Validation of sea ice concentration
Bulletin date: 2012-09-06
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2012-09-04:
| 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 |
25178 |
4904 |
495 |
290 |
271 |
86 |
0 |
0 |
| OW |
0 |
18 |
71 |
89 |
178 |
49 |
0 |
0 |
| VODI |
0 |
3 |
25 |
47 |
172 |
148 |
0 |
0 |
| ODI |
0 |
0 |
5 |
18 |
88 |
256 |
27 |
0 |
| CDI |
0 |
0 |
0 |
18 |
124 |
442 |
385 |
47 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
45 |
1403 |
2536 |
|
...date precedes bulletin
|
Date: 2012-09-06:
| 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 |
25243 |
4918 |
419 |
361 |
207 |
36 |
0 |
0 |
| OW |
0 |
55 |
56 |
99 |
127 |
43 |
0 |
0 |
| VODI |
0 |
6 |
38 |
90 |
150 |
104 |
0 |
0 |
| ODI |
0 |
1 |
4 |
42 |
170 |
159 |
14 |
0 |
| CDI |
0 |
0 |
0 |
44 |
201 |
493 |
750 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
1193 |
2389 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25243 |
4963 |
457 |
477 |
417 |
80 |
0 |
0 |
| OW |
0 |
13 |
35 |
30 |
62 |
32 |
7 |
0 |
| VODI |
0 |
4 |
23 |
44 |
97 |
109 |
9 |
0 |
| ODI |
0 |
0 |
2 |
35 |
86 |
140 |
12 |
0 |
| CDI |
0 |
0 |
0 |
50 |
191 |
465 |
1036 |
458 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
10 |
893 |
1937 |
|
Date: 2012-09-10:
| 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 |
25254 |
4970 |
440 |
215 |
281 |
21 |
0 |
0 |
| OW |
0 |
76 |
39 |
113 |
176 |
27 |
0 |
0 |
| VODI |
0 |
1 |
20 |
76 |
173 |
178 |
4 |
0 |
| ODI |
0 |
0 |
2 |
15 |
76 |
406 |
23 |
0 |
| CDI |
0 |
0 |
0 |
1 |
73 |
461 |
156 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
35 |
1602 |
2504 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25254 |
4999 |
440 |
303 |
469 |
128 |
0 |
0 |
| OW |
0 |
32 |
21 |
29 |
38 |
57 |
1 |
0 |
| VODI |
0 |
16 |
25 |
34 |
50 |
110 |
27 |
0 |
| ODI |
0 |
0 |
13 |
34 |
54 |
165 |
13 |
0 |
| CDI |
0 |
0 |
2 |
20 |
168 |
668 |
960 |
14 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
784 |
2491 |
|
Date: 2012-09-12:
| 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 |
24995 |
5212 |
434 |
325 |
214 |
43 |
0 |
0 |
| OW |
0 |
83 |
45 |
137 |
137 |
33 |
0 |
0 |
| VODI |
0 |
15 |
21 |
95 |
195 |
90 |
6 |
0 |
| ODI |
0 |
1 |
2 |
27 |
184 |
196 |
46 |
0 |
| CDI |
0 |
0 |
0 |
10 |
145 |
362 |
305 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
11 |
1575 |
2459 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24995 |
5207 |
437 |
454 |
405 |
106 |
1 |
0 |
| OW |
0 |
54 |
19 |
22 |
51 |
33 |
1 |
0 |
| VODI |
0 |
29 |
30 |
38 |
84 |
49 |
23 |
0 |
| ODI |
0 |
21 |
7 |
38 |
95 |
97 |
41 |
0 |
| CDI |
0 |
0 |
9 |
42 |
242 |
449 |
1132 |
28 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1 |
734 |
2444 |
|
Date: 2012-09-14:
| 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 |
26040 |
4635 |
124 |
296 |
224 |
20 |
0 |
0 |
| OW |
0 |
133 |
54 |
146 |
95 |
25 |
0 |
0 |
| VODI |
0 |
26 |
33 |
125 |
220 |
97 |
2 |
0 |
| ODI |
0 |
0 |
3 |
35 |
136 |
207 |
24 |
6 |
| CDI |
0 |
0 |
0 |
16 |
161 |
329 |
359 |
54 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
43 |
1488 |
2261 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26040 |
4662 |
123 |
456 |
368 |
115 |
0 |
0 |
| OW |
0 |
66 |
27 |
26 |
41 |
33 |
0 |
0 |
| VODI |
0 |
48 |
33 |
44 |
71 |
37 |
2 |
0 |
| ODI |
0 |
18 |
19 |
41 |
67 |
65 |
17 |
0 |
| CDI |
0 |
0 |
12 |
31 |
255 |
409 |
903 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
35 |
62 |
951 |
2321 |
|
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