Figure 2

Very Brief El Niño Update – End of April 2015

Guest Post by Bob Tisdale The weekly sea surface temperature anomalies for the four NINO regions across the equatorial Pacific were at or above the +1.0 deg C threshold of a moderate El Niño, based on data for the week centered on April 22, 2015. The source of the data is the NOAA Monthly Atmospheric…

Figure 1

The 2014-15 El Niño – Part 23 – NOAA’s Forward-Looking El Niño Advisory Was Also Dictated by Conditions since Last September

Guest Post by Bob Tisdale After many months of borderline El Niño conditions in the tropical Pacific, yesterday NOAA finally declared an El Niño was occurring. See Anthony Watts’s post NOAA Claims: ‘Elusive El Niño arrives’ – the question is, ‘where’? at WattsUpWithThat. It includes a number of items like the announcement by NOAA, NOAA’s…

Douville-paper

Recent Paper Ends Abstract with “…Model Might Be Too Sensitive to the Prescribed Radiative Forcings”

Guest Post by Bob Tisdale The paper is Douville et al. (2015) The recent global warming hiatus: What is the role of Pacific variability? [paywalled].    The abstract reads (my boldface): The observed global mean surface air temperature (GMST) has not risen over the last 15 years, spurring outbreaks of skepticism regarding the nature of global…