Validation of sea ice concentration - Asian sector
Bulletin date: 2022-07-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-15:
| 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 |
2078 |
5756 |
82 |
400 |
45 |
0 |
0 |
0 |
| OW |
2 |
461 |
92 |
760 |
110 |
2 |
0 |
0 |
| VODI |
0 |
164 |
49 |
856 |
578 |
22 |
0 |
0 |
| ODI |
0 |
1 |
1 |
183 |
1397 |
800 |
0 |
0 |
| CDI |
0 |
3 |
2 |
104 |
3308 |
9676 |
2304 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
2153 |
622 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-17:
| 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 |
2693 |
5485 |
64 |
303 |
16 |
0 |
0 |
0 |
| OW |
2 |
661 |
83 |
659 |
50 |
2 |
0 |
0 |
| VODI |
0 |
189 |
52 |
857 |
489 |
22 |
0 |
0 |
| ODI |
0 |
1 |
1 |
266 |
1624 |
713 |
9 |
0 |
| CDI |
0 |
2 |
2 |
101 |
3077 |
11013 |
1775 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
449 |
1243 |
178 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-19:
| 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 |
3788 |
5078 |
54 |
241 |
2 |
0 |
0 |
0 |
| OW |
38 |
556 |
99 |
464 |
23 |
0 |
0 |
0 |
| VODI |
0 |
68 |
46 |
1022 |
259 |
5 |
0 |
0 |
| ODI |
0 |
11 |
1 |
226 |
2993 |
367 |
0 |
0 |
| CDI |
0 |
4 |
2 |
57 |
2796 |
10896 |
1801 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
341 |
842 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-21:
| 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 |
4144 |
4940 |
43 |
205 |
6 |
0 |
0 |
0 |
| OW |
1 |
703 |
62 |
368 |
43 |
0 |
0 |
0 |
| VODI |
0 |
243 |
62 |
774 |
356 |
11 |
0 |
0 |
| ODI |
0 |
33 |
11 |
248 |
2540 |
1032 |
42 |
0 |
| CDI |
0 |
7 |
3 |
45 |
2496 |
9443 |
3538 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
53 |
36 |
594 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4144 |
5076 |
54 |
282 |
21 |
0 |
0 |
0 |
| OW |
1 |
561 |
53 |
315 |
47 |
0 |
0 |
0 |
| VODI |
0 |
248 |
64 |
726 |
289 |
10 |
0 |
0 |
| ODI |
0 |
32 |
6 |
266 |
2434 |
1208 |
24 |
0 |
| CDI |
0 |
9 |
4 |
51 |
2674 |
9228 |
3497 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
76 |
653 |
0 |
|
Date: 2022-07-23:
| 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 |
5212 |
4146 |
33 |
193 |
4 |
0 |
0 |
0 |
| OW |
48 |
884 |
39 |
254 |
21 |
0 |
0 |
0 |
| VODI |
0 |
366 |
57 |
678 |
289 |
5 |
0 |
0 |
| ODI |
0 |
52 |
11 |
266 |
2331 |
1516 |
75 |
0 |
| CDI |
0 |
14 |
5 |
55 |
1996 |
8733 |
4516 |
42 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
5 |
216 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5239 |
4266 |
43 |
273 |
7 |
0 |
0 |
0 |
| OW |
21 |
717 |
26 |
199 |
26 |
0 |
0 |
0 |
| VODI |
0 |
399 |
59 |
627 |
258 |
18 |
0 |
0 |
| ODI |
0 |
57 |
11 |
295 |
2194 |
1427 |
45 |
0 |
| CDI |
0 |
23 |
6 |
52 |
2163 |
8813 |
4506 |
31 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
1 |
256 |
11 |
|
Date: 2022-07-25:
| 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 |
5482 |
5264 |
30 |
106 |
33 |
0 |
0 |
0 |
| OW |
1 |
450 |
69 |
202 |
13 |
0 |
0 |
0 |
| VODI |
0 |
156 |
49 |
791 |
192 |
0 |
0 |
0 |
| ODI |
0 |
7 |
4 |
131 |
2379 |
269 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
1733 |
9199 |
1838 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
176 |
3447 |
37 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5478 |
4536 |
33 |
117 |
38 |
0 |
0 |
0 |
| OW |
5 |
698 |
25 |
178 |
30 |
0 |
0 |
0 |
| VODI |
0 |
498 |
59 |
497 |
229 |
22 |
0 |
0 |
| ODI |
0 |
125 |
30 |
377 |
1920 |
1677 |
186 |
0 |
| CDI |
0 |
20 |
5 |
85 |
2068 |
7945 |
5072 |
33 |
| VCDI |
0 |
0 |
0 |
0 |
65 |
0 |
27 |
4 |
|
Date: 2022-07-27:
| 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 |
6040 |
5221 |
29 |
77 |
42 |
0 |
0 |
0 |
| OW |
1 |
420 |
64 |
173 |
13 |
1 |
0 |
0 |
| VODI |
0 |
218 |
60 |
587 |
319 |
4 |
0 |
0 |
| ODI |
0 |
13 |
7 |
183 |
1972 |
518 |
0 |
0 |
| CDI |
0 |
0 |
0 |
57 |
1379 |
9358 |
2194 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
333 |
2753 |
42 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6022 |
4488 |
25 |
67 |
47 |
0 |
0 |
0 |
| OW |
19 |
615 |
27 |
122 |
24 |
1 |
0 |
0 |
| VODI |
0 |
590 |
65 |
363 |
231 |
48 |
0 |
0 |
| ODI |
0 |
143 |
34 |
366 |
1674 |
2291 |
165 |
0 |
| CDI |
0 |
36 |
9 |
159 |
1654 |
7866 |
4738 |
40 |
| VCDI |
0 |
0 |
0 |
0 |
99 |
8 |
44 |
2 |
|
Date: 2022-07-29:
| 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 |
6131 |
5447 |
32 |
65 |
40 |
0 |
0 |
0 |
| OW |
1 |
593 |
58 |
180 |
24 |
0 |
0 |
0 |
| VODI |
0 |
269 |
46 |
518 |
325 |
9 |
0 |
0 |
| ODI |
0 |
12 |
15 |
267 |
2017 |
661 |
0 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1924 |
9045 |
1763 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1932 |
662 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6121 |
4701 |
21 |
49 |
43 |
0 |
0 |
0 |
| OW |
11 |
701 |
25 |
71 |
16 |
0 |
0 |
0 |
| VODI |
0 |
700 |
64 |
335 |
230 |
87 |
0 |
0 |
| ODI |
0 |
182 |
29 |
487 |
2091 |
2448 |
169 |
0 |
| CDI |
0 |
37 |
12 |
134 |
1910 |
8997 |
2197 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
115 |
59 |
0 |
|
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