Table 2: Correlation of IRE and BI for each event from Table 1 and for a lag of BI with respect to IRE by 24-h increments out to 72-h. WA: Weak Atlantic, WP: Weak Pacific, SA: Strong Atlantic, SP: Strong Pacific, *best correlation, and +, ++, and +++ is correlation significant at least at the 90%, 95%, and 99% confidence level, respectively.

Correlation Between IRE and the Lag of BI
Event No Lag 24-h 48-h 72-h
WWA 0.29 0.40*+ -0.15 0.20
WWP 0.15 -0.39 0.41* -0.26
SCA 0.49*+++ 0.40++ 0.07 -0.20
SCP 0.16 -0.31 -0.18 0.36*+