Validation of sea ice concentration
Bulletin date: 2013-04-25
Model vs. observations, sea ice class contingency tables
Date: 2013-04-19:
| 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 |
12840 |
5703 |
395 |
268 |
142 |
61 |
11 |
0 |
| OW |
0 |
174 |
148 |
111 |
94 |
74 |
28 |
0 |
| VODI |
0 |
66 |
124 |
105 |
144 |
129 |
162 |
0 |
| ODI |
0 |
20 |
49 |
66 |
126 |
174 |
285 |
0 |
| CDI |
0 |
0 |
23 |
57 |
117 |
316 |
652 |
0 |
| VCDI |
0 |
0 |
3 |
19 |
128 |
794 |
9060 |
4751 |
|
...date precedes bulletin
|
Date: 2013-04-23:
| 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 |
13293 |
5787 |
532 |
286 |
151 |
59 |
1 |
0 |
| OW |
0 |
31 |
116 |
169 |
136 |
91 |
6 |
0 |
| VODI |
0 |
4 |
41 |
204 |
224 |
200 |
97 |
0 |
| ODI |
0 |
0 |
9 |
117 |
181 |
300 |
253 |
0 |
| CDI |
0 |
0 |
6 |
57 |
155 |
537 |
891 |
5 |
| VCDI |
0 |
0 |
0 |
7 |
78 |
489 |
8559 |
4347 |
|
...date precedes bulletin
|
Date: 2013-04-25:
| 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 |
13316 |
5694 |
731 |
286 |
61 |
28 |
3 |
0 |
| OW |
0 |
88 |
244 |
202 |
117 |
42 |
10 |
0 |
| VODI |
0 |
15 |
138 |
281 |
216 |
135 |
106 |
0 |
| ODI |
0 |
3 |
53 |
202 |
291 |
199 |
213 |
0 |
| CDI |
0 |
0 |
38 |
127 |
412 |
337 |
676 |
0 |
| VCDI |
0 |
0 |
5 |
55 |
434 |
765 |
7719 |
4177 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13316 |
5781 |
988 |
554 |
247 |
103 |
46 |
0 |
| OW |
0 |
13 |
69 |
110 |
75 |
47 |
40 |
0 |
| VODI |
0 |
4 |
63 |
159 |
169 |
84 |
80 |
0 |
| ODI |
0 |
2 |
36 |
128 |
200 |
136 |
170 |
0 |
| CDI |
0 |
0 |
36 |
126 |
331 |
317 |
635 |
0 |
| VCDI |
0 |
0 |
17 |
76 |
509 |
819 |
7756 |
4177 |
|
Date: 2013-04-29:
| 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 |
13088 |
5873 |
972 |
514 |
115 |
40 |
0 |
0 |
| OW |
0 |
78 |
297 |
436 |
218 |
41 |
0 |
0 |
| VODI |
0 |
12 |
160 |
333 |
364 |
175 |
73 |
0 |
| ODI |
0 |
4 |
101 |
182 |
271 |
341 |
215 |
0 |
| CDI |
0 |
0 |
59 |
220 |
270 |
501 |
1092 |
0 |
| VCDI |
0 |
0 |
2 |
62 |
133 |
342 |
6809 |
4026 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13088 |
5891 |
1092 |
763 |
330 |
150 |
39 |
0 |
| OW |
0 |
22 |
61 |
93 |
70 |
48 |
20 |
0 |
| VODI |
0 |
14 |
159 |
154 |
129 |
93 |
69 |
0 |
| ODI |
0 |
19 |
93 |
141 |
124 |
143 |
121 |
0 |
| CDI |
0 |
11 |
86 |
210 |
255 |
398 |
644 |
0 |
| VCDI |
0 |
10 |
100 |
386 |
463 |
608 |
7296 |
4026 |
|
Date: 2013-05-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2013-05-03:
| 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 |
13377 |
6125 |
675 |
551 |
114 |
26 |
0 |
0 |
| OW |
0 |
122 |
159 |
315 |
169 |
56 |
11 |
0 |
| VODI |
0 |
41 |
107 |
338 |
237 |
178 |
50 |
0 |
| ODI |
0 |
5 |
56 |
158 |
187 |
260 |
249 |
0 |
| CDI |
0 |
2 |
29 |
186 |
360 |
672 |
1396 |
0 |
| VCDI |
0 |
2 |
14 |
127 |
193 |
658 |
6304 |
3910 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13377 |
6063 |
693 |
746 |
277 |
138 |
40 |
0 |
| OW |
0 |
53 |
34 |
65 |
58 |
43 |
18 |
0 |
| VODI |
0 |
72 |
50 |
93 |
99 |
72 |
53 |
0 |
| ODI |
0 |
31 |
68 |
126 |
101 |
123 |
136 |
0 |
| CDI |
0 |
51 |
114 |
265 |
285 |
560 |
984 |
1 |
| VCDI |
0 |
27 |
81 |
380 |
440 |
914 |
6779 |
3909 |
|
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