Validation of sea ice concentration
Bulletin date: 2015-03-12
Model vs. observations, sea ice class contingency tables
Date: 2015-03-06:
| 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 |
13717 |
5674 |
478 |
133 |
34 |
13 |
10 |
0 |
| OW |
0 |
225 |
252 |
182 |
86 |
36 |
32 |
0 |
| VODI |
0 |
117 |
194 |
194 |
133 |
77 |
92 |
0 |
| ODI |
0 |
54 |
87 |
113 |
120 |
84 |
180 |
0 |
| CDI |
0 |
45 |
85 |
100 |
134 |
162 |
484 |
0 |
| VCDI |
0 |
34 |
184 |
299 |
287 |
361 |
8396 |
4179 |
|
...date precedes bulletin
|
Date: 2015-03-10:
| 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 |
14300 |
5807 |
523 |
184 |
22 |
7 |
9 |
0 |
| OW |
0 |
267 |
237 |
316 |
59 |
30 |
20 |
0 |
| VODI |
0 |
87 |
204 |
259 |
123 |
75 |
55 |
0 |
| ODI |
0 |
71 |
167 |
193 |
113 |
103 |
143 |
2 |
| CDI |
0 |
12 |
109 |
255 |
209 |
202 |
530 |
7 |
| VCDI |
0 |
0 |
31 |
265 |
330 |
445 |
7895 |
3401 |
|
...date precedes bulletin
|
Date: 2015-03-12:
| 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 |
14105 |
5634 |
422 |
96 |
5 |
0 |
0 |
0 |
| OW |
0 |
336 |
315 |
200 |
72 |
19 |
24 |
0 |
| VODI |
0 |
142 |
261 |
339 |
170 |
49 |
32 |
0 |
| ODI |
0 |
51 |
124 |
147 |
129 |
89 |
153 |
0 |
| CDI |
0 |
9 |
116 |
183 |
181 |
172 |
562 |
6 |
| VCDI |
0 |
0 |
35 |
225 |
436 |
601 |
8128 |
3499 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14105 |
5618 |
446 |
116 |
6 |
1 |
2 |
0 |
| OW |
0 |
342 |
300 |
202 |
69 |
17 |
20 |
0 |
| VODI |
0 |
141 |
265 |
330 |
185 |
51 |
36 |
0 |
| ODI |
0 |
55 |
104 |
141 |
122 |
105 |
161 |
0 |
| CDI |
0 |
15 |
120 |
176 |
189 |
161 |
513 |
5 |
| VCDI |
0 |
1 |
38 |
225 |
422 |
595 |
8167 |
3500 |
|
Date: 2015-03-16:
| 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 |
14574 |
6028 |
334 |
180 |
69 |
27 |
1 |
0 |
| OW |
0 |
227 |
160 |
188 |
98 |
96 |
25 |
0 |
| VODI |
0 |
105 |
134 |
123 |
120 |
158 |
140 |
0 |
| ODI |
0 |
54 |
83 |
118 |
90 |
191 |
251 |
0 |
| CDI |
0 |
35 |
37 |
88 |
131 |
319 |
1045 |
20 |
| VCDI |
0 |
0 |
14 |
62 |
193 |
640 |
6145 |
4764 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14574 |
5517 |
205 |
93 |
25 |
7 |
0 |
0 |
| OW |
0 |
422 |
163 |
109 |
53 |
34 |
6 |
0 |
| VODI |
0 |
205 |
150 |
203 |
131 |
158 |
71 |
0 |
| ODI |
0 |
91 |
75 |
110 |
103 |
141 |
178 |
0 |
| CDI |
0 |
90 |
90 |
100 |
93 |
249 |
610 |
27 |
| VCDI |
0 |
124 |
79 |
144 |
296 |
842 |
6742 |
4757 |
|
Date: 2015-03-18:
| 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 |
14334 |
5913 |
504 |
143 |
29 |
6 |
0 |
0 |
| OW |
0 |
165 |
269 |
158 |
65 |
21 |
0 |
0 |
| VODI |
0 |
75 |
196 |
253 |
162 |
82 |
9 |
0 |
| ODI |
0 |
29 |
91 |
143 |
142 |
155 |
57 |
0 |
| CDI |
0 |
7 |
84 |
215 |
254 |
329 |
360 |
12 |
| VCDI |
0 |
0 |
22 |
188 |
561 |
2198 |
5808 |
4028 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14334 |
5263 |
356 |
95 |
20 |
5 |
0 |
0 |
| OW |
0 |
411 |
187 |
93 |
41 |
20 |
0 |
0 |
| VODI |
0 |
284 |
259 |
191 |
95 |
48 |
20 |
0 |
| ODI |
0 |
102 |
105 |
181 |
124 |
77 |
48 |
0 |
| CDI |
0 |
81 |
130 |
178 |
239 |
282 |
248 |
17 |
| VCDI |
0 |
48 |
129 |
362 |
694 |
2359 |
5918 |
4023 |
|
Date: 2015-03-20:
| 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 |
13257 |
6054 |
811 |
186 |
39 |
5 |
0 |
0 |
| OW |
0 |
132 |
276 |
179 |
71 |
9 |
1 |
0 |
| VODI |
0 |
40 |
161 |
224 |
194 |
41 |
29 |
0 |
| ODI |
0 |
15 |
85 |
96 |
210 |
98 |
54 |
1 |
| CDI |
0 |
7 |
94 |
130 |
207 |
245 |
215 |
15 |
| VCDI |
0 |
0 |
49 |
123 |
372 |
1131 |
7492 |
4719 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13257 |
5664 |
628 |
153 |
26 |
1 |
0 |
0 |
| OW |
0 |
242 |
131 |
123 |
73 |
10 |
2 |
0 |
| VODI |
0 |
227 |
336 |
185 |
176 |
61 |
12 |
0 |
| ODI |
0 |
44 |
118 |
133 |
147 |
85 |
52 |
2 |
| CDI |
0 |
35 |
118 |
124 |
209 |
255 |
189 |
12 |
| VCDI |
0 |
36 |
145 |
220 |
462 |
1117 |
7536 |
4721 |
|
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