Validation of sea ice concentration
Bulletin date: 2019-01-17
Model vs. observations, sea ice class contingency tables
Date: 2019-01-11:
| 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 |
14203 |
6540 |
1307 |
691 |
191 |
17 |
0 |
0 |
| OW |
0 |
79 |
215 |
196 |
121 |
45 |
13 |
0 |
| VODI |
0 |
30 |
153 |
228 |
198 |
78 |
42 |
0 |
| ODI |
0 |
6 |
64 |
119 |
170 |
96 |
88 |
0 |
| CDI |
0 |
3 |
41 |
76 |
138 |
255 |
227 |
38 |
| VCDI |
0 |
4 |
36 |
110 |
165 |
450 |
6479 |
5247 |
|
...date precedes bulletin
|
Date: 2019-01-15:
| 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 |
14384 |
6308 |
1248 |
627 |
142 |
58 |
1 |
0 |
| OW |
0 |
47 |
181 |
260 |
131 |
63 |
9 |
0 |
| VODI |
0 |
14 |
136 |
204 |
136 |
136 |
41 |
0 |
| ODI |
0 |
3 |
36 |
156 |
146 |
172 |
102 |
7 |
| CDI |
0 |
2 |
37 |
118 |
154 |
181 |
268 |
53 |
| VCDI |
0 |
0 |
36 |
196 |
272 |
484 |
6884 |
4726 |
|
...date precedes bulletin
|
Date: 2019-01-17:
| 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 |
14151 |
6163 |
1315 |
519 |
161 |
24 |
20 |
0 |
| OW |
0 |
15 |
229 |
226 |
128 |
75 |
17 |
0 |
| VODI |
0 |
11 |
137 |
192 |
188 |
137 |
53 |
0 |
| ODI |
0 |
7 |
46 |
119 |
143 |
161 |
158 |
0 |
| CDI |
0 |
1 |
21 |
76 |
97 |
191 |
333 |
31 |
| VCDI |
0 |
0 |
22 |
124 |
303 |
626 |
6655 |
5284 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14151 |
6167 |
1309 |
549 |
165 |
34 |
20 |
0 |
| OW |
0 |
13 |
219 |
191 |
110 |
65 |
17 |
0 |
| VODI |
0 |
11 |
158 |
201 |
199 |
134 |
52 |
0 |
| ODI |
0 |
5 |
41 |
120 |
144 |
165 |
152 |
0 |
| CDI |
0 |
1 |
20 |
68 |
104 |
198 |
349 |
19 |
| VCDI |
0 |
0 |
23 |
127 |
298 |
618 |
6646 |
5296 |
|
Date: 2019-01-21:
| 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 |
14085 |
6181 |
1333 |
326 |
118 |
63 |
7 |
0 |
| OW |
0 |
44 |
252 |
158 |
108 |
102 |
49 |
0 |
| VODI |
0 |
5 |
122 |
137 |
128 |
164 |
120 |
0 |
| ODI |
0 |
0 |
41 |
52 |
103 |
156 |
326 |
0 |
| CDI |
0 |
0 |
18 |
47 |
72 |
166 |
805 |
18 |
| VCDI |
0 |
0 |
4 |
11 |
42 |
60 |
5792 |
6944 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14085 |
6152 |
1195 |
311 |
113 |
63 |
13 |
0 |
| OW |
0 |
52 |
198 |
108 |
69 |
44 |
30 |
0 |
| VODI |
0 |
23 |
187 |
117 |
117 |
153 |
152 |
0 |
| ODI |
0 |
3 |
101 |
84 |
105 |
144 |
236 |
0 |
| CDI |
0 |
0 |
53 |
56 |
70 |
163 |
386 |
9 |
| VCDI |
0 |
0 |
36 |
55 |
97 |
144 |
6282 |
6953 |
|
Date: 2019-01-23:
| 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 |
14221 |
6232 |
1132 |
341 |
102 |
47 |
11 |
0 |
| OW |
0 |
40 |
245 |
133 |
65 |
49 |
39 |
0 |
| VODI |
0 |
24 |
190 |
172 |
102 |
102 |
94 |
0 |
| ODI |
0 |
2 |
79 |
100 |
86 |
118 |
253 |
3 |
| CDI |
0 |
0 |
37 |
50 |
56 |
121 |
645 |
41 |
| VCDI |
0 |
0 |
8 |
45 |
54 |
235 |
7624 |
5261 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14221 |
6179 |
997 |
334 |
103 |
38 |
15 |
0 |
| OW |
0 |
82 |
163 |
113 |
53 |
41 |
32 |
0 |
| VODI |
0 |
32 |
208 |
148 |
84 |
101 |
148 |
0 |
| ODI |
0 |
4 |
140 |
90 |
76 |
92 |
249 |
0 |
| CDI |
0 |
1 |
102 |
66 |
62 |
79 |
480 |
22 |
| VCDI |
0 |
0 |
81 |
90 |
87 |
321 |
7742 |
5283 |
|
Date: 2019-01-25:
| 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 |
14334 |
6126 |
838 |
339 |
146 |
57 |
19 |
0 |
| OW |
0 |
72 |
177 |
142 |
83 |
86 |
38 |
0 |
| VODI |
0 |
30 |
153 |
149 |
94 |
123 |
101 |
0 |
| ODI |
0 |
8 |
112 |
111 |
72 |
108 |
237 |
1 |
| CDI |
0 |
7 |
28 |
72 |
53 |
147 |
724 |
42 |
| VCDI |
0 |
0 |
7 |
36 |
64 |
275 |
7572 |
5376 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14334 |
6060 |
755 |
389 |
186 |
94 |
5 |
0 |
| OW |
0 |
97 |
129 |
81 |
62 |
86 |
48 |
0 |
| VODI |
0 |
60 |
137 |
79 |
59 |
94 |
220 |
0 |
| ODI |
0 |
15 |
134 |
104 |
47 |
82 |
268 |
0 |
| CDI |
0 |
7 |
113 |
91 |
63 |
111 |
445 |
25 |
| VCDI |
0 |
4 |
47 |
105 |
95 |
329 |
7705 |
5394 |
|
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