Validation of sea ice concentration
Bulletin date: 2019-01-10
Model vs. observations, sea ice class contingency tables
Date: 2019-01-04:
| 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 |
14591 |
6630 |
1398 |
637 |
290 |
155 |
53 |
0 |
| OW |
0 |
16 |
193 |
202 |
179 |
126 |
41 |
0 |
| VODI |
0 |
0 |
73 |
157 |
240 |
242 |
82 |
0 |
| ODI |
0 |
0 |
16 |
71 |
162 |
190 |
102 |
0 |
| CDI |
0 |
0 |
2 |
31 |
132 |
400 |
365 |
25 |
| VCDI |
0 |
0 |
6 |
7 |
49 |
442 |
5367 |
5487 |
|
...date precedes bulletin
|
Date: 2019-01-08:
| 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 |
14434 |
6914 |
907 |
806 |
232 |
69 |
4 |
0 |
| OW |
0 |
98 |
158 |
269 |
148 |
61 |
10 |
0 |
| VODI |
0 |
12 |
62 |
249 |
206 |
127 |
38 |
0 |
| ODI |
0 |
7 |
16 |
98 |
175 |
180 |
97 |
0 |
| CDI |
0 |
7 |
6 |
71 |
135 |
321 |
418 |
18 |
| VCDI |
0 |
7 |
10 |
45 |
79 |
474 |
6674 |
4517 |
|
...date precedes bulletin
|
Date: 2019-01-10:
| 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 |
14099 |
6517 |
1313 |
672 |
273 |
51 |
2 |
0 |
| OW |
0 |
80 |
208 |
209 |
175 |
80 |
6 |
0 |
| VODI |
0 |
39 |
127 |
188 |
263 |
128 |
24 |
0 |
| ODI |
0 |
3 |
43 |
90 |
183 |
153 |
65 |
0 |
| CDI |
0 |
0 |
29 |
51 |
146 |
344 |
251 |
22 |
| VCDI |
0 |
1 |
25 |
56 |
113 |
440 |
6881 |
4809 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14099 |
6522 |
1360 |
705 |
298 |
69 |
4 |
0 |
| OW |
0 |
63 |
140 |
170 |
174 |
73 |
4 |
0 |
| VODI |
0 |
51 |
136 |
185 |
243 |
108 |
23 |
0 |
| ODI |
0 |
3 |
52 |
101 |
184 |
173 |
49 |
0 |
| CDI |
0 |
0 |
29 |
49 |
136 |
302 |
226 |
21 |
| VCDI |
0 |
1 |
28 |
56 |
118 |
471 |
6923 |
4810 |
|
Date: 2019-01-14:
| 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 |
14386 |
6328 |
1479 |
398 |
165 |
46 |
3 |
0 |
| OW |
0 |
40 |
305 |
225 |
129 |
63 |
9 |
0 |
| VODI |
0 |
10 |
150 |
219 |
194 |
134 |
47 |
0 |
| ODI |
0 |
2 |
62 |
126 |
163 |
188 |
143 |
8 |
| CDI |
0 |
2 |
38 |
116 |
152 |
222 |
357 |
53 |
| VCDI |
0 |
0 |
29 |
120 |
230 |
478 |
6652 |
4688 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14386 |
6278 |
1368 |
377 |
160 |
71 |
6 |
0 |
| OW |
0 |
59 |
213 |
168 |
103 |
55 |
5 |
0 |
| VODI |
0 |
31 |
230 |
175 |
126 |
123 |
54 |
0 |
| ODI |
0 |
7 |
100 |
122 |
111 |
97 |
110 |
5 |
| CDI |
0 |
4 |
69 |
119 |
125 |
146 |
219 |
54 |
| VCDI |
0 |
3 |
83 |
243 |
408 |
639 |
6817 |
4690 |
|
Date: 2019-01-16:
| 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 |
14244 |
6168 |
1348 |
572 |
159 |
54 |
4 |
0 |
| OW |
0 |
39 |
202 |
228 |
125 |
91 |
15 |
0 |
| VODI |
0 |
14 |
116 |
225 |
148 |
149 |
60 |
0 |
| ODI |
0 |
6 |
41 |
125 |
100 |
225 |
131 |
2 |
| CDI |
0 |
1 |
19 |
66 |
124 |
200 |
287 |
47 |
| VCDI |
0 |
0 |
30 |
110 |
273 |
606 |
7021 |
4784 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14244 |
6171 |
1249 |
529 |
150 |
67 |
30 |
0 |
| OW |
0 |
23 |
186 |
143 |
110 |
71 |
25 |
0 |
| VODI |
0 |
23 |
168 |
215 |
138 |
150 |
63 |
0 |
| ODI |
0 |
8 |
70 |
139 |
81 |
169 |
111 |
3 |
| CDI |
0 |
3 |
38 |
98 |
83 |
181 |
231 |
45 |
| VCDI |
0 |
0 |
45 |
202 |
367 |
687 |
7058 |
4785 |
|
Date: 2019-01-18:
| 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 |
14171 |
6389 |
1070 |
398 |
84 |
8 |
9 |
0 |
| OW |
0 |
20 |
214 |
263 |
85 |
42 |
32 |
0 |
| VODI |
0 |
14 |
150 |
234 |
154 |
144 |
61 |
0 |
| ODI |
0 |
5 |
72 |
125 |
113 |
194 |
148 |
4 |
| CDI |
0 |
1 |
15 |
87 |
69 |
186 |
348 |
64 |
| VCDI |
0 |
0 |
6 |
106 |
191 |
710 |
7486 |
4687 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14171 |
6347 |
1082 |
442 |
98 |
29 |
49 |
0 |
| OW |
0 |
35 |
173 |
186 |
90 |
55 |
35 |
0 |
| VODI |
0 |
35 |
127 |
201 |
119 |
144 |
98 |
0 |
| ODI |
0 |
9 |
82 |
118 |
82 |
159 |
174 |
10 |
| CDI |
0 |
3 |
50 |
96 |
83 |
147 |
295 |
87 |
| VCDI |
0 |
0 |
13 |
170 |
224 |
750 |
7433 |
4658 |
|
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