“Climate Change” Could Make San Francisco Feel Like San Diego Or Something

Today’s scary story, though, how having the gorgeous weather of San Diego is scary, I’m not sure, but, hey, we aren’t actually supposed to ask those kinds of questions

Climate change could give San Francisco the climate of San Diego, scientists say

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In addition to a broad look at heating and cooling needs around the country, Petri and Caldeira also zeroed in on 25 major U.S. cities to see how some of the country’s most populous places could change in the future. They found that, as of now, San Diego is the most “comfortable” city temperature-wise, meaning it has the lowest number of combined heating and cooling degree days. Residents of Minneapolis are less lucky — their city is the least comfortable.

And, in fact, projections indicate that Minneapolis will stay the city with the greatest number of heating and cooling degree days. But San Diego, on the other hand, will lose its title to another California city if nothing is done about climate change. Under a business-as-usual trajectory, the researchers found that San Francisco will become the city with the least number of heating and cooling degree days in the country. “The fact that future San Francisco will be quite similar to San Diego is really quite interesting,” Petri says, as present-day San Francisco is known for having a much cooler climate overall.

So, this would be a bad thing? Really? Of course, it would mean that the average temperature for San Fran would have to rise about 6-7 degrees Fahrenheit to match San Diego. Give it 600-700 years, and that could happen, what with the average global temperature rising a measly 1.4F since 1850.

Under the same scenario, Los Angeles would heat up enough to match the number of cooling degree days currently experienced by Jacksonville, Fla. And New York City’s combined number of heating and cooling degree days will match that of present-day Oklahoma City, as it will both lose heating days and gain cooling days.

Hooray for computer models!

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2 Responses to ““Climate Change” Could Make San Francisco Feel Like San Diego Or Something”

  1. john says:

    wrong again Teach
    what is it with you and numbers???
    Global climate change will NOT increase all temps the same amount. Global climate change may in fact change local weather conditions in a wide variety of ways; temps. precipitation et al could increase or decrease, while the Earth itself gets warmer.
    Also Teach about that measly 1.4F rise since 18(50) most scientists use that temp rise beginning later in 1880
    And
    of that 1.4F increase over 135years 70% of that increase has happened in the 2nd half of that time frame, the RATE of temp increase NOW is much higher than it was in the first half of that time period. You might say that the increase during the second half was measly 2x dy/dx ??? remember The calculus rate of change?? ring a bell
    Leibniz?
    http://climate.nasa.gov/climate_resources/115/

  2. jl says:

    Sorry John, but you’re the last person who should lecture anyone at math. “That measly 1.4F rise since 1850 should be 1880. The rate increase is much higher now than the first half of the time period..” Good catch, John. Of course the issue, which has been repeated many times, is the causation of the alleged rise, not the rise. And being a math genius, you of course know that whatever has happened in 135 years doesn’t make any kind of a trend when the big picture is 4 billion years. And do you know what the rate of temperature changes were in all the other 135 year time frames within the last 4 billion years? You of course don’t, so there’s no way of knowing if this out of the ordinary or not. But back to main story: San Francisco “could” feel like San Diego..” How very scientific. Or, it could not.

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