Validation of sea ice concentration - Full domain
Bulletin date: 2025-08-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-05:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60009 |
13521 |
30 |
179 |
43 |
2 |
0 |
0 |
| OW |
84 |
2052 |
36 |
199 |
55 |
8 |
1 |
0 |
| VODI |
67 |
3124 |
91 |
764 |
333 |
231 |
28 |
0 |
| ODI |
2 |
2115 |
220 |
2268 |
2562 |
2341 |
409 |
0 |
| CDI |
1 |
925 |
121 |
2591 |
7152 |
8922 |
2121 |
0 |
| VCDI |
0 |
84 |
15 |
1095 |
4687 |
9295 |
6635 |
15 |
|
Date: 2025-08-07:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61700 |
17878 |
134 |
983 |
236 |
43 |
1 |
0 |
| OW |
2 |
438 |
31 |
228 |
90 |
35 |
3 |
0 |
| VODI |
0 |
622 |
48 |
541 |
378 |
278 |
32 |
0 |
| ODI |
0 |
1203 |
124 |
1752 |
2406 |
2302 |
456 |
19 |
| CDI |
0 |
778 |
140 |
2342 |
6522 |
8264 |
2714 |
206 |
| VCDI |
0 |
143 |
34 |
1246 |
4961 |
9168 |
5081 |
871 |
|
Date: 2025-08-09:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62338 |
18470 |
181 |
1203 |
299 |
43 |
1 |
0 |
| OW |
0 |
298 |
15 |
176 |
90 |
25 |
5 |
0 |
| VODI |
0 |
533 |
40 |
541 |
414 |
227 |
67 |
0 |
| ODI |
0 |
1089 |
106 |
1681 |
2558 |
1916 |
424 |
3 |
| CDI |
0 |
951 |
136 |
2275 |
6971 |
7784 |
2075 |
111 |
| VCDI |
0 |
379 |
58 |
1267 |
4439 |
8642 |
5765 |
837 |
|
Date: 2025-08-11:
| Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63070 |
18526 |
173 |
1217 |
420 |
74 |
0 |
0 |
| OW |
0 |
236 |
22 |
154 |
104 |
38 |
1 |
0 |
| VODI |
0 |
436 |
39 |
494 |
414 |
261 |
42 |
0 |
| ODI |
0 |
1044 |
112 |
1694 |
2567 |
1938 |
286 |
0 |
| CDI |
0 |
1052 |
124 |
2408 |
7169 |
7814 |
1646 |
6 |
| VCDI |
0 |
402 |
74 |
1267 |
4667 |
9946 |
4488 |
8 |
|
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