Validation of sea ice concentration
Bulletin date: 2013-12-05
Model vs. observations, sea ice class contingency tables
Date: 2013-11-29:
| 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 |
15430 |
5955 |
561 |
315 |
66 |
39 |
21 |
0 |
| OW |
0 |
276 |
144 |
98 |
49 |
48 |
14 |
0 |
| VODI |
0 |
178 |
192 |
155 |
75 |
81 |
12 |
0 |
| ODI |
0 |
110 |
147 |
183 |
126 |
124 |
30 |
0 |
| CDI |
0 |
68 |
148 |
240 |
314 |
337 |
156 |
0 |
| VCDI |
0 |
13 |
83 |
239 |
354 |
1383 |
5476 |
4179 |
|
...date precedes bulletin
|
Date: 2013-12-03:
| 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 |
15581 |
6067 |
344 |
215 |
58 |
23 |
18 |
0 |
| OW |
13 |
272 |
181 |
107 |
49 |
30 |
11 |
0 |
| VODI |
0 |
157 |
202 |
158 |
95 |
75 |
20 |
0 |
| ODI |
0 |
63 |
80 |
133 |
100 |
127 |
43 |
0 |
| CDI |
0 |
14 |
90 |
110 |
174 |
327 |
150 |
4 |
| VCDI |
0 |
0 |
34 |
123 |
353 |
1613 |
5834 |
4371 |
|
...date precedes bulletin
|
Date: 2013-12-05:
| 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 |
14660 |
5960 |
613 |
360 |
54 |
16 |
28 |
0 |
| OW |
14 |
230 |
148 |
163 |
54 |
11 |
26 |
0 |
| VODI |
0 |
184 |
153 |
227 |
117 |
21 |
28 |
0 |
| ODI |
0 |
61 |
93 |
155 |
161 |
76 |
64 |
0 |
| CDI |
0 |
22 |
103 |
138 |
157 |
221 |
237 |
17 |
| VCDI |
0 |
0 |
90 |
221 |
380 |
1300 |
6573 |
4283 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14674 |
6214 |
756 |
494 |
76 |
30 |
59 |
0 |
| OW |
0 |
83 |
76 |
109 |
38 |
3 |
14 |
0 |
| VODI |
0 |
81 |
100 |
158 |
104 |
10 |
18 |
0 |
| ODI |
0 |
54 |
73 |
137 |
120 |
56 |
59 |
0 |
| CDI |
0 |
23 |
84 |
116 |
167 |
214 |
253 |
15 |
| VCDI |
0 |
2 |
111 |
250 |
418 |
1332 |
6553 |
4285 |
|
Date: 2013-12-09:
| 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 |
14287 |
6446 |
670 |
286 |
129 |
81 |
8 |
0 |
| OW |
3 |
126 |
121 |
154 |
86 |
69 |
15 |
0 |
| VODI |
0 |
102 |
126 |
243 |
116 |
156 |
33 |
0 |
| ODI |
0 |
3 |
43 |
145 |
78 |
294 |
82 |
0 |
| CDI |
0 |
0 |
24 |
126 |
151 |
447 |
310 |
11 |
| VCDI |
0 |
0 |
8 |
117 |
194 |
1492 |
6159 |
4478 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14289 |
6381 |
654 |
328 |
104 |
114 |
26 |
0 |
| OW |
1 |
76 |
69 |
91 |
43 |
33 |
8 |
0 |
| VODI |
0 |
97 |
70 |
127 |
61 |
92 |
24 |
0 |
| ODI |
0 |
60 |
43 |
93 |
59 |
111 |
58 |
0 |
| CDI |
0 |
35 |
77 |
97 |
83 |
269 |
220 |
16 |
| VCDI |
0 |
28 |
79 |
335 |
404 |
1920 |
6271 |
4473 |
|
Date: 2013-12-11:
| 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 |
14848 |
6280 |
337 |
159 |
53 |
16 |
23 |
0 |
| OW |
17 |
191 |
155 |
104 |
43 |
20 |
29 |
0 |
| VODI |
17 |
96 |
127 |
180 |
116 |
86 |
43 |
0 |
| ODI |
3 |
105 |
81 |
164 |
110 |
128 |
74 |
0 |
| CDI |
0 |
17 |
83 |
110 |
168 |
363 |
273 |
17 |
| VCDI |
0 |
0 |
21 |
93 |
177 |
1093 |
7298 |
4101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14870 |
6250 |
330 |
181 |
57 |
24 |
67 |
0 |
| OW |
7 |
105 |
85 |
53 |
28 |
10 |
12 |
0 |
| VODI |
8 |
97 |
122 |
84 |
54 |
31 |
38 |
0 |
| ODI |
0 |
85 |
61 |
154 |
78 |
66 |
70 |
1 |
| CDI |
0 |
63 |
54 |
110 |
121 |
237 |
254 |
18 |
| VCDI |
0 |
89 |
152 |
228 |
329 |
1338 |
7299 |
4099 |
|
Date: 2013-12-13:
| 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 |
14684 |
6256 |
332 |
140 |
51 |
23 |
12 |
0 |
| OW |
0 |
211 |
124 |
118 |
40 |
16 |
17 |
0 |
| VODI |
0 |
164 |
135 |
140 |
85 |
60 |
40 |
0 |
| ODI |
0 |
74 |
63 |
97 |
121 |
101 |
76 |
0 |
| CDI |
0 |
102 |
63 |
93 |
191 |
217 |
244 |
1 |
| VCDI |
0 |
34 |
108 |
151 |
325 |
1152 |
6784 |
4774 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14684 |
6160 |
338 |
166 |
44 |
32 |
45 |
0 |
| OW |
0 |
131 |
86 |
72 |
23 |
2 |
14 |
0 |
| VODI |
0 |
142 |
83 |
102 |
66 |
16 |
20 |
0 |
| ODI |
0 |
101 |
44 |
59 |
80 |
79 |
87 |
2 |
| CDI |
0 |
107 |
42 |
67 |
151 |
162 |
252 |
12 |
| VCDI |
0 |
200 |
232 |
273 |
449 |
1278 |
6755 |
4761 |
|
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