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

Validation of sea ice concentration - American sector

Reference date: 2022-06-09

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2022-06-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 463 29 449 304 20 0 0
OW 0 49 3 135 131 22 0 0
VODI 0 99 9 373 357 55 11 1
ODI 0 78 17 804 1454 120 17 1
CDI 0 19 6 235 2321 4980 789 75
VCDI 0 0 0 26 235 5072 16050 11057

Date: 2022-06-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 728 49 645 201 5 1 0
OW 0 84 9 169 96 11 5 0
VODI 0 116 25 550 318 49 13 0
ODI 0 91 25 798 1573 215 33 0
CDI 0 24 4 212 1815 4628 1373 27
VCDI 0 0 0 8 173 3932 16395 11466

Date: 2022-06-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 1083 51 690 221 2 0 0
OW 0 125 12 180 85 2 0 0
VODI 0 232 19 630 365 34 11 0
ODI 0 144 28 760 2372 167 19 1
CDI 0 27 4 160 1779 4456 952 24
VCDI 0 0 0 0 64 2333 15130 13704

Date: 2022-06-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 1626 74 714 109 1 0 0
OW 0 161 14 169 83 2 0 0
VODI 0 311 47 698 401 9 1 0
ODI 0 101 25 683 2127 587 36 0
CDI 0 18 6 130 1291 3714 992 19
VCDI 0 0 0 2 28 2711 15777 13199

Date: 2022-06-11:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 2054 95 692 122 4 0 0
OW 0 229 12 232 83 5 0 0
VODI 0 345 43 696 369 12 0 1
ODI 0 115 18 518 1765 917 27 6
CDI 0 17 5 146 1393 3479 1255 74
VCDI 0 0 0 0 36 3338 17457 10306

Date: 2022-06-13:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 2419 105 841 100 2 0 0
OW 0 183 23 284 67 0 0 0
VODI 0 324 41 777 298 4 1 2
ODI 0 84 15 495 2089 459 0 8
CDI 0 13 8 203 1669 4377 666 45
VCDI 0 0 0 0 27 2357 16349 11531

Date: 2022-06-15:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 3103 122 774 113 0 0 0
OW 0 276 27 234 76 2 0 0
VODI 0 290 45 689 290 22 0 3
ODI 0 95 16 566 2388 214 0 5
CDI 0 9 4 217 2375 3027 643 19
VCDI 0 0 0 0 71 4997 16067 9087

Date: 2022-06-17:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 200 3908 107 610 96 8 0 0
OW 0 206 15 265 66 3 0 0
VODI 0 220 25 698 322 35 0 0
ODI 0 47 14 641 2198 625 1 0
CDI 0 14 7 229 1880 3524 1661 57
VCDI 0 0 0 0 56 2718 17420 7990


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