It is not that I am saying the climates sensitivity to added CO2 is low, but the scientific results of the measured data.
When they look at how the actual temperatures are responding to the CO2, the sensitivity is at the low end of the IPCC's
enormous range. (1.5 to 4.5 C).
Recent CO2 Climate Sensitivity Estimates Continue Trending Towards Zero
The more we learn about CO2 interaction in the atmosphere, the lower our estimates get.
If the majority of ECS estimates from the observed data are centered around 2C, would you call that the
low end of the 1.5 to 4.5 C range?
With that in mind, add in the likely time to double the CO2 level would be about 180 years.
Also,the vast majority of the increase in average temperature is in evening lows in the cooler months.
As to Hurricane Harvey, I live in Houston, we get Hurricanes and tropical storms and it rains more than our very good drainage
system can keep up with. A stalled tropical system can, and will drop significant rainfall amounts.
Harvey's only difference was it is usually smaller storms that stall, but the rainfall estimates for Harvey fell into
the same range they have been using for Hurricanes for about 80 years. (100/storm speed=amount of rain in inches)
FYI, the highest 24 hour rainfall in the US was in the Houston Area(Alvin) but not during Harvey.
Alvin, south of Houston, still holds U.S. record for most rain in one day - Houston Chronicle
In 1979 Tropical Storm Claudette stalled over SE Texas, and dumped 43 inches of rain in 24 hours.
The area affected was less, but the flooding in the affected area was worse. the only saving grace, was the
Houston area was much less developed in 1979, so the flooding covered mostly farmland.