Table 2 The regions of SST anomalies used as attributes to the ANN models.
From: A machine learning based prediction system for the Indian Ocean Dipole
May | June | July | Aug | Sep | Oct | Nov | |
|---|---|---|---|---|---|---|---|
Feb | (i) 20°S–10°S; 70°E–110°E (ii) 50°S–40°S; 100°E–125°E | (i) 50°S–5°S; 160°E–190°E (ii) 40°S–30°S; 325°E–350°E (iii) 30°S–15°S; 80°E–110°E | (i) 35°S–25°S; 45°E–75°E (ii) 25°S–15°S; 65°E–90°E (iii) 50°S–5°S; 160°E–190°E (iv) 70°S–30°S; 320°E–340°E | (i) 20°S–10°S; 65°E–90°E (ii) 50°S–10°S; 160°E–190°E | (i) 20°S–10°S; 65°E–90°E (ii) 55°S–35°S; 60°E–80°E (iii) 30°S–20°S; 190°E–220°E (iv) 40°S–25°S; 245°E–270°E (v) 55°S–40°S; 245°E–285°E (vi) 55°S–40°S; 320°E–340°E (vii) 60°S–50°S; 100°E–130E (viii) 25°S–10°S; 325°E–350°E | (i) 20°S–10°S; 65°E–90°E (ii) 55°S–35°S; 60°E–80°E (iii) 30°S–20°S; 190°E–220°E (iv) 40°S–25°S; 245°E–270°E (v) 45°S–35°S; 320°E–340°E (vi) 60°S–50°S; 100°E–130E (vii) 25°S–10°S; 320°E–350°E | (i) 20°S–10°S; 65°E–90°E (ii) 35°S–25°S; 190°E–270°E (iii) 60°S–50°S; 100°E–115°E |
Mar | (i) 38°S–25°S; 60°E–80°E (ii) 30°S–5S; 90°E–110°E (iii) 60°S–45°S; 100°E–135°E | (i) 40°S–30°S; 55°E–80°E (ii) 60°S–45°S; 110°E–145°E | (i) 40°S–25°S; 45°E–75°E (ii) 60°S–50°S; 100°E–140°E (iii) 50°S–25°S; 160°E–190°E | (i) 40°S–30°S; 50°E–80°E (ii) 15°S–5°S; 110°E–130°E (iii) 60°S–50°S; 100°E–130°E (iv) 20°N–30°N; 260°E–290°E | (i) 40°S–30°S; 50°E–80°E (ii) 20°S–0°N; 65°E––100°E (iii) 60°S–50°S; 100°E–130°E (iv) 20°N–30°N; 260°E–290°E (v) 45°S–35°S; 320°E–345°E (vi) 55°S–40°S; 245°E–285°E | (i) 40°S–30°S; 50°E–80°E (ii) 20°S–5°S; 65°E–110°E (iii) 60°S–50°S; 100°E–130°E (iv) 20°N–30°N; 260°E–290°E (v) 50°S–35°S; 320°E–345°E (vi) 55°S–40°S; 245°E–285°E | (i) 40°S–30°S; 50°E–80°E (ii) 20°S–5°S; 90°E–130°E (iii) 60°S–50°S; 100°E–130°E (iv) 20°N–30°N; 260°E–290°E (v) 50°S–35°S; 320°E–345°E (vi) 35°S–20°S; 190°E–225°E (vii) 35°S–25°S; 250°E–270°E |
Apr | (i) 38°S; 20°S; 60°E–80°E (ii) 20°S–5°S; 90°E–105°E (iii) 55°S–40°S; 110°E–140°E (iv) 35°S–25°S; 340°E–360°E | (i) 40°S–25°S; 60°E–80°E (ii) 45°S–35°S; 210°E–230°E (iii) 55°S–40°S; 120°E–150°E | (i) 40°S–20°S; 45°E–75°E (ii) 0°N–15°N; 80°E–100°E (iii) 30°S–0°N; 110°E–160°E | (i) 35°S–20°S; 50°E–70°E (ii) 15°S–5°S; 110°E–130°E (iii) 20°N–30°N; 260°E–290°E | (i) 20°S–5°S; 130°E–160°E (ii) 20°N–30°N; 260°E–290°E (iii) 5°N–20°N; 160°E–200°E (iv) 55°S–40°S; 240°E–260°E | (i) 30°S–5°S; 110°E–180°E (ii) 20°N–30°N; 260°E–290E (iii) 5°N–20°N; 160°E–200°E (iv) 55°S–40°S; 240°E–280°E (v) 55°S–45°S; 100°E–130°E (vi) 60°S–50°S; 180°E–200°E | (i) 20°S–5°S; 90°E–110°E (ii) 20°N–30°N; 260°E–290°E (iii) 5°N–20°N; 160°E–200°E (iv) 60°S–50°S; 180°E–210°E (v) 40°N–50°N; 170°E–200°E |