Validation of sea ice concentration
Bulletin date: 2013-09-19
Model vs. observations, sea ice class contingency tables
Date: 2013-09-13:
| 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 |
26709 |
4443 |
396 |
113 |
37 |
7 |
6 |
0 |
| OW |
64 |
289 |
61 |
66 |
22 |
11 |
18 |
0 |
| VODI |
0 |
51 |
101 |
167 |
163 |
55 |
35 |
0 |
| ODI |
0 |
0 |
2 |
125 |
290 |
200 |
115 |
0 |
| CDI |
0 |
0 |
0 |
16 |
65 |
210 |
468 |
0 |
| VCDI |
0 |
8 |
3 |
11 |
29 |
54 |
2061 |
948 |
|
...date precedes bulletin
|
Date: 2013-09-17:
| 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 |
26084 |
5689 |
209 |
120 |
32 |
5 |
2 |
0 |
| OW |
0 |
151 |
87 |
105 |
43 |
8 |
10 |
0 |
| VODI |
0 |
20 |
49 |
103 |
195 |
113 |
20 |
0 |
| ODI |
0 |
0 |
1 |
49 |
137 |
235 |
167 |
0 |
| CDI |
0 |
0 |
0 |
24 |
82 |
271 |
303 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
35 |
2007 |
1060 |
|
...date precedes bulletin
|
Date: 2013-09-19:
| 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 |
26655 |
4716 |
419 |
118 |
28 |
3 |
0 |
0 |
| OW |
0 |
339 |
97 |
102 |
14 |
9 |
12 |
0 |
| VODI |
0 |
28 |
59 |
161 |
192 |
37 |
26 |
0 |
| ODI |
0 |
0 |
6 |
97 |
222 |
142 |
126 |
0 |
| CDI |
0 |
0 |
2 |
40 |
89 |
179 |
364 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
31 |
35 |
1767 |
1300 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26655 |
5035 |
511 |
264 |
74 |
4 |
0 |
0 |
| OW |
0 |
29 |
23 |
54 |
31 |
7 |
7 |
0 |
| VODI |
0 |
17 |
40 |
79 |
133 |
24 |
16 |
0 |
| ODI |
0 |
2 |
7 |
65 |
168 |
119 |
43 |
0 |
| CDI |
0 |
0 |
2 |
53 |
137 |
225 |
524 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
33 |
26 |
1705 |
1299 |
|
Date: 2013-09-23:
| 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 |
26392 |
5762 |
221 |
100 |
44 |
13 |
1 |
0 |
| OW |
0 |
57 |
59 |
50 |
37 |
17 |
8 |
0 |
| VODI |
0 |
12 |
57 |
69 |
91 |
77 |
24 |
0 |
| ODI |
0 |
0 |
5 |
35 |
52 |
230 |
219 |
0 |
| CDI |
0 |
0 |
0 |
30 |
37 |
206 |
278 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
28 |
156 |
2046 |
980 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26392 |
5799 |
258 |
166 |
124 |
62 |
27 |
0 |
| OW |
0 |
19 |
26 |
14 |
32 |
27 |
28 |
0 |
| VODI |
0 |
13 |
32 |
24 |
36 |
103 |
38 |
0 |
| ODI |
0 |
0 |
19 |
18 |
25 |
175 |
104 |
0 |
| CDI |
0 |
0 |
7 |
50 |
33 |
220 |
706 |
0 |
| VCDI |
0 |
0 |
0 |
38 |
39 |
112 |
1673 |
980 |
|
Date: 2013-09-25:
| 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 |
26358 |
5641 |
280 |
149 |
53 |
15 |
7 |
0 |
| OW |
0 |
64 |
66 |
67 |
32 |
19 |
18 |
0 |
| VODI |
0 |
15 |
36 |
84 |
111 |
28 |
54 |
0 |
| ODI |
0 |
0 |
10 |
45 |
154 |
131 |
149 |
0 |
| CDI |
0 |
0 |
0 |
40 |
53 |
240 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
51 |
243 |
2045 |
952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26358 |
5695 |
329 |
235 |
136 |
42 |
46 |
0 |
| OW |
0 |
18 |
23 |
29 |
38 |
14 |
34 |
0 |
| VODI |
0 |
7 |
25 |
36 |
67 |
48 |
41 |
0 |
| ODI |
0 |
0 |
10 |
20 |
61 |
129 |
74 |
0 |
| CDI |
0 |
0 |
5 |
53 |
102 |
262 |
556 |
0 |
| VCDI |
0 |
0 |
0 |
52 |
50 |
181 |
1691 |
952 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26120 |
5811 |
262 |
142 |
110 |
45 |
76 |
0 |
| OW |
0 |
56 |
33 |
21 |
23 |
9 |
32 |
0 |
| VODI |
0 |
78 |
24 |
24 |
71 |
22 |
40 |
0 |
| ODI |
0 |
34 |
20 |
18 |
41 |
139 |
51 |
0 |
| CDI |
0 |
7 |
30 |
56 |
119 |
247 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
36 |
121 |
1855 |
1170 |
|
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