Validation of sea ice concentration
Bulletin date: 2013-10-03
Model vs. observations, sea ice class contingency tables
Date: 2013-09-27:
| 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 |
26120 |
5854 |
232 |
81 |
57 |
21 |
13 |
0 |
| OW |
0 |
101 |
69 |
65 |
51 |
21 |
42 |
0 |
| VODI |
0 |
30 |
53 |
46 |
93 |
48 |
79 |
0 |
| ODI |
0 |
1 |
14 |
45 |
112 |
156 |
112 |
0 |
| CDI |
0 |
0 |
1 |
23 |
43 |
188 |
198 |
0 |
| VCDI |
0 |
0 |
0 |
46 |
44 |
149 |
2041 |
1170 |
|
...date precedes bulletin
|
Date: 2013-10-01:
| 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 |
26726 |
4426 |
511 |
146 |
34 |
15 |
13 |
0 |
| OW |
42 |
284 |
147 |
81 |
26 |
10 |
19 |
0 |
| VODI |
0 |
63 |
77 |
140 |
120 |
36 |
42 |
0 |
| ODI |
0 |
1 |
12 |
35 |
150 |
136 |
95 |
0 |
| CDI |
0 |
2 |
4 |
7 |
63 |
149 |
214 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
77 |
244 |
2133 |
1095 |
|
...date precedes bulletin
|
Date: 2013-10-03:
| 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 |
26067 |
5088 |
272 |
117 |
37 |
23 |
0 |
0 |
| OW |
14 |
367 |
96 |
90 |
23 |
23 |
2 |
0 |
| VODI |
0 |
78 |
120 |
147 |
102 |
50 |
15 |
0 |
| ODI |
0 |
0 |
11 |
86 |
153 |
149 |
29 |
0 |
| CDI |
0 |
0 |
1 |
34 |
129 |
238 |
143 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
44 |
235 |
1528 |
1901 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26081 |
5474 |
418 |
262 |
108 |
57 |
3 |
0 |
| OW |
0 |
35 |
29 |
36 |
19 |
14 |
9 |
0 |
| VODI |
0 |
24 |
39 |
68 |
53 |
29 |
12 |
0 |
| ODI |
0 |
0 |
14 |
62 |
89 |
63 |
18 |
0 |
| CDI |
0 |
0 |
0 |
36 |
132 |
213 |
116 |
1 |
| VCDI |
0 |
0 |
0 |
17 |
87 |
342 |
1559 |
1900 |
|
Date: 2013-10-07:
| 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 |
24904 |
6269 |
309 |
108 |
49 |
5 |
0 |
0 |
| OW |
0 |
105 |
104 |
61 |
46 |
27 |
0 |
0 |
| VODI |
0 |
24 |
69 |
75 |
65 |
65 |
1 |
0 |
| ODI |
0 |
0 |
20 |
20 |
104 |
181 |
9 |
0 |
| CDI |
0 |
0 |
1 |
24 |
170 |
454 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
67 |
402 |
1694 |
1952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24904 |
6303 |
406 |
179 |
139 |
83 |
2 |
0 |
| OW |
0 |
31 |
23 |
9 |
19 |
21 |
1 |
0 |
| VODI |
0 |
39 |
28 |
14 |
27 |
29 |
0 |
0 |
| ODI |
0 |
17 |
31 |
42 |
26 |
46 |
4 |
0 |
| CDI |
0 |
4 |
5 |
15 |
53 |
129 |
24 |
0 |
| VCDI |
0 |
4 |
10 |
40 |
237 |
826 |
1697 |
1952 |
|
Date: 2013-10-09:
| 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 |
24842 |
5736 |
278 |
132 |
31 |
8 |
0 |
0 |
| OW |
2 |
299 |
109 |
81 |
79 |
19 |
0 |
0 |
| VODI |
0 |
22 |
61 |
67 |
68 |
126 |
1 |
0 |
| ODI |
0 |
3 |
8 |
25 |
44 |
176 |
15 |
0 |
| CDI |
0 |
0 |
1 |
8 |
37 |
337 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
47 |
514 |
1900 |
2257 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24844 |
5918 |
386 |
243 |
168 |
176 |
9 |
0 |
| OW |
0 |
32 |
15 |
7 |
16 |
42 |
9 |
0 |
| VODI |
0 |
69 |
17 |
7 |
12 |
63 |
13 |
0 |
| ODI |
0 |
32 |
16 |
23 |
7 |
59 |
16 |
0 |
| CDI |
0 |
9 |
23 |
27 |
26 |
107 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
77 |
733 |
1884 |
2257 |
|
Date: 2013-10-11:
| 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 |
24717 |
5289 |
291 |
67 |
36 |
34 |
0 |
0 |
| OW |
130 |
434 |
103 |
61 |
54 |
55 |
1 |
0 |
| VODI |
0 |
63 |
85 |
95 |
125 |
98 |
3 |
0 |
| ODI |
0 |
3 |
10 |
43 |
43 |
179 |
5 |
0 |
| CDI |
0 |
0 |
2 |
13 |
75 |
283 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
100 |
646 |
1963 |
2277 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24847 |
5562 |
399 |
170 |
189 |
359 |
11 |
0 |
| OW |
0 |
43 |
5 |
5 |
14 |
50 |
1 |
0 |
| VODI |
0 |
60 |
7 |
5 |
6 |
70 |
4 |
0 |
| ODI |
0 |
51 |
9 |
8 |
18 |
55 |
11 |
0 |
| CDI |
0 |
64 |
18 |
14 |
30 |
103 |
48 |
0 |
| VCDI |
0 |
9 |
53 |
77 |
176 |
658 |
1933 |
2277 |
|
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