Validation of sea ice concentration
Bulletin date: 2013-08-15
Model vs. observations, sea ice class contingency tables
Date: 2013-08-09:
| 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 |
21255 |
6946 |
1070 |
1242 |
422 |
325 |
146 |
0 |
| OW |
0 |
4 |
36 |
87 |
68 |
55 |
84 |
0 |
| VODI |
0 |
0 |
16 |
77 |
77 |
79 |
125 |
0 |
| ODI |
0 |
0 |
2 |
38 |
72 |
72 |
191 |
0 |
| CDI |
0 |
0 |
0 |
26 |
88 |
226 |
768 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
277 |
1569 |
1963 |
|
...date precedes bulletin
|
Date: 2013-08-13:
| 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 |
24377 |
5510 |
1089 |
324 |
51 |
11 |
3 |
0 |
| OW |
0 |
5 |
52 |
120 |
70 |
5 |
2 |
0 |
| VODI |
0 |
1 |
22 |
168 |
149 |
59 |
11 |
0 |
| ODI |
0 |
0 |
8 |
60 |
123 |
310 |
163 |
0 |
| CDI |
0 |
0 |
0 |
8 |
108 |
523 |
379 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
17 |
122 |
1899 |
1668 |
|
...date precedes bulletin
|
Date: 2013-08-15:
| 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 |
25346 |
4992 |
679 |
247 |
74 |
8 |
2 |
0 |
| OW |
0 |
25 |
78 |
83 |
73 |
19 |
2 |
0 |
| VODI |
0 |
12 |
26 |
131 |
126 |
124 |
10 |
0 |
| ODI |
0 |
2 |
13 |
53 |
177 |
375 |
51 |
0 |
| CDI |
0 |
0 |
3 |
19 |
116 |
489 |
402 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
6 |
41 |
1779 |
1834 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25346 |
5009 |
745 |
343 |
154 |
40 |
7 |
0 |
| OW |
0 |
10 |
25 |
32 |
56 |
35 |
3 |
0 |
| VODI |
0 |
10 |
11 |
52 |
75 |
100 |
19 |
0 |
| ODI |
0 |
2 |
13 |
74 |
136 |
318 |
55 |
0 |
| CDI |
0 |
0 |
4 |
33 |
149 |
536 |
619 |
2 |
| VCDI |
0 |
0 |
1 |
1 |
2 |
27 |
1543 |
1832 |
|
Date: 2013-08-19:
| 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 |
25156 |
5387 |
775 |
235 |
19 |
2 |
0 |
0 |
| OW |
0 |
30 |
60 |
149 |
62 |
14 |
3 |
0 |
| VODI |
0 |
1 |
18 |
140 |
233 |
126 |
26 |
0 |
| ODI |
0 |
0 |
2 |
40 |
160 |
397 |
144 |
0 |
| CDI |
0 |
0 |
0 |
10 |
27 |
173 |
891 |
9 |
| VCDI |
0 |
0 |
0 |
1 |
9 |
101 |
1592 |
1427 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25156 |
5408 |
806 |
363 |
72 |
27 |
15 |
0 |
| OW |
0 |
7 |
25 |
67 |
58 |
21 |
9 |
0 |
| VODI |
0 |
3 |
14 |
69 |
118 |
41 |
41 |
0 |
| ODI |
0 |
0 |
8 |
60 |
163 |
233 |
64 |
0 |
| CDI |
0 |
0 |
2 |
16 |
97 |
469 |
1006 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
22 |
1521 |
1426 |
|
Date: 2013-08-21:
| 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 |
25490 |
5444 |
535 |
241 |
33 |
1 |
0 |
0 |
| OW |
0 |
22 |
74 |
131 |
69 |
7 |
2 |
0 |
| VODI |
0 |
7 |
38 |
162 |
198 |
99 |
29 |
0 |
| ODI |
0 |
0 |
2 |
53 |
175 |
302 |
126 |
0 |
| CDI |
0 |
0 |
0 |
10 |
82 |
235 |
1071 |
35 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
18 |
1522 |
1206 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25490 |
5454 |
557 |
352 |
89 |
22 |
9 |
0 |
| OW |
0 |
11 |
41 |
56 |
55 |
21 |
13 |
0 |
| VODI |
0 |
5 |
37 |
74 |
78 |
38 |
38 |
0 |
| ODI |
0 |
3 |
13 |
84 |
158 |
179 |
64 |
0 |
| CDI |
0 |
0 |
1 |
31 |
175 |
391 |
1536 |
111 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
11 |
1090 |
1130 |
|
Date: 2013-08-23:
| 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 |
26025 |
5310 |
308 |
116 |
31 |
2 |
0 |
0 |
| OW |
0 |
51 |
73 |
139 |
48 |
10 |
2 |
0 |
| VODI |
0 |
6 |
47 |
175 |
208 |
83 |
35 |
0 |
| ODI |
0 |
0 |
5 |
49 |
221 |
310 |
83 |
0 |
| CDI |
0 |
0 |
1 |
15 |
65 |
360 |
1159 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
38 |
1493 |
929 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26025 |
5327 |
367 |
251 |
85 |
22 |
10 |
0 |
| OW |
0 |
28 |
27 |
71 |
36 |
13 |
9 |
0 |
| VODI |
0 |
10 |
28 |
70 |
92 |
51 |
38 |
0 |
| ODI |
0 |
2 |
12 |
70 |
196 |
153 |
65 |
0 |
| CDI |
0 |
0 |
0 |
32 |
161 |
506 |
1643 |
213 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
58 |
1007 |
736 |
|
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