Research Article

An Analysis of Anomalous Winter and Spring Tornado Frequency by Phase of the El Niño/Southern Oscillation, the Global Wind Oscillation, and the Madden-Julian Oscillation

Figure 10

850 mb geopotential heights (contours (m)) and specific humidity (color (g·kg−1)) on (a) 23 December 2015 and (b) 23-24 February 2016, when 18 and 36 tornadoes occurred, respectively.
(a)
(b)