Validation of sea ice concentration - Asian sector
Bulletin date: 2023-08-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-11:
| 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 |
5607 |
7243 |
304 |
266 |
36 |
0 |
0 |
0 |
| OW |
0 |
650 |
335 |
480 |
115 |
4 |
0 |
0 |
| VODI |
0 |
203 |
386 |
1834 |
721 |
104 |
0 |
0 |
| ODI |
0 |
0 |
0 |
1001 |
3559 |
2788 |
177 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1254 |
4646 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
45 |
7 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-13:
| 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 |
5184 |
8346 |
175 |
131 |
12 |
0 |
0 |
0 |
| OW |
2 |
962 |
287 |
483 |
123 |
22 |
0 |
0 |
| VODI |
0 |
437 |
289 |
1590 |
709 |
154 |
10 |
0 |
| ODI |
0 |
0 |
2 |
1076 |
3770 |
2414 |
117 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1755 |
3876 |
137 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
15 |
2 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-15:
| 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 |
5933 |
8873 |
270 |
152 |
5 |
0 |
0 |
0 |
| OW |
0 |
361 |
283 |
491 |
57 |
0 |
0 |
0 |
| VODI |
0 |
121 |
231 |
2092 |
591 |
23 |
0 |
0 |
| ODI |
0 |
0 |
9 |
696 |
4762 |
412 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
1452 |
5012 |
119 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
76 |
56 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-17:
| 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 |
6678 |
8334 |
241 |
157 |
12 |
0 |
0 |
0 |
| OW |
0 |
506 |
323 |
521 |
45 |
1 |
0 |
0 |
| VODI |
0 |
187 |
307 |
1817 |
563 |
2 |
0 |
0 |
| ODI |
0 |
3 |
13 |
664 |
4219 |
898 |
1 |
0 |
| CDI |
0 |
0 |
0 |
15 |
895 |
5454 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
28 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6678 |
8471 |
337 |
267 |
12 |
0 |
0 |
0 |
| OW |
0 |
399 |
265 |
494 |
42 |
1 |
0 |
0 |
| VODI |
0 |
159 |
272 |
1774 |
578 |
4 |
0 |
0 |
| ODI |
0 |
1 |
10 |
625 |
4198 |
883 |
1 |
0 |
| CDI |
0 |
0 |
0 |
14 |
904 |
5466 |
183 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
19 |
25 |
0 |
|
Date: 2023-08-19:
| 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 |
6809 |
8342 |
285 |
189 |
9 |
0 |
0 |
0 |
| OW |
0 |
642 |
284 |
380 |
41 |
0 |
0 |
0 |
| VODI |
0 |
270 |
365 |
1806 |
459 |
11 |
0 |
0 |
| ODI |
0 |
4 |
17 |
642 |
3864 |
1309 |
8 |
0 |
| CDI |
0 |
0 |
0 |
21 |
865 |
4923 |
487 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
26 |
24 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6809 |
8547 |
330 |
239 |
8 |
0 |
0 |
0 |
| OW |
0 |
486 |
299 |
495 |
64 |
0 |
0 |
0 |
| VODI |
0 |
223 |
310 |
1621 |
538 |
17 |
0 |
0 |
| ODI |
0 |
2 |
12 |
660 |
3733 |
1319 |
45 |
0 |
| CDI |
0 |
0 |
0 |
23 |
895 |
4909 |
458 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
24 |
16 |
0 |
|
Date: 2023-08-21:
| 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 |
7034 |
8513 |
270 |
212 |
2 |
0 |
0 |
0 |
| OW |
0 |
579 |
277 |
533 |
52 |
0 |
0 |
0 |
| VODI |
0 |
288 |
339 |
1529 |
641 |
17 |
0 |
0 |
| ODI |
0 |
13 |
20 |
645 |
3046 |
1815 |
153 |
0 |
| CDI |
0 |
0 |
1 |
34 |
513 |
4683 |
795 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
11 |
67 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7034 |
8384 |
236 |
199 |
4 |
0 |
0 |
0 |
| OW |
0 |
701 |
331 |
598 |
57 |
0 |
0 |
0 |
| VODI |
0 |
294 |
316 |
1437 |
630 |
23 |
1 |
0 |
| ODI |
0 |
14 |
22 |
682 |
3084 |
1885 |
250 |
0 |
| CDI |
0 |
0 |
2 |
37 |
479 |
4617 |
703 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
61 |
0 |
|
Date: 2023-08-23:
| 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 |
8074 |
7508 |
230 |
212 |
2 |
0 |
0 |
0 |
| OW |
0 |
724 |
260 |
513 |
72 |
0 |
0 |
0 |
| VODI |
0 |
356 |
286 |
1476 |
897 |
29 |
0 |
0 |
| ODI |
0 |
18 |
28 |
463 |
2706 |
2004 |
210 |
0 |
| CDI |
0 |
0 |
7 |
34 |
452 |
4647 |
820 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8074 |
7393 |
234 |
204 |
3 |
0 |
0 |
0 |
| OW |
0 |
880 |
289 |
566 |
65 |
0 |
0 |
0 |
| VODI |
0 |
315 |
248 |
1369 |
769 |
37 |
0 |
0 |
| ODI |
0 |
17 |
27 |
513 |
2847 |
2205 |
389 |
0 |
| CDI |
0 |
1 |
13 |
46 |
445 |
4477 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
15 |
0 |
0 |
|
Date: 2023-08-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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