Validation of sea ice concentration
Bulletin date: 2015-01-15
Model vs. observations, sea ice class contingency tables
Date: 2015-01-09:
| 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 |
14386 |
5714 |
360 |
69 |
18 |
6 |
19 |
1 |
| OW |
0 |
246 |
232 |
133 |
30 |
11 |
10 |
0 |
| VODI |
0 |
156 |
278 |
167 |
83 |
41 |
22 |
0 |
| ODI |
0 |
65 |
122 |
129 |
144 |
93 |
63 |
0 |
| CDI |
0 |
40 |
116 |
124 |
167 |
205 |
235 |
6 |
| VCDI |
0 |
10 |
87 |
130 |
207 |
547 |
7639 |
4956 |
|
...date precedes bulletin
|
Date: 2015-01-13:
| 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 |
14136 |
5585 |
401 |
240 |
60 |
7 |
9 |
0 |
| OW |
1 |
196 |
130 |
166 |
83 |
13 |
13 |
0 |
| VODI |
0 |
86 |
146 |
181 |
154 |
70 |
33 |
0 |
| ODI |
0 |
26 |
141 |
132 |
175 |
170 |
107 |
0 |
| CDI |
0 |
29 |
109 |
146 |
185 |
299 |
286 |
15 |
| VCDI |
0 |
0 |
20 |
33 |
68 |
420 |
7155 |
5841 |
|
...date precedes bulletin
|
Date: 2015-01-15:
| 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 |
13711 |
5519 |
562 |
227 |
49 |
7 |
14 |
0 |
| OW |
1 |
179 |
159 |
114 |
87 |
42 |
8 |
0 |
| VODI |
0 |
106 |
133 |
143 |
114 |
74 |
31 |
0 |
| ODI |
0 |
27 |
80 |
97 |
121 |
123 |
107 |
0 |
| CDI |
0 |
10 |
84 |
110 |
128 |
216 |
316 |
47 |
| VCDI |
0 |
0 |
98 |
131 |
207 |
417 |
7532 |
5936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13711 |
5484 |
580 |
224 |
60 |
14 |
22 |
0 |
| OW |
1 |
182 |
142 |
114 |
79 |
37 |
5 |
0 |
| VODI |
0 |
126 |
120 |
137 |
111 |
68 |
29 |
0 |
| ODI |
0 |
33 |
87 |
105 |
118 |
114 |
102 |
0 |
| CDI |
0 |
16 |
78 |
95 |
130 |
207 |
305 |
50 |
| VCDI |
0 |
0 |
109 |
147 |
208 |
439 |
7545 |
5933 |
|
Date: 2015-01-19:
| 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 |
13310 |
5643 |
730 |
234 |
81 |
41 |
1 |
0 |
| OW |
1 |
67 |
140 |
137 |
103 |
64 |
11 |
0 |
| VODI |
0 |
38 |
131 |
113 |
127 |
164 |
31 |
0 |
| ODI |
0 |
6 |
82 |
120 |
142 |
181 |
69 |
1 |
| CDI |
0 |
2 |
59 |
80 |
154 |
282 |
514 |
41 |
| VCDI |
0 |
2 |
20 |
37 |
111 |
625 |
6621 |
6751 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13310 |
5418 |
614 |
179 |
63 |
30 |
20 |
0 |
| OW |
1 |
129 |
102 |
115 |
67 |
55 |
14 |
0 |
| VODI |
0 |
135 |
127 |
102 |
106 |
105 |
43 |
0 |
| ODI |
0 |
42 |
107 |
99 |
142 |
154 |
75 |
4 |
| CDI |
0 |
25 |
112 |
99 |
138 |
242 |
327 |
32 |
| VCDI |
0 |
9 |
100 |
127 |
202 |
771 |
6768 |
6757 |
|
Date: 2015-01-21:
| 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 |
13499 |
5408 |
734 |
222 |
88 |
95 |
3 |
0 |
| OW |
0 |
100 |
91 |
119 |
101 |
65 |
25 |
0 |
| VODI |
0 |
72 |
99 |
126 |
111 |
124 |
51 |
0 |
| ODI |
0 |
21 |
94 |
95 |
122 |
141 |
144 |
0 |
| CDI |
0 |
3 |
88 |
103 |
110 |
166 |
263 |
14 |
| VCDI |
0 |
12 |
46 |
67 |
147 |
661 |
6667 |
6970 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13499 |
5072 |
658 |
198 |
82 |
62 |
19 |
0 |
| OW |
0 |
148 |
67 |
107 |
67 |
58 |
27 |
0 |
| VODI |
0 |
172 |
82 |
94 |
100 |
98 |
56 |
0 |
| ODI |
0 |
91 |
65 |
85 |
102 |
126 |
78 |
0 |
| CDI |
0 |
95 |
116 |
98 |
133 |
213 |
283 |
13 |
| VCDI |
0 |
38 |
164 |
150 |
195 |
695 |
6690 |
6971 |
|
Date: 2015-01-23:
| 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 |
13634 |
5366 |
693 |
277 |
82 |
54 |
2 |
0 |
| OW |
0 |
137 |
82 |
142 |
85 |
78 |
10 |
4 |
| VODI |
0 |
83 |
84 |
114 |
127 |
135 |
37 |
2 |
| ODI |
0 |
39 |
91 |
87 |
105 |
156 |
131 |
0 |
| CDI |
0 |
8 |
123 |
90 |
121 |
190 |
396 |
13 |
| VCDI |
0 |
28 |
105 |
109 |
187 |
528 |
6281 |
7051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13634 |
5070 |
584 |
183 |
43 |
31 |
16 |
0 |
| OW |
0 |
152 |
97 |
128 |
57 |
41 |
18 |
4 |
| VODI |
0 |
170 |
76 |
140 |
106 |
88 |
38 |
2 |
| ODI |
0 |
107 |
62 |
92 |
103 |
138 |
55 |
0 |
| CDI |
0 |
93 |
108 |
81 |
160 |
202 |
218 |
7 |
| VCDI |
0 |
69 |
251 |
195 |
238 |
641 |
6512 |
7057 |
|
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