Validation of sea ice concentration
Bulletin date: 2015-02-12
Model vs. observations, sea ice class contingency tables
Date: 2015-02-06:
| 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 |
13120 |
5490 |
472 |
172 |
91 |
48 |
14 |
0 |
| OW |
0 |
224 |
124 |
57 |
50 |
49 |
30 |
0 |
| VODI |
0 |
220 |
141 |
71 |
63 |
50 |
80 |
0 |
| ODI |
0 |
94 |
140 |
74 |
96 |
92 |
143 |
3 |
| CDI |
0 |
76 |
90 |
91 |
120 |
257 |
643 |
42 |
| VCDI |
0 |
134 |
188 |
251 |
371 |
627 |
7962 |
5007 |
|
...date precedes bulletin
|
Date: 2015-02-10:
| 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 |
12652 |
5677 |
654 |
269 |
101 |
29 |
6 |
0 |
| OW |
0 |
108 |
131 |
88 |
53 |
40 |
13 |
0 |
| VODI |
0 |
60 |
137 |
114 |
129 |
70 |
43 |
0 |
| ODI |
0 |
18 |
78 |
87 |
134 |
118 |
101 |
13 |
| CDI |
0 |
3 |
48 |
82 |
140 |
246 |
348 |
84 |
| VCDI |
0 |
2 |
126 |
197 |
331 |
692 |
8014 |
5831 |
|
...date precedes bulletin
|
Date: 2015-02-12:
| 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 |
12736 |
5151 |
800 |
289 |
64 |
14 |
0 |
0 |
| OW |
0 |
135 |
113 |
164 |
42 |
27 |
5 |
0 |
| VODI |
0 |
70 |
91 |
185 |
78 |
78 |
18 |
0 |
| ODI |
0 |
51 |
41 |
134 |
82 |
76 |
83 |
0 |
| CDI |
0 |
38 |
35 |
120 |
168 |
122 |
238 |
17 |
| VCDI |
0 |
44 |
112 |
237 |
469 |
1298 |
9295 |
4347 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12736 |
5187 |
805 |
305 |
68 |
15 |
0 |
0 |
| OW |
0 |
106 |
111 |
148 |
41 |
25 |
3 |
0 |
| VODI |
0 |
71 |
91 |
188 |
70 |
59 |
13 |
0 |
| ODI |
0 |
51 |
31 |
135 |
89 |
79 |
68 |
0 |
| CDI |
0 |
37 |
38 |
110 |
168 |
124 |
220 |
15 |
| VCDI |
0 |
37 |
116 |
243 |
467 |
1313 |
9335 |
4349 |
|
Date: 2015-02-16:
| 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 |
12983 |
5776 |
601 |
196 |
85 |
48 |
13 |
0 |
| OW |
0 |
89 |
123 |
115 |
49 |
41 |
31 |
0 |
| VODI |
0 |
54 |
65 |
141 |
88 |
46 |
67 |
0 |
| ODI |
0 |
21 |
34 |
71 |
108 |
86 |
106 |
0 |
| CDI |
0 |
69 |
51 |
78 |
146 |
159 |
406 |
21 |
| VCDI |
0 |
15 |
46 |
89 |
194 |
424 |
6147 |
8185 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12983 |
5523 |
448 |
137 |
91 |
35 |
21 |
0 |
| OW |
0 |
181 |
153 |
83 |
12 |
23 |
23 |
0 |
| VODI |
0 |
116 |
107 |
124 |
68 |
30 |
46 |
0 |
| ODI |
0 |
69 |
64 |
99 |
80 |
58 |
86 |
0 |
| CDI |
0 |
48 |
39 |
90 |
132 |
128 |
298 |
7 |
| VCDI |
0 |
87 |
109 |
157 |
287 |
530 |
6296 |
8199 |
|
Date: 2015-02-18:
| 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 |
13464 |
5535 |
393 |
132 |
39 |
14 |
1 |
0 |
| OW |
0 |
111 |
121 |
92 |
64 |
40 |
14 |
0 |
| VODI |
0 |
91 |
81 |
102 |
84 |
74 |
59 |
0 |
| ODI |
0 |
44 |
31 |
84 |
76 |
104 |
151 |
35 |
| CDI |
0 |
47 |
25 |
74 |
110 |
126 |
417 |
168 |
| VCDI |
0 |
61 |
85 |
214 |
287 |
468 |
6874 |
7075 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13464 |
5332 |
291 |
66 |
29 |
18 |
5 |
0 |
| OW |
0 |
182 |
118 |
86 |
29 |
12 |
14 |
0 |
| VODI |
0 |
172 |
109 |
111 |
77 |
36 |
31 |
0 |
| ODI |
0 |
93 |
66 |
82 |
92 |
97 |
117 |
3 |
| CDI |
0 |
70 |
45 |
95 |
115 |
144 |
334 |
80 |
| VCDI |
0 |
40 |
107 |
258 |
318 |
519 |
7015 |
7195 |
|
Date: 2015-02-20:
| 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 |
13230 |
5245 |
648 |
140 |
18 |
6 |
2 |
0 |
| OW |
0 |
108 |
214 |
86 |
30 |
14 |
2 |
0 |
| VODI |
0 |
69 |
149 |
177 |
51 |
46 |
22 |
22 |
| ODI |
0 |
40 |
83 |
129 |
84 |
82 |
63 |
56 |
| CDI |
0 |
43 |
47 |
115 |
113 |
167 |
291 |
126 |
| VCDI |
0 |
91 |
188 |
289 |
360 |
870 |
7216 |
6335 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13230 |
4970 |
542 |
163 |
42 |
19 |
3 |
0 |
| OW |
0 |
189 |
120 |
77 |
43 |
19 |
1 |
0 |
| VODI |
0 |
182 |
160 |
80 |
51 |
65 |
11 |
0 |
| ODI |
0 |
99 |
144 |
118 |
41 |
85 |
108 |
6 |
| CDI |
0 |
75 |
130 |
161 |
83 |
132 |
311 |
73 |
| VCDI |
0 |
81 |
233 |
337 |
396 |
865 |
7162 |
6460 |
|
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