Validation of sea ice concentration - Asian sector
Bulletin date: 2020-02-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-02-21:
| 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 |
40 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
28 |
0 |
19 |
7 |
0 |
0 |
0 |
| VODI |
0 |
73 |
0 |
12 |
112 |
5 |
0 |
0 |
| ODI |
0 |
53 |
4 |
4 |
149 |
73 |
1 |
0 |
| CDI |
0 |
70 |
12 |
78 |
50 |
239 |
53 |
72 |
| VCDI |
0 |
163 |
24 |
131 |
236 |
1179 |
8170 |
21024 |
|
...date precedes bulletin
|
Date: 2020-02-23:
| 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 |
79 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
64 |
3 |
19 |
3 |
0 |
0 |
0 |
| VODI |
0 |
148 |
7 |
101 |
80 |
14 |
0 |
0 |
| ODI |
0 |
67 |
11 |
106 |
63 |
59 |
3 |
2 |
| CDI |
0 |
118 |
4 |
46 |
147 |
121 |
17 |
79 |
| VCDI |
0 |
255 |
21 |
150 |
311 |
1377 |
7532 |
21074 |
|
...date precedes bulletin
|
Date: 2020-02-25:
| 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 |
163 |
3 |
48 |
0 |
0 |
0 |
0 |
| OW |
0 |
245 |
16 |
76 |
13 |
0 |
0 |
0 |
| VODI |
0 |
137 |
16 |
114 |
117 |
13 |
4 |
0 |
| ODI |
0 |
76 |
11 |
153 |
165 |
102 |
19 |
0 |
| CDI |
0 |
89 |
18 |
171 |
275 |
297 |
95 |
10 |
| VCDI |
0 |
1 |
2 |
37 |
236 |
1488 |
9805 |
18067 |
|
...date precedes bulletin
|
Date: 2020-02-27:
| 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 |
0 |
85 |
0 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
57 |
15 |
137 |
5 |
0 |
0 |
0 |
| VODI |
0 |
20 |
3 |
281 |
162 |
7 |
0 |
1 |
| ODI |
0 |
13 |
0 |
87 |
222 |
109 |
23 |
6 |
| CDI |
0 |
10 |
1 |
77 |
289 |
340 |
212 |
30 |
| VCDI |
0 |
1 |
0 |
51 |
279 |
1513 |
10551 |
17465 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
114 |
6 |
67 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
9 |
197 |
44 |
0 |
0 |
0 |
| VODI |
0 |
18 |
3 |
190 |
155 |
20 |
0 |
1 |
| ODI |
0 |
10 |
0 |
70 |
178 |
127 |
27 |
6 |
| CDI |
0 |
14 |
1 |
81 |
282 |
335 |
225 |
33 |
| VCDI |
0 |
3 |
0 |
58 |
298 |
1487 |
10534 |
17462 |
|
Date: 2020-02-29:
| 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 |
0 |
73 |
4 |
16 |
1 |
0 |
0 |
0 |
| OW |
0 |
37 |
5 |
38 |
8 |
0 |
0 |
0 |
| VODI |
0 |
29 |
2 |
201 |
225 |
3 |
0 |
0 |
| ODI |
0 |
36 |
2 |
12 |
240 |
147 |
18 |
5 |
| CDI |
0 |
39 |
5 |
51 |
158 |
378 |
194 |
11 |
| VCDI |
0 |
16 |
5 |
59 |
287 |
1201 |
9924 |
18652 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
72 |
3 |
18 |
1 |
0 |
0 |
0 |
| OW |
0 |
39 |
5 |
77 |
8 |
0 |
0 |
0 |
| VODI |
0 |
27 |
3 |
162 |
261 |
10 |
0 |
0 |
| ODI |
0 |
25 |
1 |
10 |
215 |
143 |
20 |
5 |
| CDI |
0 |
40 |
5 |
35 |
152 |
378 |
220 |
12 |
| VCDI |
0 |
27 |
6 |
75 |
282 |
1198 |
9896 |
18651 |
|
Date: 2020-03-02:
| 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 |
62 |
1 |
12 |
1 |
0 |
0 |
0 |
| OW |
0 |
26 |
2 |
41 |
13 |
0 |
0 |
0 |
| VODI |
0 |
33 |
4 |
45 |
138 |
27 |
0 |
0 |
| ODI |
0 |
28 |
2 |
18 |
222 |
378 |
20 |
0 |
| CDI |
0 |
39 |
4 |
45 |
137 |
716 |
196 |
19 |
| VCDI |
0 |
6 |
3 |
57 |
184 |
1406 |
11332 |
16865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
46 |
1 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
25 |
1 |
28 |
9 |
0 |
0 |
0 |
| VODI |
0 |
23 |
1 |
40 |
139 |
4 |
0 |
0 |
| ODI |
0 |
16 |
3 |
22 |
197 |
220 |
9 |
0 |
| CDI |
0 |
22 |
1 |
5 |
85 |
456 |
114 |
14 |
| VCDI |
0 |
62 |
9 |
116 |
265 |
1847 |
11425 |
16870 |
|
Date: 2020-03-04:
| 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 |
0 |
42 |
1 |
10 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
7 |
22 |
5 |
0 |
0 |
0 |
| VODI |
0 |
8 |
1 |
55 |
25 |
0 |
0 |
0 |
| ODI |
0 |
9 |
1 |
11 |
60 |
124 |
54 |
0 |
| CDI |
0 |
12 |
1 |
19 |
24 |
503 |
266 |
54 |
| VCDI |
0 |
11 |
3 |
44 |
149 |
806 |
10270 |
19458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
36 |
1 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
1 |
10 |
2 |
0 |
0 |
0 |
| VODI |
0 |
20 |
6 |
42 |
8 |
7 |
0 |
0 |
| ODI |
0 |
7 |
2 |
29 |
48 |
134 |
47 |
2 |
| CDI |
0 |
6 |
0 |
11 |
51 |
390 |
261 |
64 |
| VCDI |
0 |
22 |
4 |
61 |
154 |
902 |
10282 |
19446 |
|
Date: 2020-03-06:
| 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 |
0 |
37 |
1 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
2 |
20 |
2 |
0 |
0 |
0 |
| VODI |
0 |
6 |
1 |
37 |
17 |
0 |
0 |
0 |
| ODI |
0 |
7 |
2 |
7 |
55 |
7 |
0 |
0 |
| CDI |
0 |
6 |
1 |
4 |
64 |
131 |
77 |
22 |
| VCDI |
0 |
0 |
3 |
24 |
110 |
907 |
8468 |
22049 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
36 |
1 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
10 |
2 |
14 |
0 |
0 |
0 |
0 |
| VODI |
0 |
6 |
1 |
39 |
11 |
0 |
0 |
0 |
| ODI |
0 |
8 |
2 |
12 |
50 |
0 |
14 |
0 |
| CDI |
0 |
6 |
1 |
3 |
78 |
140 |
95 |
45 |
| VCDI |
0 |
0 |
3 |
25 |
109 |
905 |
8436 |
22026 |
|
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