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: 2021-08-10

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

Model vs. observations, sea ice class contingency tables

Date: 2021-08-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1586 4881 0 136 31 4 0 0
OW 0 137 0 142 37 30 5 0
VODI 0 111 0 454 1303 629 164 0
ODI 0 59 0 441 3364 3986 2209 0
CDI 0 10 0 248 3387 6681 4716 0
VCDI 0 0 0 3 91 216 268 0

Date: 2021-08-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2254 4120 0 278 102 11 1 0
OW 0 136 0 127 169 78 4 0
VODI 0 170 0 450 1549 825 106 0
ODI 0 74 0 480 3243 4211 1898 79
CDI 0 11 0 311 2992 5412 5396 343
VCDI 0 0 0 14 62 146 273 4

Date: 2021-08-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2259 4148 0 292 171 124 16 0
OW 0 152 0 121 238 83 39 0
VODI 0 249 0 461 1572 873 181 1
ODI 0 104 0 565 3097 4476 1753 148
CDI 0 15 0 463 2847 4759 4886 834
VCDI 0 0 0 11 46 50 257 38

Date: 2021-08-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1523 4817 0 425 156 132 5 0
OW 0 183 0 158 259 67 25 0
VODI 0 351 0 731 1497 790 193 9
ODI 0 131 0 925 3569 4362 1879 369
CDI 0 51 0 664 2365 4337 4558 359
VCDI 0 2 0 10 62 73 290 2


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