IOP1 - Ephemeral fog - Tues/Wed Jan 11-12
IOP2 - Ephemeral fog - Sun/Mon Jan 16-17
IOP3 - Ephemeral fog - Wed/Thurs Jan 19/20
IOP4 - Ice-crystal - Thurs/Fri Feb 3-4
IOP5 - Moisture surge - Wed/Thurs Feb 9-10
IOP6 - Quiescent - Sat/Sun Feb 12-13
IOP7 - Thurs/Fri Feb 17-18
IOP8 - Fri/Sat Feb 18-19
IOP9 - Wed/Thurs Feb 23-24