Validation of sea ice concentration - European sector
Bulletin date: 2025-05-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-05-02:
| 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 |
59235 |
13281 |
159 |
104 |
8 |
0 |
0 |
0 |
| OW |
690 |
1246 |
344 |
500 |
168 |
8 |
1 |
0 |
| VODI |
1859 |
241 |
192 |
784 |
540 |
189 |
41 |
0 |
| ODI |
1823 |
24 |
42 |
309 |
885 |
634 |
181 |
0 |
| CDI |
0 |
2 |
3 |
49 |
641 |
3605 |
2332 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
43 |
1369 |
7422 |
3903 |
|
...date precedes bulletin
|
Date: 2025-05-04:
| 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 |
59747 |
12735 |
98 |
41 |
10 |
0 |
0 |
0 |
| OW |
708 |
1206 |
388 |
552 |
164 |
23 |
1 |
0 |
| VODI |
1882 |
280 |
187 |
779 |
583 |
188 |
54 |
0 |
| ODI |
1790 |
54 |
58 |
365 |
1078 |
765 |
169 |
0 |
| CDI |
0 |
3 |
7 |
65 |
838 |
4345 |
1933 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
50 |
843 |
9231 |
1641 |
|
...date precedes bulletin
|
Date: 2025-05-06:
| 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 |
59706 |
13034 |
71 |
59 |
5 |
0 |
0 |
0 |
| OW |
803 |
1089 |
324 |
391 |
121 |
13 |
0 |
0 |
| VODI |
1897 |
294 |
306 |
999 |
575 |
117 |
19 |
0 |
| ODI |
1771 |
4 |
23 |
383 |
1500 |
607 |
39 |
0 |
| CDI |
0 |
0 |
0 |
62 |
940 |
4591 |
1011 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
67 |
1376 |
8550 |
2102 |
|
...date precedes bulletin
|
Date: 2025-05-08:
| 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 |
59314 |
13120 |
87 |
99 |
20 |
1 |
0 |
0 |
| OW |
777 |
1381 |
331 |
441 |
96 |
22 |
0 |
0 |
| VODI |
1928 |
325 |
282 |
1018 |
651 |
171 |
38 |
0 |
| ODI |
1734 |
11 |
29 |
441 |
1465 |
794 |
110 |
0 |
| CDI |
0 |
6 |
5 |
77 |
1201 |
3893 |
1690 |
1 |
| VCDI |
0 |
0 |
9 |
39 |
146 |
2108 |
7477 |
1524 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59297 |
13071 |
95 |
106 |
20 |
2 |
0 |
0 |
| OW |
794 |
1432 |
327 |
436 |
103 |
24 |
0 |
0 |
| VODI |
1928 |
322 |
276 |
1006 |
662 |
195 |
46 |
0 |
| ODI |
1734 |
14 |
32 |
450 |
1469 |
806 |
109 |
0 |
| CDI |
0 |
4 |
7 |
77 |
1193 |
3888 |
1764 |
1 |
| VCDI |
0 |
0 |
6 |
40 |
132 |
2074 |
7396 |
1524 |
|
Date: 2025-05-10:
| 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 |
59662 |
12693 |
67 |
79 |
23 |
0 |
0 |
0 |
| OW |
820 |
1653 |
307 |
384 |
140 |
32 |
5 |
0 |
| VODI |
1966 |
508 |
337 |
984 |
685 |
199 |
67 |
0 |
| ODI |
1688 |
84 |
74 |
567 |
1499 |
711 |
151 |
0 |
| CDI |
0 |
26 |
25 |
169 |
1544 |
3859 |
1695 |
1 |
| VCDI |
0 |
17 |
11 |
39 |
92 |
1470 |
7900 |
629 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59648 |
12724 |
72 |
84 |
28 |
1 |
0 |
0 |
| OW |
835 |
1633 |
301 |
400 |
147 |
45 |
10 |
0 |
| VODI |
1966 |
509 |
342 |
949 |
670 |
218 |
70 |
0 |
| ODI |
1687 |
74 |
71 |
583 |
1514 |
700 |
149 |
0 |
| CDI |
0 |
25 |
24 |
169 |
1523 |
3823 |
1700 |
1 |
| VCDI |
0 |
16 |
11 |
37 |
101 |
1484 |
7889 |
629 |
|
Date: 2025-05-12:
| 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 |
60214 |
12641 |
93 |
79 |
3 |
0 |
0 |
0 |
| OW |
808 |
1612 |
321 |
352 |
43 |
6 |
0 |
0 |
| VODI |
2015 |
357 |
402 |
1525 |
668 |
73 |
10 |
0 |
| ODI |
1626 |
24 |
38 |
523 |
2579 |
924 |
33 |
0 |
| CDI |
0 |
19 |
14 |
157 |
1241 |
3557 |
1004 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
24 |
1263 |
8591 |
15 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60167 |
12120 |
75 |
88 |
7 |
0 |
0 |
0 |
| OW |
852 |
1744 |
316 |
423 |
115 |
31 |
9 |
0 |
| VODI |
1999 |
593 |
289 |
1086 |
770 |
291 |
42 |
0 |
| ODI |
1645 |
147 |
149 |
736 |
1589 |
937 |
86 |
0 |
| CDI |
0 |
42 |
31 |
284 |
1991 |
3080 |
1905 |
0 |
| VCDI |
0 |
7 |
8 |
27 |
86 |
1484 |
7596 |
15 |
|
Date: 2025-05-14:
| 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 |
61763 |
11311 |
27 |
8 |
0 |
0 |
0 |
0 |
| OW |
813 |
1892 |
326 |
238 |
26 |
6 |
0 |
0 |
| VODI |
2058 |
465 |
471 |
1614 |
814 |
85 |
10 |
0 |
| ODI |
1574 |
33 |
55 |
580 |
2243 |
816 |
22 |
0 |
| CDI |
0 |
22 |
16 |
147 |
1381 |
3474 |
1174 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
18 |
1673 |
7653 |
52 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61727 |
10839 |
66 |
28 |
5 |
4 |
0 |
0 |
| OW |
845 |
1922 |
260 |
321 |
100 |
15 |
1 |
0 |
| VODI |
2040 |
712 |
363 |
1208 |
883 |
210 |
24 |
0 |
| ODI |
1596 |
198 |
174 |
779 |
1645 |
983 |
64 |
0 |
| CDI |
0 |
50 |
30 |
236 |
1793 |
3241 |
1948 |
0 |
| VCDI |
0 |
2 |
2 |
17 |
56 |
1601 |
6822 |
52 |
|
Date: 2025-05-16:
| 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 |
61859 |
11143 |
43 |
34 |
8 |
2 |
0 |
0 |
| OW |
895 |
2027 |
312 |
247 |
79 |
8 |
9 |
0 |
| VODI |
2218 |
581 |
486 |
1813 |
814 |
63 |
22 |
0 |
| ODI |
1269 |
46 |
55 |
799 |
1939 |
742 |
57 |
0 |
| CDI |
0 |
17 |
22 |
169 |
1382 |
3811 |
1565 |
0 |
| VCDI |
0 |
0 |
1 |
8 |
47 |
1558 |
6666 |
46 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61788 |
10844 |
102 |
103 |
45 |
6 |
0 |
0 |
| OW |
825 |
1790 |
259 |
384 |
150 |
34 |
10 |
0 |
| VODI |
2087 |
887 |
359 |
1404 |
829 |
178 |
26 |
0 |
| ODI |
1541 |
251 |
156 |
856 |
1369 |
874 |
92 |
0 |
| CDI |
0 |
42 |
43 |
321 |
1821 |
3512 |
2138 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
55 |
1580 |
6053 |
46 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri May 23 02:13:24 UTC 2025 on arcval2