Validation of sea ice concentration
Bulletin date: 2013-01-10
Model vs. observations, sea ice class contingency tables
Date: 2013-01-04:
| 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 |
15004 |
6780 |
656 |
354 |
83 |
6 |
0 |
0 |
| OW |
0 |
202 |
298 |
277 |
259 |
30 |
2 |
0 |
| VODI |
0 |
106 |
187 |
277 |
270 |
147 |
5 |
0 |
| ODI |
0 |
26 |
130 |
193 |
227 |
220 |
66 |
5 |
| CDI |
0 |
10 |
207 |
125 |
270 |
432 |
365 |
47 |
| VCDI |
0 |
0 |
88 |
217 |
395 |
1737 |
4544 |
3172 |
|
...date precedes bulletin
|
Date: 2013-01-08:
| 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 |
14834 |
6833 |
1330 |
433 |
73 |
2 |
0 |
0 |
| OW |
0 |
145 |
213 |
416 |
145 |
22 |
1 |
0 |
| VODI |
0 |
80 |
140 |
375 |
452 |
132 |
18 |
0 |
| ODI |
0 |
115 |
180 |
299 |
332 |
227 |
70 |
0 |
| CDI |
0 |
18 |
13 |
158 |
251 |
399 |
510 |
8 |
| VCDI |
0 |
0 |
3 |
81 |
206 |
608 |
5535 |
2762 |
|
...date precedes bulletin
|
Date: 2013-01-10:
| 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 |
14367 |
6794 |
877 |
568 |
243 |
31 |
0 |
0 |
| OW |
0 |
82 |
214 |
257 |
313 |
34 |
0 |
0 |
| VODI |
0 |
88 |
124 |
257 |
500 |
237 |
2 |
0 |
| ODI |
0 |
55 |
77 |
131 |
405 |
404 |
84 |
0 |
| CDI |
0 |
6 |
48 |
106 |
314 |
579 |
419 |
29 |
| VCDI |
0 |
0 |
5 |
113 |
512 |
920 |
4790 |
3434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14367 |
6856 |
1112 |
902 |
655 |
188 |
8 |
0 |
| OW |
0 |
59 |
58 |
87 |
166 |
80 |
7 |
0 |
| VODI |
0 |
56 |
56 |
116 |
262 |
129 |
15 |
0 |
| ODI |
0 |
28 |
42 |
96 |
303 |
203 |
60 |
0 |
| CDI |
0 |
26 |
73 |
107 |
308 |
549 |
397 |
30 |
| VCDI |
0 |
0 |
4 |
124 |
593 |
1056 |
4808 |
3433 |
|
Date: 2013-01-14:
| 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 |
14279 |
7065 |
849 |
472 |
212 |
51 |
4 |
0 |
| OW |
0 |
93 |
172 |
293 |
255 |
81 |
16 |
0 |
| VODI |
0 |
30 |
121 |
304 |
361 |
135 |
37 |
0 |
| ODI |
0 |
3 |
73 |
162 |
391 |
220 |
86 |
0 |
| CDI |
0 |
1 |
10 |
71 |
238 |
501 |
452 |
12 |
| VCDI |
0 |
0 |
0 |
13 |
215 |
1728 |
6738 |
1675 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14279 |
6986 |
842 |
557 |
353 |
89 |
44 |
0 |
| OW |
0 |
74 |
66 |
83 |
76 |
40 |
15 |
0 |
| VODI |
0 |
54 |
74 |
157 |
132 |
69 |
28 |
0 |
| ODI |
0 |
22 |
53 |
111 |
150 |
76 |
36 |
0 |
| CDI |
0 |
21 |
84 |
138 |
258 |
172 |
185 |
10 |
| VCDI |
0 |
35 |
106 |
269 |
703 |
2270 |
7025 |
1677 |
|
Date: 2013-01-16:
| 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 |
14381 |
6859 |
582 |
343 |
206 |
59 |
0 |
0 |
| OW |
0 |
139 |
144 |
181 |
198 |
85 |
1 |
0 |
| VODI |
0 |
64 |
113 |
248 |
311 |
110 |
16 |
0 |
| ODI |
0 |
16 |
49 |
221 |
230 |
164 |
38 |
0 |
| CDI |
0 |
7 |
35 |
161 |
415 |
405 |
210 |
8 |
| VCDI |
0 |
3 |
13 |
50 |
261 |
1549 |
6888 |
2657 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14381 |
6786 |
587 |
481 |
424 |
163 |
6 |
0 |
| OW |
0 |
96 |
63 |
56 |
63 |
37 |
10 |
0 |
| VODI |
0 |
89 |
75 |
101 |
127 |
66 |
15 |
0 |
| ODI |
0 |
46 |
68 |
89 |
105 |
79 |
26 |
0 |
| CDI |
0 |
38 |
59 |
154 |
223 |
160 |
130 |
8 |
| VCDI |
0 |
33 |
84 |
323 |
679 |
1867 |
6966 |
2657 |
|
Date: 2013-01-18:
| 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 |
14502 |
6600 |
513 |
275 |
102 |
55 |
0 |
0 |
| OW |
0 |
111 |
156 |
239 |
111 |
79 |
0 |
0 |
| VODI |
0 |
38 |
126 |
245 |
230 |
212 |
0 |
0 |
| ODI |
0 |
6 |
53 |
114 |
208 |
278 |
25 |
0 |
| CDI |
0 |
0 |
30 |
98 |
242 |
503 |
155 |
10 |
| VCDI |
0 |
1 |
38 |
86 |
250 |
1707 |
6990 |
3031 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14502 |
6582 |
560 |
360 |
301 |
248 |
0 |
0 |
| OW |
0 |
73 |
60 |
72 |
39 |
60 |
1 |
0 |
| VODI |
0 |
60 |
97 |
111 |
86 |
100 |
3 |
0 |
| ODI |
0 |
24 |
59 |
121 |
102 |
123 |
14 |
0 |
| CDI |
0 |
12 |
41 |
174 |
156 |
234 |
91 |
16 |
| VCDI |
0 |
5 |
99 |
219 |
459 |
2069 |
7061 |
3025 |
|
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