Validation of sea ice concentration - Full domain
Bulletin date: 2025-07-15
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-15:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
45476 |
18049 |
57 |
354 |
68 |
8 |
0 |
0 |
| OW |
138 |
1560 |
50 |
391 |
138 |
19 |
3 |
0 |
| VODI |
47 |
2175 |
113 |
1149 |
793 |
331 |
38 |
0 |
| ODI |
1 |
1377 |
137 |
2019 |
3061 |
2619 |
104 |
0 |
| CDI |
0 |
429 |
55 |
1435 |
6460 |
13849 |
865 |
0 |
| VCDI |
0 |
57 |
5 |
412 |
7180 |
20928 |
2483 |
0 |
|
Date: 2025-07-17:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
46621 |
21322 |
175 |
1727 |
492 |
89 |
4 |
0 |
| OW |
0 |
368 |
15 |
377 |
261 |
41 |
4 |
0 |
| VODI |
0 |
674 |
75 |
805 |
883 |
280 |
33 |
0 |
| ODI |
0 |
877 |
87 |
1410 |
2850 |
2176 |
171 |
0 |
| CDI |
0 |
409 |
61 |
1221 |
6328 |
13582 |
1118 |
0 |
| VCDI |
0 |
124 |
17 |
624 |
6669 |
19877 |
2586 |
0 |
|
Date: 2025-07-19:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
47420 |
22095 |
232 |
2064 |
823 |
119 |
15 |
0 |
| OW |
5 |
265 |
14 |
246 |
205 |
40 |
7 |
0 |
| VODI |
5 |
564 |
46 |
606 |
692 |
302 |
21 |
0 |
| ODI |
15 |
864 |
87 |
1191 |
2336 |
2436 |
132 |
0 |
| CDI |
5 |
558 |
64 |
1230 |
6457 |
13367 |
834 |
0 |
| VCDI |
3 |
276 |
20 |
641 |
6485 |
20395 |
1251 |
0 |
|
Date: 2025-07-21:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
49888 |
20694 |
223 |
2115 |
990 |
155 |
15 |
0 |
| OW |
4 |
309 |
13 |
254 |
181 |
37 |
10 |
0 |
| VODI |
3 |
609 |
46 |
558 |
620 |
315 |
55 |
0 |
| ODI |
1 |
980 |
85 |
1096 |
2362 |
2084 |
170 |
0 |
| CDI |
2 |
744 |
62 |
1287 |
6729 |
12019 |
1058 |
0 |
| VCDI |
0 |
404 |
18 |
839 |
6558 |
18736 |
2105 |
0 |
|
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