Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-21:
| 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 |
1818 |
6575 |
459 |
306 |
11 |
0 |
0 |
0 |
| OW |
1 |
659 |
369 |
520 |
180 |
6 |
0 |
0 |
| VODI |
0 |
157 |
168 |
649 |
682 |
157 |
0 |
0 |
| ODI |
0 |
3 |
18 |
255 |
620 |
458 |
8 |
0 |
| CDI |
0 |
0 |
3 |
105 |
467 |
1056 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
149 |
3348 |
11123 |
1642 |
|
...date precedes bulletin
|
Date: 2022-10-23:
| 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 |
3311 |
4053 |
417 |
507 |
64 |
0 |
0 |
0 |
| OW |
13 |
690 |
403 |
533 |
258 |
31 |
0 |
0 |
| VODI |
0 |
74 |
206 |
600 |
682 |
315 |
15 |
0 |
| ODI |
0 |
3 |
15 |
219 |
520 |
655 |
84 |
0 |
| CDI |
0 |
0 |
3 |
93 |
350 |
1072 |
358 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
147 |
2428 |
9709 |
4239 |
|
...date precedes bulletin
|
Date: 2022-10-25:
| 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 |
3360 |
3306 |
474 |
550 |
43 |
0 |
0 |
0 |
| OW |
19 |
346 |
260 |
637 |
237 |
16 |
0 |
0 |
| VODI |
0 |
60 |
155 |
526 |
755 |
124 |
6 |
0 |
| ODI |
0 |
1 |
2 |
47 |
783 |
682 |
44 |
0 |
| CDI |
0 |
0 |
0 |
11 |
176 |
1586 |
376 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
59 |
1905 |
10998 |
4536 |
|
...date precedes bulletin
|
Date: 2022-10-27:
| 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 |
21 |
4632 |
1038 |
218 |
251 |
37 |
0 |
0 |
| OW |
0 |
313 |
187 |
511 |
569 |
144 |
0 |
0 |
| VODI |
0 |
14 |
47 |
377 |
1048 |
459 |
11 |
0 |
| ODI |
0 |
0 |
0 |
29 |
504 |
896 |
74 |
0 |
| CDI |
0 |
0 |
0 |
1 |
207 |
1273 |
395 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
1480 |
9899 |
7396 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21 |
4761 |
1081 |
305 |
342 |
59 |
0 |
0 |
| OW |
0 |
187 |
163 |
486 |
483 |
132 |
0 |
0 |
| VODI |
0 |
11 |
28 |
302 |
947 |
410 |
9 |
0 |
| ODI |
0 |
0 |
0 |
38 |
540 |
807 |
64 |
0 |
| CDI |
0 |
0 |
0 |
5 |
261 |
1384 |
543 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
1497 |
9763 |
7396 |
|
Date: 2022-10-29:
| 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 |
286 |
3881 |
621 |
176 |
17 |
81 |
0 |
0 |
| OW |
1 |
286 |
264 |
601 |
291 |
313 |
65 |
0 |
| VODI |
0 |
11 |
32 |
187 |
516 |
921 |
62 |
0 |
| ODI |
0 |
0 |
0 |
21 |
318 |
1101 |
268 |
0 |
| CDI |
0 |
0 |
0 |
0 |
64 |
967 |
762 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
1024 |
11528 |
7392 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
286 |
3953 |
712 |
423 |
63 |
109 |
6 |
0 |
| OW |
1 |
193 |
176 |
350 |
214 |
276 |
54 |
0 |
| VODI |
0 |
32 |
29 |
177 |
573 |
945 |
57 |
0 |
| ODI |
0 |
0 |
0 |
31 |
251 |
987 |
260 |
0 |
| CDI |
0 |
0 |
0 |
4 |
91 |
1052 |
848 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
1038 |
11460 |
7392 |
|
Date: 2022-10-31:
| 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 |
134 |
4222 |
524 |
153 |
0 |
0 |
0 |
0 |
| OW |
2 |
82 |
115 |
384 |
34 |
1 |
0 |
0 |
| VODI |
0 |
3 |
8 |
265 |
287 |
80 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
437 |
512 |
51 |
0 |
| CDI |
0 |
0 |
0 |
1 |
133 |
2309 |
761 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1131 |
12759 |
7643 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
134 |
4041 |
479 |
487 |
110 |
59 |
0 |
0 |
| OW |
2 |
242 |
165 |
252 |
288 |
245 |
43 |
0 |
| VODI |
0 |
24 |
3 |
90 |
272 |
645 |
128 |
0 |
| ODI |
0 |
0 |
0 |
3 |
179 |
1076 |
399 |
0 |
| CDI |
0 |
0 |
0 |
1 |
42 |
945 |
750 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1063 |
12251 |
7643 |
|
Date: 2022-11-02:
| 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 |
105 |
3262 |
680 |
269 |
19 |
0 |
0 |
0 |
| OW |
1 |
157 |
102 |
467 |
211 |
5 |
0 |
0 |
| VODI |
0 |
20 |
1 |
338 |
435 |
118 |
4 |
0 |
| ODI |
0 |
0 |
0 |
34 |
319 |
505 |
66 |
0 |
| CDI |
0 |
0 |
0 |
39 |
410 |
1203 |
377 |
12 |
| VCDI |
0 |
0 |
0 |
22 |
261 |
3204 |
13006 |
6430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
105 |
3101 |
579 |
523 |
280 |
51 |
0 |
0 |
| OW |
1 |
313 |
204 |
479 |
343 |
174 |
2 |
0 |
| VODI |
0 |
25 |
0 |
99 |
343 |
571 |
65 |
0 |
| ODI |
0 |
0 |
0 |
20 |
290 |
779 |
252 |
1 |
| CDI |
0 |
0 |
0 |
34 |
246 |
948 |
655 |
40 |
| VCDI |
0 |
0 |
0 |
14 |
153 |
2512 |
12479 |
6401 |
|
Date: 2022-11-04:
| 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 |
953 |
2117 |
188 |
133 |
15 |
0 |
0 |
0 |
| OW |
0 |
153 |
120 |
456 |
570 |
75 |
0 |
0 |
| VODI |
0 |
22 |
3 |
49 |
286 |
476 |
11 |
0 |
| ODI |
0 |
0 |
0 |
2 |
83 |
506 |
180 |
0 |
| CDI |
0 |
0 |
0 |
0 |
113 |
813 |
580 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
98 |
2146 |
13308 |
8626 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
953 |
2076 |
187 |
170 |
118 |
92 |
1 |
0 |
| OW |
0 |
188 |
118 |
431 |
653 |
442 |
101 |
0 |
| VODI |
0 |
28 |
6 |
38 |
189 |
696 |
278 |
0 |
| ODI |
0 |
0 |
0 |
1 |
98 |
622 |
439 |
0 |
| CDI |
0 |
0 |
0 |
0 |
97 |
864 |
936 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
1300 |
12324 |
8626 |
|
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