Validation of sea ice concentration
Bulletin date: 2014-11-20
Model vs. observations, sea ice class contingency tables
Date: 2014-11-14:
| 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 |
15181 |
6281 |
571 |
227 |
227 |
94 |
52 |
0 |
| OW |
0 |
57 |
141 |
68 |
72 |
50 |
17 |
0 |
| VODI |
0 |
13 |
139 |
98 |
89 |
55 |
20 |
0 |
| ODI |
0 |
0 |
61 |
74 |
183 |
90 |
41 |
0 |
| CDI |
0 |
0 |
28 |
72 |
122 |
197 |
290 |
1 |
| VCDI |
0 |
0 |
5 |
56 |
190 |
563 |
7365 |
4277 |
|
...date precedes bulletin
|
Date: 2014-11-18:
| 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 |
14765 |
6008 |
918 |
291 |
188 |
105 |
83 |
0 |
| OW |
1 |
25 |
159 |
98 |
77 |
75 |
19 |
0 |
| VODI |
0 |
4 |
62 |
97 |
97 |
89 |
52 |
0 |
| ODI |
0 |
0 |
10 |
55 |
74 |
125 |
101 |
6 |
| CDI |
0 |
0 |
11 |
40 |
111 |
220 |
341 |
52 |
| VCDI |
0 |
0 |
1 |
43 |
189 |
422 |
7001 |
5052 |
|
...date precedes bulletin
|
Date: 2014-11-20:
| 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 |
14266 |
6064 |
816 |
415 |
229 |
78 |
129 |
0 |
| OW |
1 |
130 |
114 |
158 |
78 |
51 |
7 |
0 |
| VODI |
0 |
16 |
78 |
101 |
93 |
81 |
41 |
0 |
| ODI |
0 |
0 |
31 |
67 |
62 |
98 |
90 |
0 |
| CDI |
0 |
0 |
23 |
49 |
116 |
144 |
278 |
19 |
| VCDI |
0 |
0 |
6 |
46 |
154 |
446 |
7291 |
5201 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14258 |
6097 |
845 |
445 |
257 |
91 |
131 |
0 |
| OW |
9 |
92 |
88 |
116 |
49 |
41 |
10 |
0 |
| VODI |
0 |
20 |
75 |
118 |
87 |
74 |
39 |
0 |
| ODI |
0 |
1 |
27 |
60 |
68 |
88 |
86 |
0 |
| CDI |
0 |
0 |
23 |
49 |
115 |
156 |
315 |
17 |
| VCDI |
0 |
0 |
10 |
48 |
156 |
448 |
7255 |
5203 |
|
Date: 2014-11-24:
| 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 |
14489 |
5645 |
1241 |
414 |
181 |
66 |
58 |
0 |
| OW |
8 |
29 |
90 |
146 |
110 |
55 |
3 |
0 |
| VODI |
0 |
6 |
48 |
85 |
135 |
102 |
33 |
0 |
| ODI |
0 |
2 |
8 |
37 |
89 |
169 |
97 |
9 |
| CDI |
0 |
0 |
14 |
41 |
105 |
310 |
368 |
82 |
| VCDI |
0 |
0 |
17 |
52 |
127 |
732 |
5778 |
6086 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14486 |
5646 |
1111 |
299 |
143 |
82 |
60 |
0 |
| OW |
11 |
26 |
119 |
91 |
92 |
49 |
7 |
0 |
| VODI |
0 |
6 |
102 |
136 |
92 |
95 |
29 |
0 |
| ODI |
0 |
2 |
41 |
96 |
94 |
117 |
63 |
4 |
| CDI |
0 |
2 |
19 |
61 |
127 |
200 |
217 |
57 |
| VCDI |
0 |
0 |
26 |
92 |
199 |
891 |
5961 |
6116 |
|
Date: 2014-11-26:
| 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 |
14223 |
6059 |
894 |
299 |
174 |
106 |
54 |
0 |
| OW |
0 |
19 |
182 |
119 |
66 |
52 |
17 |
0 |
| VODI |
0 |
14 |
110 |
112 |
80 |
85 |
62 |
0 |
| ODI |
0 |
8 |
32 |
71 |
76 |
100 |
63 |
0 |
| CDI |
0 |
8 |
17 |
67 |
125 |
223 |
379 |
30 |
| VCDI |
0 |
3 |
15 |
68 |
187 |
539 |
6544 |
5785 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14223 |
6045 |
813 |
286 |
189 |
136 |
63 |
0 |
| OW |
0 |
25 |
147 |
62 |
46 |
50 |
41 |
0 |
| VODI |
0 |
12 |
136 |
95 |
45 |
69 |
75 |
0 |
| ODI |
0 |
8 |
83 |
85 |
48 |
98 |
71 |
0 |
| CDI |
0 |
11 |
44 |
101 |
109 |
154 |
313 |
26 |
| VCDI |
0 |
10 |
27 |
107 |
271 |
598 |
6556 |
5789 |
|
Date: 2014-11-28:
| 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 |
14534 |
6131 |
457 |
232 |
159 |
87 |
106 |
0 |
| OW |
0 |
108 |
112 |
86 |
83 |
54 |
25 |
0 |
| VODI |
0 |
44 |
99 |
103 |
92 |
104 |
79 |
0 |
| ODI |
0 |
14 |
36 |
51 |
88 |
108 |
104 |
4 |
| CDI |
0 |
13 |
14 |
70 |
106 |
160 |
357 |
21 |
| VCDI |
0 |
22 |
20 |
67 |
173 |
422 |
6460 |
6062 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14534 |
6089 |
464 |
223 |
159 |
103 |
123 |
0 |
| OW |
0 |
132 |
92 |
59 |
73 |
39 |
21 |
0 |
| VODI |
0 |
53 |
77 |
96 |
84 |
107 |
64 |
0 |
| ODI |
0 |
22 |
48 |
59 |
70 |
102 |
136 |
1 |
| CDI |
0 |
7 |
31 |
80 |
112 |
128 |
358 |
42 |
| VCDI |
0 |
29 |
26 |
92 |
203 |
456 |
6429 |
6044 |
|
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