Validation of sea ice concentration - Asian sector
Bulletin date: 2021-10-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-22:
| 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 |
3023 |
3029 |
73 |
431 |
115 |
1 |
0 |
0 |
| OW |
0 |
390 |
72 |
913 |
1267 |
422 |
0 |
0 |
| VODI |
0 |
83 |
20 |
306 |
1079 |
918 |
57 |
0 |
| ODI |
0 |
17 |
6 |
119 |
394 |
800 |
87 |
0 |
| CDI |
0 |
4 |
2 |
69 |
314 |
1016 |
456 |
2 |
| VCDI |
0 |
0 |
0 |
15 |
439 |
1867 |
6831 |
7445 |
|
...date precedes bulletin
|
Date: 2021-10-24:
| 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 |
2941 |
2217 |
35 |
210 |
24 |
0 |
0 |
0 |
| OW |
0 |
597 |
48 |
493 |
515 |
127 |
0 |
0 |
| VODI |
0 |
69 |
15 |
299 |
1400 |
1409 |
269 |
0 |
| ODI |
0 |
0 |
1 |
82 |
505 |
1039 |
143 |
0 |
| CDI |
0 |
0 |
0 |
32 |
363 |
882 |
487 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
237 |
1875 |
7689 |
8078 |
|
...date precedes bulletin
|
Date: 2021-10-26:
| 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 |
2243 |
1967 |
29 |
191 |
41 |
0 |
0 |
0 |
| OW |
0 |
104 |
15 |
380 |
241 |
1 |
0 |
0 |
| VODI |
0 |
15 |
2 |
179 |
734 |
67 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
910 |
387 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
524 |
2873 |
258 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
2802 |
6857 |
11176 |
|
...date precedes bulletin
|
Date: 2021-10-28:
| 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 |
1702 |
1911 |
17 |
114 |
13 |
3 |
0 |
0 |
| OW |
0 |
133 |
11 |
146 |
218 |
65 |
0 |
0 |
| VODI |
0 |
28 |
8 |
88 |
362 |
435 |
72 |
0 |
| ODI |
0 |
0 |
0 |
13 |
213 |
599 |
119 |
0 |
| CDI |
0 |
0 |
0 |
0 |
109 |
1851 |
198 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
3816 |
9121 |
10677 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1702 |
1942 |
19 |
176 |
89 |
20 |
0 |
0 |
| OW |
0 |
101 |
8 |
95 |
150 |
70 |
17 |
0 |
| VODI |
0 |
29 |
9 |
84 |
332 |
464 |
67 |
0 |
| ODI |
0 |
0 |
0 |
6 |
218 |
678 |
84 |
0 |
| CDI |
0 |
0 |
0 |
0 |
104 |
1628 |
199 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
62 |
3909 |
9143 |
10677 |
|
Date: 2021-10-30:
| 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 |
1437 |
1845 |
15 |
56 |
2 |
0 |
0 |
0 |
| OW |
0 |
150 |
10 |
135 |
158 |
15 |
0 |
0 |
| VODI |
0 |
31 |
12 |
73 |
208 |
354 |
66 |
0 |
| ODI |
0 |
0 |
0 |
19 |
96 |
527 |
249 |
0 |
| CDI |
0 |
0 |
0 |
0 |
10 |
898 |
506 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2343 |
9912 |
12952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1437 |
1903 |
21 |
128 |
32 |
1 |
0 |
0 |
| OW |
0 |
92 |
7 |
71 |
158 |
86 |
0 |
0 |
| VODI |
0 |
31 |
9 |
70 |
172 |
255 |
145 |
0 |
| ODI |
0 |
0 |
0 |
14 |
96 |
483 |
223 |
0 |
| CDI |
0 |
0 |
0 |
0 |
16 |
920 |
368 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2392 |
9997 |
12952 |
|
Date: 2021-11-01:
| 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 |
900 |
2336 |
13 |
43 |
5 |
0 |
0 |
0 |
| OW |
0 |
69 |
16 |
79 |
20 |
0 |
0 |
0 |
| VODI |
0 |
15 |
9 |
65 |
167 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
4 |
189 |
173 |
16 |
0 |
| CDI |
0 |
0 |
0 |
0 |
26 |
953 |
384 |
148 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
1036 |
8134 |
17218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
900 |
2192 |
10 |
37 |
15 |
0 |
0 |
0 |
| OW |
0 |
158 |
14 |
79 |
69 |
25 |
0 |
0 |
| VODI |
0 |
70 |
12 |
49 |
193 |
129 |
67 |
0 |
| ODI |
0 |
0 |
2 |
26 |
95 |
246 |
283 |
53 |
| CDI |
0 |
0 |
0 |
0 |
39 |
558 |
476 |
237 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
1204 |
7708 |
17076 |
|
Date: 2021-11-03:
| 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 |
1473 |
2012 |
3 |
6 |
0 |
0 |
0 |
0 |
| OW |
0 |
230 |
2 |
12 |
8 |
0 |
0 |
0 |
| VODI |
0 |
144 |
27 |
60 |
15 |
60 |
43 |
0 |
| ODI |
0 |
29 |
13 |
170 |
52 |
152 |
52 |
0 |
| CDI |
0 |
0 |
1 |
71 |
342 |
253 |
230 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
250 |
2766 |
10177 |
13422 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1473 |
1794 |
3 |
7 |
7 |
0 |
0 |
0 |
| OW |
0 |
268 |
5 |
25 |
3 |
0 |
0 |
0 |
| VODI |
0 |
258 |
18 |
84 |
87 |
6 |
0 |
0 |
| ODI |
0 |
87 |
18 |
133 |
105 |
113 |
0 |
0 |
| CDI |
0 |
8 |
2 |
61 |
187 |
323 |
131 |
42 |
| VCDI |
0 |
0 |
0 |
9 |
278 |
2789 |
10371 |
13387 |
|
Date: 2021-11-05:
| 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 |
1432 |
1901 |
2 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
330 |
2 |
30 |
0 |
0 |
0 |
0 |
| VODI |
0 |
188 |
21 |
73 |
20 |
24 |
0 |
0 |
| ODI |
0 |
78 |
10 |
121 |
75 |
161 |
14 |
0 |
| CDI |
0 |
29 |
6 |
137 |
227 |
390 |
170 |
102 |
| VCDI |
0 |
0 |
0 |
135 |
794 |
4763 |
9395 |
11435 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1432 |
2005 |
2 |
31 |
0 |
0 |
0 |
0 |
| OW |
0 |
274 |
8 |
61 |
3 |
0 |
0 |
0 |
| VODI |
0 |
193 |
20 |
96 |
85 |
3 |
0 |
0 |
| ODI |
0 |
28 |
8 |
103 |
131 |
121 |
26 |
0 |
| CDI |
0 |
25 |
3 |
77 |
162 |
303 |
171 |
0 |
| VCDI |
0 |
1 |
0 |
145 |
735 |
4911 |
9382 |
11537 |
|
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