Catalina
Highway and shutting down roads throughout the area.
July was hot - just as you might have expected. The National
Weather Service's Tucson Weather Forecast Office recapped the month
in a report released Monday. Here's how July breaks down:
July was hot — just as you might have expected. It was the 16th
hottest on record; and through seven months, 2011 is already the
19th warmest recorded.
We're 37 days into the 108-day monsoon, and here's an update on
how much rainfall we've seen around Tucson.