Validation of sea ice concentration
Bulletin date: 2013-09-05
Model vs. observations, sea ice class contingency tables
Date: 2013-08-30:
| 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 |
26553 |
4920 |
265 |
129 |
30 |
3 |
0 |
0 |
| OW |
0 |
185 |
91 |
76 |
46 |
12 |
1 |
0 |
| VODI |
0 |
26 |
98 |
226 |
198 |
72 |
73 |
0 |
| ODI |
0 |
0 |
3 |
55 |
233 |
208 |
184 |
0 |
| CDI |
0 |
0 |
0 |
9 |
60 |
303 |
471 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
61 |
1874 |
946 |
|
...date precedes bulletin
|
Date: 2013-09-03:
| 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 |
26145 |
5405 |
267 |
150 |
50 |
7 |
1 |
0 |
| OW |
0 |
36 |
79 |
68 |
76 |
23 |
11 |
0 |
| VODI |
0 |
8 |
45 |
153 |
280 |
107 |
78 |
0 |
| ODI |
0 |
0 |
6 |
99 |
174 |
244 |
212 |
0 |
| CDI |
0 |
0 |
0 |
4 |
69 |
207 |
636 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
52 |
1804 |
888 |
|
...date precedes bulletin
|
Date: 2013-09-05:
| 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 |
26397 |
4981 |
522 |
114 |
17 |
9 |
2 |
0 |
| OW |
0 |
82 |
63 |
98 |
42 |
22 |
24 |
0 |
| VODI |
0 |
3 |
29 |
186 |
258 |
114 |
78 |
0 |
| ODI |
0 |
0 |
0 |
40 |
251 |
184 |
214 |
0 |
| CDI |
0 |
0 |
0 |
3 |
53 |
252 |
653 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
52 |
1783 |
882 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26397 |
5046 |
590 |
266 |
131 |
41 |
34 |
0 |
| OW |
0 |
16 |
15 |
38 |
58 |
33 |
27 |
0 |
| VODI |
0 |
4 |
9 |
72 |
175 |
84 |
62 |
0 |
| ODI |
0 |
0 |
0 |
40 |
175 |
194 |
134 |
0 |
| CDI |
0 |
0 |
0 |
25 |
84 |
237 |
794 |
20 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
44 |
1703 |
862 |
|
Date: 2013-09-09:
| 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 |
26044 |
5388 |
324 |
115 |
53 |
8 |
0 |
0 |
| OW |
0 |
51 |
88 |
76 |
50 |
14 |
3 |
0 |
| VODI |
0 |
6 |
68 |
147 |
330 |
71 |
25 |
0 |
| ODI |
0 |
0 |
10 |
46 |
254 |
336 |
90 |
0 |
| CDI |
0 |
0 |
0 |
10 |
47 |
346 |
616 |
21 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
42 |
1542 |
1188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26044 |
5410 |
421 |
245 |
202 |
52 |
26 |
0 |
| OW |
0 |
22 |
13 |
27 |
64 |
26 |
10 |
0 |
| VODI |
0 |
13 |
38 |
50 |
178 |
69 |
44 |
0 |
| ODI |
0 |
0 |
18 |
34 |
194 |
264 |
68 |
0 |
| CDI |
0 |
0 |
0 |
29 |
78 |
335 |
603 |
1 |
| VCDI |
0 |
0 |
0 |
9 |
28 |
71 |
1525 |
1208 |
|
Date: 2013-09-11:
| 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 |
26015 |
4758 |
809 |
148 |
41 |
3 |
2 |
0 |
| OW |
0 |
202 |
85 |
72 |
29 |
5 |
10 |
0 |
| VODI |
0 |
19 |
62 |
234 |
220 |
39 |
36 |
0 |
| ODI |
0 |
0 |
2 |
77 |
305 |
212 |
110 |
0 |
| CDI |
0 |
0 |
0 |
10 |
38 |
296 |
579 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
13 |
65 |
1661 |
1257 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26015 |
4900 |
902 |
318 |
144 |
25 |
43 |
0 |
| OW |
0 |
23 |
19 |
26 |
66 |
24 |
12 |
0 |
| VODI |
0 |
54 |
23 |
75 |
144 |
49 |
26 |
0 |
| ODI |
0 |
2 |
8 |
71 |
182 |
183 |
99 |
0 |
| CDI |
0 |
0 |
6 |
31 |
81 |
244 |
617 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
29 |
95 |
1601 |
1257 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26773 |
4725 |
459 |
255 |
165 |
53 |
42 |
0 |
| OW |
0 |
30 |
24 |
29 |
41 |
20 |
14 |
0 |
| VODI |
0 |
28 |
52 |
59 |
119 |
65 |
47 |
0 |
| ODI |
0 |
0 |
21 |
77 |
146 |
140 |
93 |
0 |
| CDI |
0 |
0 |
4 |
49 |
118 |
229 |
551 |
0 |
| VCDI |
0 |
8 |
3 |
29 |
17 |
30 |
1956 |
948 |
|
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