Table 1 Characteristics of MHWs in the coastal domain from 1982 to 2019.

From: Marine heatwaves in the Humboldt current system: from 5-day localized warming to year-long El Niños

Latitude range

Number of events

Average size (\(10^4\,\hbox {km}^{2}\))

Average duration (days)

Average SST anomaly (\(\,^{\circ }\hbox {C}\))

2.5–\(6^{\circ}\,\hbox{S}\)

99

3.59

26

2.22

6–\(10^{\circ}\,\hbox{S}\)

27

8.89

43

2.10

10–\(14^{\circ}\,\hbox{S}\)

55

3.41

16

2.01

14–\(18^{\circ}\,\hbox{S}\)

102

2.42

20

1.80

18–\(25^{\circ}\,\hbox{S}\)

143

2.12

15

1.54