Validation of sea ice concentration
Bulletin date: 2014-02-06
Model vs. observations, sea ice class contingency tables
Date: 2014-01-31:
| 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 |
14290 |
6132 |
388 |
113 |
18 |
5 |
0 |
0 |
| OW |
0 |
205 |
187 |
161 |
82 |
41 |
11 |
0 |
| VODI |
0 |
118 |
149 |
206 |
133 |
86 |
54 |
0 |
| ODI |
0 |
129 |
59 |
121 |
168 |
160 |
71 |
0 |
| CDI |
0 |
47 |
44 |
98 |
206 |
400 |
256 |
11 |
| VCDI |
0 |
17 |
35 |
107 |
223 |
837 |
5895 |
5794 |
|
...date precedes bulletin
|
Date: 2014-02-04:
| 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 |
14481 |
6159 |
492 |
148 |
41 |
10 |
0 |
0 |
| OW |
0 |
234 |
203 |
137 |
59 |
25 |
3 |
0 |
| VODI |
0 |
130 |
150 |
210 |
152 |
78 |
15 |
0 |
| ODI |
0 |
6 |
55 |
150 |
192 |
171 |
73 |
0 |
| CDI |
0 |
3 |
19 |
98 |
189 |
352 |
316 |
5 |
| VCDI |
0 |
1 |
10 |
43 |
171 |
711 |
7074 |
4770 |
|
...date precedes bulletin
|
Date: 2014-02-06:
| 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 |
13937 |
6250 |
750 |
192 |
41 |
6 |
1 |
0 |
| OW |
0 |
187 |
194 |
158 |
49 |
13 |
2 |
0 |
| VODI |
0 |
174 |
181 |
200 |
112 |
49 |
34 |
0 |
| ODI |
0 |
29 |
131 |
182 |
179 |
114 |
116 |
0 |
| CDI |
0 |
9 |
46 |
161 |
212 |
292 |
301 |
3 |
| VCDI |
0 |
7 |
21 |
86 |
171 |
563 |
7224 |
4762 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13937 |
6442 |
924 |
356 |
105 |
35 |
31 |
0 |
| OW |
0 |
86 |
85 |
91 |
37 |
10 |
16 |
0 |
| VODI |
0 |
98 |
135 |
120 |
91 |
32 |
29 |
0 |
| ODI |
0 |
15 |
100 |
152 |
136 |
86 |
98 |
0 |
| CDI |
0 |
8 |
57 |
147 |
188 |
270 |
293 |
8 |
| VCDI |
0 |
7 |
22 |
113 |
207 |
604 |
7211 |
4757 |
|
Date: 2014-02-10:
| 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 |
14601 |
6324 |
596 |
189 |
27 |
4 |
0 |
0 |
| OW |
0 |
245 |
188 |
140 |
43 |
22 |
0 |
0 |
| VODI |
0 |
120 |
210 |
199 |
114 |
54 |
27 |
0 |
| ODI |
0 |
9 |
114 |
135 |
163 |
156 |
87 |
1 |
| CDI |
0 |
3 |
65 |
139 |
141 |
264 |
392 |
59 |
| VCDI |
0 |
0 |
12 |
59 |
141 |
567 |
6759 |
4782 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14601 |
6194 |
529 |
192 |
37 |
30 |
30 |
0 |
| OW |
0 |
138 |
103 |
60 |
19 |
7 |
12 |
0 |
| VODI |
0 |
130 |
122 |
103 |
43 |
18 |
19 |
0 |
| ODI |
0 |
84 |
102 |
149 |
111 |
77 |
64 |
3 |
| CDI |
0 |
103 |
106 |
131 |
133 |
213 |
241 |
62 |
| VCDI |
0 |
52 |
223 |
226 |
286 |
722 |
6899 |
4777 |
|
Date: 2014-02-12:
| 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 |
15222 |
5869 |
375 |
142 |
20 |
8 |
0 |
0 |
| OW |
0 |
427 |
184 |
147 |
33 |
11 |
1 |
0 |
| VODI |
0 |
230 |
164 |
221 |
97 |
69 |
31 |
0 |
| ODI |
0 |
68 |
115 |
179 |
156 |
147 |
79 |
2 |
| CDI |
0 |
22 |
90 |
179 |
144 |
262 |
415 |
50 |
| VCDI |
0 |
0 |
68 |
109 |
169 |
481 |
6834 |
4333 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15222 |
5932 |
398 |
196 |
35 |
30 |
21 |
0 |
| OW |
0 |
131 |
65 |
53 |
19 |
11 |
18 |
0 |
| VODI |
0 |
115 |
113 |
119 |
65 |
39 |
25 |
0 |
| ODI |
0 |
97 |
74 |
149 |
107 |
111 |
77 |
1 |
| CDI |
0 |
101 |
81 |
140 |
113 |
198 |
232 |
49 |
| VCDI |
0 |
240 |
265 |
320 |
280 |
589 |
6987 |
4335 |
|
Date: 2014-02-14:
| 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 |
15086 |
5727 |
288 |
92 |
13 |
11 |
0 |
0 |
| OW |
0 |
424 |
148 |
84 |
21 |
8 |
1 |
0 |
| VODI |
0 |
579 |
230 |
179 |
79 |
36 |
18 |
0 |
| ODI |
0 |
135 |
187 |
236 |
155 |
135 |
55 |
1 |
| CDI |
0 |
70 |
126 |
229 |
189 |
231 |
247 |
32 |
| VCDI |
0 |
53 |
115 |
176 |
233 |
485 |
6503 |
4538 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15086 |
6128 |
386 |
156 |
40 |
26 |
15 |
0 |
| OW |
0 |
144 |
68 |
37 |
23 |
7 |
8 |
0 |
| VODI |
0 |
173 |
100 |
120 |
31 |
25 |
28 |
0 |
| ODI |
0 |
95 |
96 |
155 |
113 |
87 |
44 |
0 |
| CDI |
0 |
79 |
100 |
153 |
144 |
166 |
156 |
7 |
| VCDI |
0 |
369 |
344 |
375 |
339 |
595 |
6573 |
4564 |
|
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