Validation of sea ice concentration
Bulletin date: 2014-11-06
Model vs. observations, sea ice class contingency tables
Date: 2014-10-31:
| 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 |
17245 |
5856 |
601 |
215 |
127 |
45 |
23 |
0 |
| OW |
0 |
170 |
143 |
86 |
59 |
44 |
40 |
0 |
| VODI |
0 |
86 |
187 |
138 |
153 |
111 |
49 |
0 |
| ODI |
0 |
25 |
97 |
142 |
216 |
239 |
61 |
0 |
| CDI |
0 |
8 |
59 |
93 |
181 |
307 |
353 |
0 |
| VCDI |
0 |
1 |
19 |
96 |
309 |
657 |
5076 |
3750 |
|
...date precedes bulletin
|
Date: 2014-11-04:
| 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 |
16755 |
6282 |
559 |
201 |
141 |
99 |
51 |
0 |
| OW |
0 |
114 |
167 |
116 |
79 |
52 |
44 |
0 |
| VODI |
0 |
11 |
89 |
68 |
97 |
83 |
80 |
0 |
| ODI |
0 |
7 |
43 |
46 |
58 |
95 |
150 |
2 |
| CDI |
0 |
1 |
21 |
26 |
63 |
204 |
549 |
14 |
| VCDI |
0 |
1 |
8 |
20 |
70 |
286 |
6566 |
3749 |
|
...date precedes bulletin
|
Date: 2014-11-06:
| 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 |
16550 |
5662 |
771 |
254 |
167 |
69 |
6 |
0 |
| OW |
0 |
190 |
90 |
107 |
34 |
34 |
17 |
0 |
| VODI |
0 |
85 |
124 |
162 |
115 |
83 |
39 |
0 |
| ODI |
0 |
18 |
59 |
71 |
110 |
86 |
60 |
0 |
| CDI |
0 |
6 |
23 |
59 |
100 |
142 |
226 |
33 |
| VCDI |
0 |
7 |
27 |
60 |
112 |
575 |
6117 |
4617 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16550 |
5703 |
777 |
275 |
174 |
74 |
8 |
0 |
| OW |
0 |
168 |
101 |
108 |
49 |
51 |
15 |
0 |
| VODI |
0 |
66 |
105 |
137 |
102 |
66 |
40 |
0 |
| ODI |
0 |
17 |
62 |
81 |
109 |
82 |
71 |
0 |
| CDI |
0 |
7 |
31 |
57 |
101 |
145 |
243 |
34 |
| VCDI |
0 |
7 |
18 |
55 |
103 |
571 |
6088 |
4616 |
|
Date: 2014-11-10:
| 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 |
17133 |
5720 |
420 |
159 |
123 |
63 |
21 |
0 |
| OW |
8 |
107 |
140 |
107 |
79 |
13 |
5 |
0 |
| VODI |
0 |
40 |
82 |
107 |
99 |
80 |
38 |
0 |
| ODI |
0 |
5 |
40 |
88 |
92 |
110 |
187 |
0 |
| CDI |
0 |
9 |
21 |
73 |
115 |
200 |
394 |
0 |
| VCDI |
0 |
3 |
16 |
68 |
218 |
764 |
5793 |
4327 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17137 |
5453 |
317 |
144 |
106 |
67 |
22 |
0 |
| OW |
4 |
211 |
92 |
57 |
30 |
17 |
10 |
0 |
| VODI |
0 |
147 |
117 |
77 |
65 |
32 |
27 |
0 |
| ODI |
0 |
39 |
88 |
90 |
108 |
66 |
70 |
0 |
| CDI |
0 |
28 |
65 |
87 |
69 |
86 |
197 |
0 |
| VCDI |
0 |
6 |
40 |
147 |
348 |
962 |
6112 |
4327 |
|
Date: 2014-11-12:
| 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 |
14883 |
6675 |
953 |
344 |
114 |
48 |
48 |
0 |
| OW |
0 |
162 |
85 |
156 |
54 |
11 |
6 |
0 |
| VODI |
0 |
27 |
52 |
270 |
163 |
66 |
8 |
0 |
| ODI |
0 |
1 |
20 |
110 |
123 |
122 |
47 |
0 |
| CDI |
0 |
1 |
4 |
79 |
99 |
195 |
324 |
0 |
| VCDI |
0 |
0 |
5 |
114 |
220 |
774 |
7080 |
3624 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14883 |
6510 |
904 |
363 |
180 |
75 |
50 |
0 |
| OW |
0 |
165 |
92 |
92 |
58 |
32 |
22 |
0 |
| VODI |
0 |
153 |
69 |
122 |
70 |
43 |
34 |
0 |
| ODI |
0 |
32 |
35 |
184 |
114 |
103 |
124 |
0 |
| CDI |
0 |
6 |
14 |
172 |
103 |
161 |
325 |
0 |
| VCDI |
0 |
0 |
5 |
140 |
248 |
802 |
6958 |
3624 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15181 |
6148 |
539 |
253 |
279 |
176 |
105 |
0 |
| OW |
0 |
129 |
102 |
48 |
38 |
42 |
53 |
0 |
| VODI |
0 |
60 |
173 |
89 |
79 |
51 |
62 |
0 |
| ODI |
0 |
10 |
68 |
89 |
145 |
52 |
133 |
0 |
| CDI |
0 |
4 |
37 |
57 |
113 |
166 |
410 |
4 |
| VCDI |
0 |
0 |
26 |
59 |
229 |
562 |
7022 |
4274 |
|
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