Validation of sea ice concentration
Bulletin date: 2012-09-27
Model vs. observations, sea ice class contingency tables
Date: 2012-09-21:
| 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 |
25578 |
5207 |
355 |
271 |
75 |
3 |
0 |
0 |
| OW |
0 |
139 |
103 |
139 |
121 |
38 |
0 |
0 |
| VODI |
0 |
24 |
63 |
118 |
280 |
158 |
7 |
0 |
| ODI |
0 |
0 |
12 |
24 |
125 |
222 |
49 |
0 |
| CDI |
0 |
0 |
0 |
28 |
59 |
267 |
368 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
21 |
1903 |
1661 |
|
...date precedes bulletin
|
Date: 2012-09-25:
| 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 |
25324 |
5118 |
359 |
283 |
174 |
2 |
0 |
0 |
| OW |
0 |
14 |
25 |
101 |
113 |
20 |
0 |
0 |
| VODI |
0 |
3 |
23 |
109 |
175 |
73 |
0 |
0 |
| ODI |
0 |
0 |
0 |
52 |
194 |
186 |
2 |
0 |
| CDI |
0 |
0 |
0 |
20 |
213 |
336 |
63 |
1 |
| VCDI |
0 |
0 |
0 |
13 |
41 |
245 |
2489 |
1648 |
|
...date precedes bulletin
|
Date: 2012-09-27:
| 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 |
24585 |
5749 |
258 |
297 |
209 |
11 |
0 |
0 |
| OW |
0 |
23 |
33 |
64 |
97 |
56 |
0 |
0 |
| VODI |
0 |
4 |
24 |
106 |
129 |
108 |
0 |
0 |
| ODI |
0 |
0 |
2 |
66 |
164 |
149 |
1 |
0 |
| CDI |
0 |
0 |
0 |
13 |
182 |
356 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
60 |
417 |
2480 |
1669 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24585 |
5774 |
293 |
445 |
368 |
76 |
0 |
0 |
| OW |
0 |
2 |
13 |
32 |
51 |
22 |
0 |
0 |
| VODI |
0 |
0 |
9 |
38 |
89 |
57 |
0 |
0 |
| ODI |
0 |
0 |
2 |
20 |
86 |
134 |
3 |
0 |
| CDI |
0 |
0 |
0 |
15 |
187 |
448 |
153 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
60 |
360 |
2426 |
1669 |
|
Date: 2012-10-01:
| 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 |
24174 |
5362 |
546 |
333 |
93 |
17 |
2 |
0 |
| OW |
0 |
90 |
82 |
81 |
97 |
32 |
0 |
0 |
| VODI |
0 |
0 |
32 |
118 |
231 |
183 |
3 |
0 |
| ODI |
0 |
0 |
1 |
11 |
165 |
284 |
25 |
0 |
| CDI |
0 |
0 |
0 |
5 |
45 |
419 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
117 |
545 |
2550 |
1707 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24174 |
5452 |
642 |
445 |
290 |
226 |
3 |
0 |
| OW |
0 |
0 |
10 |
27 |
53 |
36 |
1 |
0 |
| VODI |
0 |
0 |
8 |
44 |
83 |
62 |
2 |
0 |
| ODI |
0 |
0 |
0 |
21 |
79 |
89 |
6 |
0 |
| CDI |
0 |
0 |
1 |
10 |
99 |
223 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
144 |
844 |
2576 |
1707 |
|
Date: 2012-10-03:
| 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 |
24636 |
4909 |
494 |
232 |
157 |
23 |
0 |
0 |
| OW |
0 |
158 |
68 |
87 |
108 |
79 |
0 |
0 |
| VODI |
0 |
0 |
29 |
91 |
163 |
150 |
2 |
0 |
| ODI |
0 |
0 |
0 |
14 |
127 |
278 |
11 |
0 |
| CDI |
0 |
0 |
0 |
2 |
47 |
352 |
67 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
46 |
600 |
2648 |
1837 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24636 |
5065 |
572 |
380 |
348 |
250 |
5 |
0 |
| OW |
0 |
2 |
7 |
14 |
48 |
45 |
3 |
0 |
| VODI |
0 |
0 |
7 |
14 |
46 |
69 |
7 |
0 |
| ODI |
0 |
0 |
3 |
11 |
68 |
77 |
5 |
0 |
| CDI |
0 |
0 |
2 |
6 |
63 |
220 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
75 |
821 |
2659 |
1837 |
|
Date: 2012-10-05:
| 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 |
23939 |
5487 |
417 |
200 |
183 |
28 |
0 |
0 |
| OW |
0 |
226 |
56 |
62 |
85 |
88 |
0 |
0 |
| VODI |
0 |
117 |
44 |
61 |
102 |
135 |
2 |
0 |
| ODI |
0 |
2 |
17 |
59 |
116 |
197 |
3 |
0 |
| CDI |
0 |
0 |
1 |
7 |
88 |
344 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
48 |
777 |
2702 |
1791 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23939 |
5816 |
493 |
290 |
350 |
286 |
3 |
0 |
| OW |
0 |
13 |
23 |
20 |
38 |
52 |
4 |
0 |
| VODI |
0 |
3 |
16 |
37 |
39 |
73 |
9 |
0 |
| ODI |
0 |
0 |
3 |
27 |
45 |
78 |
8 |
0 |
| CDI |
0 |
0 |
0 |
15 |
71 |
172 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
79 |
908 |
2682 |
1791 |
|
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