Validation of sea ice concentration
Bulletin date: 2018-08-09
Model vs. observations, sea ice class contingency tables
Date: 2018-08-03:
| 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 |
21442 |
7600 |
1592 |
847 |
522 |
45 |
55 |
0 |
| OW |
0 |
28 |
32 |
116 |
253 |
74 |
34 |
0 |
| VODI |
0 |
4 |
11 |
53 |
289 |
194 |
81 |
0 |
| ODI |
0 |
1 |
1 |
13 |
142 |
234 |
391 |
0 |
| CDI |
0 |
0 |
0 |
0 |
20 |
112 |
1752 |
1060 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
6 |
455 |
690 |
|
...date precedes bulletin
|
Date: 2018-08-07:
| 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 |
23694 |
6091 |
1511 |
684 |
246 |
45 |
41 |
0 |
| OW |
0 |
5 |
74 |
138 |
163 |
61 |
29 |
0 |
| VODI |
0 |
2 |
27 |
184 |
221 |
137 |
73 |
0 |
| ODI |
0 |
0 |
0 |
54 |
150 |
345 |
254 |
0 |
| CDI |
0 |
0 |
0 |
0 |
15 |
190 |
1928 |
87 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
3 |
603 |
1103 |
|
...date precedes bulletin
|
Date: 2018-08-09:
| 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 |
22931 |
7342 |
1152 |
714 |
200 |
50 |
45 |
0 |
| OW |
0 |
57 |
43 |
178 |
159 |
55 |
33 |
0 |
| VODI |
0 |
29 |
47 |
114 |
202 |
163 |
67 |
0 |
| ODI |
0 |
3 |
12 |
54 |
126 |
373 |
192 |
0 |
| CDI |
0 |
0 |
1 |
9 |
18 |
429 |
1765 |
57 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
28 |
762 |
749 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22931 |
7345 |
1156 |
754 |
216 |
48 |
52 |
0 |
| OW |
0 |
53 |
44 |
137 |
143 |
58 |
24 |
0 |
| VODI |
0 |
28 |
41 |
124 |
198 |
171 |
68 |
0 |
| ODI |
0 |
5 |
14 |
52 |
129 |
358 |
210 |
0 |
| CDI |
0 |
0 |
0 |
2 |
19 |
435 |
1798 |
116 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
28 |
712 |
690 |
|
Date: 2018-08-13:
| 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 |
23780 |
7539 |
667 |
377 |
114 |
62 |
42 |
0 |
| OW |
0 |
47 |
44 |
148 |
105 |
52 |
39 |
0 |
| VODI |
0 |
23 |
27 |
137 |
181 |
110 |
71 |
6 |
| ODI |
0 |
0 |
4 |
32 |
176 |
347 |
158 |
48 |
| CDI |
0 |
0 |
0 |
0 |
3 |
345 |
1569 |
85 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
922 |
893 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23780 |
7422 |
668 |
435 |
133 |
79 |
57 |
0 |
| OW |
0 |
93 |
34 |
132 |
124 |
85 |
40 |
0 |
| VODI |
0 |
71 |
20 |
87 |
213 |
155 |
95 |
0 |
| ODI |
0 |
23 |
20 |
39 |
98 |
330 |
261 |
19 |
| CDI |
0 |
0 |
0 |
1 |
11 |
273 |
1991 |
281 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
357 |
732 |
|
Date: 2018-08-15:
| 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 |
24729 |
6522 |
700 |
496 |
91 |
43 |
42 |
0 |
| OW |
0 |
7 |
65 |
190 |
136 |
50 |
27 |
0 |
| VODI |
0 |
0 |
15 |
104 |
193 |
152 |
49 |
0 |
| ODI |
0 |
0 |
0 |
34 |
117 |
311 |
202 |
0 |
| CDI |
0 |
0 |
0 |
0 |
0 |
142 |
2006 |
54 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
450 |
1230 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24729 |
6420 |
684 |
517 |
123 |
43 |
51 |
0 |
| OW |
0 |
53 |
55 |
150 |
147 |
88 |
38 |
0 |
| VODI |
0 |
55 |
25 |
82 |
181 |
175 |
97 |
0 |
| ODI |
0 |
1 |
16 |
72 |
75 |
210 |
498 |
0 |
| CDI |
0 |
0 |
0 |
3 |
11 |
181 |
1834 |
457 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
258 |
827 |
|
Date: 2018-08-17:
| 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 |
25771 |
5413 |
820 |
492 |
73 |
35 |
45 |
0 |
| OW |
0 |
2 |
58 |
223 |
155 |
62 |
24 |
0 |
| VODI |
0 |
0 |
17 |
94 |
198 |
175 |
65 |
0 |
| ODI |
0 |
0 |
0 |
25 |
99 |
248 |
286 |
0 |
| CDI |
0 |
0 |
0 |
0 |
3 |
115 |
2073 |
262 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
248 |
1076 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25771 |
5344 |
779 |
527 |
111 |
38 |
52 |
0 |
| OW |
0 |
50 |
67 |
142 |
154 |
97 |
39 |
0 |
| VODI |
0 |
21 |
38 |
103 |
173 |
150 |
119 |
0 |
| ODI |
0 |
0 |
11 |
58 |
73 |
187 |
498 |
0 |
| CDI |
0 |
0 |
0 |
4 |
17 |
164 |
1876 |
649 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1 |
157 |
689 |
|
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