Validation of sea ice concentration - Full domain
Bulletin date: 2022-07-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-15:
| 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 |
72458 |
33863 |
7681 |
3636 |
459 |
27 |
0 |
0 |
| OW |
6 |
469 |
730 |
1964 |
689 |
22 |
0 |
0 |
| VODI |
0 |
149 |
371 |
2342 |
1513 |
129 |
0 |
0 |
| ODI |
0 |
46 |
115 |
944 |
2871 |
1659 |
9 |
0 |
| CDI |
0 |
61 |
70 |
629 |
7459 |
17513 |
2668 |
0 |
| VCDI |
0 |
17 |
25 |
58 |
1437 |
17720 |
7198 |
41 |
|
...date precedes bulletin
|
Date: 2022-07-17:
| 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 |
78681 |
31219 |
6295 |
2613 |
475 |
26 |
0 |
0 |
| OW |
5 |
585 |
738 |
1891 |
598 |
51 |
0 |
0 |
| VODI |
0 |
248 |
449 |
1998 |
1317 |
103 |
0 |
0 |
| ODI |
0 |
88 |
168 |
946 |
3245 |
1255 |
28 |
0 |
| CDI |
0 |
93 |
104 |
686 |
7819 |
20266 |
1746 |
0 |
| VCDI |
0 |
5 |
0 |
20 |
1797 |
14938 |
6552 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-19:
| 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 |
75155 |
37259 |
5948 |
2700 |
421 |
44 |
0 |
0 |
| OW |
5 |
458 |
610 |
1681 |
359 |
20 |
0 |
0 |
| VODI |
0 |
126 |
357 |
2295 |
1395 |
49 |
0 |
0 |
| ODI |
0 |
51 |
126 |
1026 |
5766 |
1238 |
2 |
0 |
| CDI |
0 |
5 |
57 |
303 |
9568 |
18322 |
1882 |
0 |
| VCDI |
0 |
4 |
0 |
7 |
1133 |
13022 |
5654 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-21:
| 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 |
82263 |
28898 |
7181 |
3675 |
632 |
20 |
0 |
0 |
| OW |
0 |
595 |
638 |
1546 |
355 |
13 |
0 |
0 |
| VODI |
0 |
240 |
346 |
2000 |
1478 |
69 |
0 |
0 |
| ODI |
0 |
117 |
117 |
1015 |
4868 |
2018 |
41 |
0 |
| CDI |
0 |
18 |
38 |
367 |
8006 |
19512 |
3105 |
0 |
| VCDI |
0 |
4 |
1 |
4 |
1072 |
10383 |
6413 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82263 |
28968 |
7234 |
3797 |
642 |
19 |
0 |
0 |
| OW |
0 |
513 |
591 |
1490 |
399 |
14 |
0 |
0 |
| VODI |
0 |
256 |
339 |
1902 |
1359 |
72 |
0 |
0 |
| ODI |
0 |
117 |
111 |
1015 |
4745 |
2199 |
25 |
0 |
| CDI |
0 |
14 |
45 |
401 |
8236 |
19208 |
3105 |
0 |
| VCDI |
0 |
4 |
1 |
2 |
1030 |
10503 |
6429 |
0 |
|
Date: 2022-07-23:
| 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 |
78384 |
35446 |
5607 |
3628 |
523 |
7 |
0 |
0 |
| OW |
1 |
936 |
613 |
1405 |
251 |
6 |
1 |
0 |
| VODI |
0 |
431 |
394 |
1805 |
1251 |
114 |
0 |
0 |
| ODI |
0 |
91 |
169 |
1056 |
4487 |
2421 |
116 |
0 |
| CDI |
0 |
11 |
46 |
569 |
7716 |
17705 |
5632 |
0 |
| VCDI |
0 |
4 |
0 |
1 |
829 |
10127 |
5265 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78384 |
35599 |
5668 |
3689 |
545 |
8 |
0 |
0 |
| OW |
1 |
748 |
563 |
1360 |
264 |
7 |
1 |
0 |
| VODI |
0 |
447 |
386 |
1751 |
1234 |
121 |
2 |
0 |
| ODI |
0 |
103 |
160 |
1050 |
4320 |
2398 |
77 |
0 |
| CDI |
0 |
18 |
51 |
613 |
7949 |
17623 |
5573 |
0 |
| VCDI |
0 |
4 |
1 |
1 |
745 |
10223 |
5361 |
0 |
|
Date: 2022-07-25:
| 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 |
80592 |
36826 |
5290 |
2900 |
340 |
2 |
0 |
0 |
| OW |
10 |
546 |
482 |
1131 |
124 |
2 |
0 |
0 |
| VODI |
0 |
240 |
335 |
2206 |
949 |
48 |
0 |
0 |
| ODI |
0 |
19 |
62 |
1189 |
5106 |
1286 |
1 |
0 |
| CDI |
0 |
1 |
16 |
293 |
6544 |
20678 |
2321 |
0 |
| VCDI |
0 |
4 |
0 |
23 |
128 |
8043 |
9311 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80589 |
36012 |
5043 |
2942 |
393 |
3 |
0 |
0 |
| OW |
12 |
795 |
522 |
1161 |
237 |
9 |
0 |
0 |
| VODI |
1 |
587 |
389 |
1554 |
1073 |
171 |
0 |
0 |
| ODI |
0 |
217 |
159 |
1148 |
3804 |
2739 |
187 |
0 |
| CDI |
0 |
21 |
71 |
882 |
7193 |
18676 |
5950 |
0 |
| VCDI |
0 |
4 |
1 |
55 |
491 |
8461 |
5496 |
0 |
|
Date: 2022-07-27:
| 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 |
78917 |
37041 |
7924 |
2927 |
251 |
0 |
0 |
0 |
| OW |
5 |
499 |
510 |
1130 |
153 |
11 |
0 |
0 |
| VODI |
0 |
273 |
313 |
1949 |
1141 |
56 |
0 |
0 |
| ODI |
0 |
29 |
91 |
1083 |
4353 |
1688 |
22 |
0 |
| CDI |
0 |
0 |
31 |
452 |
6133 |
20220 |
3724 |
0 |
| VCDI |
0 |
4 |
0 |
26 |
37 |
6506 |
9507 |
42 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78911 |
36177 |
7602 |
3001 |
302 |
4 |
0 |
0 |
| OW |
11 |
760 |
520 |
967 |
246 |
15 |
0 |
0 |
| VODI |
0 |
707 |
433 |
1294 |
961 |
268 |
0 |
0 |
| ODI |
0 |
169 |
224 |
1209 |
3408 |
3499 |
157 |
0 |
| CDI |
0 |
29 |
89 |
1036 |
6821 |
18243 |
6571 |
6 |
| VCDI |
0 |
4 |
1 |
60 |
330 |
6452 |
6525 |
36 |
|
Date: 2022-07-29:
| 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 |
86054 |
33829 |
5282 |
2290 |
279 |
2 |
0 |
0 |
| OW |
5 |
697 |
534 |
1050 |
250 |
10 |
0 |
0 |
| VODI |
0 |
237 |
317 |
1685 |
1337 |
96 |
0 |
0 |
| ODI |
0 |
35 |
101 |
1291 |
3976 |
1908 |
88 |
0 |
| CDI |
0 |
1 |
10 |
549 |
6493 |
20009 |
3432 |
0 |
| VCDI |
0 |
4 |
0 |
47 |
80 |
6163 |
8663 |
244 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86048 |
32972 |
4924 |
2394 |
344 |
6 |
0 |
0 |
| OW |
11 |
929 |
506 |
841 |
344 |
10 |
0 |
0 |
| VODI |
0 |
722 |
443 |
1107 |
1154 |
291 |
3 |
0 |
| ODI |
0 |
169 |
297 |
1291 |
3518 |
3661 |
223 |
0 |
| CDI |
0 |
7 |
74 |
1117 |
6892 |
19846 |
4120 |
0 |
| VCDI |
0 |
4 |
0 |
162 |
163 |
4374 |
7837 |
244 |
|
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