Validation of sea ice concentration
Bulletin date: 2013-09-12
Model vs. observations, sea ice class contingency tables
Date: 2013-09-06:
| 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 |
26381 |
4986 |
525 |
104 |
16 |
8 |
1 |
0 |
| OW |
0 |
73 |
96 |
100 |
42 |
20 |
26 |
0 |
| VODI |
0 |
3 |
33 |
188 |
270 |
127 |
74 |
0 |
| ODI |
0 |
0 |
0 |
68 |
239 |
174 |
199 |
0 |
| CDI |
0 |
0 |
0 |
9 |
50 |
215 |
662 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
67 |
1764 |
888 |
|
...date precedes bulletin
|
Date: 2013-09-10:
| 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 |
26185 |
5174 |
349 |
106 |
50 |
4 |
0 |
0 |
| OW |
1 |
66 |
85 |
87 |
44 |
14 |
4 |
0 |
| VODI |
0 |
7 |
18 |
134 |
387 |
71 |
23 |
0 |
| ODI |
0 |
0 |
1 |
25 |
219 |
398 |
83 |
0 |
| CDI |
0 |
0 |
0 |
6 |
26 |
303 |
652 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
10 |
49 |
1583 |
1252 |
|
...date precedes bulletin
|
Date: 2013-09-12:
| 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 |
24941 |
6043 |
564 |
137 |
36 |
5 |
4 |
0 |
| OW |
29 |
266 |
70 |
73 |
31 |
7 |
14 |
0 |
| VODI |
0 |
7 |
95 |
214 |
183 |
41 |
41 |
0 |
| ODI |
0 |
0 |
2 |
127 |
312 |
170 |
101 |
0 |
| CDI |
0 |
0 |
0 |
26 |
52 |
204 |
560 |
0 |
| VCDI |
0 |
0 |
2 |
9 |
19 |
43 |
1790 |
1201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24970 |
6283 |
640 |
272 |
136 |
20 |
14 |
0 |
| OW |
0 |
21 |
40 |
59 |
57 |
21 |
10 |
0 |
| VODI |
0 |
12 |
46 |
123 |
119 |
37 |
24 |
0 |
| ODI |
0 |
0 |
5 |
82 |
180 |
143 |
55 |
0 |
| CDI |
0 |
0 |
0 |
35 |
112 |
202 |
668 |
7 |
| VCDI |
0 |
0 |
2 |
15 |
29 |
47 |
1739 |
1194 |
|
Date: 2013-09-16:
| 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 |
27207 |
4552 |
307 |
86 |
19 |
1 |
2 |
0 |
| OW |
0 |
145 |
107 |
125 |
40 |
7 |
7 |
0 |
| VODI |
0 |
15 |
36 |
97 |
224 |
92 |
25 |
0 |
| ODI |
0 |
0 |
7 |
81 |
104 |
230 |
218 |
0 |
| CDI |
0 |
0 |
0 |
50 |
43 |
212 |
269 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
54 |
2069 |
975 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27207 |
4669 |
352 |
185 |
75 |
27 |
35 |
0 |
| OW |
0 |
27 |
37 |
26 |
42 |
16 |
16 |
0 |
| VODI |
0 |
12 |
44 |
76 |
94 |
45 |
31 |
0 |
| ODI |
0 |
2 |
11 |
96 |
93 |
99 |
42 |
0 |
| CDI |
0 |
2 |
10 |
50 |
107 |
344 |
345 |
0 |
| VCDI |
0 |
0 |
3 |
13 |
25 |
65 |
2121 |
975 |
|
Date: 2013-09-18:
| 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 |
26857 |
4643 |
397 |
123 |
30 |
3 |
0 |
0 |
| OW |
0 |
230 |
96 |
109 |
14 |
8 |
11 |
0 |
| VODI |
0 |
20 |
63 |
145 |
185 |
62 |
21 |
0 |
| ODI |
0 |
0 |
2 |
80 |
209 |
153 |
156 |
0 |
| CDI |
0 |
0 |
0 |
56 |
84 |
211 |
326 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
11 |
48 |
2010 |
1052 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26857 |
4821 |
466 |
207 |
58 |
26 |
20 |
0 |
| OW |
0 |
36 |
20 |
37 |
26 |
5 |
6 |
0 |
| VODI |
0 |
24 |
33 |
81 |
89 |
38 |
11 |
0 |
| ODI |
0 |
7 |
18 |
84 |
145 |
42 |
32 |
0 |
| CDI |
0 |
5 |
21 |
97 |
188 |
305 |
382 |
8 |
| VCDI |
0 |
0 |
0 |
11 |
27 |
69 |
2073 |
1044 |
|
Date: 2013-09-20:
| 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 |
26670 |
4934 |
174 |
77 |
50 |
8 |
1 |
0 |
| OW |
5 |
376 |
81 |
90 |
49 |
12 |
18 |
0 |
| VODI |
0 |
22 |
52 |
98 |
198 |
79 |
35 |
0 |
| ODI |
0 |
0 |
4 |
51 |
108 |
262 |
176 |
0 |
| CDI |
0 |
0 |
0 |
7 |
61 |
229 |
388 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
33 |
61 |
1730 |
1277 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26675 |
5137 |
194 |
130 |
108 |
21 |
11 |
0 |
| OW |
0 |
74 |
5 |
10 |
14 |
11 |
5 |
0 |
| VODI |
0 |
60 |
34 |
21 |
45 |
16 |
17 |
0 |
| ODI |
0 |
29 |
36 |
71 |
92 |
91 |
17 |
0 |
| CDI |
0 |
32 |
34 |
80 |
199 |
350 |
257 |
0 |
| VCDI |
0 |
0 |
8 |
14 |
41 |
162 |
2041 |
1277 |
|
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