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: 2024-05-07

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

Model vs. observations, sea ice class contingency tables

Date: 2024-05-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18529 14017 133 683 147 32 21 0
OW 2 201 20 170 133 53 26 2
VODI 0 321 25 418 435 330 143 12
ODI 0 258 23 616 888 963 762 50
CDI 0 132 21 555 1775 2557 3317 912
VCDI 0 71 16 462 2205 6802 29614 46695

Date: 2024-05-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18242 14568 143 932 247 79 13 0
OW 0 166 11 216 156 74 30 0
VODI 0 220 31 421 541 386 166 8
ODI 0 164 13 563 909 1186 891 71
CDI 0 131 14 580 1878 2691 3494 1083
VCDI 0 66 8 513 2501 6817 29984 44340

Date: 2024-05-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18585 14815 110 958 294 115 26 1
OW 0 132 14 216 193 101 46 0
VODI 0 204 14 463 579 412 210 9
ODI 0 169 15 588 1050 1280 909 53
CDI 0 98 25 675 1713 2892 3452 1031
VCDI 0 32 10 666 2440 6916 30277 42759

Date: 2024-05-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19001 14664 104 1023 334 121 30 1
OW 0 121 17 224 198 102 48 6
VODI 0 219 31 427 523 431 223 93
ODI 0 215 38 668 1138 1283 929 229
CDI 0 154 23 793 1819 2808 3632 1705
VCDI 0 108 19 946 2624 6057 29699 41719


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