Validation of sea ice concentration
Bulletin date: 2012-12-13
Model vs. observations, sea ice class contingency tables
Date: 2012-12-07:
| 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 |
15352 |
6749 |
1288 |
780 |
214 |
42 |
4 |
0 |
| OW |
0 |
33 |
360 |
295 |
181 |
104 |
18 |
5 |
| VODI |
0 |
1 |
326 |
262 |
277 |
181 |
73 |
0 |
| ODI |
0 |
0 |
48 |
85 |
208 |
231 |
157 |
3 |
| CDI |
0 |
0 |
13 |
45 |
115 |
285 |
439 |
18 |
| VCDI |
0 |
0 |
0 |
15 |
70 |
519 |
5590 |
3033 |
|
...date precedes bulletin
|
Date: 2012-12-11:
| 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 |
15820 |
6871 |
1880 |
530 |
151 |
72 |
2 |
0 |
| OW |
0 |
24 |
202 |
197 |
182 |
152 |
7 |
0 |
| VODI |
0 |
4 |
71 |
121 |
159 |
322 |
41 |
0 |
| ODI |
0 |
1 |
37 |
41 |
94 |
415 |
167 |
0 |
| CDI |
0 |
0 |
10 |
48 |
78 |
306 |
559 |
22 |
| VCDI |
0 |
0 |
28 |
18 |
76 |
457 |
4027 |
4227 |
|
...date precedes bulletin
|
Date: 2012-12-13:
| 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 |
15834 |
7722 |
485 |
495 |
130 |
23 |
1 |
0 |
| OW |
0 |
290 |
270 |
248 |
142 |
55 |
15 |
0 |
| VODI |
0 |
57 |
146 |
279 |
244 |
205 |
65 |
0 |
| ODI |
0 |
11 |
29 |
120 |
224 |
258 |
175 |
0 |
| CDI |
0 |
12 |
11 |
68 |
178 |
328 |
483 |
0 |
| VCDI |
0 |
16 |
14 |
72 |
236 |
469 |
4785 |
3224 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15834 |
7999 |
763 |
758 |
300 |
103 |
30 |
0 |
| OW |
0 |
48 |
79 |
129 |
86 |
62 |
13 |
0 |
| VODI |
0 |
30 |
63 |
132 |
153 |
133 |
40 |
0 |
| ODI |
0 |
4 |
21 |
103 |
156 |
149 |
114 |
0 |
| CDI |
0 |
8 |
12 |
77 |
190 |
380 |
462 |
0 |
| VCDI |
0 |
19 |
17 |
83 |
269 |
511 |
4865 |
3224 |
|
Date: 2012-12-17:
| 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 |
15490 |
7847 |
829 |
681 |
168 |
20 |
0 |
0 |
| OW |
0 |
174 |
164 |
331 |
249 |
65 |
2 |
0 |
| VODI |
0 |
35 |
85 |
261 |
295 |
156 |
31 |
0 |
| ODI |
0 |
1 |
27 |
204 |
281 |
279 |
101 |
0 |
| CDI |
0 |
2 |
8 |
48 |
264 |
408 |
268 |
3 |
| VCDI |
0 |
1 |
9 |
43 |
264 |
524 |
3894 |
3907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15490 |
7765 |
827 |
724 |
332 |
72 |
15 |
0 |
| OW |
0 |
144 |
73 |
110 |
72 |
29 |
8 |
0 |
| VODI |
0 |
103 |
94 |
205 |
142 |
67 |
11 |
0 |
| ODI |
0 |
26 |
61 |
174 |
195 |
147 |
36 |
0 |
| CDI |
0 |
11 |
36 |
177 |
197 |
202 |
86 |
0 |
| VCDI |
0 |
11 |
31 |
178 |
583 |
935 |
4140 |
3910 |
|
Date: 2012-12-19:
| 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 |
15484 |
7269 |
646 |
478 |
90 |
2 |
0 |
0 |
| OW |
0 |
244 |
217 |
406 |
119 |
26 |
1 |
0 |
| VODI |
0 |
33 |
79 |
473 |
332 |
121 |
16 |
0 |
| ODI |
0 |
2 |
14 |
144 |
346 |
271 |
48 |
0 |
| CDI |
0 |
0 |
14 |
79 |
175 |
493 |
195 |
7 |
| VCDI |
0 |
0 |
0 |
36 |
113 |
1140 |
4402 |
3904 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15484 |
7343 |
726 |
705 |
235 |
72 |
15 |
0 |
| OW |
0 |
116 |
81 |
140 |
58 |
37 |
16 |
0 |
| VODI |
0 |
76 |
85 |
239 |
106 |
50 |
23 |
0 |
| ODI |
0 |
10 |
41 |
204 |
152 |
73 |
27 |
0 |
| CDI |
0 |
3 |
16 |
223 |
317 |
294 |
81 |
0 |
| VCDI |
0 |
0 |
21 |
105 |
307 |
1527 |
4500 |
3911 |
|
Date: 2012-12-21:
| 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 |
15602 |
6796 |
449 |
313 |
71 |
5 |
0 |
0 |
| OW |
0 |
361 |
316 |
238 |
134 |
22 |
0 |
0 |
| VODI |
0 |
54 |
334 |
325 |
256 |
143 |
13 |
0 |
| ODI |
0 |
2 |
78 |
201 |
269 |
377 |
34 |
0 |
| CDI |
0 |
2 |
36 |
74 |
163 |
536 |
188 |
42 |
| VCDI |
0 |
0 |
45 |
53 |
133 |
1561 |
4176 |
4017 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15602 |
7096 |
696 |
596 |
299 |
107 |
9 |
0 |
| OW |
0 |
35 |
114 |
58 |
84 |
66 |
1 |
0 |
| VODI |
0 |
46 |
141 |
112 |
110 |
124 |
14 |
0 |
| ODI |
0 |
19 |
120 |
121 |
112 |
160 |
30 |
0 |
| CDI |
0 |
13 |
112 |
140 |
154 |
327 |
109 |
29 |
| VCDI |
0 |
6 |
75 |
177 |
267 |
1860 |
4248 |
4030 |
|
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