Earlier we noted that the number of hurricane-days in 1933 actually exceeded the number of hurricane-days in 2005. However, the 2005 PDI was significantly higher than 1933 PDI, which indicates fairly trivially that hurricane speeds in 2005 were estimated to be higher than 1933. So here is a histogram of 1933 compared to 2005 wind-speed […]
Paul Linsay contributes the following: Using Landsea’s data from here, plus counts of 15 and 5 hurricanes in 2005 and 2006 respectively, I plotted up the yearly North Atlantic hurricane counts from 1945 to 2004 and added error bars equal to as is appropriate for counting statistics. The result is in Figure 1. Figure 1. […]
Here’s a figure showing Judith Curry’s PDI as compared to calculations from my collation of the ATL track data previously archived, also comparing PDI – which is the integral of wind speed cubed against other measures: a count of hurricane-days, an integral of wind speed and an integral of wind speed squared (which I think […]
It turned out that the age of Ellesmere Island ice shelves is estimated by driftwood located on the shore. an age of ~3,000 years is estimated for the Ward Hunt ice shelf (in which a crack recently developed) based on driftwood located onshore. I haven’t seen corresponding information on the Ayles ice shelf (which actually […]
The following is from Judith Curry: Whether changes in the characteristics of tropical storms observed in the last few decades [1,2] are the result of only natural variability, due to climate change, or a combination of both factors is the subject of intense debate [3]. Central to the debate is the quality of the tropical […]
The break-up of (Ward Hunt and Ayles) ice shelves on the north shore of Ellesmere island gets in the news from time to time (google “Ward Hunt ice shelf”) and has been mentioned by posters here. The issue as framed by Steve Bloom is: However, if [the Ward Hunt Ice Shelf] is ~3000 year old […]
Perhaps the key issue in Emanuel 2005 (as observed in Landsea’s 2005 comment) was the adjustment to the ATL data set performed by Emanuel (citing an old publication, Landsea 1993). We’ve snickered a bit recently at Martin Juckes using older data rather than newer data – only in climate science would this seem possible. And […]
A comment by Judith Curry reminded of a suggestion that Ross McKitrick sent me for a CA contest. Judith said: There is no fear of H/W making it into IPCC4, the closing for papers to be accepted was over a year ago. What Judith said here is what IPCC rules said prior to IPCC AR4. […]
OK folks, here’s a question – no peeking. In terms of the total number of hurricane-days (i.e. days at wind-speed gt 65 knots) west of 69W, where does 2005 rank in the league table including all years since 1851? Bonus points if you get the top five right regardless of order.
Despite the protestations of the Team, it seems to be a consensus of other paleoclimatologists that the Holocene Optimum was warmer at high southern latitudes. For now, I’ll take this as read, although it’s well worth canvassing the literature. Some citations are at ukweatherworld. The next line of Team attack on the Holocene Optimum is […]
Climate Audit 