Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-08
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-02:
| 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 |
8871 |
7366 |
341 |
146 |
0 |
0 |
0 |
0 |
| OW |
0 |
342 |
371 |
419 |
11 |
0 |
0 |
0 |
| VODI |
0 |
77 |
300 |
1510 |
510 |
26 |
0 |
0 |
| ODI |
0 |
6 |
31 |
765 |
4352 |
1861 |
43 |
0 |
| CDI |
0 |
0 |
6 |
149 |
1203 |
2639 |
247 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
481 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-04:
| 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 |
8326 |
7823 |
299 |
82 |
1 |
0 |
0 |
0 |
| OW |
0 |
394 |
433 |
341 |
3 |
0 |
0 |
0 |
| VODI |
0 |
128 |
319 |
1498 |
365 |
2 |
0 |
0 |
| ODI |
0 |
8 |
60 |
952 |
4282 |
1119 |
2 |
0 |
| CDI |
0 |
0 |
8 |
215 |
1975 |
2733 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
147 |
496 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-06:
| 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 |
8734 |
7901 |
651 |
188 |
0 |
0 |
0 |
0 |
| OW |
0 |
188 |
326 |
565 |
15 |
0 |
0 |
0 |
| VODI |
0 |
36 |
179 |
1461 |
427 |
3 |
0 |
0 |
| ODI |
0 |
0 |
14 |
748 |
4189 |
1130 |
0 |
0 |
| CDI |
0 |
0 |
0 |
34 |
1521 |
3345 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
379 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-08:
| 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 |
8453 |
8346 |
495 |
130 |
0 |
0 |
0 |
0 |
| OW |
0 |
238 |
402 |
577 |
28 |
0 |
0 |
0 |
| VODI |
0 |
65 |
199 |
1108 |
451 |
33 |
0 |
0 |
| ODI |
0 |
1 |
34 |
597 |
3329 |
1218 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
1638 |
4209 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
478 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8453 |
8389 |
502 |
157 |
3 |
0 |
0 |
0 |
| OW |
0 |
194 |
336 |
440 |
31 |
0 |
0 |
0 |
| VODI |
0 |
66 |
259 |
1099 |
337 |
29 |
0 |
0 |
| ODI |
0 |
1 |
33 |
714 |
3295 |
1268 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
1761 |
3955 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
686 |
0 |
0 |
|
Date: 2022-09-10:
| 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 |
9184 |
7601 |
455 |
140 |
1 |
0 |
0 |
0 |
| OW |
0 |
335 |
381 |
582 |
50 |
0 |
0 |
0 |
| VODI |
0 |
103 |
243 |
863 |
518 |
38 |
0 |
0 |
| ODI |
0 |
10 |
29 |
491 |
2374 |
1458 |
19 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1186 |
5046 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
631 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9184 |
7660 |
464 |
175 |
13 |
0 |
0 |
0 |
| OW |
0 |
265 |
336 |
472 |
58 |
0 |
0 |
0 |
| VODI |
0 |
117 |
269 |
853 |
419 |
23 |
0 |
0 |
| ODI |
0 |
7 |
39 |
579 |
2287 |
1689 |
16 |
0 |
| CDI |
0 |
0 |
0 |
35 |
1333 |
4693 |
237 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
91 |
768 |
0 |
0 |
|
Date: 2022-09-12:
| 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 |
9692 |
7911 |
615 |
314 |
2 |
0 |
0 |
0 |
| OW |
0 |
157 |
304 |
438 |
20 |
0 |
0 |
0 |
| VODI |
0 |
30 |
100 |
804 |
350 |
13 |
0 |
0 |
| ODI |
0 |
1 |
6 |
237 |
2516 |
417 |
5 |
0 |
| CDI |
0 |
0 |
0 |
6 |
755 |
6590 |
386 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
346 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9692 |
7395 |
229 |
96 |
3 |
0 |
0 |
0 |
| OW |
0 |
452 |
378 |
300 |
74 |
0 |
0 |
0 |
| VODI |
0 |
222 |
351 |
766 |
391 |
37 |
0 |
0 |
| ODI |
0 |
30 |
66 |
584 |
1727 |
1185 |
2 |
0 |
| CDI |
0 |
0 |
1 |
53 |
1351 |
5052 |
389 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
164 |
1092 |
0 |
0 |
|
Date: 2022-09-14:
| 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 |
9974 |
7822 |
574 |
306 |
0 |
0 |
0 |
0 |
| OW |
0 |
254 |
307 |
342 |
29 |
0 |
0 |
0 |
| VODI |
0 |
60 |
143 |
761 |
268 |
25 |
0 |
0 |
| ODI |
0 |
10 |
21 |
329 |
1823 |
562 |
1 |
0 |
| CDI |
0 |
0 |
0 |
34 |
821 |
6636 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
16 |
613 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9974 |
7179 |
197 |
62 |
12 |
0 |
0 |
0 |
| OW |
0 |
544 |
345 |
298 |
74 |
0 |
0 |
0 |
| VODI |
0 |
343 |
386 |
715 |
321 |
38 |
0 |
0 |
| ODI |
0 |
77 |
102 |
580 |
1290 |
941 |
1 |
0 |
| CDI |
0 |
3 |
15 |
113 |
1194 |
5543 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
66 |
1314 |
0 |
0 |
|
Date: 2022-09-16:
| 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 |
9780 |
7988 |
559 |
197 |
0 |
0 |
0 |
0 |
| OW |
0 |
400 |
262 |
367 |
21 |
0 |
0 |
0 |
| VODI |
0 |
122 |
226 |
643 |
248 |
36 |
0 |
0 |
| ODI |
0 |
13 |
40 |
428 |
1290 |
516 |
0 |
0 |
| CDI |
0 |
0 |
3 |
46 |
584 |
7017 |
220 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
11 |
1040 |
22 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9780 |
7303 |
177 |
68 |
7 |
2 |
0 |
0 |
| OW |
0 |
677 |
296 |
248 |
63 |
3 |
0 |
0 |
| VODI |
0 |
438 |
447 |
596 |
283 |
52 |
0 |
0 |
| ODI |
0 |
103 |
145 |
600 |
799 |
893 |
0 |
0 |
| CDI |
0 |
2 |
25 |
169 |
974 |
5875 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
28 |
1784 |
23 |
0 |
|
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