Validation of sea ice concentration - Asian sector
Bulletin date: 2020-03-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-02-28:
| 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 |
83 |
4 |
17 |
1 |
0 |
0 |
0 |
| OW |
0 |
43 |
6 |
52 |
21 |
0 |
0 |
0 |
| VODI |
0 |
29 |
3 |
100 |
343 |
27 |
0 |
0 |
| ODI |
0 |
17 |
0 |
38 |
134 |
215 |
47 |
0 |
| CDI |
0 |
15 |
0 |
49 |
167 |
387 |
308 |
19 |
| VCDI |
0 |
0 |
0 |
27 |
272 |
1219 |
10832 |
17607 |
|
...date precedes bulletin
|
Date: 2020-03-01:
| 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 |
0 |
59 |
2 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
21 |
1 |
25 |
18 |
0 |
0 |
0 |
| VODI |
0 |
31 |
3 |
65 |
186 |
9 |
0 |
0 |
| ODI |
0 |
27 |
1 |
19 |
255 |
183 |
10 |
3 |
| CDI |
0 |
29 |
3 |
24 |
135 |
408 |
127 |
20 |
| VCDI |
0 |
27 |
6 |
97 |
250 |
1347 |
9680 |
19000 |
|
...date precedes bulletin
|
Date: 2020-03-03:
| 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 |
0 |
44 |
1 |
19 |
1 |
0 |
0 |
0 |
| OW |
0 |
15 |
2 |
41 |
13 |
0 |
0 |
0 |
| VODI |
0 |
13 |
2 |
37 |
41 |
55 |
0 |
0 |
| ODI |
0 |
10 |
0 |
21 |
33 |
430 |
31 |
2 |
| CDI |
0 |
13 |
3 |
20 |
59 |
519 |
359 |
39 |
| VCDI |
0 |
4 |
0 |
41 |
149 |
1086 |
11524 |
17455 |
|
...date precedes bulletin
|
Date: 2020-03-05:
| 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 |
0 |
35 |
2 |
6 |
3 |
0 |
0 |
0 |
| OW |
0 |
23 |
3 |
14 |
6 |
0 |
0 |
0 |
| VODI |
0 |
9 |
1 |
56 |
16 |
3 |
0 |
0 |
| ODI |
0 |
6 |
1 |
11 |
56 |
7 |
13 |
0 |
| CDI |
0 |
6 |
0 |
6 |
35 |
284 |
175 |
64 |
| VCDI |
0 |
1 |
2 |
30 |
104 |
1173 |
9781 |
20150 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
33 |
2 |
6 |
2 |
0 |
0 |
0 |
| OW |
0 |
14 |
2 |
10 |
8 |
0 |
0 |
0 |
| VODI |
0 |
21 |
2 |
56 |
16 |
3 |
0 |
0 |
| ODI |
0 |
5 |
1 |
15 |
55 |
8 |
23 |
0 |
| CDI |
0 |
5 |
0 |
5 |
36 |
181 |
173 |
73 |
| VCDI |
0 |
2 |
2 |
31 |
103 |
1275 |
9773 |
20141 |
|
Date: 2020-03-07:
| 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 |
0 |
35 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
13 |
0 |
18 |
0 |
0 |
0 |
0 |
| VODI |
0 |
18 |
1 |
37 |
4 |
0 |
0 |
0 |
| ODI |
0 |
10 |
1 |
23 |
33 |
8 |
0 |
0 |
| CDI |
0 |
15 |
0 |
18 |
86 |
69 |
20 |
1 |
| VCDI |
0 |
28 |
7 |
90 |
186 |
744 |
7704 |
22911 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
35 |
0 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
14 |
0 |
13 |
0 |
0 |
0 |
0 |
| VODI |
0 |
17 |
1 |
34 |
3 |
0 |
0 |
0 |
| ODI |
0 |
12 |
1 |
29 |
27 |
8 |
0 |
0 |
| CDI |
0 |
13 |
0 |
19 |
94 |
73 |
20 |
1 |
| VCDI |
0 |
28 |
7 |
90 |
185 |
740 |
7704 |
22911 |
|
Date: 2020-03-09:
| 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 |
0 |
55 |
1 |
24 |
1 |
0 |
0 |
0 |
| OW |
0 |
17 |
1 |
32 |
8 |
0 |
0 |
0 |
| VODI |
0 |
17 |
1 |
20 |
51 |
4 |
0 |
0 |
| ODI |
0 |
11 |
1 |
25 |
63 |
28 |
0 |
0 |
| CDI |
0 |
17 |
3 |
56 |
100 |
47 |
18 |
56 |
| VCDI |
0 |
9 |
0 |
5 |
159 |
419 |
5492 |
25341 |
|
|
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 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
17 |
0 |
9 |
5 |
0 |
0 |
0 |
| VODI |
0 |
21 |
1 |
21 |
11 |
0 |
0 |
0 |
| ODI |
0 |
18 |
1 |
29 |
22 |
0 |
0 |
0 |
| CDI |
0 |
15 |
1 |
11 |
66 |
21 |
38 |
14 |
| VCDI |
0 |
19 |
3 |
77 |
278 |
477 |
5472 |
25383 |
|
Date: 2020-03-11:
| 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 |
76 |
2 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
18 |
6 |
39 |
1 |
0 |
0 |
0 |
| VODI |
0 |
26 |
2 |
36 |
67 |
1 |
0 |
0 |
| ODI |
0 |
22 |
1 |
10 |
45 |
10 |
0 |
0 |
| CDI |
0 |
27 |
2 |
8 |
48 |
97 |
96 |
69 |
| VCDI |
0 |
58 |
5 |
74 |
221 |
1203 |
8556 |
21255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
85 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
50 |
3 |
6 |
8 |
0 |
0 |
0 |
| VODI |
0 |
39 |
6 |
24 |
26 |
0 |
0 |
0 |
| ODI |
0 |
26 |
0 |
36 |
24 |
6 |
9 |
0 |
| CDI |
0 |
19 |
4 |
34 |
57 |
59 |
85 |
82 |
| VCDI |
0 |
8 |
4 |
68 |
267 |
1246 |
8558 |
21242 |
|
Date: 2020-03-13:
| 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 |
65 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
27 |
5 |
21 |
1 |
0 |
0 |
0 |
| VODI |
0 |
26 |
4 |
29 |
40 |
0 |
0 |
0 |
| ODI |
0 |
17 |
1 |
17 |
64 |
24 |
0 |
0 |
| CDI |
0 |
19 |
2 |
12 |
47 |
141 |
64 |
10 |
| VCDI |
0 |
107 |
6 |
117 |
224 |
1366 |
10471 |
19154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
76 |
4 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
56 |
4 |
11 |
1 |
0 |
0 |
0 |
| VODI |
0 |
55 |
4 |
25 |
40 |
2 |
0 |
0 |
| ODI |
0 |
44 |
3 |
20 |
36 |
21 |
0 |
0 |
| CDI |
0 |
22 |
3 |
35 |
54 |
128 |
38 |
21 |
| VCDI |
0 |
8 |
1 |
100 |
245 |
1380 |
10497 |
19143 |
|
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