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

Validation of sea ice concentration - Full domain

Bulletin date: 2025-07-10

Data source: OSI SAF N.H. multi-product sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2025-07-04:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 104683 6819 1928 46 12 1 0 0
OW 1978 2598 2169 1601 56 13 0 0
VODI 143 213 3088 1597 471 50 1 1
ODI 8 50 4397 1478 1818 470 5 12
CDI 2 0 10534 2956 3447 3844 190 17
VCDI 0 0 6286 4848 5002 13659 6098 2154
...date precedes bulletin

Date: 2025-07-06:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 98198 16201 147 160 40 6 0 0
OW 317 5001 710 1533 201 58 0 0
VODI 21 530 392 3123 1444 188 0 0
ODI 0 76 83 1471 6022 719 14 0
CDI 0 6 21 329 7874 12458 655 0
VCDI 0 0 0 2 3117 17898 14441 1287
...date precedes bulletin

Date: 2025-07-08:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 100399 16115 181 286 66 32 0 0
OW 739 3617 538 1428 229 45 0 0
VODI 31 826 434 2729 1113 99 4 0
ODI 2 176 125 1784 4975 519 27 0
CDI 0 19 55 565 8851 13842 659 0
VCDI 0 0 0 12 2560 20577 10936 148
...date precedes bulletin

Date: 2025-07-10:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2025-07-12:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2025-07-14:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2025-07-16:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2025-07-18:

Best estimate Forecast
...observations not yet available ...observations not yet available


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