Guest Post by Bob Tisdale

SEE UPDATE 1 AT END OF POST: I’ve provided a link to the slides from the teleconference and updated monthly and annual graphs.

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On January 15th, NOAA Communications notified the media Wednesday: NOAA, NASA to announce official analyses of 2015 global temperature, climate conditions.

WHAT: NOAA, NASA media teleconference call announcing 2015 global climate analyses – brief summary remarks – questions and answers WHEN: Wednesday, January 20, 11:00 a.m. – 12:00 p.m., Eastern Time (U.S.) WHO: Thomas R. Karl, L.H.D., director, NOAA’s National Centers for Environmental Information, Asheville, N.C. and chair of the Subcommittee on Global Change Research, U.S. Global Change Research Program Gavin Schmidt, Ph.D., director, NASA’s Goddard Institute for Space Studies, New York, N.Y.

See the NOAA webpage for links to the live audio, etc.

We already know NOAA and GISS will tell us that their much-adjusted surface temperature data showed record highs in 2015. We discussed and illustrated this in the recent post Meteorological Year (December to November) Global Temperature Product Comparison through 2015. There may be some minor differences, but the calendar year results won’t be noticeably different than the meteorological year data shown in Figure 1.

Figure 1

I suspect Tom Karl and Gavin Schmidt won’t bother to tell the public that lower troposphere temperature data were far from record highs in 2015, as we presented in the post Annual Global Lower Troposphere Temperature (TLT) Anomaly Update – Distant Third Warmest for 2015. See Figure 2.

Figure 2

And just in case you missed it, because GISS and NOAA both use NOAA’s ERSST.v4 “pause buster” sea surface temperature data, today I also published The Oddities in NOAA’s New “Pause-Buster” Sea Surface Temperature Product – An Overview of Past Posts.

I’ll update this post today as GISS and NOAA release their data and slides. So stop back regularly.

UPDATE 1:

The GISS LOTI data rose 0.07 deg C in December, 2015.

Figure 3

Not to be outdone, the NOAA NCEI data jumped a whopping 0.15 deg C last month.

Figure 4

Figure 5 is a comparison of the annual GISS LOTI and NCEI data, referenced to the base years of 1981-2010. The upticks in 2015 are listed on the illustration.

Figure 5

The NOAA/NASA Annual Global Analysis for 2015 is here in .pdf form.

I’ll provide a full update for December, 2015 in a few days

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