Validation of sea ice concentration
Bulletin date: 2012-10-18
Model vs. observations, sea ice class contingency tables
Date: 2012-10-12:
| 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 |
24517 |
4673 |
294 |
164 |
54 |
18 |
0 |
0 |
| OW |
1 |
234 |
44 |
39 |
96 |
26 |
0 |
0 |
| VODI |
0 |
49 |
62 |
54 |
145 |
99 |
1 |
0 |
| ODI |
0 |
0 |
13 |
32 |
50 |
225 |
9 |
0 |
| CDI |
0 |
0 |
0 |
11 |
62 |
313 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
71 |
607 |
3447 |
1968 |
|
...date precedes bulletin
|
Date: 2012-10-16:
| 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 |
23796 |
5081 |
368 |
316 |
166 |
38 |
0 |
0 |
| OW |
3 |
16 |
6 |
61 |
85 |
58 |
0 |
0 |
| VODI |
0 |
6 |
2 |
25 |
89 |
155 |
0 |
0 |
| ODI |
0 |
0 |
0 |
9 |
46 |
232 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
42 |
509 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
116 |
917 |
3253 |
1985 |
|
...date precedes bulletin
|
Date: 2012-10-18:
| 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 |
23699 |
5097 |
363 |
318 |
129 |
6 |
0 |
0 |
| OW |
25 |
40 |
25 |
63 |
91 |
42 |
0 |
0 |
| VODI |
1 |
6 |
15 |
38 |
78 |
138 |
6 |
0 |
| ODI |
0 |
1 |
7 |
12 |
56 |
161 |
15 |
0 |
| CDI |
0 |
0 |
2 |
9 |
57 |
299 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
59 |
64 |
474 |
3724 |
2190 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23725 |
5106 |
366 |
342 |
249 |
183 |
24 |
0 |
| OW |
0 |
22 |
13 |
28 |
27 |
44 |
7 |
0 |
| VODI |
0 |
13 |
13 |
32 |
27 |
85 |
5 |
0 |
| ODI |
0 |
2 |
9 |
14 |
20 |
99 |
14 |
0 |
| CDI |
0 |
1 |
10 |
17 |
58 |
130 |
55 |
0 |
| VCDI |
0 |
0 |
1 |
66 |
94 |
579 |
3749 |
2190 |
|
Date: 2012-10-22:
| 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 |
23571 |
5126 |
436 |
287 |
90 |
4 |
0 |
0 |
| OW |
106 |
27 |
63 |
102 |
43 |
22 |
0 |
0 |
| VODI |
58 |
8 |
16 |
88 |
90 |
33 |
5 |
0 |
| ODI |
1 |
1 |
3 |
23 |
95 |
66 |
30 |
0 |
| CDI |
0 |
0 |
3 |
12 |
97 |
283 |
145 |
0 |
| VCDI |
0 |
0 |
0 |
66 |
57 |
474 |
3639 |
2249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23734 |
5054 |
399 |
319 |
221 |
131 |
2 |
0 |
| OW |
1 |
29 |
14 |
27 |
21 |
30 |
1 |
0 |
| VODI |
1 |
24 |
38 |
41 |
24 |
41 |
3 |
0 |
| ODI |
0 |
16 |
17 |
29 |
25 |
36 |
7 |
0 |
| CDI |
0 |
20 |
30 |
39 |
35 |
98 |
29 |
0 |
| VCDI |
0 |
19 |
23 |
123 |
146 |
546 |
3777 |
2249 |
|
Date: 2012-10-24:
| 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 |
22449 |
5598 |
525 |
368 |
154 |
25 |
0 |
0 |
| OW |
0 |
78 |
88 |
117 |
58 |
73 |
0 |
0 |
| VODI |
0 |
16 |
30 |
81 |
122 |
114 |
7 |
0 |
| ODI |
0 |
0 |
4 |
23 |
85 |
134 |
23 |
0 |
| CDI |
0 |
0 |
4 |
19 |
74 |
231 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
90 |
181 |
728 |
3536 |
2301 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22449 |
5640 |
511 |
488 |
308 |
254 |
0 |
0 |
| OW |
0 |
13 |
26 |
15 |
43 |
35 |
0 |
0 |
| VODI |
0 |
18 |
38 |
18 |
42 |
50 |
0 |
0 |
| ODI |
0 |
11 |
24 |
23 |
30 |
62 |
2 |
0 |
| CDI |
0 |
6 |
23 |
27 |
67 |
107 |
14 |
0 |
| VCDI |
0 |
4 |
29 |
127 |
184 |
797 |
3633 |
2301 |
|
Date: 2012-10-26:
| 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 |
21426 |
6457 |
478 |
333 |
148 |
28 |
0 |
0 |
| OW |
0 |
245 |
73 |
94 |
58 |
28 |
0 |
0 |
| VODI |
0 |
56 |
88 |
100 |
118 |
80 |
2 |
0 |
| ODI |
0 |
4 |
40 |
38 |
88 |
125 |
4 |
0 |
| CDI |
0 |
1 |
10 |
39 |
134 |
176 |
22 |
0 |
| VCDI |
0 |
0 |
5 |
101 |
214 |
893 |
2860 |
2853 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21426 |
6613 |
496 |
433 |
310 |
257 |
5 |
0 |
| OW |
0 |
23 |
28 |
10 |
17 |
52 |
0 |
0 |
| VODI |
0 |
40 |
38 |
20 |
25 |
73 |
0 |
0 |
| ODI |
0 |
27 |
23 |
20 |
32 |
41 |
1 |
0 |
| CDI |
0 |
15 |
23 |
33 |
76 |
76 |
9 |
0 |
| VCDI |
0 |
45 |
86 |
189 |
300 |
831 |
2873 |
2853 |
|
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