Monthly Archives: April 2015

Climate Letter #391

El Nino forecast update. Current data provided by NOAA and others now shows signs of early stages of a moderately strong El Nino developing this year. That would almost certainly make 2015 unequivocally the warmest year ever recorded, following the marginal … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #391

Climate Letter #390

Methane spikes in the far north remain troublesome. Recent data from NOAA is discussed in this post from Robert Fanney. A high concentration at a certain location and a certain level of the atmosphere has limited greenhouse effects but still … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #390

Climate Letter #389

Worries about unusual warming found on high altitude mountains. This is just coming to light, because of an absence of systematic tracking in the past. There are many negative implications, among which “…..this store of winter snow and ice becomes … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #389

Climate Letter #388

From carbon sink to carbon source. This story adds more detail to our recent post showing that plant growth cannot keep pace forever with CO2 growth. It also sheds light on the next step, why carbon stored in soils and … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #388

Climate Letter #387

New research concerning the future effects of water vapor and cloud cover. This work comes from Kevin Trenberth, a recognized elite climate scientist. The most important finding is that future warming will change cloud cover in a way that adds a … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #387

Climate Letter #386

Climate history: Was there another global mass extinction? There is some evidence of such, one we should keep separate from the Permian extinction although it was closely related in time. The likely cause, from a well-studied source, would have involved … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #386

Climate Letter #385

How a group of high-profile scientists see this year’s upcoming climate negotiations in Paris. These folks are telling the government representatives what they are obligated to accomplish, in the best interests of humanity, based on the best knowledge that science … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #385

Climate Letter #384

Insurance companies understand risk better than anyone, and they are speaking up about it. Their latest message says more money should be spent on making preparations for disaster, helping cleanups become less costly. That will require a change in certain … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #384

Climate Letter #383

Update on the permafrost emissions feedback potential. This is a quite thorough review of an even more thorough recently published review of the immense amount of research that has been concentrated on this subject. There are many interesting conclusions, the … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #383

Climate Letter #382

Hot temperatures in Siberia are causing terrible wildfires. Being far to the north, Siberia is very much a participant in the extraordinary heating of the whole Arctic region. Some extreme and enduring temperature anomalies have been reached, along with dryness … Continue reading

Posted in Daily Climate Letters | Comments Off on Climate Letter #382