Fig. 2: Regressed tropical cyclone genesis frequency (TCGF; unit: count) based on Leave-One-Out (LOO) Method.
From: Lapsed El Niño impact on Atlantic and Northwest Pacific tropical cyclone activity in 2023
a Spatial correlations (shaded) between the observed and regressed North Atlantic (NA) TCGF based on LOO method at each grid point; (b) same as (a) but for the western North Pacific (WNP) TCGF; (c) predicted TCGF in 2023 over the NA based on the tropical North Atlantic (TNA), Pacific Meridional Mode (PMM) and El Niño-Southern Oscillation (ENSO) and global warming (GW) indices using the cross-validated regression model; (d) same as (c) but for the WNP TCGF; (e) observed (bar) and regressed TCGF summed for the whole NA basin based on the cross-validated regression model; and (f) same as (e) but for the WNP TCGF. The black contour in (a, b) represent the climatological TCGF.
