Validation of sea ice concentration
Bulletin date: 2015-12-03
Model vs. observations, sea ice class contingency tables
Date: 2015-11-27:
| 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 |
17455 |
6014 |
461 |
168 |
50 |
50 |
171 |
0 |
| OW |
2 |
337 |
222 |
77 |
70 |
14 |
18 |
0 |
| VODI |
0 |
235 |
299 |
187 |
236 |
71 |
16 |
0 |
| ODI |
0 |
96 |
145 |
151 |
470 |
419 |
143 |
0 |
| CDI |
0 |
0 |
56 |
62 |
151 |
571 |
407 |
19 |
| VCDI |
0 |
0 |
27 |
64 |
92 |
271 |
3463 |
4307 |
|
...date precedes bulletin
|
Date: 2015-12-01:
| 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 |
17841 |
5984 |
589 |
186 |
50 |
39 |
69 |
0 |
| OW |
5 |
335 |
171 |
113 |
60 |
28 |
109 |
0 |
| VODI |
0 |
175 |
141 |
150 |
109 |
56 |
77 |
0 |
| ODI |
0 |
22 |
58 |
90 |
119 |
97 |
151 |
2 |
| CDI |
0 |
7 |
51 |
46 |
89 |
128 |
524 |
54 |
| VCDI |
0 |
0 |
11 |
72 |
85 |
229 |
4870 |
4075 |
|
...date precedes bulletin
|
Date: 2015-12-03:
| 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 |
17367 |
6278 |
534 |
114 |
62 |
8 |
93 |
0 |
| OW |
6 |
413 |
241 |
98 |
61 |
18 |
40 |
0 |
| VODI |
0 |
151 |
213 |
134 |
130 |
67 |
20 |
0 |
| ODI |
0 |
6 |
116 |
98 |
163 |
167 |
52 |
0 |
| CDI |
0 |
0 |
55 |
52 |
129 |
201 |
215 |
25 |
| VCDI |
0 |
0 |
52 |
84 |
119 |
256 |
5494 |
3735 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17372 |
6350 |
547 |
126 |
65 |
12 |
119 |
0 |
| OW |
1 |
328 |
219 |
89 |
59 |
18 |
14 |
0 |
| VODI |
0 |
160 |
210 |
131 |
142 |
76 |
18 |
0 |
| ODI |
0 |
9 |
112 |
94 |
149 |
166 |
54 |
0 |
| CDI |
0 |
1 |
74 |
54 |
145 |
205 |
245 |
24 |
| VCDI |
0 |
0 |
49 |
86 |
104 |
240 |
5464 |
3736 |
|
Date: 2015-12-07:
| 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 |
17286 |
6576 |
590 |
102 |
29 |
21 |
42 |
0 |
| OW |
25 |
588 |
208 |
107 |
38 |
31 |
70 |
0 |
| VODI |
0 |
153 |
209 |
179 |
154 |
80 |
125 |
0 |
| ODI |
0 |
20 |
41 |
101 |
186 |
133 |
140 |
0 |
| CDI |
0 |
10 |
23 |
73 |
184 |
169 |
338 |
22 |
| VCDI |
0 |
0 |
3 |
37 |
234 |
436 |
4628 |
3676 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17252 |
6072 |
398 |
49 |
21 |
22 |
132 |
0 |
| OW |
54 |
470 |
134 |
57 |
19 |
25 |
38 |
0 |
| VODI |
5 |
488 |
143 |
92 |
55 |
43 |
38 |
0 |
| ODI |
0 |
195 |
162 |
90 |
76 |
51 |
82 |
0 |
| CDI |
0 |
69 |
140 |
122 |
149 |
95 |
219 |
19 |
| VCDI |
0 |
53 |
97 |
189 |
505 |
634 |
4834 |
3679 |
|
Date: 2015-12-09:
| 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 |
16248 |
6979 |
484 |
104 |
28 |
15 |
23 |
0 |
| OW |
1 |
325 |
203 |
82 |
63 |
32 |
64 |
0 |
| VODI |
0 |
422 |
273 |
112 |
96 |
87 |
34 |
0 |
| ODI |
0 |
60 |
170 |
128 |
127 |
131 |
110 |
0 |
| CDI |
0 |
6 |
61 |
113 |
223 |
210 |
290 |
2 |
| VCDI |
0 |
0 |
6 |
16 |
157 |
552 |
5624 |
3406 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16249 |
6703 |
412 |
92 |
17 |
27 |
70 |
0 |
| OW |
0 |
399 |
111 |
47 |
25 |
10 |
20 |
0 |
| VODI |
0 |
524 |
207 |
73 |
59 |
51 |
27 |
0 |
| ODI |
0 |
117 |
213 |
84 |
80 |
90 |
62 |
0 |
| CDI |
0 |
29 |
155 |
123 |
141 |
124 |
217 |
2 |
| VCDI |
0 |
20 |
99 |
136 |
372 |
725 |
5749 |
3406 |
|
Date: 2015-12-11:
| 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 |
15673 |
6861 |
641 |
133 |
38 |
26 |
41 |
0 |
| OW |
0 |
261 |
207 |
77 |
47 |
28 |
45 |
0 |
| VODI |
0 |
292 |
209 |
103 |
89 |
45 |
47 |
0 |
| ODI |
0 |
223 |
231 |
133 |
95 |
71 |
57 |
0 |
| CDI |
0 |
18 |
88 |
187 |
258 |
202 |
218 |
0 |
| VCDI |
0 |
0 |
38 |
67 |
248 |
561 |
6692 |
2817 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15673 |
6682 |
576 |
116 |
42 |
34 |
55 |
0 |
| OW |
0 |
309 |
165 |
54 |
28 |
13 |
23 |
0 |
| VODI |
0 |
365 |
227 |
85 |
43 |
42 |
44 |
0 |
| ODI |
0 |
206 |
163 |
94 |
95 |
43 |
38 |
0 |
| CDI |
0 |
81 |
150 |
108 |
105 |
108 |
143 |
0 |
| VCDI |
0 |
12 |
133 |
243 |
462 |
693 |
6797 |
2817 |
|
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