Validation of sea ice concentration
Bulletin date: 2012-11-01
Model vs. observations, sea ice class contingency tables
Date: 2012-10-26:
| 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 |
21426 |
6457 |
478 |
333 |
148 |
28 |
0 |
0 |
| OW |
0 |
245 |
73 |
94 |
58 |
28 |
0 |
0 |
| VODI |
0 |
56 |
88 |
100 |
118 |
80 |
2 |
0 |
| ODI |
0 |
4 |
40 |
38 |
88 |
125 |
4 |
0 |
| CDI |
0 |
1 |
10 |
39 |
134 |
176 |
22 |
0 |
| VCDI |
0 |
0 |
5 |
101 |
214 |
893 |
2860 |
2853 |
|
...date precedes bulletin
|
Date: 2012-10-30:
| 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 |
21150 |
6840 |
518 |
313 |
158 |
9 |
2 |
0 |
| OW |
0 |
142 |
73 |
132 |
57 |
19 |
3 |
0 |
| VODI |
0 |
76 |
28 |
74 |
92 |
74 |
7 |
0 |
| ODI |
0 |
26 |
12 |
57 |
96 |
106 |
21 |
0 |
| CDI |
0 |
15 |
12 |
21 |
123 |
214 |
89 |
0 |
| VCDI |
0 |
7 |
9 |
79 |
194 |
732 |
2910 |
2929 |
|
...date precedes bulletin
|
Date: 2012-11-01:
| 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 |
21428 |
6136 |
380 |
236 |
162 |
43 |
0 |
0 |
| OW |
0 |
320 |
177 |
172 |
86 |
27 |
0 |
0 |
| VODI |
0 |
28 |
45 |
116 |
175 |
79 |
2 |
0 |
| ODI |
0 |
12 |
14 |
37 |
93 |
152 |
4 |
0 |
| CDI |
0 |
10 |
18 |
16 |
76 |
261 |
38 |
0 |
| VCDI |
0 |
1 |
5 |
32 |
141 |
967 |
2939 |
2991 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21428 |
6437 |
547 |
436 |
275 |
75 |
2 |
0 |
| OW |
0 |
32 |
37 |
43 |
63 |
18 |
1 |
0 |
| VODI |
0 |
16 |
19 |
49 |
98 |
43 |
2 |
0 |
| ODI |
0 |
10 |
12 |
27 |
69 |
78 |
9 |
0 |
| CDI |
0 |
10 |
11 |
14 |
62 |
169 |
29 |
0 |
| VCDI |
0 |
2 |
13 |
40 |
166 |
1146 |
2940 |
2991 |
|
Date: 2012-11-05:
| 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 |
19776 |
7983 |
908 |
400 |
153 |
28 |
0 |
0 |
| OW |
0 |
55 |
105 |
143 |
71 |
11 |
0 |
0 |
| VODI |
0 |
27 |
51 |
115 |
119 |
72 |
0 |
0 |
| ODI |
0 |
11 |
27 |
37 |
93 |
106 |
6 |
0 |
| CDI |
0 |
1 |
15 |
38 |
112 |
183 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
110 |
510 |
3424 |
2590 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19776 |
7900 |
838 |
332 |
172 |
36 |
0 |
0 |
| OW |
0 |
64 |
81 |
75 |
11 |
2 |
0 |
0 |
| VODI |
0 |
48 |
66 |
104 |
38 |
8 |
0 |
0 |
| ODI |
0 |
18 |
44 |
76 |
74 |
31 |
0 |
0 |
| CDI |
0 |
22 |
44 |
72 |
80 |
93 |
23 |
0 |
| VCDI |
0 |
25 |
33 |
96 |
283 |
740 |
3524 |
2590 |
|
Date: 2012-11-07:
| 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 |
18955 |
8654 |
789 |
222 |
79 |
132 |
0 |
0 |
| OW |
0 |
138 |
180 |
111 |
50 |
35 |
0 |
0 |
| VODI |
0 |
43 |
43 |
130 |
115 |
58 |
0 |
0 |
| ODI |
0 |
20 |
33 |
56 |
98 |
84 |
7 |
0 |
| CDI |
0 |
8 |
14 |
31 |
98 |
165 |
30 |
0 |
| VCDI |
0 |
2 |
5 |
19 |
93 |
634 |
3459 |
2829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18955 |
8651 |
834 |
225 |
125 |
187 |
3 |
0 |
| OW |
0 |
43 |
66 |
55 |
41 |
10 |
3 |
0 |
| VODI |
0 |
51 |
50 |
84 |
66 |
22 |
3 |
0 |
| ODI |
0 |
27 |
52 |
83 |
67 |
55 |
4 |
0 |
| CDI |
0 |
29 |
19 |
52 |
98 |
115 |
41 |
0 |
| VCDI |
0 |
64 |
43 |
70 |
136 |
719 |
3442 |
2829 |
|
Date: 2012-11-09:
| 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 |
19402 |
7270 |
926 |
155 |
109 |
115 |
0 |
0 |
| OW |
19 |
423 |
430 |
77 |
55 |
37 |
0 |
0 |
| VODI |
6 |
6 |
168 |
130 |
75 |
43 |
1 |
0 |
| ODI |
13 |
0 |
44 |
132 |
117 |
63 |
2 |
0 |
| CDI |
10 |
0 |
18 |
52 |
132 |
119 |
39 |
0 |
| VCDI |
0 |
0 |
2 |
31 |
102 |
584 |
3853 |
2659 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19420 |
7622 |
1198 |
211 |
175 |
169 |
1 |
0 |
| OW |
2 |
32 |
55 |
32 |
36 |
23 |
1 |
0 |
| VODI |
2 |
28 |
87 |
56 |
62 |
35 |
0 |
0 |
| ODI |
8 |
9 |
65 |
41 |
51 |
57 |
4 |
0 |
| CDI |
6 |
5 |
96 |
90 |
56 |
87 |
44 |
0 |
| VCDI |
12 |
3 |
87 |
147 |
210 |
590 |
3845 |
2659 |
|
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