Validation of sea ice concentration - Asian sector
Bulletin date: 2020-04-16
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-10:
| 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 |
0 |
55 |
1 |
3 |
0 |
5 |
18 |
0 |
| OW |
0 |
14 |
4 |
18 |
0 |
8 |
23 |
0 |
| VODI |
0 |
0 |
0 |
35 |
25 |
15 |
40 |
0 |
| ODI |
0 |
0 |
0 |
0 |
25 |
37 |
32 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
212 |
184 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1262 |
12266 |
17737 |
|
...date precedes bulletin
|
Date: 2020-04-12:
| 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 |
0 |
51 |
2 |
2 |
0 |
8 |
0 |
0 |
| OW |
0 |
22 |
6 |
22 |
6 |
23 |
3 |
0 |
| VODI |
0 |
0 |
0 |
25 |
25 |
37 |
18 |
0 |
| ODI |
0 |
0 |
0 |
0 |
47 |
120 |
44 |
0 |
| CDI |
0 |
0 |
0 |
0 |
34 |
313 |
119 |
16 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
1121 |
11121 |
18862 |
|
...date precedes bulletin
|
Date: 2020-04-14:
| 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 |
61 |
7 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
2 |
0 |
27 |
17 |
0 |
0 |
0 |
| VODI |
0 |
1 |
0 |
2 |
49 |
2 |
6 |
0 |
| ODI |
0 |
0 |
0 |
0 |
42 |
39 |
20 |
0 |
| CDI |
0 |
0 |
0 |
0 |
30 |
178 |
238 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
456 |
7674 |
23202 |
|
...date precedes bulletin
|
Date: 2020-04-16:
| 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 |
49 |
2 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
5 |
43 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
22 |
64 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
5 |
66 |
60 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
88 |
277 |
108 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
546 |
10018 |
20667 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
43 |
2 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
7 |
5 |
31 |
1 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
34 |
58 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
8 |
66 |
48 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
91 |
252 |
112 |
22 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
586 |
10014 |
20666 |
|
Date: 2020-04-18:
| 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 |
27 |
3 |
14 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
3 |
51 |
17 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
27 |
86 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
32 |
152 |
60 |
3 |
0 |
| CDI |
0 |
0 |
0 |
12 |
241 |
353 |
103 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
119 |
1181 |
10713 |
18871 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
27 |
3 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
3 |
3 |
43 |
11 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
33 |
89 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
133 |
42 |
2 |
0 |
| CDI |
0 |
0 |
0 |
9 |
263 |
285 |
109 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
119 |
1262 |
10708 |
18868 |
|
Date: 2020-04-20:
| 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 |
0 |
59 |
7 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
1 |
1 |
73 |
11 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
95 |
154 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
38 |
275 |
109 |
30 |
0 |
| CDI |
0 |
0 |
0 |
42 |
326 |
553 |
150 |
13 |
| VCDI |
0 |
0 |
0 |
5 |
94 |
1401 |
11054 |
17569 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
60 |
8 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
0 |
0 |
56 |
11 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
64 |
102 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
56 |
202 |
101 |
29 |
2 |
| CDI |
0 |
0 |
0 |
48 |
354 |
395 |
227 |
22 |
| VCDI |
0 |
0 |
0 |
25 |
191 |
1561 |
10978 |
17558 |
|
Date: 2020-04-22:
| 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 |
129 |
4 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
32 |
6 |
115 |
58 |
0 |
0 |
0 |
| VODI |
0 |
11 |
2 |
114 |
197 |
24 |
0 |
1 |
| ODI |
0 |
3 |
3 |
54 |
226 |
148 |
28 |
7 |
| CDI |
0 |
6 |
1 |
51 |
284 |
606 |
268 |
53 |
| VCDI |
0 |
0 |
0 |
22 |
123 |
1801 |
9855 |
17839 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
109 |
3 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
21 |
3 |
28 |
4 |
0 |
0 |
0 |
| VODI |
0 |
30 |
3 |
88 |
41 |
7 |
6 |
3 |
| ODI |
0 |
5 |
2 |
92 |
126 |
88 |
121 |
16 |
| CDI |
0 |
8 |
2 |
89 |
324 |
376 |
429 |
106 |
| VCDI |
0 |
8 |
3 |
67 |
393 |
2108 |
9595 |
17775 |
|
Date: 2020-04-24:
| 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 |
112 |
5 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
95 |
17 |
81 |
46 |
0 |
0 |
0 |
| VODI |
0 |
30 |
5 |
131 |
256 |
34 |
0 |
0 |
| ODI |
0 |
40 |
1 |
118 |
309 |
132 |
19 |
8 |
| CDI |
0 |
18 |
9 |
69 |
301 |
658 |
204 |
15 |
| VCDI |
0 |
6 |
1 |
36 |
268 |
2728 |
9735 |
16593 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
59 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
40 |
2 |
2 |
0 |
0 |
0 |
0 |
| VODI |
0 |
40 |
8 |
60 |
11 |
8 |
8 |
0 |
| ODI |
0 |
17 |
1 |
54 |
47 |
89 |
201 |
32 |
| CDI |
0 |
45 |
11 |
103 |
153 |
269 |
511 |
70 |
| VCDI |
0 |
100 |
16 |
218 |
969 |
3186 |
9238 |
16514 |
|
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