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

Validation of sea ice concentration - Full domain

Bulletin date: 2022-09-13

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

Model vs. observations, sea ice class contingency tables

Date: 2022-09-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78480 31904 0 657 198 4 0 0
OW 0 448 0 415 83 6 0 0
VODI 0 443 0 1571 1425 361 37 0
ODI 0 234 0 852 4861 5243 521 1
CDI 0 132 0 256 1780 8080 2302 61
VCDI 0 0 0 45 229 6689 5865 212

Date: 2022-09-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80524 30518 0 1048 157 4 0 0
OW 0 335 0 369 126 10 1 0
VODI 0 372 0 1133 869 199 14 0
ODI 0 246 0 874 3066 4528 333 4
CDI 0 135 0 366 2024 8289 2064 79
VCDI 0 3 0 44 375 7097 7625 564

Date: 2022-09-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80234 30973 0 1299 328 22 0 0
OW 0 284 0 324 137 7 0 0
VODI 0 307 0 804 573 135 10 0
ODI 0 260 0 764 1876 2850 228 1
CDI 0 105 0 317 1912 7582 2506 67
VCDI 0 5 0 129 423 6198 11155 1580

Date: 2022-09-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78258 32345 0 1874 647 112 0 0
OW 0 153 0 303 145 16 1 0
VODI 0 186 0 449 424 82 4 0
ODI 0 190 0 545 1335 1131 388 0
CDI 0 79 0 241 1523 6441 2546 9
VCDI 0 6 0 101 722 6648 14801 1690


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