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: 2024-06-18

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

Model vs. observations, sea ice class contingency tables

Date: 2024-06-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26727 17350 150 926 202 70 10 0
OW 3 774 40 344 135 70 24 0
VODI 5 1291 86 1025 748 478 149 17
ODI 0 1301 98 1899 2571 2372 932 149
CDI 0 657 55 1568 3852 7641 4267 1251
VCDI 1 227 25 675 5055 23346 16352 9629

Date: 2024-06-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26759 19311 167 1687 423 203 15 0
OW 0 442 22 322 166 100 23 0
VODI 0 817 41 848 755 593 152 4
ODI 0 925 100 1519 2414 2614 783 77
CDI 0 585 63 1386 3802 8777 3319 873
VCDI 0 263 18 757 5539 29818 12722 5343

Date: 2024-06-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27936 19377 179 1817 661 165 42 0
OW 0 379 19 267 205 102 45 0
VODI 0 683 38 725 780 580 159 0
ODI 0 914 80 1224 2204 2409 721 18
CDI 0 799 55 1278 4159 9009 3457 534
VCDI 0 327 28 888 6044 30587 12557 3096

Date: 2024-06-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28210 19740 212 2076 779 188 67 0
OW 4 314 22 227 240 111 32 0
VODI 5 707 38 679 792 552 121 0
ODI 2 916 65 1124 2312 2373 519 27
CDI 0 810 61 1358 4883 9690 2775 225
VCDI 0 375 30 1107 6620 33722 9867 570


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