Validation of sea ice concentration
Bulletin date: 2018-09-13
Model vs. observations, sea ice class contingency tables
Date: 2018-09-07:
| 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 |
24704 |
6469 |
787 |
442 |
78 |
16 |
5 |
0 |
| OW |
0 |
19 |
47 |
130 |
47 |
13 |
7 |
0 |
| VODI |
0 |
3 |
17 |
156 |
160 |
46 |
14 |
0 |
| ODI |
0 |
0 |
3 |
82 |
153 |
119 |
76 |
0 |
| CDI |
0 |
0 |
0 |
4 |
63 |
155 |
1389 |
131 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
21 |
1067 |
1726 |
|
...date precedes bulletin
|
Date: 2018-09-11:
| 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 |
24994 |
5791 |
1082 |
423 |
83 |
20 |
19 |
0 |
| OW |
0 |
0 |
53 |
77 |
72 |
28 |
6 |
0 |
| VODI |
0 |
0 |
23 |
87 |
94 |
78 |
28 |
0 |
| ODI |
0 |
0 |
3 |
60 |
123 |
181 |
210 |
0 |
| CDI |
0 |
0 |
0 |
20 |
46 |
97 |
1265 |
269 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
24 |
1170 |
1725 |
|
...date precedes bulletin
|
Date: 2018-09-13:
| 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 |
25372 |
5655 |
941 |
297 |
82 |
22 |
12 |
0 |
| OW |
0 |
8 |
54 |
82 |
53 |
35 |
5 |
0 |
| VODI |
0 |
1 |
36 |
57 |
87 |
75 |
26 |
0 |
| ODI |
0 |
0 |
11 |
31 |
82 |
251 |
83 |
0 |
| CDI |
0 |
0 |
1 |
9 |
64 |
207 |
934 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
12 |
53 |
1554 |
1966 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25372 |
5657 |
939 |
290 |
82 |
29 |
14 |
0 |
| OW |
0 |
6 |
51 |
72 |
47 |
32 |
2 |
0 |
| VODI |
0 |
1 |
44 |
74 |
85 |
75 |
25 |
0 |
| ODI |
0 |
0 |
9 |
31 |
91 |
255 |
81 |
0 |
| CDI |
0 |
0 |
0 |
10 |
62 |
201 |
813 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
51 |
1679 |
1966 |
|
Date: 2018-09-17:
| 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 |
25544 |
5562 |
885 |
239 |
61 |
12 |
5 |
0 |
| OW |
0 |
0 |
88 |
102 |
42 |
9 |
2 |
0 |
| VODI |
0 |
0 |
28 |
128 |
113 |
38 |
4 |
0 |
| ODI |
0 |
0 |
3 |
63 |
211 |
157 |
41 |
0 |
| CDI |
0 |
0 |
0 |
10 |
66 |
163 |
758 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
18 |
78 |
1718 |
2010 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25544 |
5534 |
867 |
273 |
71 |
12 |
4 |
0 |
| OW |
0 |
23 |
76 |
76 |
45 |
12 |
4 |
0 |
| VODI |
0 |
5 |
49 |
93 |
93 |
37 |
5 |
0 |
| ODI |
0 |
0 |
12 |
68 |
169 |
97 |
34 |
0 |
| CDI |
0 |
0 |
0 |
32 |
111 |
234 |
416 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
22 |
65 |
2065 |
2010 |
|
Date: 2018-09-19:
| 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 |
25569 |
5672 |
755 |
190 |
57 |
10 |
5 |
0 |
| OW |
0 |
1 |
76 |
80 |
54 |
18 |
3 |
0 |
| VODI |
0 |
0 |
29 |
80 |
124 |
38 |
7 |
0 |
| ODI |
0 |
0 |
4 |
66 |
174 |
97 |
35 |
0 |
| CDI |
0 |
0 |
1 |
38 |
134 |
184 |
453 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
57 |
94 |
2074 |
1974 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25569 |
5665 |
731 |
219 |
77 |
16 |
3 |
0 |
| OW |
0 |
8 |
79 |
51 |
55 |
21 |
5 |
0 |
| VODI |
0 |
0 |
48 |
76 |
108 |
41 |
9 |
0 |
| ODI |
0 |
0 |
7 |
65 |
137 |
84 |
50 |
0 |
| CDI |
0 |
0 |
0 |
41 |
166 |
185 |
347 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
57 |
94 |
2163 |
1974 |
|
Date: 2018-09-21:
| 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 |
25593 |
5614 |
681 |
227 |
23 |
9 |
11 |
0 |
| OW |
0 |
7 |
83 |
106 |
25 |
4 |
9 |
0 |
| VODI |
0 |
0 |
48 |
119 |
50 |
32 |
12 |
0 |
| ODI |
0 |
0 |
13 |
72 |
96 |
57 |
41 |
0 |
| CDI |
0 |
0 |
5 |
37 |
143 |
179 |
322 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
7 |
180 |
2149 |
2203 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25593 |
5602 |
681 |
282 |
57 |
26 |
12 |
0 |
| OW |
0 |
18 |
81 |
77 |
29 |
13 |
19 |
0 |
| VODI |
0 |
1 |
52 |
115 |
58 |
40 |
30 |
0 |
| ODI |
0 |
0 |
16 |
70 |
67 |
79 |
90 |
0 |
| CDI |
0 |
0 |
0 |
16 |
120 |
133 |
443 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
13 |
170 |
1950 |
2203 |
|
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