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Table 3 Summary of the deflection (Δ) in the 6-h movement direction at AP and DP of landfalling Mindanao TCs using a threshold of ± 5°. Refer to Figs. 11 and 12 for the counting of cases. Note that Δ ≥ 5° degrees (< − 5°) are regarded as positive or rightward (negative or leftward) deflection

From: Changes in intensity and tracks of tropical cyclones crossing the central and southern Philippines from 1979 to 2020: an observational study

Intensity

Cases

At AP

At DP

Δ > 5°

Δ < −5°

|Δ| ≥ 5°

Δ > 5°

Δ < −5°

|Δ| ≥ 5°

MINDANAO

All TCs

6

4

0

4 (66%)

0

2

2 (33%)

> TY

3

3

0

3 (100%)

0

0

0 (0%)

TD/TS

3

1

0

1 (33%)

0

2

2 (66%)

VISAYAS

All TCs

39

12

7

19 (49%)

16

3

19 (49%)

> TY

21

6

3

9 (43%)

8

1

9 (43%)

TD/TS

18

6

4

10 (56%)

8

2

10 (56%)