Validation of sea ice concentration
Bulletin date: 2012-08-23
Model vs. observations, sea ice class contingency tables
Date: 2012-08-17:
| 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 |
24850 |
3807 |
451 |
836 |
197 |
35 |
6 |
0 |
| OW |
0 |
8 |
53 |
225 |
127 |
37 |
17 |
0 |
| VODI |
0 |
2 |
18 |
246 |
439 |
264 |
167 |
0 |
| ODI |
0 |
0 |
0 |
50 |
140 |
152 |
234 |
26 |
| CDI |
0 |
0 |
0 |
1 |
59 |
289 |
1255 |
1196 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
781 |
1433 |
|
...date precedes bulletin
|
Date: 2012-08-21:
| 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 |
24741 |
3859 |
563 |
660 |
309 |
75 |
10 |
0 |
| OW |
0 |
6 |
58 |
137 |
217 |
31 |
17 |
0 |
| VODI |
0 |
0 |
5 |
67 |
486 |
301 |
33 |
0 |
| ODI |
0 |
0 |
0 |
21 |
181 |
391 |
114 |
0 |
| CDI |
0 |
0 |
0 |
5 |
84 |
491 |
559 |
833 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
172 |
1414 |
1569 |
|
...date precedes bulletin
|
Date: 2012-08-23:
| 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 |
24889 |
3914 |
405 |
726 |
246 |
36 |
13 |
0 |
| OW |
0 |
50 |
77 |
182 |
158 |
22 |
11 |
0 |
| VODI |
0 |
0 |
13 |
173 |
446 |
230 |
27 |
0 |
| ODI |
0 |
0 |
0 |
41 |
236 |
198 |
166 |
0 |
| CDI |
0 |
0 |
0 |
6 |
145 |
433 |
725 |
333 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
66 |
1424 |
2008 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24889 |
3932 |
437 |
926 |
581 |
141 |
45 |
0 |
| OW |
0 |
22 |
25 |
74 |
89 |
32 |
10 |
0 |
| VODI |
0 |
10 |
32 |
85 |
184 |
134 |
47 |
0 |
| ODI |
0 |
0 |
1 |
38 |
202 |
188 |
155 |
0 |
| CDI |
0 |
0 |
0 |
5 |
163 |
369 |
562 |
671 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
121 |
1547 |
1670 |
|
Date: 2012-08-27:
| 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 |
25337 |
4163 |
453 |
571 |
79 |
18 |
14 |
0 |
| OW |
0 |
15 |
76 |
168 |
227 |
61 |
7 |
0 |
| VODI |
0 |
0 |
9 |
114 |
341 |
255 |
17 |
1 |
| ODI |
0 |
0 |
0 |
23 |
145 |
386 |
121 |
45 |
| CDI |
0 |
0 |
0 |
3 |
43 |
281 |
887 |
207 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
6 |
1032 |
2313 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25337 |
4114 |
422 |
704 |
355 |
104 |
68 |
0 |
| OW |
0 |
34 |
36 |
35 |
60 |
33 |
14 |
0 |
| VODI |
0 |
29 |
48 |
58 |
145 |
152 |
18 |
0 |
| ODI |
0 |
1 |
25 |
42 |
114 |
195 |
63 |
45 |
| CDI |
0 |
0 |
7 |
40 |
156 |
480 |
670 |
539 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
43 |
1245 |
1982 |
|
Date: 2012-08-29:
| 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 |
25246 |
4462 |
534 |
517 |
132 |
14 |
20 |
0 |
| OW |
0 |
15 |
50 |
187 |
184 |
29 |
5 |
0 |
| VODI |
0 |
1 |
12 |
114 |
377 |
115 |
26 |
0 |
| ODI |
0 |
0 |
0 |
65 |
190 |
225 |
114 |
34 |
| CDI |
0 |
0 |
0 |
23 |
73 |
320 |
934 |
223 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
0 |
921 |
2256 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25246 |
4389 |
489 |
630 |
342 |
66 |
78 |
0 |
| OW |
0 |
52 |
40 |
50 |
59 |
14 |
15 |
0 |
| VODI |
0 |
26 |
38 |
88 |
204 |
59 |
9 |
2 |
| ODI |
0 |
11 |
19 |
62 |
168 |
104 |
38 |
42 |
| CDI |
0 |
0 |
10 |
76 |
182 |
447 |
851 |
441 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
13 |
1029 |
2028 |
|
Date: 2012-08-31:
| 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 |
25240 |
4646 |
483 |
421 |
94 |
24 |
21 |
0 |
| OW |
0 |
76 |
65 |
151 |
243 |
38 |
2 |
0 |
| VODI |
0 |
11 |
20 |
115 |
256 |
166 |
37 |
0 |
| ODI |
0 |
0 |
6 |
61 |
141 |
205 |
117 |
37 |
| CDI |
0 |
0 |
0 |
23 |
88 |
259 |
1149 |
305 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
730 |
2187 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25240 |
4533 |
475 |
538 |
358 |
71 |
74 |
0 |
| OW |
0 |
71 |
20 |
39 |
66 |
31 |
10 |
0 |
| VODI |
0 |
73 |
23 |
64 |
124 |
91 |
7 |
0 |
| ODI |
0 |
38 |
31 |
44 |
98 |
116 |
40 |
23 |
| CDI |
0 |
18 |
25 |
86 |
176 |
383 |
1380 |
1448 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
545 |
1058 |
|
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