Validation of sea ice concentration - Asian sector
Bulletin date: 2022-08-25
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-19:
| 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 |
2988 |
10216 |
1159 |
415 |
5 |
0 |
0 |
0 |
| OW |
0 |
393 |
198 |
290 |
48 |
0 |
0 |
0 |
| VODI |
0 |
220 |
230 |
1190 |
758 |
74 |
0 |
0 |
| ODI |
0 |
9 |
72 |
772 |
3451 |
2710 |
40 |
0 |
| CDI |
0 |
0 |
0 |
40 |
1602 |
3939 |
869 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
376 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-21:
| 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 |
3004 |
11196 |
539 |
140 |
5 |
0 |
0 |
0 |
| OW |
0 |
541 |
223 |
330 |
62 |
0 |
0 |
0 |
| VODI |
0 |
339 |
284 |
1243 |
876 |
163 |
0 |
0 |
| ODI |
0 |
22 |
105 |
748 |
3354 |
2603 |
34 |
0 |
| CDI |
0 |
0 |
2 |
64 |
1596 |
3982 |
285 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
168 |
174 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-23:
| 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 |
4098 |
9988 |
1575 |
221 |
20 |
0 |
0 |
0 |
| OW |
0 |
199 |
354 |
318 |
55 |
0 |
0 |
0 |
| VODI |
0 |
28 |
243 |
1710 |
605 |
8 |
0 |
0 |
| ODI |
0 |
0 |
6 |
759 |
3946 |
765 |
7 |
0 |
| CDI |
0 |
0 |
0 |
36 |
2142 |
4545 |
53 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
170 |
231 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-25:
| 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 |
7104 |
8398 |
287 |
150 |
11 |
0 |
0 |
0 |
| OW |
0 |
409 |
291 |
281 |
24 |
0 |
0 |
0 |
| VODI |
0 |
107 |
329 |
1818 |
604 |
16 |
0 |
0 |
| ODI |
0 |
7 |
26 |
991 |
3766 |
506 |
0 |
0 |
| CDI |
0 |
0 |
2 |
78 |
3517 |
2870 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
295 |
4 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7104 |
8511 |
315 |
191 |
13 |
0 |
0 |
0 |
| OW |
0 |
309 |
300 |
316 |
27 |
0 |
0 |
0 |
| VODI |
0 |
92 |
283 |
1767 |
680 |
35 |
0 |
0 |
| ODI |
0 |
8 |
31 |
934 |
3541 |
503 |
3 |
0 |
| CDI |
0 |
1 |
6 |
110 |
3671 |
2862 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
287 |
15 |
0 |
|
Date: 2022-08-27:
| 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 |
7759 |
7855 |
255 |
112 |
5 |
0 |
0 |
0 |
| OW |
0 |
512 |
303 |
312 |
11 |
0 |
0 |
0 |
| VODI |
0 |
140 |
414 |
1737 |
595 |
37 |
0 |
0 |
| ODI |
0 |
1 |
29 |
1084 |
3659 |
494 |
0 |
0 |
| CDI |
0 |
0 |
0 |
113 |
3560 |
2520 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
370 |
83 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7759 |
7977 |
309 |
170 |
6 |
0 |
0 |
0 |
| OW |
0 |
401 |
274 |
314 |
23 |
0 |
0 |
0 |
| VODI |
0 |
127 |
381 |
1797 |
634 |
50 |
0 |
0 |
| ODI |
0 |
3 |
37 |
929 |
3363 |
525 |
0 |
0 |
| CDI |
0 |
0 |
0 |
148 |
3809 |
2502 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
344 |
89 |
0 |
|
Date: 2022-08-29:
| 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 |
7438 |
8867 |
288 |
139 |
5 |
0 |
0 |
0 |
| OW |
0 |
281 |
403 |
417 |
14 |
0 |
0 |
0 |
| VODI |
0 |
43 |
249 |
1571 |
610 |
11 |
0 |
0 |
| ODI |
0 |
1 |
8 |
585 |
6186 |
888 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
1248 |
2464 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
308 |
15 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7438 |
8432 |
219 |
137 |
5 |
0 |
0 |
0 |
| OW |
0 |
536 |
238 |
274 |
32 |
3 |
0 |
0 |
| VODI |
0 |
210 |
443 |
1473 |
719 |
166 |
0 |
0 |
| ODI |
0 |
14 |
48 |
721 |
3395 |
672 |
3 |
0 |
| CDI |
0 |
0 |
0 |
118 |
3894 |
2369 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
461 |
15 |
0 |
|
Date: 2022-08-31:
| 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 |
8785 |
7605 |
353 |
151 |
1 |
0 |
0 |
0 |
| OW |
0 |
267 |
361 |
445 |
14 |
0 |
0 |
0 |
| VODI |
0 |
83 |
258 |
1462 |
607 |
18 |
0 |
0 |
| ODI |
0 |
15 |
42 |
698 |
5054 |
1609 |
46 |
0 |
| CDI |
0 |
0 |
0 |
58 |
948 |
2697 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
448 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8785 |
7069 |
201 |
110 |
1 |
0 |
0 |
0 |
| OW |
0 |
542 |
267 |
275 |
24 |
0 |
0 |
0 |
| VODI |
0 |
315 |
459 |
1475 |
642 |
118 |
0 |
0 |
| ODI |
0 |
44 |
84 |
823 |
2919 |
849 |
41 |
0 |
| CDI |
0 |
0 |
3 |
131 |
3038 |
3227 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
578 |
0 |
0 |
|
Date: 2022-09-02:
| 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 |
8871 |
7366 |
341 |
146 |
0 |
0 |
0 |
0 |
| OW |
0 |
342 |
371 |
419 |
11 |
0 |
0 |
0 |
| VODI |
0 |
77 |
300 |
1510 |
510 |
26 |
0 |
0 |
| ODI |
0 |
6 |
31 |
765 |
4352 |
1861 |
43 |
0 |
| CDI |
0 |
0 |
6 |
149 |
1203 |
2639 |
247 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
481 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8871 |
6896 |
216 |
106 |
0 |
0 |
0 |
0 |
| OW |
0 |
543 |
275 |
265 |
46 |
0 |
0 |
0 |
| VODI |
0 |
330 |
475 |
1539 |
497 |
129 |
4 |
0 |
| ODI |
0 |
22 |
83 |
909 |
2467 |
1039 |
23 |
0 |
| CDI |
0 |
0 |
0 |
170 |
3065 |
3184 |
263 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
655 |
0 |
0 |
|
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