Validation of sea ice concentration - Asian sector
Bulletin date: 2021-01-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-01-01:
| 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 |
4 |
459 |
18 |
109 |
114 |
78 |
0 |
0 |
| OW |
0 |
72 |
6 |
48 |
52 |
59 |
0 |
0 |
| VODI |
0 |
86 |
3 |
29 |
85 |
63 |
0 |
0 |
| ODI |
0 |
51 |
4 |
28 |
72 |
77 |
0 |
0 |
| CDI |
0 |
40 |
3 |
34 |
52 |
228 |
23 |
8 |
| VCDI |
0 |
46 |
8 |
118 |
351 |
1056 |
5818 |
22780 |
|
...date precedes bulletin
|
Date: 2021-01-03:
| 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 |
7 |
403 |
18 |
114 |
100 |
66 |
23 |
0 |
| OW |
0 |
94 |
5 |
44 |
36 |
49 |
34 |
0 |
| VODI |
0 |
109 |
2 |
41 |
53 |
39 |
45 |
0 |
| ODI |
0 |
78 |
5 |
20 |
105 |
53 |
42 |
0 |
| CDI |
0 |
83 |
8 |
47 |
94 |
192 |
67 |
3 |
| VCDI |
0 |
43 |
13 |
128 |
444 |
1436 |
5791 |
22148 |
|
...date precedes bulletin
|
Date: 2021-01-05:
| 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 |
25 |
695 |
11 |
84 |
32 |
0 |
0 |
0 |
| OW |
0 |
232 |
7 |
44 |
40 |
2 |
0 |
0 |
| VODI |
0 |
156 |
13 |
108 |
55 |
17 |
0 |
0 |
| ODI |
0 |
83 |
8 |
156 |
113 |
59 |
1 |
0 |
| CDI |
0 |
65 |
12 |
142 |
205 |
218 |
74 |
57 |
| VCDI |
0 |
59 |
13 |
215 |
781 |
1793 |
8532 |
17975 |
|
...date precedes bulletin
|
Date: 2021-01-07:
| 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 |
13 |
689 |
14 |
87 |
0 |
0 |
0 |
0 |
| OW |
0 |
348 |
4 |
67 |
0 |
0 |
0 |
0 |
| VODI |
0 |
438 |
30 |
184 |
15 |
0 |
0 |
0 |
| ODI |
0 |
243 |
19 |
219 |
104 |
5 |
1 |
0 |
| CDI |
0 |
145 |
10 |
183 |
281 |
83 |
44 |
34 |
| VCDI |
0 |
109 |
13 |
153 |
862 |
2705 |
8162 |
16818 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13 |
710 |
15 |
65 |
0 |
0 |
0 |
0 |
| OW |
0 |
325 |
5 |
89 |
0 |
0 |
0 |
0 |
| VODI |
0 |
414 |
27 |
181 |
19 |
0 |
0 |
0 |
| ODI |
0 |
220 |
19 |
220 |
96 |
11 |
2 |
0 |
| CDI |
0 |
181 |
9 |
158 |
277 |
96 |
49 |
40 |
| VCDI |
0 |
122 |
15 |
180 |
870 |
2686 |
8156 |
16812 |
|
Date: 2021-01-09:
| 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 |
433 |
18 |
145 |
38 |
0 |
0 |
0 |
| OW |
0 |
237 |
12 |
102 |
38 |
0 |
0 |
0 |
| VODI |
0 |
267 |
14 |
204 |
139 |
0 |
0 |
0 |
| ODI |
0 |
128 |
20 |
140 |
303 |
11 |
0 |
0 |
| CDI |
0 |
71 |
12 |
129 |
307 |
115 |
29 |
9 |
| VCDI |
0 |
52 |
4 |
78 |
451 |
2306 |
6529 |
19724 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17 |
425 |
13 |
115 |
21 |
0 |
0 |
0 |
| OW |
0 |
234 |
18 |
117 |
53 |
0 |
0 |
0 |
| VODI |
0 |
249 |
16 |
227 |
127 |
0 |
0 |
0 |
| ODI |
0 |
137 |
17 |
125 |
273 |
21 |
0 |
0 |
| CDI |
0 |
104 |
14 |
126 |
338 |
83 |
28 |
9 |
| VCDI |
0 |
39 |
2 |
88 |
464 |
2328 |
6530 |
19724 |
|
Date: 2021-01-11:
| 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 |
11 |
750 |
9 |
113 |
18 |
0 |
0 |
0 |
| OW |
0 |
110 |
27 |
183 |
40 |
0 |
0 |
0 |
| VODI |
0 |
46 |
7 |
299 |
261 |
0 |
0 |
0 |
| ODI |
0 |
27 |
1 |
114 |
715 |
15 |
0 |
0 |
| CDI |
0 |
22 |
2 |
21 |
411 |
283 |
33 |
35 |
| VCDI |
0 |
17 |
6 |
51 |
193 |
1862 |
7230 |
19170 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11 |
355 |
4 |
72 |
14 |
0 |
0 |
0 |
| OW |
0 |
163 |
5 |
156 |
87 |
0 |
0 |
0 |
| VODI |
0 |
204 |
15 |
159 |
177 |
1 |
0 |
0 |
| ODI |
0 |
114 |
9 |
156 |
341 |
11 |
0 |
0 |
| CDI |
0 |
79 |
9 |
112 |
391 |
87 |
6 |
0 |
| VCDI |
0 |
57 |
10 |
126 |
628 |
2061 |
7257 |
19205 |
|
Date: 2021-01-13:
| 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 |
0 |
573 |
8 |
80 |
3 |
0 |
0 |
0 |
| OW |
0 |
257 |
32 |
149 |
17 |
0 |
0 |
0 |
| VODI |
0 |
288 |
22 |
419 |
102 |
0 |
0 |
0 |
| ODI |
0 |
68 |
7 |
284 |
267 |
4 |
0 |
0 |
| CDI |
0 |
27 |
3 |
46 |
286 |
109 |
0 |
29 |
| VCDI |
0 |
0 |
0 |
16 |
260 |
1236 |
5030 |
22460 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
339 |
3 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
199 |
12 |
130 |
29 |
0 |
0 |
0 |
| VODI |
0 |
317 |
15 |
238 |
21 |
0 |
0 |
0 |
| ODI |
0 |
245 |
25 |
249 |
48 |
0 |
0 |
0 |
| CDI |
0 |
66 |
12 |
256 |
214 |
12 |
7 |
3 |
| VCDI |
0 |
47 |
5 |
98 |
623 |
1337 |
5023 |
22486 |
|
Date: 2021-01-15:
| 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 |
0 |
396 |
12 |
86 |
1 |
0 |
0 |
0 |
| OW |
0 |
91 |
11 |
186 |
26 |
0 |
0 |
0 |
| VODI |
0 |
151 |
16 |
226 |
107 |
0 |
0 |
0 |
| ODI |
0 |
159 |
10 |
172 |
216 |
15 |
0 |
0 |
| CDI |
0 |
17 |
1 |
64 |
287 |
296 |
21 |
4 |
| VCDI |
0 |
2 |
0 |
25 |
149 |
1697 |
6717 |
20921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
297 |
3 |
18 |
1 |
0 |
0 |
0 |
| OW |
0 |
66 |
8 |
193 |
20 |
0 |
0 |
0 |
| VODI |
0 |
113 |
8 |
205 |
72 |
0 |
0 |
0 |
| ODI |
0 |
119 |
19 |
138 |
115 |
14 |
0 |
0 |
| CDI |
0 |
171 |
9 |
76 |
214 |
116 |
30 |
15 |
| VCDI |
0 |
50 |
3 |
129 |
364 |
1878 |
6708 |
20910 |
|
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