Validation of sea ice concentration
Bulletin date: 2015-10-01
Model vs. observations, sea ice class contingency tables
Date: 2015-09-25:
| 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 |
24149 |
4634 |
773 |
254 |
67 |
21 |
0 |
0 |
| OW |
0 |
66 |
71 |
50 |
29 |
27 |
2 |
0 |
| VODI |
0 |
17 |
72 |
66 |
34 |
41 |
6 |
0 |
| ODI |
0 |
2 |
33 |
54 |
71 |
60 |
15 |
0 |
| CDI |
0 |
0 |
9 |
26 |
71 |
235 |
147 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
27 |
374 |
3170 |
2389 |
|
...date precedes bulletin
|
Date: 2015-09-29:
| 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 |
23693 |
4913 |
958 |
252 |
193 |
59 |
22 |
0 |
| OW |
0 |
10 |
46 |
62 |
76 |
28 |
29 |
0 |
| VODI |
0 |
1 |
19 |
53 |
82 |
61 |
31 |
0 |
| ODI |
0 |
0 |
13 |
14 |
51 |
92 |
28 |
0 |
| CDI |
0 |
0 |
4 |
13 |
43 |
261 |
213 |
0 |
| VCDI |
0 |
0 |
1 |
3 |
24 |
269 |
2946 |
2504 |
|
...date precedes bulletin
|
Date: 2015-10-01:
| 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 |
23259 |
5002 |
949 |
367 |
253 |
66 |
6 |
0 |
| OW |
0 |
25 |
99 |
30 |
66 |
70 |
11 |
0 |
| VODI |
0 |
1 |
47 |
52 |
83 |
74 |
35 |
0 |
| ODI |
0 |
0 |
11 |
45 |
92 |
60 |
48 |
0 |
| CDI |
0 |
0 |
0 |
26 |
165 |
156 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
148 |
636 |
2612 |
2458 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23259 |
5022 |
977 |
372 |
266 |
83 |
8 |
0 |
| OW |
0 |
4 |
69 |
35 |
61 |
66 |
13 |
0 |
| VODI |
0 |
2 |
47 |
39 |
86 |
60 |
42 |
0 |
| ODI |
0 |
0 |
12 |
45 |
82 |
60 |
45 |
0 |
| CDI |
0 |
0 |
1 |
28 |
153 |
163 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
159 |
630 |
2602 |
2458 |
|
Date: 2015-10-05:
| 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 |
23711 |
4649 |
683 |
259 |
203 |
86 |
9 |
0 |
| OW |
2 |
7 |
83 |
37 |
51 |
48 |
7 |
0 |
| VODI |
0 |
2 |
43 |
91 |
96 |
68 |
10 |
0 |
| ODI |
0 |
0 |
8 |
19 |
91 |
131 |
27 |
0 |
| CDI |
0 |
0 |
3 |
18 |
43 |
190 |
274 |
13 |
| VCDI |
0 |
0 |
0 |
3 |
33 |
134 |
2853 |
3082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23713 |
4628 |
641 |
260 |
227 |
141 |
15 |
0 |
| OW |
0 |
20 |
77 |
37 |
32 |
77 |
13 |
0 |
| VODI |
0 |
4 |
70 |
61 |
87 |
61 |
35 |
0 |
| ODI |
0 |
4 |
13 |
24 |
78 |
80 |
49 |
0 |
| CDI |
0 |
2 |
19 |
39 |
53 |
140 |
190 |
4 |
| VCDI |
0 |
0 |
0 |
6 |
40 |
158 |
2878 |
3091 |
|
Date: 2015-10-07:
| 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 |
23864 |
4780 |
521 |
238 |
148 |
81 |
9 |
0 |
| OW |
0 |
55 |
64 |
47 |
37 |
44 |
14 |
0 |
| VODI |
0 |
2 |
74 |
54 |
75 |
65 |
33 |
0 |
| ODI |
0 |
0 |
18 |
12 |
77 |
99 |
51 |
0 |
| CDI |
0 |
0 |
5 |
25 |
31 |
155 |
248 |
3 |
| VCDI |
0 |
0 |
1 |
9 |
28 |
154 |
3085 |
2861 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23864 |
4721 |
513 |
240 |
165 |
134 |
31 |
0 |
| OW |
0 |
75 |
55 |
31 |
22 |
39 |
35 |
0 |
| VODI |
0 |
31 |
62 |
56 |
52 |
60 |
66 |
0 |
| ODI |
0 |
10 |
21 |
20 |
85 |
87 |
69 |
0 |
| CDI |
0 |
0 |
29 |
22 |
38 |
116 |
199 |
3 |
| VCDI |
0 |
0 |
3 |
16 |
34 |
162 |
3040 |
2861 |
|
Date: 2015-10-09:
| 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 |
24046 |
4919 |
394 |
132 |
74 |
87 |
19 |
0 |
| OW |
0 |
69 |
107 |
48 |
30 |
38 |
32 |
0 |
| VODI |
0 |
21 |
77 |
55 |
46 |
49 |
48 |
0 |
| ODI |
0 |
6 |
25 |
32 |
75 |
90 |
72 |
1 |
| CDI |
0 |
3 |
3 |
28 |
42 |
172 |
308 |
2 |
| VCDI |
0 |
0 |
0 |
2 |
9 |
218 |
2934 |
2754 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24046 |
4871 |
434 |
142 |
90 |
115 |
43 |
0 |
| OW |
0 |
89 |
72 |
42 |
29 |
39 |
54 |
0 |
| VODI |
0 |
37 |
68 |
56 |
56 |
73 |
83 |
0 |
| ODI |
0 |
13 |
25 |
32 |
54 |
123 |
107 |
1 |
| CDI |
0 |
8 |
7 |
24 |
37 |
129 |
315 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
10 |
175 |
2811 |
2754 |
|
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