Validation of sea ice concentration
Bulletin date: 2012-05-02
Model vs. observations, sea ice class contingency tables
Date: 2012-04-26:
| 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 |
13598 |
6425 |
598 |
544 |
206 |
65 |
22 |
0 |
| OW |
0 |
30 |
95 |
233 |
132 |
95 |
14 |
0 |
| VODI |
0 |
2 |
33 |
184 |
159 |
161 |
62 |
0 |
| ODI |
0 |
2 |
11 |
54 |
206 |
240 |
73 |
0 |
| CDI |
0 |
0 |
0 |
37 |
228 |
614 |
401 |
12 |
| VCDI |
0 |
0 |
0 |
18 |
297 |
1220 |
7284 |
4064 |
|
...date precedes bulletin
|
Date: 2012-04-30:
| 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 |
14108 |
5947 |
795 |
453 |
83 |
30 |
10 |
0 |
| OW |
0 |
281 |
150 |
240 |
94 |
50 |
18 |
0 |
| VODI |
0 |
74 |
66 |
265 |
161 |
90 |
50 |
0 |
| ODI |
0 |
42 |
16 |
229 |
194 |
123 |
91 |
4 |
| CDI |
0 |
32 |
3 |
206 |
245 |
359 |
429 |
22 |
| VCDI |
0 |
64 |
15 |
188 |
311 |
1547 |
6176 |
4158 |
|
...date precedes bulletin
|
Date: 2012-05-02:
| 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 |
14454 |
6192 |
862 |
556 |
194 |
36 |
5 |
0 |
| OW |
4 |
43 |
90 |
171 |
320 |
72 |
5 |
0 |
| VODI |
0 |
7 |
36 |
157 |
268 |
282 |
28 |
0 |
| ODI |
0 |
5 |
7 |
84 |
158 |
325 |
146 |
3 |
| CDI |
0 |
3 |
4 |
78 |
182 |
675 |
659 |
18 |
| VCDI |
0 |
0 |
0 |
15 |
70 |
1111 |
5913 |
4181 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14456 |
5979 |
812 |
602 |
425 |
231 |
143 |
0 |
| OW |
1 |
61 |
33 |
38 |
83 |
59 |
44 |
0 |
| VODI |
1 |
60 |
58 |
80 |
109 |
91 |
69 |
0 |
| ODI |
0 |
73 |
36 |
107 |
108 |
131 |
104 |
2 |
| CDI |
0 |
16 |
43 |
101 |
152 |
390 |
378 |
15 |
| VCDI |
0 |
61 |
17 |
133 |
315 |
1599 |
6018 |
4185 |
|
Date: 2012-05-06:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-05-08:
| 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 |
15006 |
6007 |
442 |
249 |
98 |
36 |
1 |
0 |
| OW |
0 |
412 |
253 |
127 |
126 |
60 |
33 |
0 |
| VODI |
0 |
58 |
80 |
145 |
148 |
138 |
112 |
0 |
| ODI |
0 |
20 |
18 |
104 |
111 |
160 |
272 |
0 |
| CDI |
0 |
5 |
5 |
93 |
202 |
664 |
1141 |
2 |
| VCDI |
0 |
0 |
0 |
27 |
293 |
1238 |
7345 |
2188 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15006 |
6242 |
658 |
382 |
255 |
161 |
173 |
0 |
| OW |
0 |
67 |
18 |
34 |
32 |
42 |
50 |
0 |
| VODI |
0 |
52 |
14 |
50 |
49 |
46 |
106 |
0 |
| ODI |
0 |
34 |
20 |
50 |
57 |
65 |
138 |
0 |
| CDI |
0 |
41 |
75 |
115 |
153 |
470 |
963 |
0 |
| VCDI |
0 |
66 |
13 |
114 |
432 |
1512 |
7474 |
2190 |
|
Date: 2012-05-10:
| 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 |
15379 |
6334 |
347 |
488 |
136 |
17 |
4 |
0 |
| OW |
0 |
50 |
75 |
248 |
142 |
71 |
12 |
0 |
| VODI |
0 |
15 |
23 |
151 |
223 |
175 |
59 |
0 |
| ODI |
0 |
5 |
10 |
53 |
184 |
286 |
211 |
0 |
| CDI |
0 |
0 |
1 |
28 |
169 |
788 |
1255 |
9 |
| VCDI |
0 |
0 |
0 |
21 |
66 |
810 |
5303 |
4271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15379 |
6179 |
339 |
457 |
247 |
147 |
192 |
0 |
| OW |
0 |
37 |
18 |
39 |
41 |
49 |
53 |
0 |
| VODI |
0 |
39 |
18 |
65 |
48 |
82 |
89 |
0 |
| ODI |
0 |
21 |
18 |
52 |
65 |
122 |
122 |
0 |
| CDI |
0 |
31 |
27 |
103 |
202 |
553 |
1015 |
28 |
| VCDI |
0 |
97 |
36 |
273 |
317 |
1194 |
5373 |
4252 |
|
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