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: 2025-05-01

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-04-25:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67521 15402 526 512 0 0 0 0
OW 0 264 130 498 53 0 0 0
VODI 0 261 170 953 452 49 13 0
ODI 0 16 44 482 1463 481 140 0
CDI 0 0 0 11 647 2934 1182 13
VCDI 0 0 0 0 2 864 7315 6695

Date: 2025-04-27:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67695 15449 424 310 0 0 0 0
OW 0 290 163 439 88 2 0 0
VODI 0 247 167 1036 385 55 5 0
ODI 0 27 37 497 1589 406 79 0
CDI 0 0 0 54 661 3019 1534 1
VCDI 0 0 0 0 1 781 7219 6433

Date: 2025-04-29:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68235 15013 350 291 9 0 0 0
OW 0 297 171 388 86 0 0 0
VODI 0 331 193 961 274 20 0 0
ODI 0 42 52 659 1642 320 32 0
CDI 0 0 0 60 897 3738 1218 1
VCDI 0 0 0 0 13 951 7228 5621

Date: 2025-05-01:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 68902 14339 342 243 2 0 0 0
OW 0 269 179 374 36 0 0 0
VODI 0 276 201 1098 271 21 1 0
ODI 0 38 50 677 1806 445 68 0
CDI 0 0 0 75 829 4034 1401 1
VCDI 0 0 0 0 18 911 6472 5714

Date: 2025-05-03:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69890 13400 297 260 1 0 0 0
OW 1 307 137 263 61 0 0 0
VODI 0 370 269 1005 315 19 3 0
ODI 0 68 61 835 1839 666 68 0
CDI 0 0 0 88 1099 3928 1441 0
VCDI 0 0 0 0 19 868 6371 5144

Date: 2025-05-05:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69606 13618 326 330 34 0 0 0
OW 0 302 143 314 34 0 0 0
VODI 0 292 235 1114 438 9 1 0
ODI 0 37 51 698 2296 570 31 0
CDI 0 6 10 128 907 4932 1158 2
VCDI 0 0 0 0 1 751 6179 4540

Date: 2025-05-07:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 69470 13871 331 431 2 0 0 0
OW 0 287 141 324 32 0 0 0
VODI 0 293 239 1104 461 15 0 0
ODI 0 72 66 784 2658 542 45 0
CDI 0 10 6 81 1451 5016 827 0
VCDI 0 0 0 0 6 1306 6239 2983

Date: 2025-05-09:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 70529 13121 284 307 0 0 0 0
OW 0 319 103 364 41 0 0 0
VODI 0 383 255 1039 610 23 0 0
ODI 0 125 86 883 2930 795 30 0
CDI 0 12 8 55 1416 4256 1288 0
VCDI 0 0 0 0 71 682 6346 2732


Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPageSector.sh Fri May 16 03:30:23 UTC 2025 on arcval2

 
See Met Privacy