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    Global climate change

    Coolest March since 1994

    4/08/2011, 5:05:09 AM

    Remote Sensing Systems has released their satellite measured temperature data for the month of March 2011.

    March 2011 ended up as the coolest March globally since March of 1994. The actual global temperature anomaly for the lower troposphere last month was negative 0.026 C.

    This is also the first month since June of 2008 that the global temperature anomaly was in the negative.

    The RSS image below gives you a visual of where the warmer and colder than normal regions were across the globe for March 2011.


    590x363_04081357_ch_tlt_2011_03_anom_v03_3


    As you can see, much of the southern U.S. and Mexico was unusually warm, along with northeast Asia. Much of western Canada and Greenland experienced below normal temperatures.

    La Nina was still in control across the equatorial Pacific with a large area of cooler than normal sea surface temperatures which helped keep that region in the blue.

    More specifically, the Arctic region was well above normal for March, coming in at +1.387 C, while the continental U.S. was close to normal with a temperature anomaly of plus 0.073 C.

    You can see the actual data right here.

    Despite the recent cooling, the decadal temperature trend for the lower troposphere remains upward at + .145 C. (see image below)


    590x189_04081403_sc_rss_compare_ts_channel_tlt_v03_3


    ---------- Acknowledgement MSU/AMSU data are produced by Remote Sensing Systems and sponsored by the NOAA Climate and Global Change Program. Data are available at www.remss.com.

    The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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    Brett Anderson

    Global climate change

    In the AccuWeather climate change blog, you will find links to the latest research and commentary by experts with various points of view.