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64. Disequilibrium and the AMOC
The strength of the Atlantic Meridional Overturning Circulation (AMOC) at 26N , in units of Sverdrups (106 m3/s), plotted against the ratio of the Transient Climate Response to the Equilibrium...
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65. Small Earth, deep atmosphere, and hypohydrostatic models
A key problem in atmospheric modeling is the large separation in horizontal scales between the circulations that contain the bulk of the kinetic energy and dominate the horizontal transport of heat,...
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66. Clouds are hard
A measure of cloud feedback (vertical axis) plotted against a property of the sub-grid closure for moist convection (horizontal axis) for 3 comprehensive atmospheric models developed at GFDL (red dots)...
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67. More on tropical cyclones and the ITCZ in aquaplanet models
Ttropical cyclone statistics in the global aquaplanet model of Ballinger et al 2015 varying the strength of the surface temperature gradient in the tropics. a) sea surface temperatures; b)...
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70. Spherical rotating radiative-convective equilibrium
Snapshots of near surface wind speed in simulations of spherical rotating radiative convective equilibrium, as described in Merlis et al 2016. A full hemisphere is shown, the outer boundary being...
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68. Superrotation, idealized models, and GCMs
The average around the equator of the eastward wind in the upper tropospheric layer of the idealized atmospheric model of Suarez and Duffy 1992, for several different values of the strength of an...
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69. A modest proposal regarding TCR
The radative forcing (left) and global mean temperature response (right) using a simple GCM emulator, for the historical CO2 forcing (red) and for the linearly increasing forcing consistent with the...
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71. Forcing, feedback, and clouds
Percent change in zonally-averaged cloud cover over the oceans as a function of latitude and height in response to an instantaneous quadrupling of CO2, decomposed into two parts: (a) a fast adjustment...
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72. Odd recent evolution of the QBO
Monthly mean equatorial zonal winds in the stratosphere as a function of time and height. Eastward winds are shaded. 10m/s contour interval. This figure is updated monthly here, thanks to Marcus...
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73. Tuning to the global mean temperature record
Global mean surface air temperature evolution (with 5-year running mean) in 3 versions of GFDL’s CM3 model (Donner et al, 2011), compared to observations. Each model result is an average over 5...
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