Validation of sea ice concentration - Full domain
Bulletin date: 2025-04-03
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-03-28:
| 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 |
66120 |
16158 |
346 |
393 |
35 |
0 |
0 |
0 |
| OW |
8 |
1300 |
393 |
855 |
242 |
20 |
0 |
0 |
| VODI |
12 |
320 |
130 |
1110 |
569 |
85 |
4 |
0 |
| ODI |
1 |
110 |
21 |
484 |
1170 |
412 |
12 |
9 |
| CDI |
0 |
74 |
47 |
174 |
1304 |
3325 |
534 |
107 |
| VCDI |
0 |
22 |
31 |
173 |
736 |
7119 |
26246 |
64532 |
|
...date precedes bulletin
|
Date: 2025-03-30:
| 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 |
66085 |
16031 |
280 |
453 |
54 |
0 |
0 |
0 |
| OW |
7 |
1439 |
388 |
737 |
327 |
8 |
0 |
0 |
| VODI |
4 |
321 |
146 |
1065 |
712 |
117 |
4 |
0 |
| ODI |
1 |
82 |
35 |
486 |
1244 |
547 |
18 |
6 |
| CDI |
1 |
48 |
41 |
258 |
1268 |
3404 |
910 |
129 |
| VCDI |
4 |
14 |
0 |
93 |
629 |
7208 |
28739 |
61400 |
|
...date precedes bulletin
|
Date: 2025-04-01:
| 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 |
65491 |
17228 |
403 |
422 |
72 |
2 |
0 |
0 |
| OW |
28 |
1028 |
369 |
990 |
207 |
6 |
0 |
0 |
| VODI |
5 |
183 |
142 |
1189 |
967 |
70 |
1 |
0 |
| ODI |
0 |
27 |
15 |
300 |
1288 |
518 |
21 |
5 |
| CDI |
0 |
7 |
3 |
177 |
1020 |
3948 |
1337 |
31 |
| VCDI |
0 |
2 |
0 |
17 |
390 |
5310 |
30408 |
61116 |
|
...date precedes bulletin
|
Date: 2025-04-03:
| 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 |
65338 |
17248 |
412 |
474 |
64 |
0 |
0 |
0 |
| OW |
1 |
1033 |
371 |
1081 |
257 |
12 |
2 |
0 |
| VODI |
2 |
265 |
134 |
1013 |
901 |
276 |
8 |
0 |
| ODI |
2 |
46 |
44 |
264 |
1104 |
862 |
71 |
9 |
| CDI |
1 |
14 |
14 |
205 |
966 |
3132 |
1411 |
62 |
| VCDI |
4 |
1 |
0 |
55 |
424 |
5446 |
24717 |
66997 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65338 |
17325 |
444 |
509 |
72 |
0 |
0 |
0 |
| OW |
1 |
950 |
328 |
1069 |
266 |
38 |
3 |
0 |
| VODI |
2 |
275 |
140 |
986 |
904 |
237 |
7 |
0 |
| ODI |
2 |
45 |
48 |
260 |
1107 |
840 |
128 |
10 |
| CDI |
1 |
11 |
15 |
208 |
945 |
3260 |
1442 |
63 |
| VCDI |
4 |
1 |
0 |
60 |
422 |
5353 |
24629 |
66995 |
|
Date: 2025-04-05:
| 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 |
65125 |
16591 |
399 |
498 |
71 |
1 |
0 |
0 |
| OW |
0 |
1224 |
331 |
1128 |
252 |
13 |
0 |
0 |
| VODI |
0 |
316 |
126 |
963 |
987 |
294 |
1 |
0 |
| ODI |
0 |
73 |
50 |
306 |
939 |
908 |
78 |
34 |
| CDI |
0 |
23 |
38 |
276 |
1165 |
4121 |
1604 |
226 |
| VCDI |
0 |
11 |
9 |
66 |
266 |
4450 |
22619 |
69161 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65125 |
16682 |
416 |
542 |
72 |
0 |
0 |
0 |
| OW |
0 |
1115 |
305 |
1084 |
277 |
20 |
0 |
0 |
| VODI |
0 |
324 |
135 |
956 |
971 |
299 |
1 |
0 |
| ODI |
0 |
77 |
47 |
305 |
990 |
891 |
179 |
32 |
| CDI |
0 |
28 |
40 |
268 |
1094 |
4285 |
1683 |
267 |
| VCDI |
0 |
12 |
10 |
82 |
276 |
4292 |
22439 |
69122 |
|
Date: 2025-04-07:
| 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 |
64694 |
17223 |
427 |
622 |
72 |
0 |
0 |
0 |
| OW |
15 |
1104 |
445 |
1088 |
301 |
6 |
0 |
0 |
| VODI |
0 |
65 |
68 |
1176 |
1159 |
127 |
1 |
0 |
| ODI |
0 |
12 |
10 |
254 |
1312 |
668 |
33 |
7 |
| CDI |
0 |
0 |
0 |
49 |
1158 |
5240 |
726 |
79 |
| VCDI |
0 |
5 |
0 |
0 |
203 |
3709 |
25264 |
67421 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64691 |
16666 |
383 |
606 |
95 |
0 |
0 |
0 |
| OW |
17 |
1214 |
312 |
901 |
346 |
21 |
0 |
0 |
| VODI |
1 |
435 |
176 |
946 |
965 |
297 |
1 |
0 |
| ODI |
0 |
63 |
60 |
435 |
988 |
1040 |
155 |
12 |
| CDI |
0 |
26 |
15 |
275 |
1337 |
4485 |
1321 |
65 |
| VCDI |
0 |
5 |
4 |
26 |
474 |
3907 |
24547 |
67430 |
|
Date: 2025-04-09:
| 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 |
65123 |
17038 |
417 |
575 |
24 |
0 |
0 |
0 |
| OW |
23 |
1027 |
384 |
1216 |
267 |
4 |
0 |
0 |
| VODI |
9 |
126 |
132 |
1068 |
1130 |
124 |
4 |
0 |
| ODI |
6 |
7 |
9 |
294 |
1417 |
520 |
12 |
0 |
| CDI |
5 |
0 |
0 |
130 |
1441 |
3979 |
999 |
28 |
| VCDI |
3 |
0 |
0 |
34 |
597 |
5121 |
24581 |
66869 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65122 |
16140 |
355 |
487 |
20 |
0 |
0 |
0 |
| OW |
18 |
1374 |
288 |
998 |
280 |
15 |
0 |
0 |
| VODI |
12 |
597 |
193 |
962 |
927 |
246 |
10 |
2 |
| ODI |
6 |
71 |
75 |
495 |
1232 |
733 |
121 |
17 |
| CDI |
7 |
15 |
23 |
248 |
1562 |
3531 |
1251 |
172 |
| VCDI |
4 |
1 |
8 |
127 |
855 |
5223 |
24214 |
66706 |
|
Date: 2025-04-11:
| 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 |
64952 |
16998 |
455 |
501 |
69 |
0 |
0 |
0 |
| OW |
19 |
1029 |
399 |
1136 |
457 |
14 |
0 |
0 |
| VODI |
11 |
227 |
110 |
969 |
1062 |
210 |
0 |
0 |
| ODI |
10 |
45 |
39 |
367 |
1146 |
789 |
37 |
11 |
| CDI |
5 |
23 |
18 |
316 |
1454 |
2940 |
1879 |
85 |
| VCDI |
3 |
1 |
12 |
171 |
867 |
6609 |
28146 |
61152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64943 |
15568 |
376 |
591 |
154 |
0 |
0 |
0 |
| OW |
32 |
1500 |
272 |
773 |
457 |
37 |
0 |
1 |
| VODI |
10 |
848 |
208 |
851 |
939 |
363 |
15 |
27 |
| ODI |
6 |
246 |
106 |
484 |
930 |
834 |
187 |
106 |
| CDI |
4 |
94 |
43 |
418 |
1148 |
2604 |
1841 |
292 |
| VCDI |
5 |
67 |
28 |
343 |
1427 |
6724 |
28019 |
60822 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICmultiWebPage5.sh Fri Apr 18 02:41:44 UTC 2025 on arcval2