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

Validation of sea ice concentration - European sector

Reference date: 2025-07-10

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-07-04:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84721 11136 302 332 28 3 0 0
OW 0 409 67 245 88 3 0 0
VODI 0 166 63 543 891 135 1 0
ODI 0 206 88 289 1013 974 153 0
CDI 0 2 18 89 1287 1298 776 0
VCDI 0 0 0 0 5 1672 2084 0

Date: 2025-07-06:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85435 10598 345 404 33 0 0 0
OW 0 332 69 315 124 0 0 0
VODI 0 273 115 609 938 69 2 0
ODI 0 113 64 323 1005 787 140 0
CDI 0 3 8 68 826 3002 734 0
VCDI 0 0 0 0 1 817 1535 0

Date: 2025-07-08:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85654 10843 348 410 29 0 0 0
OW 0 378 111 265 64 0 0 0
VODI 0 262 143 755 748 49 48 0
ODI 0 62 57 339 1241 618 142 0
CDI 0 11 23 59 812 3409 898 0
VCDI 0 0 0 0 1 346 962 0

Date: 2025-07-10:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86165 10561 376 436 23 0 0 0
OW 0 269 117 355 45 0 0 0
VODI 0 225 124 779 703 50 37 0
ODI 0 61 32 266 1035 935 87 0
CDI 0 19 20 56 134 4240 982 0
VCDI 0 0 0 0 4 163 788 0

Date: 2025-07-12:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85922 11129 501 600 42 0 0 0
OW 0 166 113 432 114 2 0 0
VODI 0 152 82 753 722 67 23 0
ODI 0 63 52 262 1272 591 91 0
CDI 0 7 2 27 550 4369 425 0
VCDI 0 0 0 0 3 310 243 0

Date: 2025-07-14:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86800 10494 514 809 123 0 0 0
OW 0 123 105 395 139 4 0 0
VODI 0 91 67 658 938 89 42 0
ODI 0 72 40 228 989 730 58 0
CDI 0 1 0 15 405 4781 320 0
VCDI 0 0 0 0 1 47 9 0

Date: 2025-07-16:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87454 10044 572 861 104 0 0 0
OW 0 188 153 519 167 5 0 0
VODI 0 44 46 598 799 105 3 0
ODI 0 51 57 200 946 722 11 0
CDI 0 0 2 13 301 5042 38 0
VCDI 0 0 0 0 1 40 1 0

Date: 2025-07-18:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 87628 10163 635 782 69 0 0 0
OW 0 189 107 658 248 0 0 0
VODI 0 21 37 402 748 128 4 0
ODI 0 30 28 86 803 878 47 0
CDI 0 0 0 5 241 4496 611 0
VCDI 0 0 0 0 0 38 5 0


Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPageSector.sh Fri Jul 25 03:41:34 UTC 2025 on arcval2

 
See Met Privacy