Validation of sea ice concentration
Bulletin date: 2013-09-26
Model vs. observations, sea ice class contingency tables
Date: 2013-09-20:
| 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 |
26670 |
4934 |
174 |
77 |
50 |
8 |
1 |
0 |
| OW |
5 |
376 |
81 |
90 |
49 |
12 |
18 |
0 |
| VODI |
0 |
22 |
52 |
98 |
198 |
79 |
35 |
0 |
| ODI |
0 |
0 |
4 |
51 |
108 |
262 |
176 |
0 |
| CDI |
0 |
0 |
0 |
7 |
61 |
229 |
388 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
33 |
61 |
1730 |
1277 |
|
...date precedes bulletin
|
Date: 2013-09-24:
| 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 |
25869 |
6202 |
281 |
118 |
45 |
13 |
4 |
0 |
| OW |
0 |
54 |
57 |
49 |
47 |
21 |
10 |
0 |
| VODI |
0 |
4 |
48 |
82 |
114 |
39 |
36 |
0 |
| ODI |
0 |
0 |
8 |
44 |
108 |
178 |
185 |
0 |
| CDI |
0 |
0 |
0 |
21 |
55 |
237 |
213 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
43 |
270 |
2106 |
819 |
|
...date precedes bulletin
|
Date: 2013-09-26:
| 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 |
25987 |
6005 |
249 |
130 |
53 |
15 |
7 |
0 |
| OW |
0 |
90 |
48 |
69 |
37 |
22 |
26 |
0 |
| VODI |
0 |
22 |
45 |
75 |
102 |
33 |
66 |
0 |
| ODI |
0 |
1 |
14 |
38 |
150 |
118 |
158 |
0 |
| CDI |
0 |
0 |
0 |
30 |
37 |
166 |
214 |
0 |
| VCDI |
0 |
0 |
0 |
43 |
43 |
205 |
2013 |
1108 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25987 |
6097 |
316 |
227 |
114 |
37 |
16 |
0 |
| OW |
0 |
11 |
16 |
25 |
25 |
11 |
15 |
0 |
| VODI |
0 |
6 |
11 |
32 |
49 |
20 |
30 |
0 |
| ODI |
0 |
3 |
9 |
17 |
70 |
49 |
69 |
0 |
| CDI |
0 |
1 |
4 |
44 |
120 |
233 |
399 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
44 |
209 |
1955 |
1108 |
|
Date: 2013-09-30:
| 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 |
26256 |
5192 |
326 |
97 |
27 |
10 |
8 |
0 |
| OW |
25 |
309 |
111 |
100 |
20 |
8 |
15 |
0 |
| VODI |
0 |
68 |
59 |
113 |
121 |
45 |
40 |
0 |
| ODI |
0 |
0 |
6 |
37 |
166 |
150 |
105 |
0 |
| CDI |
0 |
0 |
0 |
14 |
72 |
173 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
51 |
291 |
2033 |
1081 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26281 |
5557 |
462 |
253 |
148 |
51 |
72 |
0 |
| OW |
0 |
7 |
17 |
20 |
28 |
10 |
18 |
0 |
| VODI |
0 |
2 |
16 |
32 |
37 |
25 |
26 |
0 |
| ODI |
0 |
3 |
4 |
20 |
32 |
36 |
37 |
0 |
| CDI |
0 |
0 |
3 |
26 |
119 |
211 |
255 |
0 |
| VCDI |
0 |
0 |
0 |
54 |
93 |
344 |
2039 |
1081 |
|
Date: 2013-10-02:
| 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 |
26666 |
4658 |
261 |
117 |
48 |
18 |
8 |
0 |
| OW |
43 |
353 |
108 |
41 |
31 |
10 |
17 |
0 |
| VODI |
0 |
70 |
107 |
99 |
129 |
65 |
40 |
0 |
| ODI |
0 |
2 |
22 |
48 |
121 |
159 |
76 |
0 |
| CDI |
0 |
0 |
3 |
17 |
66 |
134 |
255 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
57 |
166 |
1369 |
2035 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26709 |
5012 |
423 |
223 |
149 |
76 |
37 |
0 |
| OW |
0 |
39 |
9 |
17 |
24 |
28 |
17 |
0 |
| VODI |
0 |
31 |
24 |
14 |
34 |
37 |
34 |
0 |
| ODI |
0 |
0 |
29 |
29 |
31 |
40 |
34 |
0 |
| CDI |
0 |
1 |
16 |
38 |
119 |
137 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
95 |
234 |
1436 |
2035 |
|
Date: 2013-10-04:
| 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 |
25504 |
5463 |
240 |
122 |
38 |
11 |
0 |
0 |
| OW |
5 |
466 |
75 |
80 |
25 |
19 |
0 |
0 |
| VODI |
0 |
120 |
146 |
120 |
71 |
38 |
1 |
0 |
| ODI |
0 |
1 |
14 |
106 |
140 |
108 |
17 |
0 |
| CDI |
0 |
0 |
0 |
32 |
182 |
257 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
54 |
272 |
1645 |
1903 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25509 |
6043 |
396 |
263 |
120 |
73 |
5 |
0 |
| OW |
0 |
7 |
31 |
34 |
24 |
26 |
5 |
0 |
| VODI |
0 |
0 |
37 |
40 |
47 |
25 |
11 |
0 |
| ODI |
0 |
0 |
11 |
31 |
38 |
45 |
9 |
0 |
| CDI |
0 |
0 |
0 |
67 |
104 |
133 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
177 |
403 |
1719 |
1903 |
|
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