Validation of sea ice concentration - European sector
Bulletin date: 2025-11-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-11-07:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82174 |
5703 |
90 |
77 |
10 |
0 |
0 |
0 |
| OW |
1195 |
186 |
63 |
114 |
82 |
4 |
0 |
0 |
| VODI |
3026 |
41 |
58 |
96 |
108 |
29 |
0 |
0 |
| ODI |
0 |
10 |
17 |
77 |
76 |
89 |
1 |
0 |
| CDI |
0 |
1 |
7 |
49 |
142 |
404 |
76 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
27 |
1421 |
6781 |
627 |
|
...date precedes bulletin
|
Date: 2025-11-09:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82244 |
5431 |
134 |
76 |
9 |
0 |
0 |
0 |
| OW |
1180 |
239 |
59 |
64 |
40 |
3 |
0 |
0 |
| VODI |
3047 |
102 |
72 |
119 |
43 |
16 |
0 |
0 |
| ODI |
0 |
19 |
28 |
109 |
73 |
41 |
0 |
0 |
| CDI |
0 |
0 |
10 |
62 |
235 |
300 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1723 |
6674 |
665 |
|
...date precedes bulletin
|
Date: 2025-11-11:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81621 |
5960 |
75 |
101 |
29 |
0 |
0 |
0 |
| OW |
1152 |
271 |
103 |
68 |
56 |
2 |
0 |
0 |
| VODI |
3083 |
27 |
53 |
153 |
87 |
6 |
0 |
0 |
| ODI |
0 |
10 |
12 |
55 |
123 |
31 |
1 |
0 |
| CDI |
0 |
0 |
4 |
32 |
160 |
427 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
985 |
7133 |
992 |
|
...date precedes bulletin
|
Date: 2025-11-13:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81816 |
5353 |
89 |
79 |
37 |
3 |
0 |
0 |
| OW |
1165 |
305 |
45 |
77 |
88 |
23 |
0 |
0 |
| VODI |
3107 |
71 |
95 |
130 |
83 |
33 |
0 |
0 |
| ODI |
0 |
2 |
12 |
100 |
147 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
176 |
505 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1388 |
7483 |
338 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81828 |
5378 |
91 |
91 |
42 |
6 |
0 |
0 |
| OW |
1152 |
287 |
48 |
69 |
85 |
21 |
0 |
0 |
| VODI |
3108 |
65 |
86 |
126 |
91 |
31 |
0 |
0 |
| ODI |
0 |
1 |
16 |
99 |
145 |
42 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
170 |
516 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1380 |
7481 |
338 |
|
Date: 2025-11-15:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81327 |
5239 |
134 |
118 |
9 |
0 |
0 |
0 |
| OW |
1170 |
345 |
70 |
86 |
110 |
7 |
0 |
0 |
| VODI |
3249 |
90 |
90 |
164 |
133 |
14 |
0 |
0 |
| ODI |
0 |
11 |
21 |
114 |
195 |
55 |
0 |
0 |
| CDI |
0 |
4 |
9 |
41 |
256 |
590 |
67 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
2209 |
6926 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81335 |
5273 |
140 |
128 |
16 |
0 |
0 |
0 |
| OW |
1161 |
325 |
71 |
82 |
99 |
5 |
0 |
0 |
| VODI |
3250 |
79 |
85 |
158 |
143 |
16 |
0 |
0 |
| ODI |
0 |
9 |
20 |
114 |
205 |
52 |
0 |
0 |
| CDI |
0 |
3 |
8 |
41 |
240 |
602 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
2200 |
6923 |
0 |
|
Date: 2025-11-17:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80859 |
5651 |
136 |
125 |
16 |
4 |
0 |
0 |
| OW |
1109 |
445 |
122 |
73 |
41 |
4 |
0 |
0 |
| VODI |
3258 |
62 |
86 |
219 |
131 |
62 |
0 |
0 |
| ODI |
0 |
6 |
16 |
139 |
155 |
107 |
0 |
0 |
| CDI |
0 |
0 |
4 |
33 |
259 |
515 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
19 |
3390 |
5368 |
434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80783 |
5416 |
142 |
141 |
19 |
0 |
0 |
0 |
| OW |
1172 |
512 |
35 |
50 |
61 |
16 |
0 |
0 |
| VODI |
3271 |
213 |
133 |
124 |
66 |
63 |
0 |
0 |
| ODI |
0 |
22 |
45 |
185 |
142 |
58 |
2 |
0 |
| CDI |
0 |
1 |
9 |
93 |
296 |
469 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
3476 |
5358 |
434 |
|
Date: 2025-11-19:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80204 |
5990 |
97 |
156 |
49 |
13 |
0 |
0 |
| OW |
1111 |
467 |
83 |
80 |
34 |
19 |
0 |
0 |
| VODI |
3278 |
129 |
106 |
150 |
114 |
57 |
0 |
0 |
| ODI |
0 |
3 |
28 |
171 |
148 |
117 |
6 |
0 |
| CDI |
0 |
0 |
2 |
41 |
193 |
639 |
50 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
6 |
2542 |
6748 |
30 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80098 |
5649 |
102 |
166 |
59 |
14 |
0 |
0 |
| OW |
1208 |
577 |
39 |
56 |
46 |
23 |
0 |
0 |
| VODI |
3287 |
328 |
96 |
95 |
71 |
83 |
1 |
0 |
| ODI |
0 |
35 |
74 |
202 |
110 |
83 |
5 |
0 |
| CDI |
0 |
0 |
5 |
80 |
256 |
621 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2563 |
6739 |
30 |
|
Date: 2025-11-21:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80461 |
5871 |
43 |
43 |
7 |
0 |
0 |
0 |
| OW |
1105 |
440 |
92 |
93 |
40 |
0 |
0 |
0 |
| VODI |
3296 |
148 |
65 |
182 |
119 |
8 |
0 |
0 |
| ODI |
0 |
34 |
44 |
107 |
181 |
87 |
0 |
0 |
| CDI |
0 |
1 |
6 |
67 |
327 |
437 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
1729 |
7630 |
57 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80289 |
5446 |
56 |
50 |
9 |
0 |
0 |
0 |
| OW |
1190 |
616 |
66 |
90 |
45 |
0 |
0 |
0 |
| VODI |
3383 |
263 |
59 |
140 |
120 |
44 |
0 |
0 |
| ODI |
0 |
135 |
33 |
85 |
182 |
93 |
0 |
0 |
| CDI |
0 |
34 |
36 |
127 |
316 |
337 |
145 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
1787 |
7574 |
57 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri Nov 28 02:06:32 UTC 2025 on arcval2