Validation of sea ice concentration - Asian sector
Bulletin date: 2020-12-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-04:
| 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 |
1507 |
2256 |
26 |
72 |
3 |
0 |
0 |
0 |
| OW |
0 |
453 |
34 |
339 |
39 |
0 |
0 |
0 |
| VODI |
0 |
138 |
6 |
289 |
229 |
0 |
0 |
0 |
| ODI |
0 |
54 |
6 |
101 |
366 |
34 |
0 |
0 |
| CDI |
0 |
12 |
1 |
33 |
213 |
362 |
66 |
55 |
| VCDI |
0 |
4 |
0 |
4 |
133 |
1504 |
7809 |
15934 |
|
...date precedes bulletin
|
Date: 2020-12-06:
| 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 |
1301 |
1885 |
18 |
107 |
12 |
0 |
0 |
0 |
| OW |
0 |
381 |
22 |
169 |
93 |
0 |
0 |
0 |
| VODI |
0 |
135 |
21 |
159 |
508 |
22 |
0 |
0 |
| ODI |
0 |
4 |
5 |
96 |
316 |
128 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
266 |
399 |
26 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
2005 |
5879 |
17985 |
|
...date precedes bulletin
|
Date: 2020-12-08:
| 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 |
1196 |
2053 |
24 |
35 |
1 |
0 |
0 |
0 |
| OW |
12 |
187 |
16 |
121 |
130 |
0 |
0 |
0 |
| VODI |
0 |
39 |
13 |
174 |
232 |
3 |
0 |
0 |
| ODI |
0 |
0 |
2 |
69 |
593 |
41 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
467 |
367 |
0 |
17 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1587 |
2976 |
21708 |
|
...date precedes bulletin
|
Date: 2020-12-10:
| 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 |
997 |
2247 |
8 |
31 |
6 |
0 |
0 |
0 |
| OW |
10 |
242 |
17 |
84 |
29 |
0 |
0 |
0 |
| VODI |
0 |
128 |
22 |
110 |
139 |
6 |
0 |
0 |
| ODI |
0 |
7 |
10 |
115 |
240 |
32 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
323 |
356 |
14 |
10 |
| VCDI |
0 |
0 |
0 |
1 |
45 |
1617 |
4482 |
20719 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1006 |
2315 |
16 |
41 |
8 |
0 |
0 |
0 |
| OW |
1 |
201 |
10 |
70 |
18 |
0 |
0 |
0 |
| VODI |
0 |
99 |
19 |
129 |
103 |
3 |
0 |
0 |
| ODI |
0 |
9 |
12 |
82 |
250 |
19 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
326 |
284 |
15 |
13 |
| VCDI |
0 |
0 |
0 |
10 |
77 |
1705 |
4481 |
20716 |
|
Date: 2020-12-12:
| 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 |
993 |
2230 |
7 |
37 |
14 |
0 |
0 |
0 |
| OW |
11 |
326 |
4 |
20 |
16 |
1 |
0 |
0 |
| VODI |
0 |
295 |
23 |
31 |
32 |
7 |
0 |
0 |
| ODI |
0 |
99 |
32 |
130 |
40 |
19 |
0 |
0 |
| CDI |
0 |
8 |
11 |
182 |
154 |
120 |
6 |
16 |
| VCDI |
0 |
0 |
0 |
94 |
664 |
2223 |
3083 |
21154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1002 |
2273 |
7 |
41 |
17 |
0 |
0 |
0 |
| OW |
2 |
248 |
4 |
15 |
16 |
1 |
0 |
0 |
| VODI |
0 |
297 |
23 |
32 |
29 |
5 |
0 |
0 |
| ODI |
0 |
114 |
24 |
106 |
40 |
14 |
0 |
0 |
| CDI |
0 |
26 |
16 |
169 |
140 |
106 |
5 |
14 |
| VCDI |
0 |
0 |
3 |
131 |
678 |
2244 |
3084 |
21156 |
|
Date: 2020-12-14:
| 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 |
59 |
2801 |
45 |
149 |
40 |
2 |
0 |
0 |
| OW |
0 |
105 |
34 |
153 |
49 |
5 |
0 |
0 |
| VODI |
0 |
16 |
11 |
261 |
88 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
79 |
258 |
13 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
271 |
240 |
18 |
1 |
| VCDI |
0 |
0 |
0 |
54 |
343 |
2538 |
6023 |
18394 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59 |
2514 |
37 |
147 |
46 |
6 |
0 |
0 |
| OW |
0 |
233 |
15 |
85 |
49 |
5 |
0 |
0 |
| VODI |
0 |
139 |
21 |
112 |
46 |
14 |
0 |
0 |
| ODI |
0 |
35 |
16 |
182 |
59 |
17 |
0 |
0 |
| CDI |
0 |
1 |
1 |
130 |
243 |
109 |
15 |
4 |
| VCDI |
0 |
0 |
0 |
63 |
606 |
2656 |
6026 |
18391 |
|
Date: 2020-12-16:
| 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 |
53 |
2334 |
41 |
103 |
31 |
1 |
0 |
0 |
| OW |
0 |
147 |
38 |
136 |
34 |
4 |
0 |
0 |
| VODI |
0 |
18 |
15 |
278 |
114 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
70 |
180 |
9 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
288 |
69 |
16 |
4 |
| VCDI |
0 |
0 |
0 |
82 |
304 |
2383 |
7770 |
17547 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53 |
2325 |
65 |
324 |
92 |
10 |
0 |
0 |
| OW |
0 |
114 |
10 |
79 |
79 |
11 |
0 |
0 |
| VODI |
0 |
57 |
16 |
100 |
95 |
24 |
0 |
0 |
| ODI |
0 |
3 |
3 |
70 |
135 |
29 |
15 |
0 |
| CDI |
0 |
0 |
0 |
20 |
138 |
93 |
59 |
6 |
| VCDI |
0 |
0 |
0 |
81 |
412 |
2307 |
7712 |
17545 |
|
Date: 2020-12-18:
| 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 |
37 |
1852 |
43 |
130 |
19 |
0 |
0 |
0 |
| OW |
0 |
163 |
12 |
146 |
57 |
4 |
0 |
0 |
| VODI |
0 |
37 |
21 |
117 |
156 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
252 |
11 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
233 |
86 |
31 |
2 |
| VCDI |
0 |
0 |
0 |
55 |
398 |
2687 |
7917 |
17507 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
37 |
1962 |
61 |
344 |
230 |
9 |
0 |
0 |
| OW |
0 |
67 |
7 |
55 |
204 |
18 |
0 |
0 |
| VODI |
0 |
21 |
6 |
62 |
146 |
60 |
0 |
0 |
| ODI |
0 |
2 |
2 |
28 |
102 |
142 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
108 |
241 |
26 |
13 |
| VCDI |
0 |
0 |
0 |
55 |
325 |
2326 |
7922 |
17496 |
|
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