Validation of sea ice concentration
Bulletin date: 2015-08-27
Model vs. observations, sea ice class contingency tables
Date: 2015-08-21:
| 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 |
22040 |
6236 |
1366 |
725 |
293 |
45 |
10 |
0 |
| OW |
0 |
3 |
51 |
200 |
223 |
70 |
36 |
0 |
| VODI |
0 |
0 |
4 |
117 |
158 |
183 |
162 |
0 |
| ODI |
0 |
0 |
0 |
25 |
59 |
129 |
537 |
0 |
| CDI |
0 |
0 |
0 |
1 |
13 |
50 |
1377 |
594 |
| VCDI |
0 |
0 |
0 |
7 |
4 |
45 |
872 |
1432 |
|
...date precedes bulletin
|
Date: 2015-08-25:
| 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 |
23328 |
5873 |
877 |
437 |
219 |
59 |
3 |
0 |
| OW |
0 |
3 |
75 |
131 |
175 |
66 |
6 |
0 |
| VODI |
0 |
0 |
25 |
108 |
159 |
106 |
41 |
0 |
| ODI |
0 |
0 |
6 |
21 |
94 |
112 |
90 |
0 |
| CDI |
0 |
0 |
2 |
9 |
38 |
97 |
359 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
15 |
61 |
2531 |
1939 |
|
...date precedes bulletin
|
Date: 2015-08-27:
| 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 |
23046 |
5764 |
1056 |
637 |
206 |
27 |
0 |
0 |
| OW |
0 |
16 |
52 |
151 |
169 |
30 |
2 |
0 |
| VODI |
0 |
13 |
31 |
106 |
159 |
92 |
43 |
0 |
| ODI |
0 |
2 |
27 |
39 |
79 |
65 |
73 |
0 |
| CDI |
0 |
0 |
9 |
37 |
61 |
97 |
352 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
29 |
111 |
2540 |
1940 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23046 |
5767 |
1059 |
641 |
228 |
31 |
1 |
0 |
| OW |
0 |
15 |
46 |
159 |
148 |
31 |
7 |
0 |
| VODI |
0 |
12 |
31 |
96 |
155 |
84 |
34 |
0 |
| ODI |
0 |
1 |
25 |
41 |
81 |
67 |
75 |
0 |
| CDI |
0 |
0 |
12 |
32 |
66 |
94 |
346 |
0 |
| VCDI |
0 |
0 |
2 |
7 |
25 |
115 |
2547 |
1940 |
|
Date: 2015-08-31:
| 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 |
23723 |
5328 |
1003 |
463 |
152 |
3 |
0 |
0 |
| OW |
0 |
12 |
43 |
122 |
169 |
21 |
0 |
0 |
| VODI |
0 |
2 |
30 |
123 |
228 |
72 |
8 |
0 |
| ODI |
0 |
0 |
5 |
47 |
131 |
87 |
51 |
0 |
| CDI |
0 |
0 |
1 |
16 |
46 |
130 |
264 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
43 |
127 |
3159 |
1451 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23723 |
5291 |
913 |
414 |
126 |
3 |
0 |
0 |
| OW |
0 |
26 |
68 |
107 |
232 |
53 |
3 |
0 |
| VODI |
0 |
9 |
51 |
125 |
187 |
56 |
24 |
0 |
| ODI |
0 |
8 |
29 |
67 |
93 |
69 |
80 |
0 |
| CDI |
0 |
8 |
21 |
54 |
90 |
142 |
549 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
41 |
117 |
2826 |
1451 |
|
Date: 2015-09-02:
| 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 |
23898 |
5226 |
938 |
350 |
151 |
26 |
0 |
0 |
| OW |
0 |
12 |
69 |
116 |
147 |
37 |
3 |
0 |
| VODI |
0 |
1 |
42 |
122 |
156 |
79 |
5 |
0 |
| ODI |
0 |
0 |
24 |
46 |
116 |
92 |
34 |
0 |
| CDI |
0 |
0 |
5 |
25 |
97 |
156 |
259 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
34 |
106 |
2707 |
1977 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23898 |
5183 |
859 |
293 |
140 |
29 |
0 |
0 |
| OW |
0 |
40 |
78 |
101 |
154 |
56 |
1 |
0 |
| VODI |
0 |
12 |
58 |
137 |
143 |
83 |
12 |
0 |
| ODI |
0 |
4 |
51 |
58 |
101 |
71 |
52 |
0 |
| CDI |
0 |
0 |
32 |
68 |
117 |
155 |
450 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
46 |
102 |
2493 |
1977 |
|
Date: 2015-09-04:
| 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 |
23877 |
5261 |
806 |
290 |
162 |
29 |
0 |
0 |
| OW |
0 |
38 |
66 |
75 |
160 |
60 |
0 |
0 |
| VODI |
0 |
10 |
70 |
93 |
127 |
111 |
8 |
0 |
| ODI |
0 |
0 |
34 |
69 |
84 |
116 |
29 |
0 |
| CDI |
0 |
0 |
13 |
43 |
96 |
182 |
324 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
42 |
80 |
2623 |
2088 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23877 |
5174 |
744 |
264 |
152 |
20 |
0 |
0 |
| OW |
0 |
59 |
77 |
78 |
121 |
66 |
0 |
0 |
| VODI |
0 |
47 |
55 |
73 |
160 |
125 |
14 |
0 |
| ODI |
0 |
27 |
50 |
48 |
78 |
114 |
45 |
0 |
| CDI |
0 |
2 |
63 |
103 |
87 |
114 |
280 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
73 |
139 |
2645 |
2088 |
|
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