Validation of sea ice concentration
Bulletin date: 2012-04-18
Model vs. observations, sea ice class contingency tables
Date: 2012-04-12:
| 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 |
13863 |
6436 |
642 |
370 |
161 |
48 |
2 |
0 |
| OW |
0 |
90 |
109 |
147 |
143 |
103 |
16 |
0 |
| VODI |
0 |
89 |
96 |
111 |
171 |
240 |
76 |
0 |
| ODI |
0 |
59 |
74 |
119 |
161 |
310 |
114 |
0 |
| CDI |
0 |
1 |
29 |
87 |
203 |
527 |
480 |
0 |
| VCDI |
0 |
0 |
1 |
25 |
158 |
1495 |
6843 |
3820 |
|
...date precedes bulletin
|
Date: 2012-04-16:
| 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 |
12826 |
6510 |
726 |
505 |
244 |
64 |
4 |
0 |
| OW |
0 |
96 |
120 |
161 |
142 |
98 |
15 |
0 |
| VODI |
0 |
36 |
51 |
208 |
280 |
226 |
63 |
0 |
| ODI |
0 |
5 |
5 |
99 |
237 |
302 |
122 |
0 |
| CDI |
0 |
0 |
1 |
51 |
290 |
428 |
533 |
6 |
| VCDI |
0 |
0 |
0 |
33 |
334 |
1522 |
6974 |
4102 |
|
...date precedes bulletin
|
Date: 2012-04-18:
| 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 |
13085 |
6497 |
541 |
722 |
187 |
25 |
10 |
0 |
| OW |
0 |
10 |
52 |
266 |
246 |
58 |
15 |
0 |
| VODI |
0 |
1 |
5 |
160 |
341 |
289 |
53 |
0 |
| ODI |
0 |
0 |
0 |
29 |
159 |
339 |
293 |
5 |
| CDI |
0 |
0 |
0 |
27 |
87 |
428 |
805 |
77 |
| VCDI |
0 |
0 |
1 |
26 |
84 |
637 |
7457 |
4402 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13085 |
6335 |
447 |
686 |
307 |
174 |
256 |
0 |
| OW |
0 |
51 |
38 |
90 |
61 |
38 |
57 |
0 |
| VODI |
0 |
62 |
49 |
118 |
120 |
100 |
166 |
0 |
| ODI |
0 |
43 |
36 |
89 |
142 |
168 |
177 |
4 |
| CDI |
0 |
17 |
28 |
191 |
241 |
325 |
590 |
63 |
| VCDI |
0 |
0 |
1 |
56 |
233 |
971 |
7387 |
4417 |
|
Date: 2012-04-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-04-24:
| 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 |
13857 |
6010 |
336 |
267 |
110 |
53 |
23 |
0 |
| OW |
0 |
267 |
96 |
187 |
98 |
68 |
36 |
0 |
| VODI |
0 |
38 |
55 |
206 |
261 |
187 |
93 |
0 |
| ODI |
0 |
7 |
16 |
95 |
196 |
219 |
107 |
0 |
| CDI |
0 |
0 |
0 |
90 |
310 |
562 |
485 |
0 |
| VCDI |
0 |
0 |
1 |
57 |
265 |
1405 |
7310 |
4046 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13857 |
5863 |
378 |
432 |
273 |
365 |
214 |
0 |
| OW |
0 |
93 |
26 |
62 |
50 |
65 |
47 |
0 |
| VODI |
0 |
85 |
26 |
89 |
134 |
122 |
79 |
0 |
| ODI |
0 |
68 |
10 |
60 |
133 |
128 |
95 |
0 |
| CDI |
0 |
136 |
12 |
57 |
186 |
368 |
403 |
0 |
| VCDI |
0 |
77 |
52 |
202 |
464 |
1446 |
7216 |
4046 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13598 |
6047 |
490 |
646 |
317 |
327 |
234 |
0 |
| OW |
0 |
80 |
25 |
72 |
38 |
74 |
59 |
0 |
| VODI |
0 |
89 |
42 |
88 |
75 |
93 |
75 |
0 |
| ODI |
0 |
75 |
25 |
55 |
110 |
100 |
82 |
0 |
| CDI |
0 |
123 |
38 |
37 |
142 |
280 |
288 |
5 |
| VCDI |
0 |
45 |
117 |
172 |
546 |
1521 |
7118 |
4071 |
|
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