Validation of sea ice concentration
Bulletin date: 2015-10-15
Model vs. observations, sea ice class contingency tables
Date: 2015-10-09:
| 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 |
24046 |
4919 |
394 |
132 |
74 |
87 |
19 |
0 |
| OW |
0 |
69 |
107 |
48 |
30 |
38 |
32 |
0 |
| VODI |
0 |
21 |
77 |
55 |
46 |
49 |
48 |
0 |
| ODI |
0 |
6 |
25 |
32 |
75 |
90 |
72 |
1 |
| CDI |
0 |
3 |
3 |
28 |
42 |
172 |
308 |
2 |
| VCDI |
0 |
0 |
0 |
2 |
9 |
218 |
2934 |
2754 |
|
...date precedes bulletin
|
Date: 2015-10-13:
| 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 |
23701 |
4717 |
519 |
227 |
131 |
10 |
15 |
0 |
| OW |
140 |
101 |
131 |
73 |
79 |
44 |
16 |
0 |
| VODI |
1 |
10 |
99 |
84 |
95 |
68 |
18 |
0 |
| ODI |
0 |
0 |
20 |
49 |
81 |
106 |
47 |
0 |
| CDI |
0 |
0 |
4 |
10 |
46 |
178 |
407 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
136 |
3124 |
2558 |
|
...date precedes bulletin
|
Date: 2015-10-15:
| 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 |
21463 |
6610 |
660 |
191 |
209 |
103 |
1 |
0 |
| OW |
0 |
319 |
203 |
59 |
56 |
76 |
12 |
0 |
| VODI |
0 |
26 |
120 |
84 |
64 |
122 |
26 |
0 |
| ODI |
0 |
1 |
38 |
72 |
52 |
118 |
53 |
0 |
| CDI |
0 |
0 |
12 |
21 |
48 |
134 |
207 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
122 |
3208 |
2551 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21461 |
6624 |
687 |
198 |
226 |
115 |
6 |
0 |
| OW |
2 |
297 |
185 |
64 |
47 |
88 |
18 |
0 |
| VODI |
0 |
34 |
115 |
81 |
62 |
135 |
21 |
0 |
| ODI |
0 |
1 |
35 |
55 |
44 |
109 |
70 |
0 |
| CDI |
0 |
0 |
11 |
28 |
50 |
120 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
108 |
3202 |
2551 |
|
Date: 2015-10-19:
| 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 |
20337 |
7054 |
859 |
187 |
171 |
57 |
1 |
0 |
| OW |
0 |
162 |
317 |
146 |
152 |
42 |
8 |
0 |
| VODI |
0 |
17 |
140 |
146 |
209 |
124 |
14 |
0 |
| ODI |
0 |
0 |
7 |
47 |
152 |
212 |
31 |
0 |
| CDI |
0 |
0 |
0 |
5 |
69 |
357 |
455 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
73 |
2566 |
2943 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20337 |
6681 |
837 |
223 |
276 |
115 |
12 |
0 |
| OW |
0 |
199 |
192 |
88 |
83 |
120 |
7 |
0 |
| VODI |
0 |
229 |
152 |
97 |
164 |
292 |
20 |
0 |
| ODI |
0 |
106 |
67 |
57 |
70 |
128 |
58 |
0 |
| CDI |
0 |
18 |
69 |
39 |
70 |
68 |
164 |
0 |
| VCDI |
0 |
0 |
6 |
27 |
97 |
142 |
2814 |
2943 |
|
Date: 2015-10-21:
| 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 |
20619 |
6724 |
557 |
223 |
108 |
90 |
40 |
0 |
| OW |
0 |
265 |
142 |
77 |
47 |
31 |
19 |
0 |
| VODI |
0 |
104 |
229 |
107 |
87 |
94 |
38 |
0 |
| ODI |
0 |
1 |
105 |
146 |
116 |
94 |
72 |
0 |
| CDI |
0 |
0 |
4 |
50 |
105 |
210 |
358 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
159 |
3096 |
2933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20619 |
6564 |
502 |
228 |
132 |
139 |
64 |
0 |
| OW |
0 |
261 |
118 |
69 |
51 |
69 |
41 |
0 |
| VODI |
0 |
175 |
220 |
84 |
91 |
77 |
97 |
0 |
| ODI |
0 |
58 |
123 |
101 |
51 |
49 |
154 |
0 |
| CDI |
0 |
36 |
70 |
73 |
69 |
93 |
169 |
0 |
| VCDI |
0 |
0 |
4 |
48 |
86 |
251 |
3098 |
2933 |
|
Date: 2015-10-23:
| 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 |
20242 |
6645 |
530 |
138 |
96 |
86 |
13 |
0 |
| OW |
0 |
344 |
145 |
131 |
86 |
60 |
5 |
0 |
| VODI |
0 |
119 |
50 |
214 |
160 |
103 |
43 |
0 |
| ODI |
0 |
60 |
37 |
79 |
155 |
150 |
81 |
0 |
| CDI |
0 |
11 |
31 |
34 |
60 |
205 |
283 |
0 |
| VCDI |
0 |
2 |
8 |
11 |
43 |
278 |
3396 |
2933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20242 |
6526 |
604 |
232 |
192 |
146 |
27 |
0 |
| OW |
0 |
213 |
65 |
122 |
83 |
91 |
44 |
0 |
| VODI |
0 |
129 |
52 |
172 |
147 |
145 |
105 |
0 |
| ODI |
0 |
101 |
17 |
25 |
86 |
96 |
138 |
0 |
| CDI |
0 |
87 |
18 |
19 |
33 |
129 |
175 |
0 |
| VCDI |
0 |
125 |
45 |
37 |
59 |
275 |
3332 |
2933 |
|
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