Validation of sea ice concentration - Full domain
Bulletin date: 2024-11-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-08:
| 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 |
93204 |
11524 |
383 |
477 |
85 |
0 |
0 |
0 |
| OW |
1172 |
1208 |
301 |
565 |
512 |
78 |
0 |
0 |
| VODI |
3064 |
338 |
190 |
599 |
1027 |
510 |
9 |
0 |
| ODI |
0 |
107 |
44 |
245 |
874 |
806 |
38 |
0 |
| CDI |
0 |
40 |
11 |
106 |
632 |
2400 |
295 |
0 |
| VCDI |
0 |
20 |
15 |
30 |
233 |
7701 |
27631 |
24336 |
|
...date precedes bulletin
|
Date: 2024-11-10:
| 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 |
91089 |
11405 |
412 |
673 |
228 |
0 |
0 |
0 |
| OW |
1164 |
1073 |
259 |
645 |
520 |
94 |
0 |
0 |
| VODI |
3097 |
373 |
155 |
543 |
796 |
577 |
6 |
0 |
| ODI |
0 |
103 |
79 |
266 |
833 |
997 |
83 |
0 |
| CDI |
0 |
42 |
25 |
141 |
741 |
2145 |
516 |
0 |
| VCDI |
0 |
24 |
16 |
42 |
178 |
5132 |
28766 |
27572 |
|
...date precedes bulletin
|
Date: 2024-11-12:
| 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 |
90583 |
11006 |
300 |
368 |
307 |
1 |
0 |
0 |
| OW |
1170 |
1087 |
308 |
542 |
201 |
30 |
0 |
0 |
| VODI |
3287 |
253 |
175 |
667 |
662 |
97 |
3 |
0 |
| ODI |
0 |
39 |
54 |
257 |
952 |
442 |
15 |
0 |
| CDI |
0 |
18 |
25 |
97 |
1007 |
2650 |
331 |
1 |
| VCDI |
0 |
4 |
8 |
34 |
239 |
5747 |
27748 |
30095 |
|
...date precedes bulletin
|
Date: 2024-11-14:
| 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 |
89352 |
11324 |
306 |
275 |
235 |
32 |
0 |
0 |
| OW |
1128 |
1302 |
383 |
584 |
253 |
24 |
0 |
0 |
| VODI |
3284 |
342 |
249 |
682 |
557 |
74 |
9 |
0 |
| ODI |
0 |
137 |
62 |
314 |
702 |
288 |
23 |
0 |
| CDI |
0 |
62 |
48 |
184 |
687 |
1595 |
281 |
0 |
| VCDI |
0 |
6 |
17 |
97 |
508 |
6293 |
27965 |
31146 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89355 |
11445 |
345 |
378 |
303 |
40 |
0 |
0 |
| OW |
1121 |
1170 |
349 |
505 |
221 |
17 |
0 |
0 |
| VODI |
3288 |
365 |
241 |
638 |
545 |
80 |
13 |
0 |
| ODI |
0 |
122 |
65 |
348 |
682 |
285 |
22 |
0 |
| CDI |
0 |
66 |
44 |
166 |
698 |
1590 |
284 |
1 |
| VCDI |
0 |
5 |
21 |
101 |
493 |
6294 |
27959 |
31145 |
|
Date: 2024-11-16:
| 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 |
89490 |
9970 |
432 |
372 |
49 |
1 |
0 |
0 |
| OW |
1102 |
1205 |
507 |
572 |
309 |
41 |
0 |
0 |
| VODI |
3297 |
396 |
282 |
798 |
622 |
176 |
4 |
0 |
| ODI |
0 |
106 |
81 |
330 |
628 |
388 |
13 |
0 |
| CDI |
0 |
61 |
51 |
218 |
844 |
1228 |
121 |
0 |
| VCDI |
0 |
19 |
16 |
78 |
554 |
6340 |
26151 |
33958 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89474 |
10034 |
496 |
482 |
125 |
6 |
0 |
0 |
| OW |
1118 |
1142 |
449 |
531 |
285 |
43 |
0 |
0 |
| VODI |
3297 |
389 |
272 |
678 |
581 |
208 |
5 |
0 |
| ODI |
0 |
105 |
84 |
391 |
579 |
355 |
16 |
0 |
| CDI |
0 |
64 |
49 |
210 |
861 |
1197 |
135 |
0 |
| VCDI |
0 |
23 |
19 |
76 |
575 |
6365 |
26133 |
33958 |
|
Date: 2024-11-18:
| 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 |
88320 |
10219 |
277 |
306 |
208 |
0 |
0 |
0 |
| OW |
1055 |
1109 |
254 |
386 |
236 |
8 |
1 |
0 |
| VODI |
3307 |
295 |
320 |
872 |
649 |
74 |
12 |
0 |
| ODI |
0 |
20 |
44 |
362 |
1173 |
459 |
29 |
0 |
| CDI |
0 |
30 |
15 |
124 |
724 |
2369 |
300 |
0 |
| VCDI |
0 |
18 |
21 |
170 |
645 |
5944 |
29557 |
30898 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88304 |
9812 |
331 |
453 |
415 |
2 |
0 |
0 |
| OW |
1067 |
1176 |
234 |
511 |
392 |
68 |
4 |
0 |
| VODI |
3311 |
433 |
149 |
539 |
609 |
280 |
30 |
0 |
| ODI |
0 |
154 |
122 |
224 |
757 |
542 |
41 |
0 |
| CDI |
0 |
81 |
58 |
254 |
648 |
1347 |
179 |
19 |
| VCDI |
0 |
35 |
37 |
239 |
814 |
6615 |
29645 |
30879 |
|
Date: 2024-11-20:
| 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 |
87248 |
10503 |
245 |
249 |
110 |
11 |
0 |
0 |
| OW |
1116 |
1178 |
271 |
412 |
227 |
96 |
0 |
0 |
| VODI |
3324 |
484 |
189 |
639 |
495 |
90 |
5 |
0 |
| ODI |
0 |
197 |
91 |
391 |
842 |
458 |
13 |
0 |
| CDI |
0 |
77 |
61 |
406 |
865 |
1749 |
374 |
0 |
| VCDI |
0 |
14 |
13 |
192 |
825 |
6646 |
31042 |
29662 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87228 |
10137 |
300 |
396 |
185 |
59 |
0 |
0 |
| OW |
1131 |
1353 |
212 |
404 |
270 |
72 |
1 |
0 |
| VODI |
3329 |
577 |
133 |
500 |
578 |
228 |
12 |
0 |
| ODI |
0 |
222 |
103 |
294 |
658 |
516 |
11 |
0 |
| CDI |
0 |
109 |
84 |
405 |
787 |
1415 |
283 |
0 |
| VCDI |
0 |
55 |
38 |
290 |
886 |
6760 |
31127 |
29662 |
|
Date: 2024-11-22:
| 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 |
86385 |
10238 |
231 |
230 |
89 |
16 |
0 |
0 |
| OW |
1093 |
1090 |
310 |
564 |
310 |
62 |
0 |
0 |
| VODI |
3345 |
370 |
234 |
611 |
530 |
176 |
22 |
0 |
| ODI |
0 |
125 |
95 |
319 |
701 |
616 |
35 |
0 |
| CDI |
0 |
36 |
26 |
162 |
891 |
2041 |
621 |
15 |
| VCDI |
0 |
12 |
2 |
60 |
583 |
7018 |
34838 |
26708 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86309 |
9656 |
293 |
418 |
284 |
17 |
0 |
0 |
| OW |
1132 |
1326 |
237 |
478 |
340 |
117 |
4 |
0 |
| VODI |
3380 |
580 |
206 |
511 |
571 |
309 |
44 |
0 |
| ODI |
2 |
209 |
104 |
251 |
606 |
632 |
20 |
0 |
| CDI |
0 |
57 |
52 |
193 |
606 |
1466 |
344 |
3 |
| VCDI |
0 |
43 |
6 |
95 |
697 |
7388 |
35104 |
26720 |
|
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