Validation of sea ice concentration - Asian sector
Bulletin date: 2021-10-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-01:
| 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 |
11125 |
7364 |
52 |
207 |
112 |
0 |
0 |
0 |
| OW |
0 |
816 |
50 |
332 |
120 |
41 |
0 |
0 |
| VODI |
0 |
183 |
36 |
377 |
222 |
83 |
0 |
0 |
| ODI |
0 |
31 |
9 |
133 |
348 |
120 |
0 |
0 |
| CDI |
0 |
5 |
6 |
59 |
273 |
426 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
112 |
1319 |
5314 |
2753 |
|
...date precedes bulletin
|
Date: 2021-10-03:
| 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 |
10049 |
7629 |
33 |
92 |
0 |
0 |
0 |
0 |
| OW |
74 |
1179 |
64 |
563 |
214 |
26 |
0 |
0 |
| VODI |
0 |
258 |
42 |
412 |
269 |
50 |
0 |
0 |
| ODI |
0 |
30 |
15 |
161 |
359 |
123 |
0 |
0 |
| CDI |
0 |
0 |
4 |
67 |
329 |
463 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
76 |
1166 |
4563 |
3745 |
|
...date precedes bulletin
|
Date: 2021-10-05:
| 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 |
10256 |
8046 |
64 |
272 |
52 |
0 |
0 |
0 |
| OW |
11 |
364 |
64 |
428 |
128 |
6 |
0 |
0 |
| VODI |
0 |
59 |
19 |
434 |
469 |
36 |
0 |
0 |
| ODI |
0 |
1 |
1 |
82 |
514 |
176 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
263 |
639 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
722 |
4862 |
3997 |
|
...date precedes bulletin
|
Date: 2021-10-07:
| 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 |
8193 |
8980 |
74 |
287 |
32 |
2 |
0 |
0 |
| OW |
19 |
613 |
61 |
491 |
360 |
29 |
0 |
0 |
| VODI |
0 |
94 |
31 |
233 |
449 |
296 |
0 |
0 |
| ODI |
0 |
3 |
3 |
108 |
301 |
322 |
88 |
0 |
| CDI |
0 |
0 |
0 |
21 |
282 |
470 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
1239 |
5568 |
3221 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8111 |
8812 |
74 |
353 |
93 |
2 |
0 |
0 |
| OW |
101 |
721 |
59 |
369 |
276 |
36 |
0 |
0 |
| VODI |
0 |
154 |
32 |
302 |
471 |
260 |
0 |
0 |
| ODI |
0 |
3 |
4 |
100 |
338 |
386 |
58 |
0 |
| CDI |
0 |
0 |
0 |
16 |
253 |
517 |
153 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
56 |
1157 |
5594 |
3221 |
|
Date: 2021-10-09:
| 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 |
7075 |
8632 |
58 |
437 |
27 |
1 |
0 |
0 |
| OW |
17 |
1203 |
98 |
662 |
311 |
10 |
0 |
0 |
| VODI |
0 |
140 |
32 |
312 |
568 |
225 |
0 |
0 |
| ODI |
0 |
15 |
12 |
136 |
338 |
391 |
40 |
0 |
| CDI |
0 |
0 |
0 |
68 |
329 |
365 |
129 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
149 |
1745 |
5386 |
3171 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7087 |
8810 |
76 |
549 |
88 |
1 |
0 |
0 |
| OW |
5 |
924 |
83 |
491 |
203 |
15 |
0 |
0 |
| VODI |
0 |
238 |
29 |
378 |
600 |
202 |
0 |
0 |
| ODI |
0 |
18 |
12 |
143 |
361 |
385 |
37 |
0 |
| CDI |
0 |
0 |
0 |
53 |
360 |
436 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
110 |
1698 |
5395 |
3171 |
|
Date: 2021-10-11:
| 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 |
6247 |
9241 |
92 |
282 |
38 |
0 |
0 |
0 |
| OW |
14 |
848 |
97 |
633 |
93 |
3 |
0 |
0 |
| VODI |
0 |
62 |
15 |
540 |
576 |
35 |
0 |
0 |
| ODI |
0 |
0 |
0 |
72 |
737 |
167 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
281 |
1154 |
93 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
1182 |
4740 |
4821 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6237 |
8372 |
74 |
432 |
141 |
12 |
0 |
0 |
| OW |
20 |
1399 |
75 |
501 |
272 |
51 |
0 |
0 |
| VODI |
4 |
365 |
42 |
435 |
678 |
317 |
6 |
0 |
| ODI |
0 |
14 |
11 |
112 |
275 |
488 |
77 |
0 |
| CDI |
0 |
1 |
2 |
43 |
293 |
438 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
84 |
1235 |
4502 |
4821 |
|
Date: 2021-10-13:
| 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 |
5345 |
8807 |
98 |
417 |
115 |
0 |
0 |
0 |
| OW |
28 |
835 |
129 |
851 |
321 |
3 |
0 |
0 |
| VODI |
5 |
56 |
25 |
514 |
695 |
126 |
2 |
0 |
| ODI |
0 |
0 |
0 |
43 |
511 |
329 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
303 |
1005 |
175 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
755 |
5773 |
4781 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5357 |
7902 |
78 |
413 |
204 |
0 |
0 |
0 |
| OW |
6 |
1364 |
100 |
597 |
372 |
103 |
0 |
0 |
| VODI |
15 |
428 |
67 |
682 |
728 |
423 |
4 |
0 |
| ODI |
0 |
4 |
7 |
111 |
374 |
515 |
127 |
0 |
| CDI |
0 |
0 |
0 |
22 |
237 |
540 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
637 |
5535 |
4781 |
|
Date: 2021-10-15:
| 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 |
4908 |
7628 |
56 |
303 |
89 |
0 |
0 |
0 |
| OW |
1 |
1281 |
139 |
820 |
515 |
22 |
0 |
0 |
| VODI |
0 |
61 |
37 |
601 |
1022 |
259 |
6 |
0 |
| ODI |
0 |
0 |
0 |
120 |
428 |
306 |
151 |
0 |
| CDI |
0 |
0 |
0 |
6 |
446 |
589 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1316 |
5811 |
4828 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4874 |
7107 |
63 |
486 |
239 |
18 |
0 |
0 |
| OW |
35 |
1137 |
52 |
286 |
266 |
106 |
43 |
0 |
| VODI |
0 |
697 |
95 |
823 |
1195 |
322 |
255 |
0 |
| ODI |
0 |
28 |
19 |
185 |
368 |
474 |
240 |
0 |
| CDI |
0 |
1 |
3 |
67 |
349 |
509 |
297 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
132 |
1063 |
5417 |
4828 |
|
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