Validation of sea ice concentration
Bulletin date: 2014-08-28
Model vs. observations, sea ice class contingency tables
Date: 2014-08-22:
| 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 |
23198 |
4204 |
513 |
531 |
362 |
78 |
16 |
0 |
| OW |
0 |
40 |
34 |
108 |
172 |
38 |
7 |
0 |
| VODI |
0 |
25 |
27 |
59 |
96 |
72 |
32 |
0 |
| ODI |
0 |
8 |
36 |
40 |
89 |
106 |
99 |
0 |
| CDI |
0 |
0 |
13 |
62 |
74 |
207 |
424 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
19 |
112 |
2997 |
3146 |
|
...date precedes bulletin
|
Date: 2014-08-26:
| 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 |
22794 |
4509 |
918 |
624 |
146 |
37 |
8 |
0 |
| OW |
0 |
33 |
46 |
88 |
73 |
40 |
7 |
0 |
| VODI |
0 |
26 |
40 |
47 |
94 |
75 |
39 |
0 |
| ODI |
0 |
16 |
19 |
53 |
57 |
65 |
113 |
1 |
| CDI |
0 |
5 |
53 |
34 |
74 |
82 |
542 |
25 |
| VCDI |
0 |
0 |
6 |
21 |
28 |
51 |
2787 |
3391 |
|
...date precedes bulletin
|
Date: 2014-08-28:
| 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 |
21582 |
5437 |
991 |
971 |
82 |
19 |
3 |
0 |
| OW |
0 |
39 |
45 |
155 |
48 |
22 |
4 |
0 |
| VODI |
0 |
26 |
38 |
111 |
70 |
56 |
27 |
0 |
| ODI |
0 |
9 |
29 |
70 |
70 |
65 |
71 |
0 |
| CDI |
0 |
14 |
32 |
106 |
77 |
184 |
478 |
22 |
| VCDI |
0 |
0 |
4 |
16 |
23 |
260 |
3300 |
2511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21582 |
5448 |
1003 |
1010 |
88 |
28 |
4 |
0 |
| OW |
0 |
28 |
36 |
134 |
48 |
22 |
5 |
0 |
| VODI |
0 |
22 |
38 |
98 |
64 |
44 |
40 |
0 |
| ODI |
0 |
12 |
25 |
73 |
68 |
68 |
62 |
0 |
| CDI |
0 |
15 |
37 |
108 |
83 |
204 |
469 |
19 |
| VCDI |
0 |
0 |
0 |
6 |
19 |
240 |
3303 |
2514 |
|
Date: 2014-09-01:
| 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 |
21758 |
5778 |
969 |
292 |
38 |
7 |
6 |
0 |
| OW |
0 |
15 |
114 |
157 |
49 |
13 |
1 |
0 |
| VODI |
0 |
0 |
54 |
203 |
126 |
51 |
10 |
0 |
| ODI |
0 |
0 |
9 |
99 |
105 |
115 |
78 |
0 |
| CDI |
0 |
0 |
1 |
37 |
161 |
201 |
485 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
48 |
490 |
3285 |
2288 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21758 |
5760 |
992 |
390 |
76 |
23 |
6 |
0 |
| OW |
0 |
23 |
67 |
118 |
47 |
26 |
6 |
0 |
| VODI |
0 |
9 |
46 |
115 |
93 |
63 |
30 |
0 |
| ODI |
0 |
1 |
39 |
90 |
79 |
72 |
111 |
0 |
| CDI |
0 |
0 |
3 |
73 |
163 |
207 |
488 |
7 |
| VCDI |
0 |
0 |
0 |
26 |
69 |
486 |
3224 |
2281 |
|
Date: 2014-09-03:
| 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 |
22186 |
5079 |
1141 |
391 |
92 |
6 |
5 |
0 |
| OW |
0 |
8 |
74 |
183 |
55 |
12 |
9 |
0 |
| VODI |
0 |
1 |
26 |
183 |
128 |
34 |
16 |
0 |
| ODI |
0 |
5 |
13 |
95 |
128 |
104 |
60 |
0 |
| CDI |
0 |
5 |
8 |
43 |
190 |
277 |
456 |
17 |
| VCDI |
0 |
0 |
1 |
21 |
34 |
689 |
3083 |
2209 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22186 |
5063 |
1103 |
453 |
100 |
16 |
7 |
0 |
| OW |
0 |
18 |
64 |
116 |
62 |
19 |
9 |
0 |
| VODI |
0 |
7 |
64 |
133 |
95 |
42 |
30 |
0 |
| ODI |
0 |
6 |
23 |
115 |
105 |
74 |
71 |
7 |
| CDI |
0 |
4 |
9 |
79 |
190 |
223 |
566 |
49 |
| VCDI |
0 |
0 |
0 |
20 |
75 |
748 |
2946 |
2170 |
|
Date: 2014-09-05:
| 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 |
22839 |
4794 |
883 |
224 |
64 |
14 |
0 |
0 |
| OW |
0 |
16 |
145 |
129 |
62 |
20 |
1 |
0 |
| VODI |
0 |
8 |
75 |
131 |
126 |
37 |
20 |
0 |
| ODI |
0 |
11 |
22 |
93 |
93 |
108 |
93 |
0 |
| CDI |
0 |
18 |
6 |
30 |
167 |
244 |
668 |
1 |
| VCDI |
0 |
6 |
7 |
11 |
36 |
148 |
2996 |
2721 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22839 |
4756 |
907 |
293 |
113 |
29 |
3 |
0 |
| OW |
0 |
42 |
73 |
71 |
54 |
30 |
10 |
0 |
| VODI |
0 |
22 |
81 |
97 |
95 |
49 |
46 |
0 |
| ODI |
0 |
11 |
41 |
61 |
87 |
75 |
112 |
0 |
| CDI |
0 |
22 |
32 |
85 |
151 |
244 |
731 |
12 |
| VCDI |
0 |
0 |
4 |
11 |
48 |
144 |
2876 |
2710 |
|
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