Validation of sea ice concentration
Bulletin date: 2014-12-04
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2014-12-02:
| 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 |
14745 |
5739 |
1022 |
181 |
104 |
97 |
89 |
0 |
| OW |
0 |
47 |
242 |
111 |
55 |
42 |
30 |
0 |
| VODI |
0 |
11 |
94 |
115 |
94 |
78 |
71 |
0 |
| ODI |
0 |
5 |
44 |
95 |
71 |
65 |
116 |
0 |
| CDI |
0 |
1 |
46 |
91 |
125 |
122 |
316 |
16 |
| VCDI |
0 |
0 |
43 |
102 |
268 |
685 |
7557 |
4332 |
|
...date precedes bulletin
|
Date: 2014-12-04:
| 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 |
14891 |
5661 |
564 |
237 |
116 |
78 |
130 |
0 |
| OW |
0 |
186 |
194 |
87 |
40 |
43 |
17 |
0 |
| VODI |
0 |
50 |
206 |
115 |
79 |
69 |
45 |
0 |
| ODI |
0 |
8 |
97 |
75 |
64 |
67 |
89 |
2 |
| CDI |
0 |
1 |
51 |
83 |
98 |
112 |
218 |
24 |
| VCDI |
0 |
0 |
102 |
155 |
220 |
449 |
8092 |
4252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14891 |
5673 |
606 |
255 |
119 |
82 |
132 |
0 |
| OW |
0 |
170 |
165 |
77 |
44 |
39 |
15 |
0 |
| VODI |
0 |
55 |
208 |
107 |
75 |
68 |
43 |
0 |
| ODI |
0 |
7 |
76 |
81 |
70 |
65 |
85 |
3 |
| CDI |
0 |
1 |
56 |
73 |
87 |
122 |
216 |
29 |
| VCDI |
0 |
0 |
103 |
159 |
222 |
442 |
8100 |
4246 |
|
Date: 2014-12-08:
| 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 |
14940 |
6126 |
425 |
134 |
115 |
45 |
119 |
0 |
| OW |
18 |
131 |
117 |
93 |
58 |
21 |
16 |
0 |
| VODI |
3 |
140 |
147 |
99 |
119 |
81 |
45 |
0 |
| ODI |
1 |
48 |
43 |
67 |
74 |
137 |
51 |
1 |
| CDI |
0 |
39 |
45 |
48 |
104 |
190 |
224 |
9 |
| VCDI |
0 |
12 |
50 |
114 |
258 |
565 |
7955 |
4040 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14934 |
5947 |
315 |
95 |
93 |
48 |
134 |
0 |
| OW |
13 |
187 |
140 |
42 |
36 |
13 |
12 |
0 |
| VODI |
13 |
89 |
111 |
107 |
76 |
55 |
32 |
0 |
| ODI |
2 |
49 |
65 |
60 |
81 |
84 |
55 |
0 |
| CDI |
0 |
67 |
52 |
56 |
95 |
141 |
164 |
12 |
| VCDI |
0 |
157 |
144 |
195 |
347 |
698 |
8013 |
4038 |
|
Date: 2014-12-10:
| 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 |
14330 |
6467 |
643 |
177 |
63 |
36 |
127 |
0 |
| OW |
0 |
85 |
145 |
101 |
45 |
14 |
20 |
0 |
| VODI |
0 |
65 |
115 |
147 |
89 |
42 |
37 |
0 |
| ODI |
0 |
137 |
57 |
130 |
65 |
66 |
69 |
1 |
| CDI |
0 |
67 |
34 |
146 |
87 |
86 |
219 |
3 |
| VCDI |
0 |
20 |
42 |
230 |
325 |
668 |
8066 |
3801 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14330 |
6364 |
438 |
128 |
58 |
36 |
138 |
0 |
| OW |
0 |
147 |
191 |
91 |
21 |
9 |
23 |
0 |
| VODI |
0 |
89 |
184 |
120 |
83 |
28 |
25 |
0 |
| ODI |
0 |
60 |
91 |
90 |
44 |
64 |
54 |
1 |
| CDI |
0 |
45 |
65 |
136 |
65 |
96 |
221 |
3 |
| VCDI |
0 |
136 |
67 |
366 |
403 |
679 |
8077 |
3801 |
|
Date: 2014-12-12:
| 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 |
14570 |
6251 |
541 |
137 |
67 |
30 |
130 |
0 |
| OW |
0 |
116 |
199 |
112 |
59 |
17 |
11 |
0 |
| VODI |
0 |
39 |
151 |
148 |
104 |
58 |
27 |
0 |
| ODI |
0 |
5 |
120 |
163 |
80 |
60 |
63 |
0 |
| CDI |
0 |
4 |
67 |
171 |
136 |
97 |
226 |
4 |
| VCDI |
0 |
16 |
47 |
246 |
351 |
582 |
7719 |
4143 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14570 |
6041 |
428 |
119 |
66 |
26 |
134 |
0 |
| OW |
0 |
234 |
128 |
59 |
22 |
13 |
11 |
0 |
| VODI |
0 |
112 |
175 |
128 |
81 |
41 |
21 |
0 |
| ODI |
0 |
22 |
148 |
90 |
69 |
35 |
42 |
0 |
| CDI |
0 |
11 |
111 |
137 |
72 |
55 |
156 |
6 |
| VCDI |
0 |
11 |
135 |
444 |
487 |
674 |
7812 |
4141 |
|
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