Validation of sea ice concentration - Asian sector
Bulletin date: 2021-01-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-01-08:
| 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 |
13 |
571 |
13 |
84 |
10 |
0 |
0 |
0 |
| OW |
0 |
356 |
11 |
66 |
12 |
0 |
0 |
0 |
| VODI |
0 |
434 |
22 |
141 |
100 |
0 |
0 |
0 |
| ODI |
0 |
265 |
16 |
162 |
127 |
0 |
0 |
0 |
| CDI |
0 |
128 |
14 |
110 |
333 |
60 |
18 |
4 |
| VCDI |
0 |
57 |
9 |
112 |
464 |
2573 |
7279 |
18518 |
|
...date precedes bulletin
|
Date: 2021-01-10:
| 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 |
11 |
382 |
6 |
73 |
144 |
0 |
0 |
0 |
| OW |
0 |
183 |
9 |
58 |
122 |
0 |
0 |
0 |
| VODI |
0 |
222 |
9 |
115 |
242 |
5 |
0 |
0 |
| ODI |
0 |
98 |
18 |
97 |
396 |
37 |
0 |
0 |
| CDI |
0 |
54 |
6 |
124 |
401 |
157 |
22 |
0 |
| VCDI |
0 |
67 |
9 |
108 |
612 |
1836 |
7002 |
19457 |
|
...date precedes bulletin
|
Date: 2021-01-12:
| 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 |
1 |
736 |
19 |
72 |
11 |
0 |
0 |
0 |
| OW |
0 |
191 |
30 |
183 |
25 |
0 |
0 |
0 |
| VODI |
0 |
75 |
24 |
419 |
131 |
0 |
0 |
0 |
| ODI |
0 |
13 |
2 |
271 |
425 |
2 |
0 |
0 |
| CDI |
0 |
7 |
1 |
79 |
366 |
143 |
63 |
12 |
| VCDI |
0 |
0 |
3 |
46 |
270 |
1472 |
5399 |
21591 |
|
...date precedes bulletin
|
Date: 2021-01-14:
| 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 |
0 |
486 |
15 |
76 |
0 |
0 |
0 |
0 |
| OW |
0 |
159 |
20 |
181 |
10 |
0 |
0 |
0 |
| VODI |
0 |
261 |
27 |
331 |
88 |
7 |
0 |
0 |
| ODI |
0 |
87 |
8 |
217 |
314 |
77 |
0 |
0 |
| CDI |
0 |
14 |
1 |
29 |
196 |
262 |
12 |
7 |
| VCDI |
0 |
0 |
0 |
12 |
145 |
1004 |
5535 |
22501 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
462 |
13 |
60 |
1 |
0 |
0 |
0 |
| OW |
0 |
154 |
18 |
169 |
11 |
0 |
0 |
0 |
| VODI |
0 |
294 |
27 |
326 |
84 |
1 |
0 |
0 |
| ODI |
0 |
76 |
11 |
236 |
298 |
93 |
0 |
0 |
| CDI |
0 |
18 |
2 |
41 |
210 |
240 |
13 |
5 |
| VCDI |
0 |
3 |
0 |
14 |
149 |
1016 |
5534 |
22503 |
|
Date: 2021-01-16:
| 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 |
0 |
369 |
6 |
31 |
23 |
1 |
0 |
0 |
| OW |
0 |
36 |
9 |
108 |
84 |
11 |
0 |
0 |
| VODI |
0 |
46 |
9 |
156 |
121 |
27 |
0 |
0 |
| ODI |
0 |
81 |
14 |
156 |
181 |
41 |
0 |
0 |
| CDI |
0 |
47 |
13 |
108 |
183 |
217 |
31 |
2 |
| VCDI |
0 |
0 |
2 |
48 |
269 |
2252 |
8171 |
19229 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
370 |
7 |
18 |
16 |
2 |
0 |
0 |
| OW |
0 |
29 |
5 |
93 |
68 |
16 |
0 |
0 |
| VODI |
0 |
46 |
11 |
182 |
147 |
30 |
0 |
0 |
| ODI |
0 |
74 |
14 |
150 |
160 |
35 |
0 |
0 |
| CDI |
0 |
59 |
14 |
98 |
163 |
226 |
28 |
3 |
| VCDI |
0 |
1 |
2 |
66 |
307 |
2240 |
8174 |
19228 |
|
Date: 2021-01-18:
| 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 |
0 |
365 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
8 |
21 |
1 |
0 |
0 |
0 |
| VODI |
0 |
10 |
5 |
43 |
53 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
54 |
216 |
116 |
0 |
0 |
| CDI |
0 |
0 |
0 |
66 |
289 |
336 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
65 |
203 |
2715 |
6476 |
20968 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
326 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
41 |
3 |
16 |
2 |
1 |
0 |
0 |
| VODI |
0 |
34 |
5 |
21 |
60 |
108 |
0 |
0 |
| ODI |
0 |
12 |
4 |
28 |
107 |
93 |
0 |
0 |
| CDI |
0 |
1 |
0 |
54 |
148 |
193 |
4 |
1 |
| VCDI |
0 |
0 |
0 |
129 |
445 |
2800 |
6477 |
20967 |
|
Date: 2021-01-20:
| 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 |
22 |
295 |
3 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
26 |
2 |
12 |
0 |
0 |
0 |
0 |
| VODI |
0 |
17 |
4 |
40 |
0 |
1 |
0 |
0 |
| ODI |
0 |
6 |
0 |
36 |
11 |
2 |
0 |
0 |
| CDI |
0 |
3 |
1 |
34 |
62 |
139 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
252 |
2607 |
6322 |
22142 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22 |
270 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
39 |
4 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
3 |
40 |
0 |
25 |
0 |
0 |
| ODI |
0 |
13 |
1 |
41 |
12 |
83 |
0 |
0 |
| CDI |
0 |
5 |
1 |
34 |
53 |
238 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
260 |
2403 |
6316 |
22142 |
|
Date: 2021-01-22:
| 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 |
0 |
291 |
3 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
15 |
1 |
12 |
2 |
0 |
0 |
0 |
| VODI |
0 |
13 |
1 |
23 |
8 |
0 |
0 |
0 |
| ODI |
0 |
2 |
2 |
31 |
17 |
0 |
0 |
0 |
| CDI |
0 |
3 |
2 |
48 |
28 |
30 |
5 |
0 |
| VCDI |
0 |
2 |
3 |
34 |
131 |
1371 |
7107 |
22883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
258 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
30 |
3 |
9 |
0 |
0 |
0 |
0 |
| VODI |
0 |
20 |
2 |
30 |
1 |
0 |
0 |
0 |
| ODI |
0 |
11 |
0 |
26 |
12 |
15 |
0 |
0 |
| CDI |
0 |
3 |
2 |
49 |
33 |
68 |
51 |
1 |
| VCDI |
0 |
4 |
5 |
46 |
140 |
1318 |
7061 |
22882 |
|
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