Validation of sea ice concentration - Asian sector
Bulletin date: 2017-12-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2017-12-15:
| 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 |
79 |
553 |
16 |
70 |
51 |
0 |
0 |
0 |
| OW |
0 |
150 |
5 |
81 |
72 |
0 |
0 |
0 |
| VODI |
0 |
117 |
6 |
64 |
110 |
11 |
0 |
0 |
| ODI |
0 |
46 |
7 |
51 |
51 |
53 |
0 |
0 |
| CDI |
0 |
41 |
2 |
31 |
53 |
133 |
0 |
7 |
| VCDI |
0 |
88 |
9 |
80 |
234 |
3395 |
6748 |
19668 |
|
...date precedes bulletin
|
Date: 2017-12-17:
| 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 |
81 |
522 |
8 |
64 |
34 |
0 |
0 |
0 |
| OW |
0 |
177 |
22 |
133 |
81 |
0 |
0 |
0 |
| VODI |
0 |
95 |
5 |
76 |
99 |
10 |
0 |
0 |
| ODI |
0 |
33 |
6 |
44 |
43 |
65 |
0 |
0 |
| CDI |
0 |
22 |
2 |
37 |
57 |
152 |
6 |
28 |
| VCDI |
0 |
30 |
7 |
48 |
166 |
1723 |
7925 |
20281 |
|
...date precedes bulletin
|
Date: 2017-12-19:
| 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 |
66 |
517 |
8 |
13 |
1 |
0 |
0 |
0 |
| OW |
0 |
65 |
8 |
44 |
30 |
0 |
0 |
0 |
| VODI |
0 |
158 |
17 |
191 |
208 |
10 |
0 |
0 |
| ODI |
0 |
13 |
3 |
60 |
93 |
69 |
0 |
0 |
| CDI |
0 |
7 |
2 |
19 |
80 |
133 |
26 |
29 |
| VCDI |
0 |
3 |
0 |
22 |
79 |
604 |
6912 |
22592 |
|
...date precedes bulletin
|
Date: 2017-12-21:
| 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 |
159 |
484 |
3 |
8 |
0 |
0 |
0 |
0 |
| OW |
0 |
113 |
6 |
22 |
9 |
0 |
0 |
0 |
| VODI |
0 |
160 |
12 |
127 |
203 |
0 |
0 |
0 |
| ODI |
0 |
67 |
7 |
92 |
110 |
68 |
0 |
0 |
| CDI |
0 |
36 |
4 |
44 |
70 |
168 |
10 |
26 |
| VCDI |
0 |
34 |
5 |
96 |
267 |
1235 |
8020 |
20417 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
159 |
512 |
5 |
8 |
11 |
0 |
0 |
0 |
| OW |
0 |
116 |
6 |
41 |
71 |
0 |
0 |
0 |
| VODI |
0 |
141 |
10 |
107 |
153 |
13 |
0 |
0 |
| ODI |
0 |
55 |
6 |
93 |
77 |
58 |
0 |
0 |
| CDI |
0 |
32 |
4 |
42 |
72 |
155 |
8 |
28 |
| VCDI |
0 |
38 |
6 |
98 |
275 |
1245 |
8022 |
20415 |
|
Date: 2017-12-23:
| 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 |
135 |
508 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
138 |
7 |
23 |
0 |
0 |
0 |
0 |
| VODI |
0 |
171 |
15 |
158 |
147 |
0 |
0 |
0 |
| ODI |
0 |
121 |
6 |
89 |
140 |
43 |
0 |
0 |
| CDI |
0 |
79 |
3 |
49 |
75 |
173 |
6 |
0 |
| VCDI |
0 |
98 |
13 |
114 |
261 |
2330 |
7195 |
19983 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
135 |
517 |
2 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
157 |
8 |
51 |
48 |
0 |
0 |
0 |
| VODI |
0 |
164 |
13 |
132 |
151 |
6 |
0 |
0 |
| ODI |
0 |
87 |
6 |
76 |
65 |
43 |
0 |
0 |
| CDI |
0 |
65 |
2 |
56 |
85 |
140 |
8 |
0 |
| VCDI |
0 |
125 |
14 |
117 |
274 |
2357 |
7193 |
19983 |
|
Date: 2017-12-25:
| 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 |
198 |
508 |
6 |
12 |
1 |
0 |
0 |
0 |
| OW |
0 |
112 |
3 |
29 |
4 |
0 |
0 |
0 |
| VODI |
0 |
137 |
8 |
183 |
53 |
2 |
0 |
0 |
| ODI |
0 |
59 |
3 |
79 |
366 |
99 |
2 |
0 |
| CDI |
0 |
32 |
3 |
79 |
138 |
245 |
123 |
62 |
| VCDI |
0 |
26 |
3 |
8 |
94 |
1377 |
12792 |
15236 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
198 |
390 |
1 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
101 |
9 |
23 |
5 |
0 |
0 |
0 |
| VODI |
0 |
72 |
5 |
144 |
111 |
0 |
0 |
0 |
| ODI |
0 |
78 |
3 |
80 |
140 |
66 |
1 |
0 |
| CDI |
0 |
57 |
0 |
29 |
139 |
178 |
97 |
13 |
| VCDI |
0 |
176 |
8 |
110 |
261 |
1479 |
12819 |
15285 |
|
Date: 2017-12-27:
| 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 |
69 |
540 |
4 |
15 |
0 |
0 |
0 |
0 |
| OW |
0 |
51 |
5 |
42 |
3 |
0 |
0 |
0 |
| VODI |
0 |
49 |
4 |
81 |
46 |
0 |
0 |
0 |
| ODI |
0 |
34 |
0 |
14 |
207 |
77 |
0 |
0 |
| CDI |
0 |
37 |
6 |
25 |
112 |
397 |
130 |
62 |
| VCDI |
0 |
20 |
6 |
52 |
161 |
1249 |
12650 |
15934 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69 |
441 |
1 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
84 |
3 |
28 |
2 |
0 |
0 |
0 |
| VODI |
0 |
53 |
8 |
72 |
34 |
0 |
0 |
0 |
| ODI |
0 |
27 |
0 |
35 |
156 |
20 |
0 |
0 |
| CDI |
0 |
37 |
1 |
4 |
105 |
231 |
60 |
26 |
| VCDI |
0 |
89 |
12 |
87 |
232 |
1472 |
12720 |
15970 |
|
Date: 2017-12-29:
| 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 |
54 |
577 |
2 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
87 |
13 |
24 |
0 |
0 |
0 |
0 |
| VODI |
0 |
110 |
7 |
68 |
6 |
0 |
0 |
0 |
| ODI |
0 |
51 |
7 |
83 |
55 |
17 |
0 |
0 |
| CDI |
0 |
43 |
4 |
41 |
231 |
269 |
90 |
16 |
| VCDI |
0 |
41 |
9 |
88 |
280 |
1544 |
9755 |
18507 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54 |
431 |
3 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
88 |
9 |
24 |
0 |
0 |
0 |
0 |
| VODI |
0 |
96 |
3 |
31 |
13 |
0 |
0 |
0 |
| ODI |
0 |
77 |
2 |
36 |
19 |
0 |
2 |
0 |
| CDI |
0 |
81 |
9 |
63 |
50 |
27 |
92 |
100 |
| VCDI |
0 |
136 |
16 |
152 |
490 |
1803 |
9751 |
18423 |
|
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