Validation of sea ice concentration - European sector
Bulletin date: 2025-11-13
Data source: OSI SAF N.H. multi-product 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 |
83950 |
5452 |
141 |
156 |
6 |
0 |
0 |
0 |
| OW |
0 |
71 |
110 |
212 |
67 |
0 |
0 |
0 |
| VODI |
0 |
2 |
23 |
194 |
97 |
18 |
0 |
0 |
| ODI |
0 |
0 |
1 |
106 |
114 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
38 |
297 |
346 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
60 |
2026 |
6725 |
140 |
|
...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 |
83585 |
5699 |
134 |
126 |
5 |
0 |
0 |
0 |
| OW |
0 |
93 |
132 |
153 |
39 |
0 |
0 |
0 |
| VODI |
0 |
9 |
42 |
247 |
52 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
167 |
76 |
28 |
0 |
0 |
| CDI |
0 |
0 |
0 |
66 |
401 |
164 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
130 |
2359 |
6067 |
638 |
|
...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 |
83522 |
5650 |
133 |
129 |
13 |
0 |
0 |
0 |
| OW |
3 |
118 |
139 |
197 |
54 |
3 |
0 |
0 |
| VODI |
0 |
1 |
12 |
246 |
68 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
96 |
134 |
3 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
381 |
268 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
27 |
1296 |
7045 |
853 |
|
...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 |
83032 |
5729 |
105 |
141 |
32 |
0 |
0 |
0 |
| OW |
32 |
167 |
123 |
145 |
101 |
17 |
0 |
0 |
| VODI |
0 |
6 |
58 |
237 |
98 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
119 |
169 |
19 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
372 |
360 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
1597 |
7431 |
281 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83044 |
5746 |
111 |
160 |
38 |
1 |
0 |
0 |
| OW |
20 |
150 |
127 |
130 |
100 |
14 |
0 |
0 |
| VODI |
0 |
6 |
48 |
230 |
102 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
121 |
165 |
19 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
374 |
362 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1596 |
7428 |
281 |
|
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 |
81973 |
6295 |
109 |
192 |
3 |
0 |
0 |
0 |
| OW |
96 |
217 |
124 |
184 |
103 |
3 |
0 |
0 |
| VODI |
4 |
14 |
40 |
295 |
138 |
6 |
0 |
0 |
| ODI |
0 |
0 |
2 |
137 |
249 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
38 |
444 |
486 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
2215 |
6986 |
23 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81982 |
6317 |
120 |
213 |
5 |
0 |
0 |
0 |
| OW |
88 |
200 |
119 |
178 |
96 |
2 |
0 |
0 |
| VODI |
3 |
9 |
36 |
284 |
149 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
140 |
250 |
12 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
439 |
486 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
2215 |
6978 |
23 |
|
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 |
82640 |
5562 |
164 |
156 |
22 |
1 |
0 |
0 |
| OW |
43 |
241 |
164 |
248 |
32 |
4 |
0 |
0 |
| VODI |
0 |
20 |
20 |
361 |
124 |
41 |
0 |
0 |
| ODI |
0 |
0 |
1 |
177 |
207 |
40 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
467 |
332 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
17 |
3102 |
5571 |
632 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82564 |
5345 |
143 |
184 |
12 |
0 |
0 |
0 |
| OW |
107 |
400 |
106 |
110 |
63 |
6 |
0 |
0 |
| VODI |
12 |
78 |
93 |
317 |
75 |
42 |
0 |
0 |
| ODI |
0 |
0 |
7 |
272 |
150 |
26 |
0 |
0 |
| CDI |
0 |
0 |
0 |
86 |
513 |
291 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
3155 |
5571 |
632 |
|
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 |
82057 |
5822 |
136 |
207 |
41 |
0 |
0 |
0 |
| OW |
61 |
368 |
124 |
156 |
39 |
3 |
0 |
0 |
| VODI |
0 |
49 |
85 |
277 |
109 |
43 |
0 |
0 |
| ODI |
0 |
0 |
2 |
242 |
186 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
63 |
483 |
384 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
2197 |
7017 |
200 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81950 |
5487 |
122 |
223 |
49 |
0 |
0 |
0 |
| OW |
155 |
526 |
70 |
100 |
58 |
3 |
0 |
0 |
| VODI |
13 |
206 |
120 |
216 |
86 |
54 |
0 |
0 |
| ODI |
0 |
20 |
35 |
295 |
114 |
47 |
0 |
0 |
| CDI |
0 |
0 |
0 |
111 |
550 |
364 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
2203 |
7016 |
200 |
|
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 |
82267 |
5763 |
89 |
53 |
9 |
0 |
0 |
0 |
| OW |
65 |
323 |
151 |
167 |
29 |
0 |
0 |
0 |
| VODI |
3 |
85 |
62 |
307 |
69 |
9 |
0 |
0 |
| ODI |
0 |
3 |
20 |
205 |
201 |
26 |
0 |
0 |
| CDI |
0 |
0 |
0 |
92 |
564 |
268 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
74 |
1669 |
6232 |
1603 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82091 |
5334 |
84 |
78 |
5 |
0 |
0 |
0 |
| OW |
148 |
515 |
133 |
147 |
31 |
1 |
0 |
0 |
| VODI |
94 |
216 |
44 |
247 |
100 |
32 |
0 |
0 |
| ODI |
2 |
87 |
47 |
170 |
218 |
10 |
0 |
0 |
| CDI |
0 |
22 |
14 |
182 |
465 |
303 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
127 |
1626 |
6228 |
1603 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICmultiWebPage5sector.sh Fri Nov 28 02:31:55 UTC 2025 on arcval2