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: 2024-02-06

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

Model vs. observations, sea ice class contingency tables

Date: 2024-02-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16397 15366 119 951 320 88 12 0
OW 13 173 7 119 47 10 0 0
VODI 12 292 17 213 99 14 2 0
ODI 8 330 18 194 160 65 45 7
CDI 6 576 43 346 440 680 524 269
VCDI 1 424 58 1193 2730 8454 18862 64843

Date: 2024-02-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15905 15894 146 1201 475 157 9 0
OW 11 105 2 112 46 16 0 0
VODI 9 142 6 144 103 18 2 0
ODI 1 129 4 123 125 72 20 11
CDI 1 175 10 172 305 691 592 115
VCDI 0 874 62 981 2512 7828 20006 65235

Date: 2024-02-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14288 17139 183 1624 541 115 2 0
OW 0 64 8 119 71 7 2 0
VODI 0 89 7 150 131 27 2 0
ODI 0 82 4 143 122 82 36 4
CDI 0 105 9 263 437 595 530 154
VCDI 0 562 69 1162 2140 8006 21217 64256

Date: 2024-02-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14521 16802 199 1732 675 138 9 0
OW 0 76 9 96 74 18 1 0
VODI 0 93 16 146 118 35 5 0
ODI 0 87 13 132 134 110 34 2
CDI 0 84 7 223 411 607 579 163
VCDI 0 461 48 1036 2016 6988 20286 66363


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