RED marks STRONG (x2) analog; YELLOW suggests MODERATE resemblance to current ONI.
Comparison Year Analogs:
1951, 1955, 1971, 1972, 1975, 1984, 1985, 1996 (x2), 2001, 2006, 2009, 2012 (x2), 2018 (x2), 2021 (x2)
Synoptic Analogs:
2011, 2012, 2014, 2018, 2021