Sep 8, 2013 - Sep 14, 2013
daily average °F
30 year average
2013-09-08
77.05 °F
2013-09-09
72.8 °F
2013-09-10
69.75 °F
2013-09-11
66.65 °F
2013-09-12
66.25 °F
2013-09-13
59.3 °F
2013-09-14
71.25 °F
30 year avg.
66.65 °F
30 year avg.
66.25 °F
30 year avg.
65.8 °F
30 year avg.
65.5 °F
30 year avg.
65.1 °F
30 year avg.
64.75 °F
30 year avg.
64.4 °F
  • A study of a dozen of 2012's wildest weather events found that man-made global warming increased the likelihood of about half of them, including Superstorm Sandy's devastating surge and the blistering U.S. summer heat.
  • Coastal waters off California are getting more acidic. Fall-run chinook salmon populations to the Sacramento River are on the decline. Conifer forests on the lower slopes of the Sierra Nevada have moved to higher elevations over the past half century. That's just a snapshot of how climate change is affecting California's natural resources, a report released Thursday found.
Have you seen change this week?
  • Boulder and Longmont communities evacuate over 7000 people after being inundated by record rainfall. In the last 3 days, 24-hour rainfall totals of between 8 and 10 inches across much of the Boulder area were enough to qualify this storm as a 1 in 1,000 year event, meaning that it has a 0.1 percent chance of occurring in a given year.

    Question:
    What trigger in the Pacific sent tropical moisture patterns typical of the Gulf Coast over to Colorado and what triggered the low pressure that kept it there?
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  • It has entered my consciousness over the last few weeks that this has been a very good for those Asian elm trees everyone loves to hate. First I noticed that the new ones that spring up on roadbanks and in fencerows were having a banner year. Then I saw that the big, full-sized trees are looking very lush and glossy, where many years they look sort of ragged and bug-eaten. What's the difference?

    Question:
    Has the weather this year been particularly good for the elm trees, or has some factor suppressed insects that usually attack them.
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  • Drought expanding in Wisconsin: "Three months ago, we essentially had no drought," Hopkins said. "Apparently the heavy rain in the Madison area, our June rain was just about the most on record. All of a sudden, somebody decided to turn off the water." http://www.wisconsinagconnection.com/story-state.php?Id=1084&yr=2013

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  • Boulder area floods are a 1,000-year event. http://blogs.discovermagazine.com/imageo/2013/09/12/colorado-deluge-could-be-classified-as-a-1000-year-event/#.UjKTX5Dnaaw

    Question:
    How does this week's rain in Boulder area compare to historical records?
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  • eerie/wonderful stream of low-lying fog along I-70 this morning

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