Validation of sea ice concentration
Bulletin date: 2019-12-12
Model vs. observations, sea ice class contingency tables
Date: 2019-12-06:
| 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 |
14536 |
7192 |
838 |
296 |
90 |
99 |
72 |
0 |
| OW |
0 |
164 |
151 |
193 |
79 |
21 |
65 |
0 |
| VODI |
0 |
153 |
131 |
134 |
86 |
57 |
50 |
0 |
| ODI |
0 |
66 |
82 |
95 |
97 |
85 |
169 |
20 |
| CDI |
0 |
28 |
60 |
96 |
102 |
124 |
362 |
91 |
| VCDI |
0 |
39 |
43 |
111 |
267 |
640 |
7926 |
3249 |
|
...date precedes bulletin
|
Date: 2019-12-10:
| 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 |
13915 |
6951 |
1120 |
451 |
154 |
118 |
105 |
0 |
| OW |
0 |
19 |
120 |
153 |
77 |
72 |
95 |
7 |
| VODI |
0 |
14 |
50 |
179 |
69 |
97 |
163 |
3 |
| ODI |
0 |
6 |
27 |
73 |
58 |
104 |
158 |
74 |
| CDI |
0 |
0 |
25 |
39 |
75 |
161 |
487 |
164 |
| VCDI |
0 |
0 |
0 |
5 |
51 |
285 |
6159 |
6276 |
|
...date precedes bulletin
|
Date: 2019-12-12:
| 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 |
14186 |
6789 |
844 |
384 |
156 |
121 |
90 |
0 |
| OW |
0 |
61 |
197 |
147 |
67 |
51 |
42 |
0 |
| VODI |
0 |
29 |
131 |
146 |
79 |
73 |
114 |
0 |
| ODI |
0 |
15 |
54 |
88 |
102 |
65 |
136 |
5 |
| CDI |
0 |
8 |
46 |
78 |
100 |
144 |
398 |
46 |
| VCDI |
0 |
0 |
23 |
55 |
114 |
413 |
7434 |
5128 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14186 |
6797 |
855 |
398 |
160 |
123 |
87 |
0 |
| OW |
0 |
53 |
186 |
120 |
63 |
52 |
35 |
0 |
| VODI |
0 |
24 |
133 |
157 |
75 |
66 |
113 |
0 |
| ODI |
0 |
18 |
53 |
90 |
95 |
62 |
120 |
5 |
| CDI |
0 |
10 |
53 |
78 |
110 |
145 |
439 |
47 |
| VCDI |
0 |
0 |
15 |
55 |
115 |
419 |
7420 |
5127 |
|
Date: 2019-12-16:
| 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 |
14795 |
6772 |
582 |
317 |
113 |
86 |
59 |
0 |
| OW |
0 |
83 |
148 |
157 |
71 |
55 |
13 |
0 |
| VODI |
0 |
31 |
80 |
168 |
114 |
89 |
44 |
0 |
| ODI |
0 |
11 |
26 |
71 |
94 |
105 |
125 |
1 |
| CDI |
0 |
0 |
17 |
73 |
82 |
187 |
247 |
34 |
| VCDI |
0 |
0 |
2 |
58 |
122 |
622 |
7451 |
5054 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14795 |
6649 |
526 |
309 |
135 |
125 |
92 |
0 |
| OW |
0 |
118 |
102 |
96 |
55 |
68 |
18 |
0 |
| VODI |
0 |
89 |
104 |
147 |
88 |
95 |
44 |
0 |
| ODI |
0 |
23 |
57 |
85 |
85 |
125 |
110 |
0 |
| CDI |
0 |
14 |
42 |
79 |
64 |
145 |
258 |
26 |
| VCDI |
0 |
4 |
24 |
128 |
169 |
586 |
7417 |
5063 |
|
Date: 2019-12-18:
| 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 |
14401 |
6674 |
765 |
274 |
120 |
79 |
133 |
0 |
| OW |
0 |
43 |
159 |
129 |
110 |
80 |
34 |
0 |
| VODI |
0 |
21 |
97 |
114 |
77 |
132 |
71 |
0 |
| ODI |
0 |
12 |
35 |
60 |
52 |
88 |
159 |
0 |
| CDI |
0 |
0 |
30 |
30 |
74 |
136 |
317 |
35 |
| VCDI |
0 |
0 |
23 |
58 |
76 |
367 |
6869 |
6225 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14401 |
6568 |
734 |
311 |
150 |
125 |
185 |
0 |
| OW |
0 |
96 |
105 |
72 |
51 |
58 |
50 |
0 |
| VODI |
0 |
44 |
119 |
104 |
100 |
99 |
115 |
0 |
| ODI |
0 |
24 |
46 |
53 |
60 |
128 |
160 |
0 |
| CDI |
0 |
15 |
45 |
51 |
45 |
114 |
333 |
27 |
| VCDI |
0 |
3 |
60 |
74 |
103 |
358 |
6740 |
6233 |
|
Date: 2019-12-20:
| 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 |
14358 |
6660 |
633 |
342 |
115 |
60 |
104 |
0 |
| OW |
0 |
99 |
160 |
131 |
46 |
32 |
44 |
0 |
| VODI |
0 |
40 |
133 |
184 |
106 |
73 |
53 |
0 |
| ODI |
0 |
14 |
60 |
94 |
54 |
76 |
104 |
27 |
| CDI |
0 |
8 |
20 |
70 |
85 |
141 |
294 |
86 |
| VCDI |
0 |
3 |
17 |
59 |
102 |
287 |
7012 |
6173 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14358 |
6501 |
602 |
378 |
145 |
104 |
156 |
0 |
| OW |
0 |
134 |
109 |
78 |
42 |
29 |
55 |
0 |
| VODI |
0 |
98 |
122 |
84 |
49 |
39 |
100 |
0 |
| ODI |
0 |
43 |
66 |
128 |
40 |
40 |
132 |
1 |
| CDI |
0 |
29 |
42 |
86 |
72 |
104 |
306 |
13 |
| VCDI |
0 |
19 |
82 |
126 |
160 |
353 |
6862 |
6272 |
|
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