Posts tagged ‘temperatures’
Scientists say they are shocked and stunned by the “unprecedented” NASA temperature figures for February 2016, which are 1.65°C higher than the beginning of the twentieth century and around 1.9°C warmer than the pre-industrial level.
Stefan Rahmstorf of Germany’s Potsdam Institute of Climate Impact Research says we are now “in a kind of climate emergency”. Read his latest article at The Conversation: February’s global temperature spike is a wake-up call.
Like the dramatic and unexpected “big melt” in the Arctic in 2007, we are now in another moment of terrifying climate reality, for Nature cannot be fooled. The recent data suggests it has taken just three months for the Paris climate accord — with its escalating emissions to 2030 — to become a relic, completely disconnected to the task the world now faces.
So what is the reality after Paris?
David Spratt, a member of Climate Action Moreland, has just published this new discusion paper.
Climate Reality Check – After Paris, counting the Cost.
Download the report at Breakthrough
Welcome to the endless Australian summer of 2016, where on March 2nd Australia set a new area average maximum temperature record of over 38C for March. Overnight on the 9th/10th March Melbourne experienced its warmest March night on record with the lowest temperature of 27.7C at 8.45am, although much of the night temperatures hovered around 30C.
Confirmation from NASA, NOAA and UK Met Office that 2015 was the hottest year yet recorded. But 2016 is likely to exceed this record. Ocean heat uptake and warming sea surface temperatures continue apace. For Australia, 2015 was a fifth warmest year on record according to the Bureau of Meteorology.
For us here in Moreland and Melbourne it is likely to increase the probability of extreme heat events and heatwaves in both intensity and duration, and increase the chance of extreme rainfall events.
As a warmer atmosphere increases moisture carrying capacity, extreme rainfall events when they occurr, are also more likely to produce flash flooding. This can be particularly problematic in heavily built up urban areas like Moreland where runoff from torrential rain is exacerbated by all the roofs, pavements and roads causing urban flash flooding. Many of our stormwater drains were engineered in the 19th and early 20th century and were not engineered for the volume of water that can now occurr in extreme rainfall events.
Don’t be fooled by the cool January we have experienced, temperatures are warming up. Melbourne experienced it’s coldest January in 10 years despite the initial couple of extreme heat days at the start of the month. Although Melbourne’s average maximum temperature of 25.9 degrees was the same as the long term average, the average minimum temperature was 1.6 degrees higher than the long term average.
In previous years the average maximum temperature for Melbourne was 28.6 degrees in 2014, 27.3 in 2013 and 27.4 in 2012. The January average minimum temperature was 15.9 degrees, the lowest since 2005, and above the long-term average of 14.3 degrees.