Validation of sea ice concentration
Bulletin date: 2018-04-05
Model vs. observations, sea ice class contingency tables
Date: 2018-03-30:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2018-04-03:
| 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 |
13490 |
5752 |
954 |
408 |
241 |
166 |
55 |
0 |
| OW |
0 |
1 |
98 |
113 |
84 |
103 |
55 |
0 |
| VODI |
0 |
0 |
37 |
64 |
98 |
153 |
95 |
0 |
| ODI |
0 |
0 |
5 |
32 |
69 |
197 |
226 |
0 |
| CDI |
0 |
0 |
0 |
8 |
42 |
270 |
629 |
53 |
| VCDI |
0 |
0 |
0 |
4 |
37 |
293 |
6060 |
8267 |
|
...date precedes bulletin
|
Date: 2018-04-05:
| 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 |
13476 |
5839 |
865 |
392 |
232 |
162 |
23 |
0 |
| OW |
0 |
19 |
123 |
94 |
89 |
93 |
20 |
0 |
| VODI |
0 |
0 |
51 |
95 |
110 |
195 |
60 |
0 |
| ODI |
0 |
0 |
9 |
62 |
102 |
277 |
123 |
0 |
| CDI |
0 |
0 |
7 |
24 |
92 |
402 |
481 |
39 |
| VCDI |
0 |
0 |
2 |
8 |
51 |
460 |
6990 |
7092 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13476 |
5843 |
887 |
403 |
231 |
169 |
26 |
0 |
| OW |
0 |
15 |
102 |
91 |
87 |
92 |
22 |
0 |
| VODI |
0 |
0 |
47 |
84 |
108 |
176 |
54 |
0 |
| ODI |
0 |
0 |
11 |
67 |
92 |
281 |
125 |
0 |
| CDI |
0 |
0 |
8 |
18 |
108 |
367 |
480 |
46 |
| VCDI |
0 |
0 |
2 |
12 |
50 |
504 |
6990 |
7085 |
|
Date: 2018-04-09:
| 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 |
13095 |
5779 |
1155 |
455 |
190 |
157 |
33 |
0 |
| OW |
0 |
1 |
102 |
161 |
111 |
102 |
38 |
0 |
| VODI |
0 |
0 |
33 |
112 |
207 |
280 |
92 |
0 |
| ODI |
0 |
0 |
0 |
41 |
113 |
304 |
215 |
20 |
| CDI |
0 |
0 |
0 |
16 |
68 |
400 |
838 |
70 |
| VCDI |
0 |
0 |
0 |
16 |
41 |
474 |
7227 |
6213 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13095 |
5777 |
1135 |
445 |
209 |
187 |
36 |
0 |
| OW |
0 |
3 |
90 |
126 |
73 |
122 |
47 |
0 |
| VODI |
0 |
0 |
50 |
93 |
154 |
176 |
101 |
0 |
| ODI |
0 |
0 |
14 |
68 |
121 |
246 |
218 |
6 |
| CDI |
0 |
0 |
1 |
46 |
93 |
399 |
593 |
77 |
| VCDI |
0 |
0 |
0 |
23 |
80 |
587 |
7448 |
6220 |
|
Date: 2018-04-11:
| 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 |
13181 |
5750 |
1105 |
536 |
215 |
137 |
16 |
0 |
| OW |
0 |
1 |
78 |
168 |
124 |
130 |
17 |
0 |
| VODI |
0 |
0 |
43 |
132 |
178 |
221 |
64 |
0 |
| ODI |
0 |
0 |
12 |
72 |
102 |
255 |
240 |
3 |
| CDI |
0 |
0 |
3 |
37 |
95 |
433 |
775 |
93 |
| VCDI |
0 |
0 |
0 |
23 |
87 |
581 |
7978 |
5274 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13181 |
5750 |
1068 |
528 |
227 |
171 |
25 |
0 |
| OW |
0 |
1 |
90 |
132 |
90 |
118 |
30 |
0 |
| VODI |
0 |
0 |
51 |
119 |
151 |
165 |
96 |
0 |
| ODI |
0 |
0 |
21 |
81 |
105 |
216 |
193 |
1 |
| CDI |
0 |
0 |
11 |
77 |
110 |
391 |
620 |
55 |
| VCDI |
0 |
0 |
0 |
31 |
118 |
696 |
8126 |
5314 |
|
Date: 2018-04-13:
| 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 |
13420 |
5740 |
1098 |
427 |
179 |
86 |
55 |
0 |
| OW |
0 |
3 |
132 |
166 |
128 |
94 |
68 |
0 |
| VODI |
0 |
0 |
56 |
136 |
167 |
192 |
118 |
0 |
| ODI |
0 |
0 |
12 |
86 |
122 |
244 |
210 |
6 |
| CDI |
0 |
0 |
2 |
43 |
100 |
377 |
742 |
44 |
| VCDI |
0 |
0 |
1 |
12 |
60 |
312 |
8010 |
5511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13420 |
5740 |
1050 |
418 |
200 |
113 |
111 |
0 |
| OW |
0 |
3 |
131 |
128 |
91 |
78 |
64 |
0 |
| VODI |
0 |
0 |
79 |
133 |
107 |
150 |
124 |
0 |
| ODI |
0 |
0 |
33 |
82 |
134 |
158 |
183 |
0 |
| CDI |
0 |
0 |
7 |
76 |
117 |
351 |
611 |
44 |
| VCDI |
0 |
0 |
1 |
33 |
107 |
455 |
8110 |
5517 |
|
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