Validation of sea ice concentration
Bulletin date: 2015-09-17
Model vs. observations, sea ice class contingency tables
Date: 2015-09-11:
| 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 |
24255 |
5120 |
467 |
300 |
133 |
58 |
0 |
0 |
| OW |
0 |
94 |
45 |
52 |
79 |
48 |
0 |
0 |
| VODI |
0 |
31 |
45 |
47 |
154 |
91 |
2 |
0 |
| ODI |
0 |
3 |
19 |
52 |
179 |
158 |
11 |
0 |
| CDI |
0 |
0 |
4 |
22 |
96 |
255 |
264 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
155 |
2475 |
2341 |
|
...date precedes bulletin
|
Date: 2015-09-15:
| 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 |
23826 |
4840 |
959 |
356 |
155 |
34 |
0 |
0 |
| OW |
0 |
7 |
101 |
70 |
69 |
18 |
2 |
0 |
| VODI |
0 |
1 |
38 |
81 |
141 |
97 |
3 |
0 |
| ODI |
0 |
0 |
15 |
22 |
157 |
186 |
34 |
0 |
| CDI |
0 |
0 |
0 |
4 |
114 |
258 |
204 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
47 |
129 |
2452 |
2639 |
|
...date precedes bulletin
|
Date: 2015-09-17:
| 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 |
23896 |
4965 |
651 |
361 |
204 |
37 |
0 |
0 |
| OW |
0 |
52 |
76 |
61 |
55 |
22 |
1 |
0 |
| VODI |
0 |
5 |
69 |
71 |
152 |
89 |
9 |
0 |
| ODI |
0 |
0 |
21 |
41 |
154 |
139 |
27 |
0 |
| CDI |
0 |
0 |
3 |
27 |
142 |
299 |
238 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
50 |
158 |
2400 |
2584 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23896 |
4969 |
654 |
372 |
211 |
39 |
1 |
0 |
| OW |
0 |
48 |
68 |
50 |
51 |
23 |
1 |
0 |
| VODI |
0 |
5 |
67 |
67 |
165 |
84 |
2 |
0 |
| ODI |
0 |
0 |
27 |
43 |
132 |
140 |
33 |
0 |
| CDI |
0 |
0 |
4 |
29 |
144 |
303 |
213 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
54 |
155 |
2425 |
2584 |
|
Date: 2015-09-21:
| 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 |
23996 |
4758 |
544 |
450 |
215 |
28 |
2 |
0 |
| OW |
0 |
65 |
52 |
53 |
40 |
41 |
4 |
0 |
| VODI |
0 |
11 |
59 |
60 |
83 |
86 |
1 |
0 |
| ODI |
0 |
0 |
12 |
38 |
80 |
250 |
7 |
0 |
| CDI |
0 |
0 |
2 |
10 |
37 |
472 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
45 |
304 |
2797 |
2398 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23996 |
4713 |
525 |
417 |
216 |
68 |
5 |
0 |
| OW |
0 |
76 |
52 |
56 |
31 |
39 |
4 |
0 |
| VODI |
0 |
40 |
52 |
66 |
68 |
87 |
4 |
0 |
| ODI |
0 |
5 |
31 |
46 |
81 |
236 |
13 |
0 |
| CDI |
0 |
0 |
9 |
25 |
56 |
351 |
86 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
48 |
400 |
2761 |
2398 |
|
Date: 2015-09-23:
| 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 |
24050 |
4661 |
616 |
502 |
131 |
14 |
0 |
0 |
| OW |
0 |
73 |
61 |
54 |
53 |
10 |
0 |
0 |
| VODI |
0 |
25 |
49 |
63 |
91 |
49 |
2 |
0 |
| ODI |
0 |
1 |
20 |
67 |
110 |
88 |
12 |
0 |
| CDI |
0 |
0 |
2 |
14 |
94 |
323 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
51 |
417 |
2955 |
2309 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24050 |
4585 |
599 |
450 |
160 |
24 |
0 |
0 |
| OW |
0 |
91 |
56 |
61 |
32 |
22 |
4 |
0 |
| VODI |
0 |
66 |
47 |
81 |
80 |
31 |
2 |
0 |
| ODI |
0 |
17 |
31 |
62 |
114 |
72 |
16 |
0 |
| CDI |
0 |
1 |
14 |
45 |
90 |
330 |
94 |
0 |
| VCDI |
0 |
0 |
1 |
6 |
54 |
422 |
2948 |
2309 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24149 |
4553 |
719 |
224 |
68 |
36 |
4 |
0 |
| OW |
0 |
93 |
50 |
40 |
24 |
26 |
4 |
0 |
| VODI |
0 |
61 |
88 |
78 |
30 |
38 |
11 |
0 |
| ODI |
0 |
10 |
61 |
46 |
72 |
52 |
22 |
0 |
| CDI |
0 |
2 |
35 |
49 |
63 |
200 |
83 |
0 |
| VCDI |
0 |
0 |
5 |
18 |
42 |
406 |
3216 |
2389 |
|
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