Validation of sea ice concentration
Bulletin date: 2016-10-13
Model vs. observations, sea ice class contingency tables
Date: 2016-10-07:
| 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 |
24952 |
4846 |
771 |
167 |
77 |
7 |
0 |
0 |
| OW |
0 |
18 |
97 |
82 |
65 |
27 |
0 |
0 |
| VODI |
0 |
0 |
54 |
111 |
104 |
63 |
4 |
0 |
| ODI |
0 |
0 |
10 |
45 |
65 |
120 |
57 |
0 |
| CDI |
0 |
0 |
4 |
19 |
68 |
158 |
239 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
73 |
189 |
2916 |
2746 |
|
...date precedes bulletin
|
Date: 2016-10-11:
| 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 |
24390 |
5245 |
543 |
237 |
62 |
3 |
0 |
0 |
| OW |
0 |
30 |
101 |
87 |
78 |
16 |
0 |
0 |
| VODI |
0 |
3 |
55 |
77 |
96 |
65 |
1 |
0 |
| ODI |
0 |
0 |
6 |
24 |
64 |
171 |
36 |
0 |
| CDI |
0 |
0 |
3 |
6 |
37 |
232 |
354 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
11 |
208 |
3048 |
2868 |
|
...date precedes bulletin
|
Date: 2016-10-13:
| 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 |
24344 |
5204 |
417 |
226 |
77 |
21 |
1 |
0 |
| OW |
0 |
56 |
53 |
51 |
66 |
28 |
5 |
0 |
| VODI |
0 |
22 |
54 |
63 |
111 |
48 |
13 |
0 |
| ODI |
0 |
2 |
8 |
30 |
84 |
123 |
24 |
0 |
| CDI |
0 |
1 |
2 |
31 |
81 |
238 |
214 |
0 |
| VCDI |
0 |
0 |
1 |
10 |
58 |
332 |
3416 |
2644 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24344 |
5192 |
418 |
225 |
79 |
25 |
2 |
0 |
| OW |
0 |
51 |
26 |
46 |
55 |
24 |
12 |
0 |
| VODI |
0 |
39 |
72 |
56 |
95 |
46 |
6 |
0 |
| ODI |
0 |
2 |
16 |
39 |
102 |
98 |
21 |
0 |
| CDI |
0 |
1 |
1 |
37 |
95 |
267 |
233 |
0 |
| VCDI |
0 |
0 |
2 |
8 |
51 |
330 |
3399 |
2644 |
|
Date: 2016-10-17:
| 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 |
23760 |
5322 |
480 |
227 |
135 |
37 |
7 |
0 |
| OW |
0 |
12 |
87 |
59 |
95 |
14 |
16 |
0 |
| VODI |
0 |
6 |
60 |
57 |
115 |
27 |
29 |
0 |
| ODI |
0 |
0 |
16 |
20 |
105 |
71 |
63 |
0 |
| CDI |
0 |
0 |
7 |
13 |
111 |
227 |
280 |
0 |
| VCDI |
0 |
2 |
29 |
36 |
34 |
274 |
3536 |
2790 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23760 |
5262 |
483 |
249 |
153 |
27 |
20 |
0 |
| OW |
0 |
55 |
57 |
33 |
79 |
17 |
16 |
0 |
| VODI |
0 |
23 |
72 |
50 |
93 |
28 |
20 |
0 |
| ODI |
0 |
0 |
29 |
32 |
102 |
58 |
31 |
0 |
| CDI |
0 |
0 |
8 |
11 |
104 |
138 |
121 |
0 |
| VCDI |
0 |
2 |
30 |
37 |
64 |
382 |
3723 |
2790 |
|
Date: 2016-10-19:
| 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 |
23364 |
5499 |
609 |
334 |
65 |
19 |
4 |
0 |
| OW |
0 |
7 |
53 |
90 |
79 |
25 |
9 |
0 |
| VODI |
0 |
4 |
22 |
65 |
100 |
66 |
22 |
0 |
| ODI |
0 |
1 |
9 |
41 |
65 |
134 |
29 |
0 |
| CDI |
0 |
0 |
0 |
12 |
99 |
227 |
161 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
205 |
3218 |
3484 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23364 |
5456 |
590 |
321 |
89 |
41 |
18 |
0 |
| OW |
0 |
44 |
59 |
74 |
54 |
32 |
14 |
0 |
| VODI |
0 |
11 |
36 |
78 |
86 |
79 |
25 |
0 |
| ODI |
0 |
0 |
8 |
53 |
69 |
113 |
32 |
0 |
| CDI |
0 |
0 |
0 |
16 |
98 |
169 |
113 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
242 |
3241 |
3484 |
|
Date: 2016-10-21:
| 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 |
23341 |
5507 |
670 |
277 |
72 |
7 |
10 |
0 |
| OW |
0 |
7 |
70 |
65 |
92 |
26 |
1 |
0 |
| VODI |
0 |
5 |
38 |
74 |
99 |
75 |
13 |
0 |
| ODI |
0 |
2 |
5 |
44 |
74 |
99 |
42 |
0 |
| CDI |
0 |
0 |
3 |
16 |
89 |
136 |
171 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
151 |
3209 |
3647 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23341 |
5499 |
645 |
277 |
105 |
47 |
21 |
0 |
| OW |
0 |
19 |
95 |
71 |
53 |
32 |
17 |
0 |
| VODI |
0 |
3 |
43 |
79 |
109 |
61 |
43 |
0 |
| ODI |
0 |
0 |
3 |
38 |
82 |
107 |
66 |
0 |
| CDI |
0 |
0 |
0 |
11 |
83 |
124 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
123 |
3090 |
3649 |
|
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