Validation of sea ice concentration
Bulletin date: 2018-05-10
Model vs. observations, sea ice class contingency tables
Date: 2018-05-04:
| 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 |
13670 |
6212 |
1221 |
571 |
238 |
162 |
137 |
0 |
| OW |
0 |
16 |
99 |
190 |
94 |
87 |
148 |
0 |
| VODI |
0 |
0 |
34 |
116 |
112 |
127 |
271 |
1 |
| ODI |
0 |
0 |
18 |
74 |
45 |
96 |
382 |
12 |
| CDI |
0 |
0 |
13 |
40 |
42 |
73 |
631 |
43 |
| VCDI |
0 |
0 |
30 |
40 |
41 |
138 |
7460 |
5475 |
|
...date precedes bulletin
|
Date: 2018-05-08:
| 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 |
14298 |
6291 |
1218 |
658 |
199 |
84 |
47 |
0 |
| OW |
0 |
16 |
90 |
187 |
153 |
93 |
74 |
0 |
| VODI |
0 |
4 |
62 |
134 |
205 |
179 |
122 |
3 |
| ODI |
0 |
0 |
20 |
75 |
131 |
250 |
256 |
3 |
| CDI |
0 |
0 |
24 |
43 |
112 |
361 |
1061 |
10 |
| VCDI |
0 |
359 |
12 |
31 |
104 |
317 |
7892 |
2981 |
|
...date precedes bulletin
|
Date: 2018-05-10:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2018-05-14:
| 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 |
15112 |
6207 |
1254 |
505 |
181 |
50 |
52 |
0 |
| OW |
0 |
5 |
133 |
187 |
150 |
66 |
47 |
0 |
| VODI |
0 |
1 |
39 |
206 |
310 |
160 |
138 |
0 |
| ODI |
0 |
0 |
7 |
119 |
311 |
413 |
330 |
3 |
| CDI |
0 |
0 |
0 |
77 |
169 |
489 |
1128 |
31 |
| VCDI |
0 |
0 |
1 |
13 |
20 |
119 |
6019 |
4107 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15112 |
6200 |
1231 |
534 |
224 |
62 |
67 |
0 |
| OW |
0 |
11 |
113 |
137 |
114 |
77 |
47 |
0 |
| VODI |
0 |
2 |
70 |
124 |
194 |
144 |
172 |
0 |
| ODI |
0 |
0 |
8 |
135 |
166 |
173 |
329 |
7 |
| CDI |
0 |
0 |
10 |
109 |
282 |
509 |
931 |
41 |
| VCDI |
0 |
0 |
2 |
68 |
161 |
332 |
6168 |
4093 |
|
Date: 2018-05-16:
| 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 |
14929 |
6067 |
1694 |
588 |
246 |
94 |
54 |
0 |
| OW |
0 |
0 |
107 |
155 |
180 |
170 |
78 |
0 |
| VODI |
0 |
0 |
39 |
141 |
180 |
393 |
197 |
5 |
| ODI |
0 |
0 |
11 |
56 |
99 |
380 |
438 |
7 |
| CDI |
0 |
0 |
3 |
49 |
76 |
328 |
889 |
26 |
| VCDI |
0 |
0 |
1 |
9 |
12 |
56 |
5845 |
4557 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14929 |
6064 |
1638 |
520 |
223 |
74 |
65 |
0 |
| OW |
0 |
3 |
119 |
132 |
112 |
131 |
83 |
0 |
| VODI |
0 |
0 |
49 |
134 |
150 |
151 |
230 |
3 |
| ODI |
0 |
0 |
23 |
82 |
112 |
237 |
355 |
14 |
| CDI |
0 |
0 |
24 |
87 |
118 |
623 |
923 |
67 |
| VCDI |
0 |
0 |
2 |
43 |
78 |
205 |
5845 |
4511 |
|
Date: 2018-05-18:
| 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 |
15158 |
6635 |
1006 |
749 |
246 |
76 |
54 |
0 |
| OW |
0 |
45 |
86 |
217 |
282 |
100 |
48 |
1 |
| VODI |
0 |
7 |
55 |
150 |
429 |
280 |
147 |
8 |
| ODI |
0 |
3 |
26 |
50 |
154 |
226 |
342 |
19 |
| CDI |
0 |
0 |
16 |
75 |
135 |
223 |
862 |
59 |
| VCDI |
0 |
0 |
0 |
12 |
19 |
101 |
5191 |
4867 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15158 |
6566 |
891 |
623 |
237 |
75 |
62 |
0 |
| OW |
0 |
76 |
113 |
123 |
157 |
109 |
41 |
0 |
| VODI |
0 |
27 |
89 |
158 |
157 |
142 |
170 |
8 |
| ODI |
0 |
13 |
15 |
134 |
209 |
171 |
316 |
40 |
| CDI |
0 |
8 |
44 |
105 |
378 |
331 |
873 |
119 |
| VCDI |
0 |
0 |
37 |
110 |
127 |
178 |
5182 |
4787 |
|
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