Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
10696 |
7815 |
9 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
747 |
78 |
225 |
0 |
0 |
0 |
0 |
| VODI |
0 |
208 |
70 |
785 |
212 |
0 |
0 |
0 |
| ODI |
0 |
11 |
7 |
392 |
1507 |
370 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
735 |
6950 |
176 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1063 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-18:
| 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 |
10912 |
7315 |
12 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
785 |
39 |
276 |
5 |
0 |
0 |
0 |
| VODI |
0 |
235 |
73 |
676 |
305 |
11 |
0 |
0 |
| ODI |
0 |
12 |
9 |
259 |
1017 |
314 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
509 |
6660 |
1032 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
981 |
618 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-20:
| 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 |
9607 |
8599 |
34 |
85 |
7 |
0 |
0 |
0 |
| OW |
0 |
565 |
71 |
281 |
39 |
0 |
0 |
0 |
| VODI |
0 |
56 |
33 |
734 |
316 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
905 |
181 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
215 |
4381 |
1332 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1418 |
3167 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-22:
| 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 |
9420 |
8319 |
37 |
128 |
9 |
0 |
0 |
0 |
| OW |
0 |
789 |
47 |
245 |
42 |
0 |
0 |
0 |
| VODI |
0 |
168 |
43 |
461 |
476 |
42 |
0 |
0 |
| ODI |
0 |
3 |
0 |
82 |
607 |
278 |
15 |
0 |
| CDI |
0 |
0 |
0 |
5 |
259 |
2483 |
879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1324 |
5921 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9420 |
8468 |
41 |
155 |
16 |
0 |
0 |
0 |
| OW |
0 |
657 |
48 |
258 |
60 |
4 |
0 |
0 |
| VODI |
0 |
145 |
38 |
404 |
435 |
57 |
0 |
0 |
| ODI |
0 |
9 |
0 |
98 |
556 |
280 |
18 |
0 |
| CDI |
0 |
0 |
0 |
6 |
326 |
2421 |
958 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1365 |
5839 |
0 |
|
Date: 2022-09-24:
| 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 |
9435 |
7465 |
38 |
129 |
31 |
0 |
0 |
0 |
| OW |
0 |
1088 |
53 |
330 |
83 |
0 |
0 |
0 |
| VODI |
0 |
244 |
35 |
411 |
441 |
78 |
0 |
0 |
| ODI |
0 |
9 |
6 |
85 |
397 |
428 |
3 |
0 |
| CDI |
0 |
0 |
0 |
29 |
284 |
1364 |
492 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
3424 |
5365 |
333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9435 |
7818 |
48 |
166 |
33 |
0 |
0 |
0 |
| OW |
0 |
723 |
42 |
327 |
113 |
3 |
0 |
0 |
| VODI |
0 |
241 |
36 |
338 |
393 |
66 |
0 |
0 |
| ODI |
0 |
22 |
4 |
111 |
378 |
421 |
7 |
0 |
| CDI |
0 |
2 |
2 |
42 |
320 |
1303 |
515 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
3501 |
5338 |
333 |
|
Date: 2022-09-26:
| 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 |
9554 |
8037 |
46 |
105 |
20 |
0 |
0 |
0 |
| OW |
0 |
626 |
71 |
331 |
44 |
0 |
0 |
0 |
| VODI |
0 |
40 |
25 |
453 |
316 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
44 |
649 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
227 |
1929 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3362 |
6034 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9554 |
7230 |
34 |
115 |
39 |
2 |
0 |
0 |
| OW |
0 |
1032 |
53 |
306 |
123 |
11 |
0 |
0 |
| VODI |
0 |
409 |
45 |
319 |
398 |
58 |
0 |
0 |
| ODI |
0 |
26 |
9 |
150 |
338 |
392 |
17 |
0 |
| CDI |
0 |
6 |
1 |
43 |
335 |
1034 |
376 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
3864 |
5740 |
0 |
|
Date: 2022-09-28:
| 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 |
9544 |
7702 |
36 |
148 |
4 |
0 |
0 |
0 |
| OW |
0 |
694 |
79 |
436 |
73 |
0 |
0 |
0 |
| VODI |
0 |
53 |
29 |
444 |
376 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
472 |
109 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
392 |
1251 |
275 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
4200 |
5597 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9544 |
6905 |
34 |
166 |
44 |
3 |
0 |
0 |
| OW |
0 |
901 |
30 |
241 |
137 |
23 |
0 |
0 |
| VODI |
0 |
600 |
65 |
465 |
364 |
126 |
7 |
0 |
| ODI |
0 |
43 |
15 |
215 |
360 |
230 |
43 |
0 |
| CDI |
0 |
0 |
0 |
56 |
398 |
874 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
61 |
4310 |
5535 |
0 |
|
Date: 2022-09-30:
| 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 |
8866 |
7711 |
27 |
123 |
0 |
0 |
0 |
0 |
| OW |
0 |
899 |
59 |
372 |
245 |
0 |
0 |
0 |
| VODI |
0 |
90 |
47 |
366 |
553 |
49 |
0 |
0 |
| ODI |
0 |
2 |
2 |
133 |
368 |
255 |
1 |
0 |
| CDI |
0 |
0 |
0 |
20 |
341 |
1021 |
258 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
3192 |
6872 |
155 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8866 |
7304 |
28 |
213 |
94 |
0 |
0 |
0 |
| OW |
0 |
773 |
14 |
93 |
255 |
15 |
0 |
0 |
| VODI |
0 |
579 |
73 |
385 |
470 |
286 |
6 |
0 |
| ODI |
0 |
41 |
19 |
225 |
262 |
279 |
38 |
0 |
| CDI |
0 |
5 |
1 |
98 |
350 |
506 |
269 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
131 |
3431 |
6818 |
155 |
|
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