Validation of sea ice concentration - Asian sector
Bulletin date: 2022-08-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-12:
| 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 |
7191 |
6520 |
44 |
97 |
12 |
0 |
0 |
0 |
| OW |
0 |
458 |
68 |
268 |
96 |
0 |
0 |
0 |
| VODI |
0 |
59 |
35 |
854 |
740 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
355 |
4938 |
1150 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1474 |
6793 |
656 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
267 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-14:
| 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 |
7559 |
6443 |
33 |
93 |
2 |
0 |
0 |
0 |
| OW |
0 |
517 |
63 |
296 |
67 |
0 |
0 |
0 |
| VODI |
0 |
158 |
53 |
771 |
1092 |
18 |
0 |
0 |
| ODI |
0 |
4 |
4 |
361 |
4736 |
1339 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
2658 |
5240 |
378 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
63 |
125 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-16:
| 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 |
7598 |
6994 |
44 |
74 |
2 |
0 |
0 |
0 |
| OW |
0 |
358 |
85 |
365 |
12 |
0 |
0 |
0 |
| VODI |
0 |
56 |
20 |
1142 |
503 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
269 |
5343 |
1623 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1158 |
5466 |
428 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
138 |
401 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-18:
| 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 |
7281 |
7368 |
43 |
70 |
0 |
0 |
0 |
0 |
| OW |
0 |
451 |
67 |
303 |
19 |
0 |
0 |
0 |
| VODI |
0 |
146 |
42 |
1271 |
744 |
12 |
0 |
0 |
| ODI |
0 |
6 |
3 |
437 |
4302 |
2359 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
1139 |
4945 |
682 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
8 |
377 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7281 |
7405 |
47 |
88 |
3 |
0 |
0 |
0 |
| OW |
0 |
398 |
63 |
291 |
38 |
0 |
0 |
0 |
| VODI |
0 |
162 |
41 |
1201 |
757 |
33 |
0 |
0 |
| ODI |
0 |
6 |
4 |
502 |
4137 |
2208 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
1269 |
5075 |
680 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
8 |
379 |
0 |
|
Date: 2022-08-20:
| 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 |
8155 |
6577 |
36 |
54 |
1 |
0 |
0 |
0 |
| OW |
0 |
629 |
55 |
316 |
28 |
0 |
0 |
0 |
| VODI |
0 |
349 |
53 |
1252 |
983 |
62 |
0 |
0 |
| ODI |
0 |
16 |
17 |
428 |
3867 |
2630 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
1243 |
4276 |
596 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
71 |
376 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8155 |
6639 |
38 |
62 |
2 |
0 |
0 |
0 |
| OW |
0 |
548 |
59 |
337 |
41 |
0 |
0 |
0 |
| VODI |
0 |
344 |
46 |
1164 |
931 |
92 |
0 |
0 |
| ODI |
0 |
40 |
18 |
486 |
3789 |
2490 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
1359 |
4388 |
600 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
69 |
372 |
0 |
|
Date: 2022-08-22:
| 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 |
8414 |
7218 |
24 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
492 |
114 |
319 |
4 |
0 |
0 |
0 |
| VODI |
0 |
49 |
40 |
1862 |
456 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
188 |
5080 |
483 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1105 |
5444 |
291 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
94 |
368 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8414 |
6541 |
31 |
92 |
0 |
0 |
0 |
0 |
| OW |
0 |
667 |
61 |
391 |
75 |
0 |
0 |
0 |
| VODI |
0 |
521 |
69 |
1170 |
1043 |
155 |
8 |
0 |
| ODI |
0 |
30 |
17 |
713 |
3725 |
2026 |
10 |
0 |
| CDI |
0 |
0 |
0 |
40 |
1802 |
3804 |
454 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
36 |
187 |
0 |
|
Date: 2022-08-24:
| 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 |
8422 |
7463 |
17 |
52 |
0 |
0 |
0 |
0 |
| OW |
0 |
568 |
86 |
293 |
2 |
0 |
0 |
0 |
| VODI |
0 |
181 |
87 |
1976 |
525 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
406 |
4718 |
178 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
2737 |
4012 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
136 |
193 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8422 |
6668 |
40 |
138 |
12 |
0 |
0 |
0 |
| OW |
0 |
800 |
39 |
329 |
105 |
0 |
0 |
0 |
| VODI |
0 |
682 |
86 |
1154 |
1265 |
149 |
0 |
0 |
| ODI |
0 |
62 |
25 |
1017 |
4177 |
918 |
4 |
0 |
| CDI |
0 |
0 |
0 |
97 |
2423 |
3217 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
42 |
108 |
0 |
|
Date: 2022-08-26:
| 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 |
8240 |
7696 |
9 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
817 |
84 |
186 |
0 |
0 |
0 |
0 |
| VODI |
0 |
355 |
115 |
1951 |
484 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
705 |
4494 |
73 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
4006 |
2179 |
191 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
410 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8240 |
6930 |
23 |
82 |
41 |
0 |
0 |
0 |
| OW |
0 |
953 |
51 |
287 |
131 |
0 |
0 |
0 |
| VODI |
0 |
840 |
91 |
1324 |
1316 |
68 |
0 |
0 |
| ODI |
0 |
146 |
43 |
1046 |
4039 |
605 |
68 |
0 |
| CDI |
0 |
1 |
0 |
171 |
3459 |
1640 |
123 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
349 |
0 |
0 |
|
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