Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-28:
| 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 |
0 |
1037 |
68 |
44 |
22 |
19 |
0 |
0 |
| OW |
0 |
1185 |
188 |
238 |
114 |
42 |
0 |
0 |
| VODI |
0 |
560 |
320 |
762 |
615 |
80 |
0 |
0 |
| ODI |
0 |
57 |
115 |
887 |
2479 |
464 |
0 |
0 |
| CDI |
0 |
23 |
40 |
252 |
1877 |
8686 |
390 |
0 |
| VCDI |
0 |
0 |
7 |
70 |
1405 |
9205 |
831 |
0 |
|
...date precedes bulletin
|
Date: 2024-06-30:
| 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 |
0 |
1172 |
74 |
71 |
40 |
11 |
0 |
0 |
| OW |
0 |
1412 |
216 |
263 |
145 |
1 |
0 |
0 |
| VODI |
0 |
645 |
349 |
880 |
740 |
20 |
0 |
0 |
| ODI |
0 |
133 |
162 |
863 |
2234 |
339 |
0 |
0 |
| CDI |
0 |
42 |
68 |
401 |
2444 |
8765 |
576 |
0 |
| VCDI |
0 |
1 |
9 |
282 |
2136 |
6921 |
667 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-02:
| 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 |
30 |
2068 |
124 |
119 |
49 |
12 |
0 |
0 |
| OW |
0 |
1507 |
268 |
240 |
91 |
0 |
1 |
0 |
| VODI |
0 |
488 |
480 |
1687 |
931 |
10 |
0 |
0 |
| ODI |
0 |
21 |
70 |
645 |
3083 |
624 |
0 |
0 |
| CDI |
0 |
2 |
15 |
389 |
2081 |
11616 |
414 |
0 |
| VCDI |
0 |
0 |
2 |
13 |
941 |
3366 |
695 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-04:
| 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 |
17 |
2363 |
122 |
106 |
27 |
11 |
0 |
0 |
| OW |
0 |
1510 |
283 |
267 |
87 |
0 |
0 |
0 |
| VODI |
0 |
528 |
507 |
1832 |
1117 |
31 |
0 |
0 |
| ODI |
0 |
27 |
81 |
675 |
2398 |
813 |
0 |
0 |
| CDI |
0 |
5 |
28 |
661 |
2283 |
10722 |
370 |
0 |
| VCDI |
0 |
2 |
0 |
5 |
627 |
3708 |
869 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17 |
2475 |
130 |
113 |
38 |
11 |
0 |
0 |
| OW |
0 |
1414 |
292 |
278 |
101 |
0 |
0 |
0 |
| VODI |
0 |
517 |
497 |
1792 |
1087 |
25 |
0 |
0 |
| ODI |
0 |
23 |
74 |
693 |
2371 |
840 |
3 |
0 |
| CDI |
0 |
4 |
28 |
654 |
2249 |
10719 |
331 |
0 |
| VCDI |
0 |
2 |
0 |
16 |
693 |
3690 |
905 |
0 |
|
Date: 2024-07-06:
| 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 |
36 |
2678 |
97 |
103 |
41 |
0 |
0 |
0 |
| OW |
0 |
1644 |
327 |
345 |
79 |
0 |
0 |
0 |
| VODI |
0 |
561 |
510 |
1804 |
1108 |
39 |
0 |
0 |
| ODI |
0 |
50 |
65 |
659 |
2054 |
836 |
0 |
0 |
| CDI |
0 |
24 |
47 |
470 |
1816 |
10530 |
176 |
0 |
| VCDI |
0 |
0 |
1 |
6 |
490 |
5004 |
482 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36 |
2815 |
126 |
131 |
45 |
0 |
0 |
0 |
| OW |
0 |
1512 |
317 |
354 |
100 |
0 |
0 |
0 |
| VODI |
0 |
561 |
495 |
1747 |
1104 |
24 |
0 |
0 |
| ODI |
0 |
47 |
60 |
698 |
1989 |
947 |
0 |
0 |
| CDI |
0 |
12 |
39 |
441 |
1784 |
10184 |
155 |
0 |
| VCDI |
0 |
10 |
10 |
16 |
566 |
5254 |
503 |
0 |
|
Date: 2024-07-08:
| 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 |
116 |
3684 |
152 |
74 |
32 |
8 |
0 |
0 |
| OW |
0 |
1610 |
389 |
271 |
22 |
2 |
0 |
0 |
| VODI |
0 |
343 |
554 |
2590 |
752 |
12 |
0 |
0 |
| ODI |
0 |
26 |
33 |
922 |
3950 |
462 |
0 |
0 |
| CDI |
0 |
2 |
9 |
114 |
3649 |
9050 |
40 |
0 |
| VCDI |
0 |
3 |
1 |
5 |
484 |
2526 |
195 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116 |
3122 |
153 |
98 |
39 |
9 |
0 |
0 |
| OW |
0 |
1697 |
321 |
434 |
111 |
4 |
0 |
0 |
| VODI |
0 |
652 |
427 |
1560 |
1017 |
21 |
0 |
0 |
| ODI |
0 |
109 |
123 |
790 |
1802 |
593 |
0 |
0 |
| CDI |
0 |
83 |
112 |
937 |
4420 |
7867 |
224 |
0 |
| VCDI |
0 |
5 |
2 |
157 |
1500 |
3566 |
11 |
0 |
|
Date: 2024-07-10:
| 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 |
302 |
4199 |
76 |
54 |
24 |
0 |
0 |
0 |
| OW |
0 |
1826 |
379 |
221 |
19 |
2 |
0 |
0 |
| VODI |
0 |
661 |
619 |
2482 |
556 |
6 |
0 |
0 |
| ODI |
0 |
72 |
81 |
1161 |
3011 |
553 |
0 |
0 |
| CDI |
0 |
6 |
11 |
249 |
3425 |
9106 |
144 |
0 |
| VCDI |
0 |
7 |
1 |
0 |
446 |
2371 |
12 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
300 |
3410 |
87 |
77 |
26 |
1 |
0 |
0 |
| OW |
2 |
2067 |
349 |
408 |
68 |
7 |
0 |
0 |
| VODI |
0 |
803 |
400 |
1624 |
551 |
8 |
0 |
0 |
| ODI |
0 |
214 |
178 |
896 |
1587 |
508 |
0 |
0 |
| CDI |
0 |
270 |
152 |
1003 |
3739 |
8245 |
118 |
0 |
| VCDI |
0 |
7 |
1 |
159 |
1510 |
3269 |
38 |
0 |
|
Date: 2024-07-12:
| 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 |
383 |
4264 |
76 |
80 |
20 |
0 |
0 |
0 |
| OW |
0 |
1881 |
496 |
375 |
28 |
0 |
0 |
0 |
| VODI |
0 |
734 |
591 |
2157 |
906 |
13 |
0 |
0 |
| ODI |
0 |
174 |
136 |
1073 |
2979 |
576 |
1 |
0 |
| CDI |
0 |
5 |
19 |
418 |
3248 |
9535 |
0 |
0 |
| VCDI |
0 |
7 |
0 |
4 |
496 |
1407 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
378 |
3638 |
122 |
121 |
25 |
0 |
0 |
0 |
| OW |
5 |
2016 |
505 |
654 |
132 |
0 |
0 |
0 |
| VODI |
0 |
772 |
393 |
1292 |
757 |
39 |
1 |
0 |
| ODI |
0 |
289 |
117 |
821 |
1711 |
435 |
0 |
0 |
| CDI |
0 |
325 |
162 |
943 |
2981 |
8746 |
0 |
0 |
| VCDI |
0 |
25 |
19 |
276 |
2071 |
2311 |
0 |
0 |
|
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