The weather, currently.
Takeaways for Chicago's weather:
1. Slushy spring snow
2. Windy start to the week
3. Much warmer by the weekend
We start the week off with rain and some slushy snow at times on Monday. Minor accumulations (generally under an inch) are possible on some grassy and elevated surfaces. Gusty winds will add insult to injury with highs only in the middle 40s. Drying out with some sun on Tuesday and highs bouncing back into the 50s but cooler lakeside. Some showers Wednesday with 50s again for highs but more sunshine and 60s by Thursday. Models suggest 70s possible on Friday and maybe even lower 80s by Saturday.
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What you need to know, currently.
Tree rings from centuries ago carry memories of catastrophes– wildfires, hurricanes, droughts and famines, to name a few– they may also hold clues about what climate events to expect in the future.
Rings reveal a tree’s age and what the weather was like during each year of its life. Light-colored rings are wood that formed in the spring and early summer and dark rings are from late summer and fall. Thin rings represent cold, dry years, while wide rings represent warm, wet ones. Pockmarks indicate a period of extreme cold and scars remain from fires that the tree has survived.
Essentially, the rings hold records of both weather and climate change.
The Laboratory of Tree-Ring Research at the University of Arizona is using its collection of 700,000 tree ring samples to reveal the future of the planet amid global warming and climate change.
“Climate variability drives tree-ring variability,” said fire ecologist and former director of the lab Thomas W. Swetnam to the Washington Post.
The lab’s dendrochronologists– scientists that use tree rings to study climate and atmospheric conditions during different points in time– assisted in a recent study on the 22-year-long drought that the Southwest has been experiencing, as the tree-ring data helped conclude that the megadrought was indeed the worst one in 1,200 years.
These small, thin slivers of wood will continue to record climate history and eventually, predict more and more of the planet’s future climate patterns.
— Aarohi Sheth