Validation of sea ice concentration - Asian sector
Bulletin date: 2022-03-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-11:
| 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 |
0 |
148 |
6 |
23 |
6 |
0 |
0 |
0 |
| OW |
0 |
56 |
0 |
8 |
8 |
0 |
0 |
0 |
| VODI |
0 |
50 |
7 |
12 |
7 |
2 |
0 |
0 |
| ODI |
0 |
28 |
1 |
14 |
4 |
8 |
0 |
0 |
| CDI |
0 |
31 |
2 |
18 |
11 |
49 |
0 |
20 |
| VCDI |
0 |
189 |
18 |
144 |
260 |
613 |
5044 |
25295 |
|
...date precedes bulletin
|
Date: 2022-03-13:
| 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 |
142 |
7 |
24 |
10 |
0 |
0 |
0 |
| OW |
0 |
51 |
3 |
10 |
10 |
0 |
0 |
0 |
| VODI |
0 |
43 |
3 |
15 |
4 |
0 |
0 |
0 |
| ODI |
0 |
35 |
1 |
4 |
9 |
1 |
0 |
0 |
| CDI |
0 |
45 |
2 |
14 |
13 |
77 |
30 |
24 |
| VCDI |
0 |
234 |
22 |
163 |
271 |
678 |
6066 |
24071 |
|
...date precedes bulletin
|
Date: 2022-03-15:
| 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 |
239 |
9 |
16 |
0 |
0 |
0 |
0 |
| OW |
0 |
46 |
5 |
15 |
1 |
0 |
0 |
0 |
| VODI |
0 |
42 |
1 |
17 |
3 |
0 |
0 |
0 |
| ODI |
0 |
29 |
1 |
12 |
10 |
0 |
0 |
0 |
| CDI |
0 |
38 |
2 |
8 |
43 |
33 |
7 |
0 |
| VCDI |
0 |
241 |
22 |
184 |
324 |
1075 |
5614 |
24045 |
|
...date precedes bulletin
|
Date: 2022-03-17:
| 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 |
235 |
8 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
59 |
3 |
9 |
3 |
0 |
0 |
0 |
| VODI |
0 |
54 |
4 |
9 |
4 |
0 |
0 |
0 |
| ODI |
0 |
43 |
3 |
20 |
14 |
3 |
0 |
0 |
| CDI |
0 |
41 |
2 |
37 |
95 |
125 |
119 |
9 |
| VCDI |
0 |
313 |
27 |
181 |
421 |
1494 |
10694 |
18039 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
233 |
8 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
61 |
3 |
9 |
2 |
0 |
0 |
0 |
| VODI |
0 |
67 |
4 |
8 |
5 |
0 |
0 |
0 |
| ODI |
0 |
40 |
3 |
18 |
13 |
0 |
0 |
0 |
| CDI |
0 |
40 |
4 |
41 |
79 |
115 |
113 |
8 |
| VCDI |
0 |
304 |
25 |
179 |
438 |
1507 |
10700 |
18040 |
|
Date: 2022-03-19:
| 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 |
210 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
66 |
0 |
8 |
0 |
0 |
0 |
0 |
| VODI |
0 |
66 |
4 |
31 |
1 |
0 |
0 |
0 |
| ODI |
0 |
62 |
3 |
46 |
67 |
11 |
0 |
0 |
| CDI |
0 |
62 |
7 |
69 |
149 |
99 |
84 |
42 |
| VCDI |
0 |
327 |
26 |
175 |
524 |
1869 |
10877 |
17194 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
221 |
1 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
61 |
0 |
7 |
0 |
0 |
0 |
0 |
| VODI |
0 |
80 |
4 |
32 |
4 |
0 |
0 |
0 |
| ODI |
0 |
66 |
4 |
46 |
53 |
12 |
1 |
0 |
| CDI |
0 |
64 |
7 |
63 |
161 |
97 |
80 |
43 |
| VCDI |
0 |
301 |
25 |
181 |
523 |
1870 |
10880 |
17193 |
|
Date: 2022-03-21:
| 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 |
213 |
10 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
48 |
5 |
20 |
5 |
0 |
0 |
0 |
| VODI |
0 |
137 |
14 |
46 |
20 |
4 |
0 |
0 |
| ODI |
0 |
57 |
6 |
58 |
135 |
31 |
0 |
0 |
| CDI |
0 |
61 |
6 |
46 |
184 |
311 |
62 |
9 |
| VCDI |
0 |
23 |
2 |
29 |
179 |
1282 |
8116 |
20936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
154 |
11 |
28 |
0 |
0 |
0 |
0 |
| OW |
0 |
38 |
3 |
14 |
6 |
0 |
0 |
0 |
| VODI |
0 |
47 |
2 |
17 |
14 |
0 |
0 |
0 |
| ODI |
0 |
54 |
4 |
24 |
30 |
13 |
0 |
0 |
| CDI |
0 |
53 |
8 |
27 |
88 |
148 |
36 |
23 |
| VCDI |
0 |
193 |
15 |
116 |
385 |
1467 |
8142 |
20922 |
|
Date: 2022-03-23:
| 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 |
157 |
14 |
44 |
0 |
0 |
0 |
0 |
| OW |
0 |
43 |
2 |
16 |
7 |
0 |
0 |
0 |
| VODI |
0 |
46 |
3 |
53 |
10 |
0 |
0 |
0 |
| ODI |
0 |
89 |
1 |
58 |
24 |
8 |
1 |
0 |
| CDI |
0 |
97 |
7 |
63 |
109 |
96 |
43 |
8 |
| VCDI |
0 |
104 |
13 |
131 |
379 |
1706 |
7681 |
21069 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
127 |
12 |
35 |
0 |
0 |
0 |
0 |
| OW |
0 |
38 |
1 |
19 |
4 |
0 |
0 |
0 |
| VODI |
0 |
39 |
5 |
13 |
11 |
0 |
0 |
0 |
| ODI |
0 |
32 |
1 |
10 |
14 |
1 |
0 |
0 |
| CDI |
0 |
39 |
1 |
52 |
26 |
69 |
22 |
3 |
| VCDI |
0 |
261 |
20 |
236 |
474 |
1740 |
7703 |
21074 |
|
Date: 2022-03-25:
| 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 |
107 |
8 |
41 |
12 |
0 |
0 |
0 |
| OW |
0 |
34 |
7 |
17 |
10 |
0 |
0 |
0 |
| VODI |
0 |
34 |
4 |
24 |
11 |
0 |
0 |
0 |
| ODI |
0 |
31 |
0 |
18 |
38 |
12 |
0 |
0 |
| CDI |
0 |
50 |
0 |
12 |
65 |
97 |
62 |
0 |
| VCDI |
0 |
92 |
10 |
86 |
226 |
1057 |
7301 |
22616 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
89 |
7 |
30 |
7 |
0 |
0 |
0 |
| OW |
0 |
37 |
3 |
17 |
10 |
0 |
0 |
0 |
| VODI |
0 |
29 |
8 |
22 |
12 |
0 |
0 |
0 |
| ODI |
0 |
24 |
1 |
14 |
7 |
0 |
0 |
0 |
| CDI |
0 |
31 |
1 |
22 |
36 |
29 |
36 |
14 |
| VCDI |
0 |
138 |
9 |
93 |
290 |
1137 |
7327 |
22602 |
|
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