Validation of sea ice concentration - Full domain
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 |
13499 |
164 |
107 |
10 |
0 |
0 |
0 |
| OW |
690 |
1444 |
364 |
537 |
195 |
14 |
2 |
18 |
| VODI |
1859 |
313 |
256 |
1038 |
685 |
201 |
57 |
55 |
| ODI |
1823 |
49 |
68 |
519 |
1285 |
751 |
246 |
50 |
| CDI |
0 |
13 |
30 |
255 |
1233 |
4613 |
3178 |
90 |
| VCDI |
0 |
1 |
7 |
143 |
979 |
5277 |
35863 |
43594 |
|
...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 |
12972 |
103 |
44 |
10 |
1 |
0 |
0 |
| OW |
708 |
1460 |
397 |
570 |
182 |
59 |
5 |
2 |
| VODI |
1882 |
482 |
231 |
882 |
782 |
242 |
64 |
70 |
| ODI |
1790 |
150 |
110 |
540 |
1444 |
918 |
232 |
56 |
| CDI |
0 |
35 |
45 |
289 |
1727 |
5542 |
3125 |
112 |
| VCDI |
0 |
17 |
18 |
89 |
971 |
5765 |
36302 |
40638 |
|
...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 |
13437 |
78 |
65 |
5 |
0 |
0 |
0 |
| OW |
803 |
1441 |
363 |
436 |
130 |
15 |
1 |
0 |
| VODI |
1897 |
426 |
389 |
1207 |
702 |
143 |
28 |
9 |
| ODI |
1771 |
28 |
64 |
634 |
1988 |
792 |
74 |
21 |
| CDI |
0 |
35 |
22 |
354 |
2063 |
6782 |
1920 |
118 |
| VCDI |
0 |
13 |
7 |
108 |
634 |
4498 |
35771 |
41832 |
|
...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 |
13552 |
89 |
102 |
21 |
1 |
0 |
0 |
| OW |
778 |
1743 |
354 |
466 |
115 |
28 |
2 |
10 |
| VODI |
1940 |
480 |
411 |
1335 |
827 |
192 |
59 |
29 |
| ODI |
1734 |
82 |
92 |
774 |
1863 |
922 |
196 |
56 |
| CDI |
0 |
56 |
89 |
447 |
2448 |
5475 |
2523 |
150 |
| VCDI |
0 |
11 |
25 |
198 |
1013 |
6087 |
38109 |
36612 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59297 |
13505 |
97 |
110 |
24 |
2 |
0 |
0 |
| OW |
795 |
1796 |
358 |
478 |
121 |
30 |
2 |
15 |
| VODI |
1940 |
473 |
396 |
1334 |
850 |
218 |
70 |
28 |
| ODI |
1734 |
86 |
98 |
768 |
1865 |
939 |
200 |
94 |
| CDI |
0 |
51 |
89 |
424 |
2456 |
5539 |
2668 |
109 |
| VCDI |
0 |
13 |
22 |
208 |
971 |
5977 |
37949 |
36611 |
|
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 |
13075 |
72 |
91 |
26 |
0 |
0 |
10 |
| OW |
836 |
2029 |
345 |
439 |
159 |
44 |
10 |
30 |
| VODI |
1969 |
829 |
473 |
1274 |
813 |
221 |
106 |
67 |
| ODI |
1688 |
208 |
171 |
915 |
1820 |
831 |
271 |
86 |
| CDI |
0 |
236 |
156 |
690 |
2529 |
5378 |
2855 |
72 |
| VCDI |
0 |
99 |
78 |
315 |
783 |
5816 |
42569 |
30664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59648 |
13115 |
76 |
100 |
34 |
3 |
0 |
20 |
| OW |
851 |
1995 |
339 |
469 |
168 |
54 |
19 |
31 |
| VODI |
1969 |
847 |
483 |
1223 |
800 |
240 |
108 |
62 |
| ODI |
1687 |
193 |
165 |
929 |
1857 |
812 |
269 |
83 |
| CDI |
0 |
224 |
146 |
642 |
2474 |
5633 |
2872 |
73 |
| VCDI |
0 |
102 |
86 |
361 |
797 |
5548 |
42543 |
30660 |
|
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 |
60236 |
13110 |
93 |
93 |
4 |
1 |
0 |
3 |
| OW |
829 |
2176 |
374 |
401 |
59 |
9 |
7 |
15 |
| VODI |
2015 |
748 |
642 |
2066 |
820 |
88 |
33 |
32 |
| ODI |
1626 |
97 |
119 |
1014 |
3427 |
1092 |
101 |
67 |
| CDI |
0 |
42 |
41 |
353 |
2508 |
6613 |
2186 |
95 |
| VCDI |
0 |
26 |
14 |
53 |
214 |
5255 |
44865 |
27148 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60187 |
12514 |
76 |
108 |
8 |
0 |
2 |
66 |
| OW |
875 |
2005 |
349 |
497 |
142 |
36 |
15 |
47 |
| VODI |
1999 |
923 |
414 |
1384 |
918 |
336 |
108 |
49 |
| ODI |
1645 |
325 |
220 |
1029 |
2004 |
1085 |
280 |
61 |
| CDI |
0 |
356 |
162 |
736 |
3283 |
5059 |
3852 |
67 |
| VCDI |
0 |
76 |
62 |
226 |
677 |
6542 |
42935 |
27070 |
|
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 |
61770 |
11926 |
36 |
12 |
1 |
0 |
8 |
0 |
| OW |
813 |
2517 |
416 |
303 |
47 |
11 |
27 |
0 |
| VODI |
2058 |
895 |
649 |
2020 |
1022 |
112 |
108 |
0 |
| ODI |
1574 |
182 |
138 |
1016 |
2926 |
1036 |
225 |
0 |
| CDI |
0 |
71 |
76 |
504 |
2895 |
6882 |
2948 |
68 |
| VCDI |
0 |
10 |
17 |
56 |
463 |
9723 |
48531 |
16718 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61734 |
11365 |
74 |
33 |
6 |
4 |
85 |
0 |
| OW |
845 |
2184 |
317 |
388 |
128 |
18 |
48 |
0 |
| VODI |
2040 |
1112 |
458 |
1431 |
1038 |
263 |
157 |
0 |
| ODI |
1596 |
422 |
276 |
1117 |
2171 |
1209 |
367 |
5 |
| CDI |
0 |
449 |
148 |
765 |
3192 |
6381 |
4130 |
25 |
| VCDI |
0 |
69 |
59 |
177 |
819 |
9889 |
47060 |
16756 |
|
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 |
61875 |
11859 |
58 |
44 |
8 |
2 |
0 |
17 |
| OW |
895 |
2735 |
384 |
340 |
101 |
10 |
16 |
31 |
| VODI |
2218 |
1119 |
664 |
2110 |
1041 |
109 |
77 |
59 |
| ODI |
1269 |
299 |
175 |
1305 |
2538 |
904 |
335 |
48 |
| CDI |
0 |
147 |
134 |
785 |
2664 |
6754 |
3482 |
32 |
| VCDI |
0 |
146 |
32 |
201 |
695 |
6706 |
49793 |
16594 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61804 |
11506 |
118 |
108 |
45 |
7 |
1 |
103 |
| OW |
825 |
2098 |
310 |
469 |
173 |
37 |
32 |
29 |
| VODI |
2087 |
1355 |
430 |
1556 |
979 |
242 |
179 |
20 |
| ODI |
1541 |
538 |
292 |
1309 |
1892 |
1043 |
530 |
16 |
| CDI |
0 |
608 |
214 |
972 |
3173 |
6647 |
4679 |
22 |
| VCDI |
0 |
200 |
83 |
371 |
785 |
6509 |
48282 |
16591 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5.sh Fri May 23 02:14:01 UTC 2025 on arcval2