Figure 11
![Figure 11](http://media.springernature.com/full/springer-static/image/art%3A10.4996%2Ffireecology.0401034/MediaObjects/42408_2018_4010034_Fig11.jpg)
Composite 700 hPa geopotential height (m) anomalies for the 16 months with lowest lightning occurrences during June, July, August, and September months, 1985–2000. Locations whose t values meet or exceed the 95 % significance level are designated by black stippling and significance level is indicated by color scale. The stars indicate the locations of the selected bioregion subsections.