Validation of sea ice concentration
Bulletin date: 2012-03-21
Model vs. observations, sea ice class contingency tables
Date: 2012-03-15:
| 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 |
14224 |
6406 |
722 |
496 |
85 |
11 |
10 |
0 |
| OW |
0 |
143 |
194 |
282 |
183 |
51 |
15 |
0 |
| VODI |
0 |
5 |
77 |
294 |
396 |
307 |
49 |
0 |
| ODI |
0 |
0 |
27 |
92 |
307 |
578 |
342 |
0 |
| CDI |
0 |
0 |
4 |
43 |
143 |
736 |
1133 |
3 |
| VCDI |
0 |
0 |
2 |
12 |
75 |
453 |
6317 |
3202 |
|
...date precedes bulletin
|
Date: 2012-03-19:
| 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 |
14132 |
6387 |
492 |
259 |
89 |
29 |
8 |
0 |
| OW |
0 |
107 |
154 |
206 |
151 |
73 |
23 |
0 |
| VODI |
0 |
27 |
88 |
288 |
210 |
284 |
49 |
0 |
| ODI |
0 |
5 |
27 |
101 |
271 |
511 |
87 |
1 |
| CDI |
0 |
1 |
4 |
38 |
202 |
839 |
518 |
53 |
| VCDI |
0 |
0 |
0 |
10 |
122 |
1200 |
6716 |
3657 |
|
...date precedes bulletin
|
Date: 2012-03-21:
| 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 |
14642 |
6266 |
294 |
256 |
67 |
5 |
1 |
0 |
| OW |
0 |
85 |
171 |
239 |
122 |
18 |
12 |
0 |
| VODI |
0 |
16 |
75 |
279 |
306 |
86 |
39 |
0 |
| ODI |
0 |
0 |
13 |
79 |
369 |
367 |
133 |
0 |
| CDI |
0 |
0 |
2 |
38 |
178 |
505 |
663 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
66 |
518 |
6796 |
4699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14642 |
5856 |
306 |
281 |
205 |
57 |
92 |
0 |
| OW |
0 |
106 |
35 |
59 |
42 |
29 |
39 |
0 |
| VODI |
0 |
121 |
51 |
87 |
96 |
43 |
63 |
0 |
| ODI |
0 |
74 |
41 |
113 |
101 |
104 |
102 |
0 |
| CDI |
0 |
107 |
28 |
140 |
269 |
391 |
398 |
3 |
| VCDI |
0 |
103 |
94 |
225 |
395 |
875 |
6950 |
4696 |
|
Date: 2012-03-25:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-03-27:
| 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 |
14096 |
6259 |
434 |
203 |
63 |
25 |
10 |
0 |
| OW |
0 |
112 |
173 |
188 |
66 |
58 |
31 |
0 |
| VODI |
0 |
18 |
83 |
168 |
121 |
178 |
66 |
0 |
| ODI |
0 |
1 |
34 |
105 |
159 |
258 |
109 |
21 |
| CDI |
0 |
0 |
57 |
69 |
190 |
541 |
363 |
105 |
| VCDI |
0 |
0 |
6 |
10 |
121 |
1889 |
6157 |
4872 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14096 |
6124 |
382 |
248 |
156 |
342 |
63 |
0 |
| OW |
0 |
80 |
54 |
49 |
21 |
66 |
38 |
0 |
| VODI |
0 |
71 |
74 |
85 |
44 |
105 |
47 |
0 |
| ODI |
0 |
56 |
41 |
75 |
69 |
133 |
68 |
25 |
| CDI |
0 |
42 |
76 |
102 |
149 |
303 |
279 |
104 |
| VCDI |
0 |
17 |
160 |
184 |
281 |
2000 |
6241 |
4869 |
|
Date: 2012-03-29:
| 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 |
14245 |
6230 |
468 |
258 |
68 |
14 |
6 |
0 |
| OW |
0 |
94 |
137 |
145 |
118 |
63 |
17 |
0 |
| VODI |
0 |
20 |
137 |
139 |
183 |
147 |
57 |
5 |
| ODI |
0 |
1 |
75 |
55 |
134 |
264 |
140 |
73 |
| CDI |
0 |
0 |
34 |
36 |
169 |
464 |
546 |
123 |
| VCDI |
0 |
0 |
18 |
21 |
102 |
1016 |
6769 |
4828 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14245 |
5851 |
422 |
270 |
179 |
230 |
123 |
0 |
| OW |
0 |
116 |
55 |
49 |
36 |
52 |
49 |
0 |
| VODI |
0 |
104 |
64 |
54 |
52 |
74 |
86 |
4 |
| ODI |
0 |
86 |
38 |
54 |
47 |
101 |
103 |
73 |
| CDI |
0 |
84 |
45 |
37 |
104 |
211 |
391 |
112 |
| VCDI |
0 |
104 |
245 |
190 |
356 |
1300 |
6783 |
4840 |
|
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