Severe Drought Has Declined With Increasing CO2

Posted on May 26, 2011 by Tony Heller

Severe drought peaked in the 1930s, with as much as 80% of the country experiencing moderate to extreme drought. Currently, the percentage of the US experiencing drought is about 1/3 of that.

http://www.ogc.doc.gov/

About Tony Heller

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6 Responses to Severe Drought Has Declined With Increasing CO2

  1. Andy Weiss says:
    May 26, 2011 at 1:49 am

    Another chart that shows increasing CO2 correlates with very little in the way of adverse weather.

    Reply
    • John T says:
      May 27, 2011 at 5:53 pm

      In fact, in many cases it seems just the opposite -higher CO2 is correlating with less severe weather when it comes to hurricanes, drought, tornadoes… just about everything but blizzards. I’m still very disappointed my winter heating bills aren’t going down yet. But at least I haven’t had to run my home air conditioner yet this year…

      Reply
  2. Dan Zeise says:
    May 26, 2011 at 2:38 pm

    Steve
    Thanks for this post. I have already read some MSM articles pointing to the current severe drought in Texas as being one of the worse droughts in the history of Texas so I actually started researching Texas drought history and I recognized the severe Texas drought from 1950 to 1956. I expect the climate cult will use the current drought in Texas to bang the drum for immediate action to curb that nasty CO2. Always good to have the facts.

    Reply
  3. shempus says:
    May 27, 2011 at 8:31 pm

    Seems that it varies with a periodic sort of regularity, though the peak amplitudes have varied alot. That could lead one to suspect more natural causation.

    Reply
  4. Zach says:
    May 28, 2011 at 4:21 am

    This chart does not show conclusive data….

    A. The resolution on this chart looks to about 2 months. Therefore, in two months the US could have a spike, and we could be really dry, or be really wet. You need to show clear trending, not just data points.

    B. Even though the logic that increase temperatures would lead to more evaporation and more “dry land” makes sense, it isn’t always the case. Increased evaporation off the ocean will lead to more cloud formation, and then rain inland. Some areas of the US will see more rain, some will see less.

    C. Don’t compare extrema. Look at averages and standard deviations, as well as skews. Be methodical.

    All information is good information, if you use it right. This time, no assumptions can be made with the raw data.

    Reply

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