Validation of sea ice concentration - Full domain
Bulletin date: 2025-01-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-01-03:
| 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 |
67608 |
12122 |
174 |
156 |
9 |
0 |
0 |
0 |
| OW |
843 |
1598 |
243 |
525 |
284 |
107 |
14 |
0 |
| VODI |
1967 |
651 |
256 |
505 |
369 |
185 |
118 |
0 |
| ODI |
1685 |
259 |
96 |
401 |
480 |
429 |
261 |
0 |
| CDI |
0 |
236 |
81 |
342 |
767 |
1773 |
1269 |
19 |
| VCDI |
0 |
282 |
98 |
335 |
672 |
5297 |
30196 |
48098 |
|
...date precedes bulletin
|
Date: 2025-01-05:
| 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 |
66934 |
13000 |
162 |
174 |
46 |
1 |
0 |
0 |
| OW |
913 |
1509 |
220 |
338 |
254 |
97 |
2 |
0 |
| VODI |
1948 |
663 |
225 |
501 |
344 |
219 |
17 |
0 |
| ODI |
1715 |
227 |
99 |
338 |
439 |
472 |
103 |
0 |
| CDI |
0 |
212 |
81 |
301 |
636 |
1582 |
1178 |
9 |
| VCDI |
0 |
244 |
71 |
259 |
598 |
4512 |
27003 |
53164 |
|
...date precedes bulletin
|
Date: 2025-01-07:
| 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 |
64635 |
15024 |
280 |
359 |
42 |
0 |
0 |
0 |
| OW |
827 |
1092 |
241 |
483 |
379 |
52 |
0 |
0 |
| VODI |
1925 |
281 |
180 |
661 |
694 |
186 |
7 |
0 |
| ODI |
1741 |
101 |
45 |
275 |
437 |
477 |
80 |
0 |
| CDI |
0 |
50 |
34 |
168 |
454 |
1409 |
1602 |
3 |
| VCDI |
0 |
10 |
10 |
61 |
367 |
3474 |
29334 |
53330 |
|
...date precedes bulletin
|
Date: 2025-01-09:
| 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 |
63743 |
14718 |
281 |
278 |
99 |
15 |
0 |
0 |
| OW |
819 |
998 |
242 |
415 |
420 |
150 |
1 |
0 |
| VODI |
1897 |
300 |
145 |
388 |
612 |
489 |
20 |
0 |
| ODI |
1778 |
76 |
52 |
252 |
600 |
549 |
177 |
0 |
| CDI |
0 |
61 |
31 |
122 |
554 |
1878 |
2124 |
5 |
| VCDI |
0 |
20 |
18 |
40 |
182 |
3037 |
27643 |
55581 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63749 |
15091 |
362 |
401 |
150 |
19 |
0 |
0 |
| OW |
823 |
711 |
199 |
420 |
445 |
146 |
2 |
0 |
| VODI |
1915 |
236 |
127 |
345 |
674 |
608 |
47 |
0 |
| ODI |
1750 |
78 |
44 |
206 |
576 |
691 |
257 |
0 |
| CDI |
0 |
42 |
28 |
94 |
484 |
1897 |
2482 |
30 |
| VCDI |
0 |
15 |
9 |
29 |
138 |
2757 |
27177 |
55556 |
|
Date: 2025-01-11:
| 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 |
63258 |
14077 |
702 |
185 |
38 |
0 |
0 |
0 |
| OW |
829 |
1288 |
247 |
406 |
284 |
58 |
22 |
0 |
| VODI |
1881 |
417 |
165 |
479 |
558 |
313 |
224 |
0 |
| ODI |
1801 |
149 |
69 |
275 |
568 |
501 |
296 |
0 |
| CDI |
0 |
114 |
61 |
216 |
601 |
1665 |
1205 |
37 |
| VCDI |
0 |
56 |
44 |
148 |
466 |
3052 |
25803 |
58252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63282 |
14600 |
767 |
298 |
112 |
8 |
0 |
0 |
| OW |
818 |
945 |
238 |
408 |
358 |
133 |
40 |
0 |
| VODI |
1896 |
336 |
150 |
457 |
510 |
441 |
317 |
0 |
| ODI |
1773 |
112 |
58 |
264 |
593 |
598 |
368 |
0 |
| CDI |
0 |
79 |
46 |
192 |
557 |
1616 |
1634 |
7 |
| VCDI |
0 |
29 |
29 |
90 |
385 |
2793 |
25191 |
58282 |
|
Date: 2025-01-13:
| 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 |
65828 |
12409 |
200 |
268 |
84 |
5 |
0 |
0 |
| OW |
798 |
994 |
253 |
387 |
262 |
111 |
4 |
0 |
| VODI |
1880 |
362 |
133 |
412 |
476 |
392 |
127 |
0 |
| ODI |
1796 |
138 |
68 |
210 |
504 |
595 |
453 |
0 |
| CDI |
0 |
116 |
35 |
210 |
767 |
1485 |
1245 |
109 |
| VCDI |
0 |
105 |
56 |
167 |
537 |
2721 |
30574 |
53534 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65822 |
12169 |
165 |
210 |
55 |
0 |
0 |
0 |
| OW |
804 |
1185 |
275 |
380 |
257 |
56 |
0 |
0 |
| VODI |
1878 |
403 |
146 |
463 |
508 |
413 |
66 |
0 |
| ODI |
1798 |
154 |
68 |
226 |
489 |
651 |
470 |
0 |
| CDI |
0 |
120 |
39 |
218 |
755 |
1420 |
1363 |
99 |
| VCDI |
0 |
93 |
52 |
157 |
566 |
2769 |
30504 |
53544 |
|
Date: 2025-01-15:
| 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 |
65499 |
12313 |
224 |
200 |
34 |
5 |
0 |
0 |
| OW |
795 |
1004 |
208 |
434 |
241 |
45 |
3 |
0 |
| VODI |
1856 |
341 |
179 |
360 |
504 |
262 |
38 |
0 |
| ODI |
1829 |
108 |
66 |
254 |
364 |
488 |
144 |
0 |
| CDI |
0 |
57 |
35 |
177 |
605 |
1602 |
1637 |
11 |
| VCDI |
0 |
28 |
18 |
87 |
335 |
2490 |
33247 |
52683 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65457 |
11595 |
161 |
187 |
65 |
11 |
0 |
0 |
| OW |
837 |
1287 |
229 |
353 |
201 |
82 |
10 |
0 |
| VODI |
1856 |
590 |
142 |
413 |
458 |
341 |
134 |
0 |
| ODI |
1829 |
206 |
90 |
185 |
361 |
556 |
475 |
0 |
| CDI |
0 |
105 |
77 |
247 |
561 |
1275 |
2098 |
24 |
| VCDI |
0 |
68 |
31 |
127 |
437 |
2627 |
32352 |
52670 |
|
Date: 2025-01-17:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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