Validation of sea ice concentration
Bulletin date: 2016-11-10
Model vs. observations, sea ice class contingency tables
Date: 2016-11-04:
| 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 |
20921 |
7152 |
629 |
132 |
51 |
42 |
32 |
0 |
| OW |
4 |
143 |
252 |
138 |
63 |
23 |
9 |
0 |
| VODI |
0 |
10 |
153 |
184 |
146 |
67 |
39 |
0 |
| ODI |
0 |
0 |
39 |
52 |
150 |
125 |
75 |
0 |
| CDI |
0 |
0 |
20 |
31 |
68 |
148 |
372 |
20 |
| VCDI |
0 |
0 |
3 |
4 |
41 |
224 |
3906 |
2691 |
|
...date precedes bulletin
|
Date: 2016-11-08:
| 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 |
22208 |
6179 |
273 |
246 |
55 |
59 |
2 |
0 |
| OW |
6 |
236 |
103 |
103 |
62 |
44 |
6 |
0 |
| VODI |
12 |
63 |
133 |
147 |
114 |
99 |
46 |
0 |
| ODI |
11 |
3 |
22 |
55 |
97 |
180 |
105 |
0 |
| CDI |
2 |
0 |
1 |
24 |
87 |
361 |
267 |
0 |
| VCDI |
0 |
0 |
2 |
4 |
69 |
847 |
3393 |
2433 |
|
...date precedes bulletin
|
Date: 2016-11-10:
| 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 |
6570 |
415 |
273 |
65 |
22 |
43 |
0 |
| OW |
0 |
316 |
111 |
92 |
52 |
30 |
19 |
0 |
| VODI |
0 |
54 |
141 |
151 |
91 |
74 |
42 |
0 |
| ODI |
0 |
13 |
14 |
112 |
130 |
127 |
98 |
0 |
| CDI |
0 |
5 |
0 |
42 |
127 |
207 |
290 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
62 |
480 |
3444 |
2975 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21463 |
6689 |
459 |
295 |
78 |
21 |
42 |
0 |
| OW |
0 |
196 |
85 |
93 |
49 |
30 |
20 |
0 |
| VODI |
0 |
55 |
118 |
126 |
83 |
75 |
46 |
0 |
| ODI |
0 |
13 |
19 |
107 |
129 |
123 |
95 |
0 |
| CDI |
0 |
4 |
0 |
48 |
122 |
214 |
284 |
0 |
| VCDI |
0 |
1 |
0 |
10 |
66 |
477 |
3449 |
2975 |
|
Date: 2016-11-14:
| 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 |
19965 |
8255 |
950 |
331 |
108 |
31 |
44 |
0 |
| OW |
0 |
6 |
152 |
128 |
67 |
18 |
29 |
0 |
| VODI |
0 |
0 |
58 |
171 |
159 |
69 |
40 |
0 |
| ODI |
0 |
0 |
21 |
82 |
101 |
160 |
117 |
0 |
| CDI |
0 |
0 |
10 |
47 |
87 |
242 |
508 |
0 |
| VCDI |
0 |
0 |
3 |
24 |
66 |
615 |
4198 |
1297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19965 |
7882 |
636 |
262 |
77 |
28 |
42 |
0 |
| OW |
0 |
309 |
200 |
96 |
55 |
16 |
28 |
0 |
| VODI |
0 |
66 |
229 |
128 |
122 |
45 |
37 |
0 |
| ODI |
0 |
4 |
92 |
151 |
86 |
91 |
79 |
0 |
| CDI |
0 |
0 |
23 |
95 |
132 |
234 |
350 |
0 |
| VCDI |
0 |
0 |
14 |
51 |
116 |
721 |
4400 |
1297 |
|
Date: 2016-11-16:
| 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 |
19931 |
8321 |
866 |
257 |
99 |
47 |
29 |
0 |
| OW |
0 |
83 |
293 |
134 |
65 |
24 |
28 |
0 |
| VODI |
0 |
0 |
104 |
161 |
194 |
81 |
48 |
0 |
| ODI |
0 |
0 |
32 |
70 |
192 |
125 |
71 |
0 |
| CDI |
0 |
0 |
15 |
19 |
131 |
206 |
268 |
1 |
| VCDI |
0 |
0 |
8 |
7 |
45 |
236 |
2747 |
3221 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19931 |
7826 |
632 |
202 |
70 |
40 |
43 |
0 |
| OW |
0 |
378 |
177 |
73 |
38 |
21 |
20 |
0 |
| VODI |
0 |
192 |
274 |
148 |
109 |
66 |
21 |
0 |
| ODI |
0 |
8 |
138 |
99 |
158 |
61 |
42 |
0 |
| CDI |
0 |
0 |
81 |
83 |
196 |
173 |
136 |
4 |
| VCDI |
0 |
0 |
16 |
43 |
155 |
358 |
2929 |
3218 |
|
Date: 2016-11-18:
| 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 |
20049 |
8113 |
748 |
209 |
72 |
60 |
10 |
0 |
| OW |
0 |
384 |
289 |
89 |
45 |
20 |
17 |
0 |
| VODI |
0 |
54 |
266 |
207 |
151 |
47 |
33 |
0 |
| ODI |
0 |
0 |
69 |
84 |
132 |
84 |
52 |
0 |
| CDI |
0 |
0 |
18 |
55 |
136 |
156 |
169 |
1 |
| VCDI |
0 |
0 |
4 |
21 |
92 |
330 |
2865 |
3028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20047 |
7447 |
563 |
175 |
68 |
50 |
11 |
0 |
| OW |
2 |
418 |
160 |
45 |
25 |
17 |
21 |
0 |
| VODI |
0 |
478 |
242 |
84 |
62 |
30 |
29 |
0 |
| ODI |
0 |
162 |
206 |
114 |
87 |
103 |
36 |
0 |
| CDI |
0 |
41 |
143 |
137 |
144 |
119 |
114 |
1 |
| VCDI |
0 |
5 |
80 |
110 |
242 |
378 |
2935 |
3028 |
|
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