Validation of sea ice concentration
Bulletin date: 2012-09-13
Model vs. observations, sea ice class contingency tables
Date: 2012-09-07:
| 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 |
25277 |
4847 |
432 |
333 |
204 |
34 |
0 |
0 |
| OW |
0 |
48 |
55 |
94 |
141 |
53 |
0 |
0 |
| VODI |
0 |
4 |
49 |
82 |
144 |
121 |
1 |
0 |
| ODI |
0 |
0 |
7 |
50 |
152 |
182 |
28 |
0 |
| CDI |
0 |
0 |
0 |
46 |
179 |
505 |
833 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
1121 |
2390 |
|
...date precedes bulletin
|
Date: 2012-09-11:
| 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 |
25125 |
5073 |
321 |
321 |
300 |
39 |
0 |
0 |
| OW |
0 |
82 |
32 |
119 |
181 |
33 |
0 |
0 |
| VODI |
0 |
7 |
16 |
93 |
194 |
93 |
12 |
0 |
| ODI |
0 |
0 |
2 |
17 |
132 |
272 |
55 |
0 |
| CDI |
0 |
0 |
0 |
4 |
118 |
407 |
250 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
27 |
1627 |
2460 |
|
...date precedes bulletin
|
Date: 2012-09-13:
| 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 |
24797 |
5460 |
456 |
289 |
234 |
19 |
0 |
0 |
| OW |
0 |
75 |
84 |
155 |
129 |
25 |
0 |
0 |
| VODI |
0 |
6 |
38 |
81 |
188 |
115 |
2 |
0 |
| ODI |
0 |
0 |
2 |
37 |
135 |
252 |
21 |
4 |
| CDI |
0 |
0 |
0 |
14 |
104 |
409 |
319 |
31 |
| VCDI |
0 |
0 |
0 |
1 |
0 |
23 |
1576 |
2338 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24797 |
5526 |
512 |
470 |
445 |
137 |
0 |
0 |
| OW |
0 |
14 |
43 |
32 |
57 |
47 |
2 |
0 |
| VODI |
0 |
1 |
25 |
43 |
103 |
93 |
8 |
0 |
| ODI |
0 |
0 |
0 |
18 |
79 |
181 |
20 |
3 |
| CDI |
0 |
0 |
0 |
13 |
106 |
378 |
640 |
56 |
| VCDI |
0 |
0 |
0 |
1 |
0 |
7 |
1248 |
2314 |
|
Date: 2012-09-17:
| 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 |
25522 |
5691 |
298 |
137 |
35 |
6 |
0 |
0 |
| OW |
0 |
67 |
105 |
104 |
97 |
67 |
0 |
0 |
| VODI |
0 |
9 |
14 |
105 |
216 |
287 |
2 |
0 |
| ODI |
0 |
0 |
0 |
51 |
85 |
298 |
51 |
0 |
| CDI |
0 |
0 |
0 |
1 |
58 |
242 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
1 |
19 |
1396 |
2170 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25522 |
5752 |
361 |
275 |
234 |
225 |
0 |
0 |
| OW |
0 |
11 |
36 |
27 |
38 |
52 |
1 |
0 |
| VODI |
0 |
4 |
19 |
38 |
56 |
92 |
7 |
0 |
| ODI |
0 |
0 |
1 |
25 |
52 |
111 |
22 |
0 |
| CDI |
0 |
0 |
0 |
26 |
97 |
390 |
353 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
15 |
49 |
1350 |
2170 |
|
Date: 2012-09-19:
| 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 |
25479 |
5370 |
401 |
359 |
83 |
7 |
0 |
0 |
| OW |
0 |
20 |
150 |
218 |
118 |
36 |
1 |
0 |
| VODI |
0 |
0 |
21 |
159 |
233 |
94 |
12 |
0 |
| ODI |
0 |
0 |
0 |
29 |
140 |
176 |
49 |
0 |
| CDI |
0 |
0 |
0 |
30 |
95 |
282 |
281 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
7 |
1325 |
2239 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25479 |
5387 |
513 |
633 |
328 |
86 |
8 |
0 |
| OW |
0 |
3 |
31 |
34 |
48 |
28 |
4 |
0 |
| VODI |
0 |
0 |
21 |
38 |
78 |
55 |
15 |
0 |
| ODI |
0 |
0 |
7 |
29 |
76 |
64 |
23 |
0 |
| CDI |
0 |
0 |
0 |
51 |
114 |
339 |
342 |
31 |
| VCDI |
0 |
0 |
0 |
10 |
28 |
30 |
1276 |
2210 |
|
Date: 2012-09-21:
| 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 |
25578 |
5207 |
355 |
271 |
75 |
3 |
0 |
0 |
| OW |
0 |
139 |
103 |
139 |
121 |
38 |
0 |
0 |
| VODI |
0 |
24 |
63 |
118 |
280 |
158 |
7 |
0 |
| ODI |
0 |
0 |
12 |
24 |
125 |
222 |
49 |
0 |
| CDI |
0 |
0 |
0 |
28 |
59 |
267 |
368 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
21 |
1903 |
1661 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25578 |
5325 |
481 |
510 |
393 |
135 |
9 |
0 |
| OW |
0 |
25 |
10 |
16 |
51 |
66 |
6 |
0 |
| VODI |
0 |
14 |
13 |
6 |
43 |
98 |
8 |
0 |
| ODI |
0 |
6 |
15 |
7 |
46 |
93 |
26 |
0 |
| CDI |
0 |
0 |
14 |
32 |
115 |
283 |
639 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
13 |
34 |
1639 |
1661 |
|
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