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Aslak Grinsted Profile picture
Aslak Grinsted
@AGrinsted
I'm a climate scientist at the Niels Bohr Institute. I work with sea level rise, extreme events, cryosphere, ice cores 🐘 agrinsted @fediscience.org
Oct 12, 2020 • 4 tweets • 1 min read
More Hurricanes?

The most destructive hurricanes have become 3x more frequent per century.

The largest hurricane surges have also become 3x more frequent per century. Two completely independent data sources:
- Hurricane damage.
- Storm surges recorded by tide gauges.
Nov 17, 2019 • 8 tweets • 2 min read
The most destructive hurricanes have become much more frequent.

This result is extremely robust to different input data. ND of ICAT: an increase of 3.2x per century for ND>22bn.
-This is the data that PielkeJr argues has quality issues. But as you will see it does not matter for the results.
Nov 14, 2019 • 10 tweets • 2 min read
The largest hurricane damage events are getting more frequent. -Also in the Weinkle&PielkeJr et al. normalized damage estimates. They argue that some small events are missing in the early part of the record, -they guestimate their ND value. Unfortunately we can see that this has a profound effect on the distribution which looks sick (pre-1940, ND<1bn).