Category Archives: climate science

April H4.5-ST = 0.80C

The average anomaly for April 2017 of HADCRUT4.5  using Spherical Triangulation (ST) is 0.80C. This is 0.06C higher than the standard 5 degree gridded result (0.74C). It is the years which have high Arctic anomalies which differ the most. Here … Continue reading

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Spherical triangulation of Hadcrut4.5 = Cowtan & Way

The spatial integration of irregular temperature data (CRUTEM4) using spherical triangulation removes any coverage bias.  I have made a spherical triangulation of the CRUTEM4 station data combined with HSST3 ocean temperature data. This is essentially Hadcrut4.5, but instead of using a (lat,lon) … Continue reading

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The Ed Hawkins zonal animation

There is a new animation by Ed Hawkins which shows a comparison of zonal mean temperatures with latitude, between observations and models. It is a very nice animation but it all looked a little bit too good to me, so … Continue reading

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