Validation of sea ice concentration
Bulletin date: 2013-07-04
Model vs. observations, sea ice class contingency tables
Date: 2013-06-28:
| 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 |
17252 |
6356 |
586 |
949 |
792 |
514 |
104 |
0 |
| OW |
0 |
17 |
61 |
318 |
495 |
571 |
282 |
0 |
| VODI |
0 |
1 |
83 |
156 |
463 |
617 |
849 |
0 |
| ODI |
0 |
0 |
23 |
61 |
113 |
349 |
782 |
91 |
| CDI |
0 |
0 |
6 |
12 |
93 |
328 |
1364 |
307 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
26 |
1158 |
2222 |
|
...date precedes bulletin
|
Date: 2013-07-02:
| 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 |
17573 |
6689 |
704 |
1120 |
919 |
301 |
125 |
0 |
| OW |
0 |
15 |
94 |
304 |
541 |
484 |
168 |
0 |
| VODI |
0 |
0 |
33 |
120 |
436 |
593 |
578 |
0 |
| ODI |
0 |
0 |
3 |
23 |
67 |
330 |
936 |
104 |
| CDI |
0 |
0 |
0 |
4 |
32 |
164 |
1809 |
947 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
5 |
477 |
1710 |
|
...date precedes bulletin
|
Date: 2013-07-04:
| 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 |
17938 |
6494 |
1050 |
1618 |
346 |
214 |
171 |
4 |
| OW |
0 |
5 |
109 |
728 |
490 |
171 |
284 |
0 |
| VODI |
0 |
0 |
39 |
155 |
297 |
440 |
749 |
2 |
| ODI |
0 |
0 |
4 |
22 |
73 |
326 |
714 |
1 |
| CDI |
0 |
0 |
0 |
2 |
41 |
427 |
2194 |
81 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
542 |
1687 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17938 |
6497 |
1151 |
2179 |
748 |
468 |
573 |
4 |
| OW |
0 |
2 |
13 |
141 |
141 |
95 |
169 |
0 |
| VODI |
0 |
0 |
24 |
152 |
233 |
204 |
323 |
2 |
| ODI |
0 |
0 |
11 |
41 |
82 |
320 |
561 |
2 |
| CDI |
0 |
0 |
3 |
12 |
43 |
492 |
2519 |
79 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
509 |
1688 |
|
Date: 2013-07-08:
| 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 |
19071 |
5757 |
943 |
1758 |
534 |
153 |
78 |
0 |
| OW |
0 |
28 |
148 |
558 |
558 |
271 |
44 |
0 |
| VODI |
0 |
0 |
66 |
152 |
385 |
657 |
282 |
1 |
| ODI |
0 |
0 |
4 |
13 |
71 |
365 |
1264 |
1 |
| CDI |
0 |
0 |
0 |
0 |
16 |
164 |
1427 |
208 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
129 |
641 |
1671 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19071 |
5780 |
1134 |
2331 |
1274 |
895 |
273 |
0 |
| OW |
0 |
5 |
13 |
67 |
96 |
123 |
93 |
0 |
| VODI |
0 |
0 |
11 |
70 |
97 |
197 |
255 |
1 |
| ODI |
0 |
0 |
3 |
10 |
68 |
162 |
488 |
2 |
| CDI |
0 |
0 |
0 |
3 |
30 |
362 |
2260 |
120 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
367 |
1758 |
|
Date: 2013-07-10:
| 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 |
18672 |
6632 |
1367 |
1805 |
404 |
82 |
51 |
0 |
| OW |
0 |
38 |
105 |
597 |
452 |
205 |
59 |
0 |
| VODI |
0 |
0 |
40 |
152 |
285 |
535 |
369 |
0 |
| ODI |
0 |
0 |
0 |
6 |
58 |
233 |
1157 |
0 |
| CDI |
0 |
0 |
0 |
0 |
14 |
194 |
1190 |
90 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
162 |
916 |
1542 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18672 |
6669 |
1504 |
2419 |
988 |
677 |
235 |
0 |
| OW |
0 |
1 |
8 |
62 |
71 |
87 |
97 |
0 |
| VODI |
0 |
0 |
0 |
57 |
83 |
131 |
248 |
0 |
| ODI |
0 |
0 |
0 |
22 |
53 |
117 |
567 |
0 |
| CDI |
0 |
0 |
0 |
0 |
25 |
399 |
2201 |
80 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
394 |
1552 |
|
Date: 2013-07-12:
| 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 |
20597 |
6411 |
1074 |
782 |
259 |
87 |
52 |
0 |
| OW |
0 |
149 |
165 |
471 |
345 |
251 |
83 |
0 |
| VODI |
0 |
16 |
51 |
198 |
256 |
418 |
450 |
0 |
| ODI |
0 |
0 |
4 |
18 |
48 |
159 |
1018 |
0 |
| CDI |
0 |
0 |
0 |
1 |
15 |
175 |
1243 |
81 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
148 |
950 |
1441 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20597 |
6566 |
1252 |
1340 |
741 |
573 |
370 |
0 |
| OW |
0 |
7 |
19 |
49 |
53 |
61 |
95 |
0 |
| VODI |
0 |
3 |
8 |
48 |
61 |
109 |
211 |
0 |
| ODI |
0 |
0 |
10 |
30 |
59 |
132 |
484 |
0 |
| CDI |
0 |
0 |
5 |
3 |
11 |
358 |
2349 |
178 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
5 |
287 |
1344 |
|
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