Validation of sea ice concentration - Asian sector
Bulletin date: 2022-10-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-07:
| 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 |
5476 |
8378 |
928 |
134 |
0 |
0 |
0 |
0 |
| OW |
9 |
559 |
301 |
413 |
94 |
0 |
0 |
0 |
| VODI |
0 |
28 |
112 |
585 |
430 |
84 |
2 |
0 |
| ODI |
0 |
1 |
10 |
215 |
526 |
175 |
29 |
0 |
| CDI |
0 |
0 |
0 |
22 |
452 |
569 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
5211 |
7157 |
0 |
|
...date precedes bulletin
|
Date: 2022-10-09:
| 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 |
5066 |
7573 |
419 |
285 |
37 |
0 |
0 |
0 |
| OW |
52 |
1079 |
268 |
409 |
260 |
28 |
0 |
0 |
| VODI |
11 |
171 |
104 |
390 |
630 |
222 |
0 |
0 |
| ODI |
0 |
10 |
28 |
84 |
533 |
413 |
2 |
0 |
| CDI |
0 |
0 |
4 |
49 |
276 |
648 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
3592 |
9268 |
17 |
|
...date precedes bulletin
|
Date: 2022-10-11:
| 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 |
5118 |
7514 |
343 |
207 |
34 |
0 |
0 |
0 |
| OW |
5 |
704 |
343 |
445 |
143 |
0 |
0 |
0 |
| VODI |
0 |
69 |
75 |
471 |
584 |
63 |
0 |
0 |
| ODI |
0 |
2 |
7 |
68 |
678 |
406 |
8 |
0 |
| CDI |
0 |
0 |
1 |
20 |
309 |
1058 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
3216 |
8942 |
1039 |
|
...date precedes bulletin
|
Date: 2022-10-13:
| 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 |
4870 |
6801 |
318 |
161 |
7 |
0 |
0 |
0 |
| OW |
35 |
580 |
340 |
533 |
253 |
14 |
0 |
0 |
| VODI |
17 |
79 |
75 |
491 |
846 |
328 |
4 |
0 |
| ODI |
0 |
1 |
13 |
40 |
454 |
613 |
25 |
0 |
| CDI |
0 |
0 |
3 |
32 |
212 |
782 |
296 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
71 |
1676 |
9269 |
2841 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4865 |
6774 |
366 |
304 |
79 |
1 |
0 |
0 |
| OW |
39 |
586 |
261 |
443 |
377 |
53 |
0 |
0 |
| VODI |
18 |
99 |
108 |
421 |
769 |
414 |
7 |
0 |
| ODI |
0 |
2 |
11 |
57 |
323 |
526 |
23 |
0 |
| CDI |
0 |
0 |
3 |
32 |
216 |
739 |
313 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
79 |
1680 |
9251 |
2841 |
|
Date: 2022-10-15:
| 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 |
3001 |
7778 |
602 |
94 |
5 |
0 |
0 |
0 |
| OW |
32 |
728 |
437 |
505 |
170 |
34 |
0 |
0 |
| VODI |
21 |
112 |
120 |
400 |
891 |
370 |
7 |
0 |
| ODI |
3 |
27 |
18 |
46 |
391 |
724 |
54 |
0 |
| CDI |
0 |
8 |
15 |
47 |
203 |
893 |
152 |
0 |
| VCDI |
0 |
0 |
5 |
38 |
169 |
3303 |
9973 |
706 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3001 |
7875 |
681 |
231 |
72 |
6 |
0 |
0 |
| OW |
17 |
536 |
314 |
399 |
228 |
103 |
0 |
0 |
| VODI |
34 |
206 |
162 |
363 |
925 |
499 |
12 |
0 |
| ODI |
5 |
28 |
19 |
49 |
237 |
606 |
71 |
0 |
| CDI |
0 |
8 |
13 |
46 |
195 |
800 |
177 |
0 |
| VCDI |
0 |
0 |
8 |
42 |
172 |
3310 |
9926 |
706 |
|
Date: 2022-10-17:
| 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 |
2163 |
8633 |
433 |
174 |
0 |
0 |
0 |
0 |
| OW |
14 |
449 |
252 |
410 |
41 |
3 |
0 |
0 |
| VODI |
14 |
68 |
134 |
594 |
460 |
37 |
0 |
0 |
| ODI |
12 |
11 |
8 |
123 |
703 |
433 |
7 |
0 |
| CDI |
0 |
0 |
0 |
34 |
283 |
1827 |
341 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
38 |
2651 |
11432 |
299 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2167 |
8273 |
372 |
261 |
50 |
33 |
0 |
0 |
| OW |
1 |
643 |
253 |
374 |
191 |
100 |
1 |
0 |
| VODI |
23 |
234 |
167 |
574 |
726 |
634 |
78 |
0 |
| ODI |
12 |
11 |
27 |
64 |
310 |
673 |
202 |
0 |
| CDI |
0 |
0 |
8 |
60 |
164 |
878 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
84 |
2633 |
11292 |
299 |
|
Date: 2022-10-19:
| 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 |
2236 |
7135 |
471 |
292 |
32 |
0 |
0 |
0 |
| OW |
1 |
483 |
340 |
527 |
174 |
10 |
0 |
0 |
| VODI |
0 |
78 |
131 |
592 |
620 |
164 |
5 |
0 |
| ODI |
0 |
18 |
8 |
140 |
516 |
543 |
10 |
0 |
| CDI |
0 |
3 |
0 |
15 |
340 |
1287 |
199 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
42 |
3058 |
12354 |
257 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2236 |
7010 |
493 |
459 |
139 |
11 |
0 |
0 |
| OW |
1 |
509 |
257 |
459 |
302 |
57 |
2 |
0 |
| VODI |
0 |
179 |
192 |
523 |
713 |
634 |
52 |
0 |
| ODI |
0 |
15 |
8 |
87 |
376 |
1084 |
113 |
0 |
| CDI |
0 |
4 |
0 |
38 |
138 |
943 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
56 |
2333 |
12085 |
257 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1816 |
6534 |
525 |
405 |
96 |
12 |
0 |
0 |
| OW |
3 |
599 |
299 |
604 |
333 |
61 |
1 |
0 |
| VODI |
0 |
256 |
179 |
705 |
781 |
421 |
22 |
0 |
| ODI |
0 |
5 |
12 |
86 |
570 |
958 |
84 |
0 |
| CDI |
0 |
0 |
2 |
39 |
268 |
1073 |
150 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
61 |
2500 |
10978 |
1642 |
|
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