Validation of sea ice concentration
Bulletin date: 2013-10-31
Model vs. observations, sea ice class contingency tables
Date: 2013-10-25:
| 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 |
19959 |
5497 |
390 |
152 |
38 |
4 |
0 |
0 |
| OW |
4 |
675 |
177 |
165 |
93 |
27 |
0 |
0 |
| VODI |
0 |
433 |
96 |
173 |
258 |
132 |
12 |
0 |
| ODI |
0 |
94 |
62 |
101 |
235 |
352 |
69 |
0 |
| CDI |
0 |
2 |
27 |
42 |
140 |
371 |
250 |
0 |
| VCDI |
0 |
0 |
2 |
11 |
78 |
733 |
3562 |
3003 |
|
...date precedes bulletin
|
Date: 2013-10-29:
| 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 |
19554 |
5645 |
376 |
179 |
26 |
13 |
0 |
0 |
| OW |
28 |
632 |
211 |
105 |
69 |
37 |
0 |
0 |
| VODI |
2 |
204 |
286 |
207 |
167 |
117 |
0 |
0 |
| ODI |
0 |
20 |
37 |
123 |
237 |
192 |
5 |
0 |
| CDI |
0 |
2 |
11 |
36 |
163 |
527 |
53 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
65 |
1117 |
3871 |
3093 |
|
...date precedes bulletin
|
Date: 2013-10-31:
| 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 |
18695 |
5410 |
450 |
133 |
15 |
1 |
0 |
0 |
| OW |
9 |
718 |
109 |
114 |
28 |
11 |
0 |
0 |
| VODI |
0 |
455 |
217 |
200 |
128 |
66 |
4 |
0 |
| ODI |
0 |
75 |
239 |
194 |
221 |
237 |
14 |
0 |
| CDI |
0 |
0 |
33 |
115 |
243 |
379 |
58 |
0 |
| VCDI |
0 |
0 |
6 |
47 |
186 |
1249 |
6186 |
1174 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18704 |
6230 |
598 |
283 |
71 |
23 |
0 |
0 |
| OW |
0 |
148 |
67 |
86 |
28 |
16 |
8 |
0 |
| VODI |
0 |
175 |
126 |
90 |
88 |
47 |
11 |
0 |
| ODI |
0 |
89 |
168 |
142 |
132 |
120 |
14 |
0 |
| CDI |
0 |
15 |
78 |
128 |
246 |
286 |
39 |
0 |
| VCDI |
0 |
1 |
17 |
74 |
256 |
1451 |
6190 |
1174 |
|
Date: 2013-11-04:
| 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 |
18714 |
5948 |
689 |
413 |
82 |
17 |
0 |
0 |
| OW |
27 |
260 |
171 |
209 |
121 |
58 |
6 |
0 |
| VODI |
0 |
120 |
89 |
236 |
144 |
127 |
19 |
0 |
| ODI |
0 |
9 |
20 |
109 |
114 |
201 |
47 |
0 |
| CDI |
0 |
0 |
10 |
57 |
92 |
407 |
217 |
0 |
| VCDI |
0 |
0 |
3 |
15 |
62 |
650 |
5091 |
2865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18739 |
5797 |
490 |
343 |
81 |
23 |
14 |
0 |
| OW |
1 |
140 |
64 |
66 |
31 |
20 |
4 |
0 |
| VODI |
1 |
147 |
95 |
100 |
43 |
48 |
15 |
0 |
| ODI |
0 |
85 |
92 |
117 |
47 |
73 |
38 |
0 |
| CDI |
0 |
80 |
81 |
145 |
128 |
168 |
138 |
0 |
| VCDI |
0 |
88 |
160 |
268 |
285 |
1128 |
5171 |
2865 |
|
Date: 2013-11-06:
| 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 |
18483 |
6138 |
485 |
194 |
30 |
33 |
1 |
0 |
| OW |
29 |
546 |
206 |
197 |
67 |
11 |
9 |
0 |
| VODI |
0 |
175 |
163 |
290 |
164 |
37 |
11 |
0 |
| ODI |
0 |
45 |
42 |
139 |
183 |
161 |
38 |
0 |
| CDI |
0 |
20 |
29 |
59 |
155 |
420 |
152 |
0 |
| VCDI |
0 |
4 |
61 |
61 |
147 |
767 |
4731 |
2936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18512 |
5934 |
535 |
463 |
209 |
116 |
18 |
0 |
| OW |
0 |
200 |
33 |
49 |
48 |
26 |
8 |
0 |
| VODI |
0 |
199 |
57 |
74 |
50 |
45 |
23 |
0 |
| ODI |
0 |
149 |
46 |
50 |
51 |
79 |
40 |
0 |
| CDI |
0 |
127 |
65 |
73 |
52 |
136 |
101 |
0 |
| VCDI |
0 |
319 |
250 |
231 |
336 |
1027 |
4752 |
2936 |
|
Date: 2013-11-08:
| 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 |
16880 |
6417 |
824 |
393 |
59 |
25 |
7 |
0 |
| OW |
25 |
1016 |
140 |
152 |
59 |
32 |
2 |
0 |
| VODI |
0 |
558 |
200 |
255 |
112 |
48 |
8 |
0 |
| ODI |
0 |
70 |
131 |
153 |
161 |
108 |
40 |
0 |
| CDI |
0 |
23 |
57 |
137 |
165 |
203 |
267 |
0 |
| VCDI |
0 |
10 |
55 |
173 |
329 |
696 |
4470 |
2959 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16905 |
6985 |
940 |
688 |
225 |
148 |
35 |
0 |
| OW |
0 |
210 |
43 |
30 |
28 |
35 |
12 |
0 |
| VODI |
0 |
249 |
54 |
62 |
54 |
39 |
13 |
0 |
| ODI |
0 |
155 |
41 |
62 |
46 |
69 |
37 |
0 |
| CDI |
0 |
148 |
53 |
77 |
77 |
111 |
124 |
0 |
| VCDI |
0 |
347 |
276 |
344 |
455 |
710 |
4573 |
2959 |
|
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