Validation of sea ice concentration - European sector
Bulletin date: 2025-08-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-08-08:
| 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 |
85656 |
3255 |
44 |
21 |
1 |
0 |
0 |
0 |
| OW |
2180 |
1811 |
235 |
236 |
28 |
2 |
0 |
0 |
| VODI |
1845 |
239 |
71 |
323 |
217 |
28 |
0 |
0 |
| ODI |
0 |
13 |
25 |
105 |
1914 |
147 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
1053 |
2304 |
864 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
38 |
200 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-10:
| 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 |
85917 |
3348 |
39 |
20 |
0 |
0 |
0 |
0 |
| OW |
2131 |
1763 |
244 |
225 |
40 |
8 |
0 |
0 |
| VODI |
1812 |
238 |
62 |
274 |
185 |
49 |
0 |
0 |
| ODI |
0 |
22 |
26 |
122 |
1919 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
1127 |
2826 |
164 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
77 |
68 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-12:
| 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 |
86616 |
3626 |
68 |
24 |
0 |
0 |
0 |
0 |
| OW |
2246 |
1286 |
217 |
208 |
25 |
0 |
0 |
0 |
| VODI |
1723 |
5 |
47 |
310 |
192 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
2590 |
283 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
693 |
1932 |
499 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
47 |
119 |
0 |
|
...date precedes bulletin
|
Date: 2025-08-14:
| 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 |
86516 |
4013 |
99 |
50 |
3 |
0 |
0 |
0 |
| OW |
2318 |
1162 |
212 |
188 |
35 |
5 |
0 |
0 |
| VODI |
1555 |
7 |
34 |
288 |
192 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
2539 |
345 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
621 |
2315 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
97 |
108 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86442 |
4124 |
153 |
75 |
3 |
0 |
0 |
0 |
| OW |
2264 |
1050 |
147 |
161 |
43 |
4 |
0 |
0 |
| VODI |
1683 |
8 |
45 |
280 |
177 |
25 |
0 |
0 |
| ODI |
0 |
0 |
0 |
93 |
2670 |
390 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
497 |
2278 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
83 |
98 |
0 |
|
Date: 2025-08-16:
| 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 |
86672 |
4066 |
50 |
7 |
2 |
0 |
0 |
0 |
| OW |
2338 |
1090 |
149 |
179 |
35 |
3 |
0 |
0 |
| VODI |
1514 |
20 |
57 |
325 |
216 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
132 |
2817 |
237 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
562 |
1748 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
479 |
34 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86680 |
4158 |
86 |
38 |
4 |
0 |
0 |
0 |
| OW |
2331 |
984 |
114 |
151 |
46 |
2 |
0 |
0 |
| VODI |
1513 |
34 |
56 |
307 |
187 |
10 |
0 |
0 |
| ODI |
0 |
0 |
0 |
147 |
2876 |
292 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
518 |
1616 |
90 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
554 |
34 |
0 |
|
Date: 2025-08-18:
| 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 |
87120 |
4241 |
18 |
3 |
0 |
0 |
0 |
0 |
| OW |
2449 |
438 |
146 |
103 |
7 |
1 |
0 |
0 |
| VODI |
1379 |
0 |
36 |
348 |
90 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
68 |
2735 |
217 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
359 |
2175 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
327 |
551 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87024 |
3774 |
47 |
31 |
4 |
0 |
0 |
0 |
| OW |
2316 |
857 |
95 |
140 |
28 |
6 |
0 |
0 |
| VODI |
1608 |
48 |
57 |
291 |
264 |
23 |
0 |
0 |
| ODI |
0 |
0 |
1 |
60 |
2656 |
545 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
239 |
1814 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
338 |
529 |
0 |
|
Date: 2025-08-20:
| 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 |
87376 |
3877 |
32 |
8 |
0 |
0 |
0 |
0 |
| OW |
2462 |
470 |
134 |
85 |
7 |
0 |
0 |
0 |
| VODI |
1342 |
12 |
61 |
310 |
159 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
76 |
2195 |
548 |
3 |
0 |
| CDI |
0 |
0 |
0 |
0 |
266 |
1753 |
612 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
11 |
1047 |
5 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87353 |
3357 |
52 |
24 |
5 |
0 |
0 |
0 |
| OW |
2388 |
922 |
99 |
97 |
13 |
2 |
0 |
0 |
| VODI |
1439 |
80 |
76 |
289 |
274 |
54 |
0 |
0 |
| ODI |
0 |
0 |
0 |
69 |
2146 |
898 |
24 |
0 |
| CDI |
0 |
0 |
0 |
0 |
189 |
1355 |
585 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
11 |
1053 |
5 |
|
Date: 2025-08-22:
| 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 |
87178 |
3994 |
25 |
6 |
0 |
0 |
0 |
0 |
| OW |
2475 |
465 |
134 |
131 |
1 |
0 |
0 |
0 |
| VODI |
1305 |
29 |
68 |
338 |
189 |
6 |
0 |
0 |
| ODI |
0 |
0 |
2 |
85 |
1563 |
831 |
9 |
0 |
| CDI |
0 |
0 |
0 |
3 |
482 |
1931 |
606 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
7 |
206 |
790 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87158 |
3477 |
40 |
24 |
0 |
0 |
0 |
0 |
| OW |
2400 |
929 |
98 |
148 |
6 |
0 |
0 |
0 |
| VODI |
1400 |
82 |
90 |
323 |
296 |
57 |
0 |
0 |
| ODI |
0 |
0 |
1 |
65 |
1525 |
1128 |
48 |
0 |
| CDI |
0 |
0 |
0 |
3 |
409 |
1578 |
604 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
6 |
211 |
753 |
0 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri Aug 29 02:11:50 UTC 2025 on arcval2