Those that want to make today’s weather seem like the “worst ever” often make ludicrous claims trying to link weather to high CO2 levels. For example, that extra CO2 gives the weather “personality“, or even more extreme linkage, like this:
Climate Depot has a headline from Goddard that touts all the weather (not climate) issues of 2013 in the context of the highest ever reported CO2 concentration in modern times. Unfortunately, the link contained no proof, only claims. I decided to provide the proof.
First, about that 400PPM of CO2:
Unfortunately, they backed down from the claim later saying:
‘Carbon dioxide measurements in the Earth’s atmosphere did not break the symbolic milestone of 400 parts per million at a Hawaiian observatory last week, according to a revised reading from the nation’s climate observers.
The current level as of this writing is at: 395.50ppm and has actually gone down since the announcement of breaking the 400 ppm mark:
Next: let’s take each of the claims below and provide the context for proof:
- Coldest summer on record at the North Pole
- Highest August Arctic ice extent since 2006
- Record high August Antarctic ice extent
- No major hurricane strikes for eight years
- Slowest tornado season on record
- No global warming for 17 years
- Second slowest fire season on record
- Four of the five snowiest northern hemisphere winters have occurred since 2008
Coldest summer on record at the North Pole:
Easy to prove, as we’ve covered this issue recently here. The DMI plot of Arctic temperature for 2013 (at the end pause of this animation) hasn’t gone above the climatic normals since this dataset began in 1958:
Highest August Arctic ice extent since 2006:
Plausible, but is debatable, depending on what data you look at, for example, this plot from DMI:
Others on the WUWT sea ice page suggest it could go either way. What isn’t debatable though is that there has been a dramatic slowing of loss of Arctic ice extent in the past couple of weeks, as shown below, and that the current extent is well within the +/- 2 standard deviation.
Record high August Antarctic ice extent:
That’s easy to show, at the end of July starting into August, as Paul Homewood demonstrates:
Since then, Sunshine Hours puts it in context with other years:
After taking a small jog sideways and downwards, Antarctic Sea Extent is back to moving up.
Day 221 is in 2nd place. 2010 holds the daily record. Can 2013 catch the 2010 record pace again? Wait and see.
No major hurricane strikes for eight years:
As we pointed out at the beginning of the hurricane season on June 1st, Hurricane season begins with a new record hurricane drought for the USA
The graph above provides an update to data on the remarkable ongoing US “intense hurricane drought.” When the Atlantic hurricane season starts next June 1, it will have been 2,777 days since the last time an intense (that is a Category 3, 4 or 5) hurricane made landfall along the US coast (Wilma in 2005). Such a prolonged period without an intense hurricane landfall has not been observed since 1900. – Dr. Roger Pielke Jr
It is now at 2847 days since Hurricane Wilma (the last Cat3 hurricane to strike the USA) on Oct 24th, 2005 as of August 10th, 2013.
Slowest tornado season on record:
Easy to prove, just look at NOAA’s Storm Prediction Center Data, which shows we are near a record low for tornado activity in the USA:
No global warming for 17 years:
This statement gets a number of people riled up, but it is clear that global warming has slowed to a crawl. Even the New York Times has at last been constrained to admit this.
Last year we had this:
Now a year later:
Slight cooling in the troposphere, slight warming at the surface, both virtually flat.
Of course after the latest HadCRUT4 “adjustments” are added in, some can claim it is actually warming.
Second slowest fire season on record:
Actually, just for this record set. The National Fire Information Center says:
2013 is actually lowest in the last decade for the number of fires, and second lowest for acreage.
Four of the five snowiest northern hemisphere winters have occurred since 2008:
Rutgers snow lab shows this clearly.
1978 was tops, followed by 2010, 2011, 2013, and 2008.
We live in interesting times of nearly 400ppm of Co2 concentration in our atmosphere.
It’s still not too late to get t-shirts:
Order yours here on your favorite garment, mug, or bag here: