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You are browsing the archive for 2011 July.

19 July 2011

Plains Heat is Moving East, While Iowa & Minnesota Melt Under Extreme Heat

The intense upper level high responsible for the heat in the Plains will move eastward later this week, with heat indexes over 115 are very possible in the Washington, DC area. There are some signs that the heat will abate somewhat next week, especially east of the Mississippi, but the Southern Plains will continue to bake. I saw an 80+ dewpoint in North Dakota yesterday- amazing. Minneapolis tied their highest all time dewpoint at 81F (27.2C).

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18 July 2011

The Lake Breeze Around Lake Erie

  My fellow AGU blogger John Freeland (over at Terra Central) spotted this gorgeous pic of the lake breeze around Lake Erie and sent it my way. I love images like this because they illustrate an atmospheric circulation that many people are familiar with, especially those who live near the coast, or around the Great Lakes. It was one of the first pieces of atmospheric science I understood well (as …

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17 July 2011

Derek Bok: “If you think education is expensive, try ignorance”

Nicholas Kristoff’s piece in the NY Times is a must read today. Click the image to visit the old gray lady:

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14 July 2011

7th Warmest June on Record- NOAA/NCDC

  From the National Climate Data Center today: The combined global land and ocean average surface temperature for June 2011 was the seventh warmest on record at 60.94 F (16.08 C), which is 1.04 F (0.58 C) above the 20th century average of 59.9 F (15.5 C). The margin of error associated with this temperature is +/- 0.13 F (0.07 C). Global Temperature Highlights: Year to date The combined global …

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Yes, The Heat is Bad, But It’s Going to Get Worse

The torrid heat is going to get worse next week. Much of the Plains is suffering through the hottest summer since 1980 and Texas is enduring a drought that is now called exceptional. In the Southeast the heat index hit 115° (46C) in Greenville, MS. on Wed. and Poplar Bluff in Mo. beat that with 118° on Monday. The heat is being made much worse in the Eastern U.S. by …

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12 July 2011

Folks in The Windy City Learn What A Derecho Is

The official definition of a derecho from the AMS Gloassary: derecho—A widespread convectively induced straight-line windstorm. Specifically, the term is defined as any family of downburst clusters produced by an extratropical mesoscale convective system. Derechos may or may not be accompanied by tornadoes. Such events were first recognized in the Corn Belt region of the United States, but have since been observed in many other areas of the midlatitudes. Johns, …

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11 July 2011

Tom Vandyck Gets It Right

While I still see some of the “he said/ she said” type journalism on climate science in the U.S. media, I agree with the thrust of Tom Vandyck’s piece that the coverage of climate science is improving, and more accurately describes the overwhelming consensus. There are some notable exceptions, especially in smaller media markets, and of course on Rupert Murdoch’s outlets like Fox News and the Wall Street Journal (Including …

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9 July 2011

A Very Hot Wind Is Sweeping Down The Plain

Oklahoma is baking this afternoon! Temps last hour were above 110 at several locations and according to Gene Tyner at the NWS forecast office in Norman: “June was one of the hottest months in recent memory for Oklahoma and the hottest June on record in the west central and southwest part of the state where the average daily maximum temperature was above 100 degrees for the month. The average daily …

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8 July 2011

Symphony of Science- The Story of Us

On the day that the last space shuttle climbs through the Florida skies, this is an especially poignant video to post. I cannot help but wonder if historians 75 years from now will mark this day as the end of the American century. A century of innovation and exploration unmatched in history. Let’s hope not, but either way man will continue to explore the unknown, because we are the most …

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7 July 2011

It’s Called A Haboob

In case you have not seen the great haboob that hit Phoenix Tuesday night. It was caused by strong winds (over 55 knots) flowing out of thunderstorms . The video is pretty incredible. Scott Lindstrom has a great post showing the view from GOES of the Arizona storms as well with a nice MCV as a result. What’s an MCV? Read Scott’s post! Physicist Joe Romm has an interesting post …

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