Validation of sea ice concentration
Bulletin date: 2012-11-08
Model vs. observations, sea ice class contingency tables
Date: 2012-11-02:
| 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 |
20962 |
6353 |
329 |
168 |
160 |
77 |
0 |
0 |
| OW |
15 |
573 |
146 |
142 |
70 |
16 |
0 |
0 |
| VODI |
0 |
72 |
93 |
154 |
181 |
81 |
0 |
0 |
| ODI |
0 |
25 |
29 |
42 |
77 |
170 |
4 |
0 |
| CDI |
0 |
12 |
40 |
35 |
73 |
290 |
18 |
0 |
| VCDI |
0 |
3 |
17 |
30 |
70 |
1111 |
3081 |
2700 |
|
...date precedes bulletin
|
Date: 2012-11-06:
| 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 |
19348 |
8427 |
761 |
378 |
201 |
37 |
0 |
0 |
| OW |
0 |
60 |
86 |
92 |
83 |
53 |
0 |
0 |
| VODI |
0 |
18 |
41 |
98 |
114 |
99 |
0 |
0 |
| ODI |
0 |
10 |
20 |
62 |
79 |
106 |
7 |
0 |
| CDI |
0 |
3 |
12 |
48 |
52 |
184 |
42 |
0 |
| VCDI |
0 |
0 |
4 |
22 |
101 |
666 |
3359 |
2746 |
|
...date precedes bulletin
|
Date: 2012-11-08:
| 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 |
19506 |
7815 |
683 |
225 |
159 |
56 |
0 |
0 |
| OW |
7 |
390 |
138 |
122 |
49 |
23 |
1 |
0 |
| VODI |
0 |
44 |
96 |
138 |
100 |
39 |
1 |
0 |
| ODI |
0 |
16 |
40 |
102 |
65 |
101 |
5 |
0 |
| CDI |
0 |
4 |
22 |
82 |
95 |
132 |
37 |
1 |
| VCDI |
0 |
0 |
3 |
31 |
133 |
632 |
3189 |
3137 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19513 |
8196 |
812 |
355 |
205 |
89 |
1 |
0 |
| OW |
0 |
30 |
53 |
58 |
30 |
19 |
1 |
0 |
| VODI |
0 |
22 |
56 |
69 |
68 |
29 |
1 |
0 |
| ODI |
0 |
10 |
34 |
82 |
56 |
76 |
5 |
0 |
| CDI |
0 |
10 |
20 |
71 |
68 |
109 |
46 |
1 |
| VCDI |
0 |
1 |
7 |
65 |
174 |
661 |
3179 |
3137 |
|
Date: 2012-11-12:
| 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 |
19905 |
7516 |
947 |
200 |
162 |
82 |
0 |
0 |
| OW |
21 |
27 |
98 |
121 |
68 |
30 |
0 |
0 |
| VODI |
6 |
7 |
21 |
117 |
135 |
53 |
0 |
0 |
| ODI |
3 |
0 |
2 |
62 |
124 |
136 |
6 |
0 |
| CDI |
16 |
0 |
0 |
31 |
103 |
248 |
108 |
1 |
| VCDI |
3 |
0 |
0 |
9 |
49 |
461 |
3745 |
2796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19924 |
7389 |
828 |
136 |
192 |
133 |
0 |
0 |
| OW |
3 |
47 |
79 |
47 |
16 |
12 |
0 |
0 |
| VODI |
2 |
47 |
76 |
91 |
47 |
21 |
0 |
0 |
| ODI |
5 |
28 |
49 |
81 |
74 |
53 |
0 |
0 |
| CDI |
5 |
21 |
23 |
99 |
131 |
149 |
50 |
1 |
| VCDI |
15 |
18 |
13 |
86 |
181 |
642 |
3809 |
2796 |
|
Date: 2012-11-14:
| 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 |
19239 |
7853 |
720 |
137 |
116 |
102 |
0 |
0 |
| OW |
27 |
192 |
296 |
125 |
49 |
36 |
0 |
0 |
| VODI |
1 |
14 |
100 |
166 |
97 |
58 |
1 |
0 |
| ODI |
0 |
5 |
16 |
79 |
110 |
100 |
7 |
0 |
| CDI |
0 |
12 |
5 |
36 |
147 |
181 |
58 |
2 |
| VCDI |
0 |
6 |
4 |
12 |
54 |
515 |
3544 |
3197 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19267 |
7863 |
804 |
143 |
155 |
162 |
0 |
0 |
| OW |
0 |
40 |
72 |
37 |
10 |
16 |
0 |
0 |
| VODI |
0 |
77 |
114 |
90 |
27 |
22 |
0 |
0 |
| ODI |
0 |
49 |
45 |
96 |
51 |
25 |
6 |
0 |
| CDI |
0 |
36 |
52 |
96 |
128 |
138 |
52 |
0 |
| VCDI |
0 |
17 |
54 |
93 |
202 |
629 |
3552 |
3199 |
|
Date: 2012-11-16:
| 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 |
18763 |
7899 |
499 |
158 |
27 |
132 |
0 |
0 |
| OW |
4 |
450 |
314 |
115 |
69 |
52 |
0 |
0 |
| VODI |
0 |
90 |
208 |
201 |
68 |
83 |
0 |
0 |
| ODI |
0 |
3 |
26 |
120 |
113 |
112 |
10 |
0 |
| CDI |
0 |
2 |
20 |
26 |
80 |
314 |
51 |
0 |
| VCDI |
0 |
0 |
5 |
26 |
22 |
548 |
4314 |
2495 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18767 |
8161 |
771 |
235 |
64 |
216 |
0 |
0 |
| OW |
0 |
90 |
64 |
78 |
19 |
17 |
0 |
0 |
| VODI |
0 |
97 |
61 |
90 |
52 |
37 |
0 |
0 |
| ODI |
0 |
70 |
72 |
51 |
49 |
53 |
2 |
0 |
| CDI |
0 |
24 |
60 |
94 |
98 |
193 |
23 |
0 |
| VCDI |
0 |
2 |
44 |
98 |
97 |
725 |
4350 |
2495 |
|
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