Validation of sea ice concentration
Bulletin date: 2012-07-19
Model vs. observations, sea ice class contingency tables
Date: 2012-07-13:
| 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 |
20855 |
5776 |
738 |
1133 |
338 |
82 |
30 |
0 |
| OW |
0 |
11 |
20 |
263 |
194 |
71 |
42 |
0 |
| VODI |
0 |
0 |
7 |
252 |
484 |
252 |
79 |
0 |
| ODI |
0 |
0 |
1 |
74 |
336 |
311 |
417 |
0 |
| CDI |
0 |
0 |
0 |
7 |
25 |
121 |
1779 |
1344 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
402 |
1971 |
|
...date precedes bulletin
|
Date: 2012-07-17:
| 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 |
21512 |
5488 |
562 |
1146 |
242 |
72 |
50 |
0 |
| OW |
0 |
6 |
28 |
161 |
182 |
58 |
49 |
0 |
| VODI |
0 |
0 |
7 |
229 |
506 |
180 |
109 |
0 |
| ODI |
0 |
0 |
0 |
59 |
400 |
485 |
545 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3 |
54 |
1796 |
1586 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
299 |
1601 |
|
...date precedes bulletin
|
Date: 2012-07-19:
| 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 |
21421 |
5682 |
565 |
967 |
281 |
68 |
54 |
0 |
| OW |
0 |
7 |
43 |
177 |
231 |
100 |
47 |
0 |
| VODI |
0 |
0 |
9 |
133 |
584 |
389 |
95 |
0 |
| ODI |
0 |
0 |
0 |
34 |
178 |
594 |
635 |
0 |
| CDI |
0 |
0 |
0 |
0 |
9 |
30 |
1570 |
1636 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
222 |
1655 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21421 |
5689 |
610 |
1209 |
810 |
439 |
244 |
0 |
| OW |
0 |
0 |
6 |
29 |
95 |
87 |
49 |
0 |
| VODI |
0 |
0 |
1 |
38 |
154 |
195 |
100 |
0 |
| ODI |
0 |
0 |
0 |
35 |
188 |
368 |
580 |
2 |
| CDI |
0 |
0 |
0 |
0 |
36 |
92 |
1457 |
1536 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
193 |
1753 |
|
Date: 2012-07-23:
| 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 |
21072 |
6194 |
683 |
1103 |
270 |
29 |
22 |
0 |
| OW |
0 |
7 |
35 |
200 |
251 |
64 |
12 |
0 |
| VODI |
0 |
0 |
0 |
129 |
461 |
303 |
132 |
0 |
| ODI |
0 |
0 |
0 |
27 |
357 |
505 |
1074 |
0 |
| CDI |
0 |
0 |
0 |
1 |
14 |
26 |
1510 |
1578 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
66 |
1293 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21072 |
6197 |
700 |
1310 |
868 |
367 |
232 |
0 |
| OW |
0 |
2 |
13 |
40 |
103 |
78 |
49 |
0 |
| VODI |
0 |
2 |
2 |
70 |
191 |
167 |
181 |
0 |
| ODI |
0 |
0 |
3 |
35 |
148 |
240 |
646 |
7 |
| CDI |
0 |
0 |
0 |
5 |
43 |
76 |
1695 |
1471 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
13 |
1393 |
|
Date: 2012-07-25:
| 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 |
21158 |
6307 |
902 |
977 |
206 |
38 |
6 |
0 |
| OW |
0 |
12 |
47 |
268 |
268 |
70 |
15 |
0 |
| VODI |
0 |
0 |
0 |
129 |
430 |
283 |
201 |
0 |
| ODI |
0 |
0 |
0 |
30 |
288 |
329 |
1242 |
2 |
| CDI |
0 |
0 |
0 |
2 |
8 |
27 |
1368 |
1421 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
59 |
1325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21158 |
6295 |
931 |
1258 |
790 |
308 |
214 |
0 |
| OW |
0 |
11 |
6 |
35 |
95 |
59 |
68 |
0 |
| VODI |
0 |
9 |
11 |
71 |
152 |
155 |
212 |
0 |
| ODI |
0 |
3 |
1 |
36 |
124 |
157 |
770 |
7 |
| CDI |
0 |
1 |
0 |
6 |
39 |
69 |
1528 |
1268 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
99 |
1473 |
|
Date: 2012-07-27:
| 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 |
21660 |
6188 |
802 |
848 |
194 |
13 |
5 |
0 |
| OW |
0 |
23 |
61 |
244 |
370 |
56 |
15 |
0 |
| VODI |
0 |
0 |
4 |
149 |
384 |
317 |
264 |
0 |
| ODI |
0 |
0 |
0 |
37 |
200 |
287 |
1249 |
6 |
| CDI |
0 |
0 |
0 |
3 |
16 |
46 |
1191 |
1662 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
52 |
1072 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21660 |
6184 |
837 |
1117 |
835 |
309 |
260 |
0 |
| OW |
0 |
9 |
11 |
37 |
80 |
57 |
64 |
0 |
| VODI |
0 |
12 |
15 |
83 |
97 |
110 |
221 |
1 |
| ODI |
0 |
4 |
3 |
34 |
103 |
170 |
681 |
26 |
| CDI |
0 |
2 |
1 |
10 |
49 |
74 |
1475 |
1352 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
75 |
1361 |
|
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