Validation of sea ice concentration - Asian sector
Bulletin date: 2021-06-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-06-11:
| 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 |
21 |
2588 |
86 |
383 |
94 |
0 |
0 |
0 |
| OW |
0 |
333 |
45 |
416 |
319 |
12 |
0 |
0 |
| VODI |
0 |
195 |
23 |
336 |
831 |
124 |
0 |
6 |
| ODI |
0 |
91 |
20 |
286 |
1627 |
1058 |
17 |
2 |
| CDI |
0 |
45 |
9 |
60 |
742 |
3053 |
674 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
639 |
4186 |
7249 |
6496 |
|
...date precedes bulletin
|
Date: 2021-06-13:
| 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 |
45 |
2785 |
106 |
419 |
33 |
80 |
0 |
0 |
| OW |
0 |
369 |
41 |
445 |
271 |
95 |
0 |
0 |
| VODI |
0 |
250 |
35 |
410 |
769 |
348 |
0 |
6 |
| ODI |
0 |
99 |
22 |
481 |
1623 |
889 |
22 |
2 |
| CDI |
0 |
45 |
7 |
58 |
809 |
2845 |
775 |
12 |
| VCDI |
0 |
0 |
0 |
0 |
917 |
4131 |
7168 |
5670 |
|
...date precedes bulletin
|
Date: 2021-06-15:
| 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 |
108 |
3379 |
116 |
440 |
52 |
38 |
0 |
0 |
| OW |
0 |
278 |
62 |
607 |
211 |
38 |
1 |
0 |
| VODI |
0 |
83 |
18 |
612 |
916 |
119 |
9 |
0 |
| ODI |
0 |
35 |
3 |
101 |
1887 |
506 |
4 |
0 |
| CDI |
0 |
28 |
7 |
63 |
1533 |
4229 |
493 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
3473 |
7521 |
5068 |
|
...date precedes bulletin
|
Date: 2021-06-17:
| 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 |
378 |
3561 |
101 |
543 |
88 |
9 |
0 |
0 |
| OW |
0 |
284 |
68 |
745 |
199 |
47 |
4 |
0 |
| VODI |
0 |
96 |
26 |
594 |
1002 |
150 |
11 |
0 |
| ODI |
0 |
48 |
1 |
120 |
1624 |
490 |
21 |
0 |
| CDI |
0 |
26 |
6 |
56 |
2053 |
4483 |
142 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
4723 |
6046 |
4291 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
378 |
3588 |
119 |
732 |
146 |
16 |
0 |
0 |
| OW |
0 |
244 |
50 |
585 |
230 |
50 |
3 |
0 |
| VODI |
0 |
106 |
26 |
547 |
1150 |
160 |
11 |
0 |
| ODI |
0 |
46 |
0 |
133 |
1417 |
456 |
18 |
0 |
| CDI |
0 |
31 |
7 |
61 |
1983 |
4258 |
163 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
86 |
4962 |
6029 |
4291 |
|
Date: 2021-06-19:
| 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 |
427 |
3866 |
120 |
753 |
109 |
0 |
0 |
0 |
| OW |
0 |
328 |
59 |
751 |
325 |
8 |
0 |
0 |
| VODI |
0 |
167 |
39 |
691 |
1048 |
113 |
0 |
0 |
| ODI |
0 |
44 |
4 |
300 |
1374 |
444 |
1 |
0 |
| CDI |
0 |
24 |
7 |
135 |
2611 |
4002 |
461 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
295 |
5410 |
4749 |
3415 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
427 |
3928 |
140 |
932 |
191 |
2 |
0 |
0 |
| OW |
0 |
257 |
38 |
648 |
341 |
10 |
0 |
0 |
| VODI |
0 |
175 |
40 |
643 |
1138 |
107 |
0 |
0 |
| ODI |
0 |
45 |
4 |
270 |
1196 |
407 |
1 |
0 |
| CDI |
0 |
24 |
7 |
138 |
2628 |
3858 |
437 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
268 |
5593 |
4773 |
3415 |
|
Date: 2021-06-21:
| 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 |
504 |
4582 |
155 |
808 |
76 |
0 |
0 |
0 |
| OW |
0 |
239 |
73 |
842 |
138 |
0 |
0 |
0 |
| VODI |
0 |
179 |
10 |
998 |
863 |
52 |
0 |
0 |
| ODI |
0 |
48 |
15 |
209 |
2352 |
330 |
0 |
0 |
| CDI |
0 |
2 |
3 |
35 |
2782 |
5130 |
243 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
1110 |
2275 |
4676 |
3345 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
504 |
4229 |
155 |
1136 |
187 |
0 |
0 |
0 |
| OW |
0 |
322 |
36 |
649 |
421 |
15 |
0 |
0 |
| VODI |
0 |
312 |
31 |
547 |
1130 |
235 |
0 |
0 |
| ODI |
0 |
81 |
15 |
286 |
843 |
442 |
7 |
0 |
| CDI |
0 |
101 |
16 |
256 |
2867 |
3796 |
428 |
0 |
| VCDI |
0 |
5 |
3 |
26 |
1873 |
3299 |
4484 |
3345 |
|
Date: 2021-06-23:
| 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 |
587 |
4930 |
180 |
916 |
206 |
0 |
0 |
0 |
| OW |
0 |
125 |
48 |
796 |
531 |
18 |
0 |
0 |
| VODI |
0 |
52 |
22 |
395 |
1594 |
101 |
0 |
0 |
| ODI |
0 |
30 |
7 |
164 |
1959 |
474 |
3 |
0 |
| CDI |
0 |
0 |
2 |
32 |
1644 |
5912 |
765 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2499 |
4649 |
3434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
587 |
4410 |
167 |
1049 |
319 |
0 |
0 |
0 |
| OW |
0 |
273 |
28 |
541 |
679 |
48 |
0 |
0 |
| VODI |
0 |
202 |
21 |
304 |
1471 |
195 |
0 |
0 |
| ODI |
0 |
113 |
20 |
134 |
1004 |
442 |
22 |
0 |
| CDI |
0 |
139 |
23 |
275 |
2192 |
4451 |
1091 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
276 |
3868 |
4304 |
3431 |
|
Date: 2021-06-25:
| 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 |
620 |
5269 |
174 |
916 |
271 |
0 |
0 |
0 |
| OW |
0 |
181 |
62 |
750 |
923 |
0 |
0 |
0 |
| VODI |
0 |
75 |
20 |
373 |
1360 |
144 |
0 |
0 |
| ODI |
0 |
13 |
11 |
106 |
1617 |
746 |
1 |
0 |
| CDI |
0 |
0 |
0 |
26 |
946 |
6466 |
934 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
7 |
1664 |
5343 |
3063 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
620 |
4847 |
157 |
996 |
444 |
0 |
0 |
0 |
| OW |
0 |
347 |
50 |
525 |
818 |
11 |
0 |
0 |
| VODI |
0 |
181 |
27 |
289 |
1343 |
184 |
0 |
0 |
| ODI |
0 |
79 |
16 |
198 |
993 |
568 |
17 |
0 |
| CDI |
0 |
83 |
16 |
146 |
1494 |
5387 |
1150 |
0 |
| VCDI |
0 |
1 |
1 |
18 |
32 |
2870 |
5111 |
3063 |
|
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