Validation of sea ice concentration - Asian sector
Bulletin date: 2020-12-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-27:
| 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 |
1379 |
3049 |
23 |
55 |
0 |
0 |
0 |
0 |
| OW |
2 |
292 |
31 |
260 |
27 |
0 |
0 |
0 |
| VODI |
0 |
101 |
9 |
167 |
214 |
5 |
0 |
0 |
| ODI |
0 |
61 |
6 |
97 |
288 |
64 |
0 |
0 |
| CDI |
0 |
28 |
3 |
73 |
304 |
249 |
10 |
14 |
| VCDI |
0 |
10 |
4 |
57 |
295 |
2145 |
6047 |
16713 |
|
...date precedes bulletin
|
Date: 2020-11-29:
| 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 |
1685 |
2816 |
11 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
545 |
35 |
100 |
1 |
0 |
0 |
0 |
| VODI |
0 |
160 |
24 |
294 |
97 |
5 |
0 |
0 |
| ODI |
0 |
86 |
5 |
131 |
279 |
65 |
0 |
0 |
| CDI |
0 |
42 |
4 |
81 |
450 |
285 |
16 |
66 |
| VCDI |
0 |
27 |
3 |
80 |
381 |
2359 |
8642 |
13292 |
|
...date precedes bulletin
|
Date: 2020-12-01:
| 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 |
1649 |
3203 |
33 |
86 |
1 |
0 |
0 |
0 |
| OW |
0 |
326 |
26 |
183 |
37 |
0 |
0 |
0 |
| VODI |
0 |
143 |
10 |
184 |
190 |
2 |
0 |
0 |
| ODI |
0 |
73 |
1 |
56 |
352 |
191 |
22 |
1 |
| CDI |
0 |
51 |
2 |
36 |
278 |
425 |
100 |
19 |
| VCDI |
0 |
19 |
1 |
23 |
283 |
3539 |
8503 |
12034 |
|
...date precedes bulletin
|
Date: 2020-12-03:
| 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 |
1518 |
2512 |
29 |
73 |
1 |
0 |
0 |
0 |
| OW |
0 |
508 |
25 |
241 |
28 |
0 |
0 |
0 |
| VODI |
0 |
151 |
19 |
247 |
240 |
3 |
0 |
0 |
| ODI |
0 |
54 |
4 |
117 |
300 |
69 |
5 |
12 |
| CDI |
0 |
11 |
1 |
56 |
285 |
448 |
43 |
114 |
| VCDI |
0 |
2 |
0 |
8 |
135 |
1482 |
7560 |
15781 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1518 |
2586 |
33 |
108 |
8 |
0 |
0 |
0 |
| OW |
0 |
388 |
23 |
224 |
52 |
0 |
0 |
0 |
| VODI |
0 |
176 |
16 |
225 |
214 |
6 |
0 |
0 |
| ODI |
0 |
72 |
5 |
126 |
299 |
64 |
6 |
0 |
| CDI |
0 |
12 |
1 |
58 |
263 |
422 |
43 |
137 |
| VCDI |
0 |
4 |
0 |
1 |
153 |
1510 |
7559 |
15770 |
|
Date: 2020-12-05:
| 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 |
1518 |
2036 |
22 |
69 |
2 |
0 |
0 |
0 |
| OW |
0 |
440 |
26 |
264 |
37 |
0 |
0 |
0 |
| VODI |
0 |
159 |
6 |
281 |
281 |
3 |
0 |
0 |
| ODI |
0 |
71 |
11 |
70 |
321 |
45 |
0 |
0 |
| CDI |
0 |
15 |
0 |
53 |
302 |
247 |
29 |
28 |
| VCDI |
0 |
4 |
1 |
3 |
218 |
1752 |
7668 |
16100 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1518 |
2141 |
29 |
90 |
4 |
0 |
0 |
0 |
| OW |
0 |
332 |
18 |
212 |
43 |
0 |
0 |
0 |
| VODI |
0 |
164 |
9 |
313 |
273 |
4 |
0 |
0 |
| ODI |
0 |
65 |
7 |
70 |
295 |
31 |
0 |
0 |
| CDI |
0 |
13 |
2 |
52 |
325 |
217 |
32 |
16 |
| VCDI |
0 |
10 |
1 |
3 |
221 |
1795 |
7665 |
16112 |
|
Date: 2020-12-07:
| 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 |
1256 |
2068 |
19 |
41 |
8 |
0 |
0 |
0 |
| OW |
3 |
143 |
22 |
176 |
123 |
0 |
0 |
0 |
| VODI |
0 |
29 |
10 |
196 |
290 |
6 |
0 |
0 |
| ODI |
0 |
0 |
1 |
63 |
760 |
70 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
278 |
574 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1598 |
5586 |
18741 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1240 |
1660 |
18 |
62 |
57 |
0 |
0 |
0 |
| OW |
19 |
322 |
5 |
107 |
131 |
2 |
0 |
0 |
| VODI |
0 |
257 |
26 |
187 |
391 |
32 |
0 |
0 |
| ODI |
0 |
1 |
3 |
101 |
410 |
64 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
359 |
278 |
24 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
113 |
1872 |
5581 |
18740 |
|
Date: 2020-12-09:
| 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 |
1199 |
2084 |
8 |
25 |
7 |
0 |
0 |
0 |
| OW |
12 |
216 |
19 |
87 |
56 |
0 |
0 |
0 |
| VODI |
0 |
102 |
20 |
127 |
157 |
23 |
0 |
0 |
| ODI |
0 |
10 |
7 |
112 |
220 |
139 |
0 |
0 |
| CDI |
0 |
0 |
0 |
42 |
253 |
494 |
20 |
25 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
1322 |
4879 |
20348 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1143 |
1754 |
10 |
35 |
11 |
0 |
0 |
0 |
| OW |
68 |
330 |
11 |
60 |
95 |
0 |
0 |
0 |
| VODI |
0 |
257 |
16 |
93 |
176 |
47 |
0 |
0 |
| ODI |
0 |
69 |
15 |
114 |
183 |
198 |
4 |
0 |
| CDI |
0 |
2 |
2 |
86 |
158 |
394 |
41 |
35 |
| VCDI |
0 |
0 |
0 |
5 |
139 |
1339 |
4854 |
20338 |
|
Date: 2020-12-11:
| 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 |
1011 |
2347 |
7 |
19 |
0 |
0 |
0 |
0 |
| OW |
4 |
305 |
8 |
25 |
10 |
0 |
0 |
0 |
| VODI |
0 |
224 |
17 |
112 |
30 |
0 |
0 |
0 |
| ODI |
0 |
46 |
28 |
171 |
99 |
24 |
0 |
0 |
| CDI |
0 |
0 |
3 |
157 |
253 |
111 |
7 |
4 |
| VCDI |
0 |
0 |
0 |
26 |
506 |
1819 |
3164 |
21545 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
952 |
1625 |
8 |
17 |
0 |
0 |
0 |
0 |
| OW |
37 |
368 |
2 |
20 |
10 |
0 |
0 |
0 |
| VODI |
26 |
624 |
20 |
67 |
25 |
3 |
0 |
0 |
| ODI |
0 |
220 |
19 |
189 |
94 |
16 |
0 |
0 |
| CDI |
0 |
56 |
7 |
137 |
333 |
179 |
9 |
48 |
| VCDI |
0 |
29 |
7 |
80 |
436 |
1756 |
3162 |
21501 |
|
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