Validation of sea ice concentration
Bulletin date: 2012-01-04
Model vs. observations, sea ice class contingency tables
Date: 2011-12-29:
| 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 |
15681 |
6680 |
578 |
320 |
96 |
22 |
0 |
0 |
| OW |
0 |
377 |
160 |
330 |
98 |
63 |
0 |
0 |
| VODI |
0 |
175 |
83 |
307 |
293 |
163 |
43 |
0 |
| ODI |
0 |
29 |
56 |
128 |
300 |
404 |
209 |
0 |
| CDI |
0 |
0 |
0 |
10 |
147 |
574 |
423 |
17 |
| VCDI |
0 |
0 |
0 |
6 |
108 |
1060 |
5374 |
3105 |
|
...date precedes bulletin
|
Date: 2012-01-02:
| 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 |
14607 |
6886 |
654 |
149 |
23 |
3 |
4 |
0 |
| OW |
0 |
354 |
243 |
165 |
65 |
46 |
17 |
0 |
| VODI |
0 |
121 |
209 |
199 |
202 |
250 |
140 |
0 |
| ODI |
0 |
32 |
60 |
194 |
240 |
297 |
352 |
3 |
| CDI |
0 |
21 |
27 |
70 |
165 |
429 |
572 |
28 |
| VCDI |
0 |
5 |
23 |
75 |
123 |
693 |
5308 |
4365 |
|
...date precedes bulletin
|
Date: 2012-01-04:
| 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 |
15290 |
7105 |
557 |
221 |
44 |
3 |
4 |
0 |
| OW |
0 |
253 |
277 |
247 |
127 |
26 |
1 |
0 |
| VODI |
0 |
57 |
118 |
213 |
313 |
225 |
42 |
1 |
| ODI |
0 |
1 |
72 |
77 |
354 |
570 |
254 |
3 |
| CDI |
0 |
0 |
56 |
52 |
193 |
599 |
1075 |
3 |
| VCDI |
0 |
0 |
0 |
12 |
103 |
629 |
4335 |
3907 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15290 |
6958 |
554 |
307 |
300 |
155 |
137 |
0 |
| OW |
0 |
79 |
87 |
77 |
52 |
38 |
48 |
0 |
| VODI |
0 |
72 |
94 |
79 |
100 |
71 |
75 |
1 |
| ODI |
0 |
50 |
47 |
77 |
82 |
134 |
103 |
3 |
| CDI |
0 |
115 |
70 |
100 |
110 |
281 |
355 |
2 |
| VCDI |
0 |
142 |
228 |
182 |
490 |
1373 |
4993 |
3908 |
|
Date: 2012-01-08:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-01-10:
| 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 |
14512 |
6963 |
544 |
197 |
104 |
61 |
4 |
0 |
| OW |
0 |
253 |
189 |
165 |
103 |
143 |
13 |
0 |
| VODI |
0 |
134 |
149 |
156 |
149 |
304 |
32 |
0 |
| ODI |
0 |
35 |
82 |
93 |
108 |
389 |
169 |
2 |
| CDI |
0 |
21 |
45 |
105 |
101 |
512 |
301 |
61 |
| VCDI |
0 |
0 |
5 |
27 |
70 |
1405 |
5392 |
4321 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14512 |
7058 |
652 |
379 |
272 |
305 |
118 |
0 |
| OW |
0 |
91 |
49 |
55 |
50 |
68 |
25 |
0 |
| VODI |
0 |
84 |
65 |
50 |
59 |
173 |
32 |
0 |
| ODI |
0 |
47 |
46 |
26 |
34 |
230 |
53 |
6 |
| CDI |
0 |
67 |
63 |
41 |
37 |
285 |
136 |
63 |
| VCDI |
0 |
59 |
139 |
192 |
183 |
1753 |
5547 |
4315 |
|
Date: 2012-01-12:
| 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 |
14707 |
7036 |
614 |
221 |
64 |
41 |
1 |
0 |
| OW |
1 |
205 |
185 |
192 |
113 |
47 |
8 |
0 |
| VODI |
0 |
60 |
110 |
246 |
196 |
129 |
18 |
0 |
| ODI |
0 |
5 |
26 |
118 |
187 |
300 |
86 |
0 |
| CDI |
0 |
0 |
14 |
51 |
134 |
477 |
594 |
25 |
| VCDI |
0 |
0 |
0 |
13 |
52 |
831 |
5895 |
4417 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14708 |
6902 |
594 |
361 |
203 |
159 |
146 |
0 |
| OW |
0 |
97 |
62 |
70 |
65 |
56 |
25 |
0 |
| VODI |
0 |
115 |
53 |
81 |
95 |
111 |
33 |
0 |
| ODI |
0 |
73 |
34 |
45 |
56 |
132 |
80 |
0 |
| CDI |
0 |
63 |
65 |
73 |
75 |
205 |
228 |
14 |
| VCDI |
0 |
56 |
141 |
211 |
252 |
1162 |
6090 |
4428 |
|
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