Description of algorithm
Full domain
American sector
  Ice concntr, edge pos
  Contingency tables
European sector
Asian sector

Validation of sea ice concentration - American sector

Bulletin date: 2022-06-28

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2022-06-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 588 7248 0 656 441 26 2 0
OW 1 180 0 125 309 42 1 0
VODI 2 278 0 259 858 163 5 0
ODI 0 422 0 929 2345 773 134 0
CDI 0 303 0 1017 5428 3954 1429 0
VCDI 0 24 0 199 9354 7987 5112 0

Date: 2022-06-30:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1547 6500 0 698 744 118 0 0
OW 0 219 0 100 203 25 0 0
VODI 0 442 0 298 747 89 11 0
ODI 0 635 0 953 2453 898 195 3
CDI 0 287 0 781 5489 4348 1215 52
VCDI 0 25 0 174 6058 11014 4163 110

Date: 2022-07-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2739 5643 0 856 839 98 0 0
OW 6 237 0 129 163 34 0 0
VODI 13 578 0 452 600 136 8 0
ODI 1 1115 0 968 1694 1089 183 1
CDI 0 461 0 869 3326 5707 1818 138
VCDI 0 30 0 152 3889 11628 4693 301

Date: 2022-07-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2538 6088 0 1076 941 105 0 0
OW 7 282 0 159 153 23 1 0
VODI 17 847 0 464 603 211 2 0
ODI 11 1188 0 724 1473 1183 129 1
CDI 0 531 0 764 3960 5821 1176 68
VCDI 0 32 0 175 2940 13317 3422 162


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