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: 2025-07-24

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

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 8244 5065 201 280 22 0 0 0
OW 2 585 189 619 94 9 0 0
VODI 0 30 18 793 3110 203 1 0
ODI 0 2 0 9 4006 2455 12 0
CDI 0 0 1 6 2072 14831 2205 0
VCDI 0 0 0 0 0 212 570 0

Date: 2025-07-20:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8433 5405 228 264 17 0 0 0
OW 0 529 216 707 172 11 0 0
VODI 0 45 44 850 2385 339 0 0
ODI 0 6 2 14 2924 3741 123 0
CDI 0 0 0 0 1639 14162 2468 0
VCDI 0 0 0 0 1 451 670 0

Date: 2025-07-22:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 10250 4069 290 256 14 0 0 0
OW 0 542 217 686 169 5 0 0
VODI 0 48 40 1188 2377 191 1 0
ODI 0 0 0 34 5109 1712 32 0
CDI 0 0 0 2 1710 14579 1164 0
VCDI 0 0 0 0 0 987 174 0

Date: 2025-07-24:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 10307 4318 303 270 10 0 0 0
OW 0 481 227 742 181 0 0 0
VODI 0 37 56 1532 2294 566 4 0
ODI 0 0 0 67 3466 3535 4 0
CDI 0 0 0 2 2637 13131 879 0
VCDI 0 0 0 0 0 403 394 0

Date: 2025-07-26:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 10390 4654 306 290 9 0 0 0
OW 0 438 250 843 143 1 0 0
VODI 0 56 48 1438 2973 250 0 0
ODI 0 0 1 74 5544 1678 9 0
CDI 0 0 0 0 1972 12724 1436 0
VCDI 0 0 0 0 0 83 236 0

Date: 2025-07-28:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 10570 5027 321 278 23 0 0 0
OW 0 492 313 814 125 1 0 0
VODI 0 49 65 1517 3047 259 6 0
ODI 0 0 0 170 5055 3019 135 0
CDI 0 0 0 0 1590 10610 1697 0
VCDI 0 0 0 0 0 47 616 0

Date: 2025-07-30:

Best estimate
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 10686 5148 294 329 32 0 0 0
OW 1 429 255 957 111 1 0 0
VODI 0 34 77 1873 3560 622 4 0
ODI 0 0 0 225 4644 5031 45 0
CDI 0 0 0 0 339 9085 159 0
VCDI 0 0 0 0 0 1701 204 0

Date: 2025-08-01:

Best estimate
...observations not yet available


Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPageSector.sh Fri Aug 1 03:30:21 UTC 2025 on arcval2

 
See Met Privacy