Validation of sea ice concentration - American sector
Reference date: 2025-09-04
Model: GLO MFC - NEMO
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-29:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14600 |
4100 |
219 |
216 |
45 |
0 |
0 |
0 |
| OW |
83 |
5190 |
644 |
996 |
89 |
0 |
0 |
0 |
| VODI |
0 |
15 |
49 |
1252 |
844 |
26 |
0 |
0 |
| ODI |
0 |
0 |
1 |
296 |
4199 |
1827 |
22 |
0 |
| CDI |
0 |
0 |
0 |
0 |
513 |
8434 |
898 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
994 |
287 |
0 |
|
|
Date: 2025-08-31:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14746 |
4196 |
196 |
160 |
23 |
0 |
0 |
0 |
| OW |
184 |
5066 |
555 |
979 |
58 |
3 |
0 |
0 |
| VODI |
0 |
21 |
51 |
1370 |
553 |
33 |
0 |
0 |
| ODI |
0 |
0 |
0 |
462 |
4818 |
1174 |
23 |
0 |
| CDI |
0 |
0 |
0 |
1 |
746 |
8019 |
1150 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
759 |
491 |
0 |
|
|
Date: 2025-09-02:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14998 |
4273 |
156 |
146 |
13 |
0 |
0 |
0 |
| OW |
139 |
5303 |
627 |
773 |
60 |
0 |
0 |
0 |
| VODI |
0 |
26 |
54 |
1308 |
505 |
24 |
1 |
0 |
| ODI |
0 |
0 |
0 |
428 |
4948 |
891 |
18 |
0 |
| CDI |
0 |
0 |
0 |
0 |
905 |
7593 |
1017 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
1115 |
515 |
0 |
|
|
Date: 2025-09-04:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15116 |
4343 |
155 |
157 |
9 |
0 |
0 |
0 |
| OW |
169 |
5259 |
558 |
816 |
85 |
1 |
0 |
0 |
| VODI |
0 |
39 |
79 |
1393 |
422 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
683 |
4593 |
845 |
27 |
0 |
| CDI |
0 |
0 |
0 |
5 |
790 |
7194 |
1879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
543 |
666 |
0 |
|
|
Date: 2025-09-06:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15082 |
4476 |
168 |
195 |
20 |
0 |
0 |
0 |
| OW |
194 |
5288 |
563 |
765 |
93 |
1 |
0 |
0 |
| VODI |
0 |
54 |
153 |
1435 |
411 |
12 |
0 |
0 |
| ODI |
0 |
0 |
1 |
747 |
4213 |
921 |
7 |
0 |
| CDI |
0 |
0 |
0 |
2 |
513 |
8670 |
982 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
582 |
291 |
0 |
|
|
Date: 2025-09-08:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14967 |
4796 |
199 |
202 |
13 |
0 |
0 |
0 |
| OW |
212 |
5259 |
604 |
709 |
59 |
2 |
0 |
0 |
| VODI |
0 |
47 |
108 |
1351 |
313 |
9 |
0 |
0 |
| ODI |
0 |
0 |
1 |
895 |
3037 |
517 |
13 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1289 |
9397 |
1051 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
399 |
390 |
0 |
|
|
Date: 2025-09-10:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14914 |
4926 |
231 |
226 |
23 |
4 |
0 |
0 |
| OW |
0 |
5103 |
607 |
988 |
61 |
3 |
0 |
0 |
| VODI |
0 |
54 |
50 |
1263 |
346 |
12 |
1 |
0 |
| ODI |
0 |
0 |
4 |
1020 |
2476 |
334 |
9 |
0 |
| CDI |
0 |
0 |
0 |
15 |
1895 |
6518 |
1611 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1789 |
1357 |
0 |
|
|
Date: 2025-09-12:
| Best estimate |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15209 |
4900 |
217 |
156 |
13 |
0 |
0 |
0 |
| OW |
102 |
4942 |
502 |
790 |
99 |
6 |
0 |
0 |
| VODI |
0 |
72 |
66 |
1271 |
451 |
17 |
4 |
0 |
| ODI |
0 |
0 |
6 |
880 |
2735 |
461 |
7 |
0 |
| CDI |
0 |
0 |
0 |
9 |
1519 |
5352 |
652 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2671 |
2731 |
0 |
|
|
Generated by /metno/routine/sms/V2/gxSIvalidation/gxSIwebPageSector.sh Fri Sep 19 03:26:26 UTC 2025 on arcval2