An Analysis of Tropical Cold-Point Tropopause Warming in 1999

Figure 1

(a) Monthly time series of tropical mean (20°N–20°S) CPTT for the period of 1994–2005 derived from ERA-Interim (red line), MERRA (black line), and GOZCARDS (blue line) datasets. (b) Daily tropical CPTT variations in 1999 (red line) and CPTT climatology for the period from 1994 to 2005 (black line).

(a)

(b)