Validation of sea ice concentration
Bulletin date: 2013-01-31
Model vs. observations, sea ice class contingency tables
Date: 2013-01-25:
| 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 |
13726 |
6532 |
387 |
243 |
40 |
20 |
0 |
0 |
| OW |
0 |
291 |
187 |
188 |
80 |
28 |
0 |
0 |
| VODI |
0 |
115 |
165 |
216 |
199 |
97 |
1 |
0 |
| ODI |
0 |
31 |
65 |
156 |
221 |
228 |
17 |
0 |
| CDI |
0 |
29 |
49 |
77 |
221 |
459 |
129 |
5 |
| VCDI |
0 |
29 |
33 |
148 |
345 |
2336 |
6354 |
3972 |
|
...date precedes bulletin
|
Date: 2013-01-29:
| 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 |
14350 |
6124 |
141 |
147 |
41 |
14 |
0 |
0 |
| OW |
0 |
353 |
75 |
101 |
70 |
29 |
0 |
0 |
| VODI |
0 |
218 |
114 |
136 |
150 |
110 |
0 |
0 |
| ODI |
0 |
92 |
72 |
124 |
147 |
258 |
2 |
0 |
| CDI |
0 |
67 |
29 |
69 |
166 |
454 |
114 |
29 |
| VCDI |
0 |
144 |
20 |
112 |
704 |
3122 |
4994 |
4527 |
|
...date precedes bulletin
|
Date: 2013-01-31:
| 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 |
13529 |
6435 |
345 |
260 |
34 |
5 |
0 |
0 |
| OW |
0 |
191 |
129 |
163 |
137 |
31 |
0 |
0 |
| VODI |
0 |
137 |
113 |
191 |
239 |
187 |
9 |
0 |
| ODI |
0 |
41 |
47 |
100 |
195 |
295 |
72 |
0 |
| CDI |
0 |
18 |
32 |
72 |
177 |
439 |
205 |
57 |
| VCDI |
0 |
22 |
48 |
93 |
269 |
1693 |
6169 |
5240 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13529 |
6562 |
459 |
402 |
179 |
80 |
3 |
0 |
| OW |
0 |
84 |
50 |
90 |
73 |
41 |
3 |
0 |
| VODI |
0 |
98 |
71 |
119 |
129 |
155 |
15 |
0 |
| ODI |
0 |
44 |
40 |
100 |
153 |
161 |
56 |
0 |
| CDI |
0 |
25 |
34 |
61 |
171 |
289 |
162 |
61 |
| VCDI |
0 |
31 |
60 |
107 |
346 |
1924 |
6216 |
5236 |
|
Date: 2013-02-04:
| 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 |
13453 |
6910 |
575 |
349 |
108 |
18 |
0 |
0 |
| OW |
0 |
175 |
144 |
203 |
228 |
105 |
2 |
0 |
| VODI |
0 |
40 |
82 |
188 |
189 |
353 |
52 |
0 |
| ODI |
0 |
2 |
34 |
90 |
103 |
393 |
146 |
13 |
| CDI |
0 |
0 |
4 |
18 |
120 |
502 |
407 |
63 |
| VCDI |
0 |
0 |
1 |
0 |
40 |
831 |
6287 |
5191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13453 |
6746 |
527 |
320 |
145 |
79 |
8 |
0 |
| OW |
0 |
104 |
74 |
70 |
47 |
27 |
5 |
0 |
| VODI |
0 |
82 |
85 |
112 |
107 |
74 |
24 |
0 |
| ODI |
0 |
52 |
47 |
126 |
129 |
158 |
81 |
7 |
| CDI |
0 |
59 |
31 |
81 |
160 |
348 |
212 |
62 |
| VCDI |
0 |
84 |
76 |
139 |
200 |
1516 |
6564 |
5198 |
|
Date: 2013-02-06:
| 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 |
13492 |
6848 |
467 |
347 |
156 |
14 |
2 |
0 |
| OW |
1 |
125 |
129 |
175 |
124 |
27 |
8 |
2 |
| VODI |
0 |
124 |
124 |
181 |
164 |
128 |
72 |
11 |
| ODI |
0 |
21 |
63 |
177 |
224 |
306 |
135 |
45 |
| CDI |
0 |
3 |
4 |
53 |
169 |
356 |
386 |
127 |
| VCDI |
0 |
0 |
4 |
13 |
107 |
769 |
6113 |
5623 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13492 |
6682 |
414 |
312 |
106 |
17 |
17 |
0 |
| OW |
1 |
99 |
72 |
74 |
49 |
18 |
8 |
0 |
| VODI |
0 |
113 |
97 |
113 |
101 |
46 |
18 |
2 |
| ODI |
0 |
83 |
49 |
128 |
140 |
56 |
67 |
28 |
| CDI |
0 |
50 |
27 |
93 |
169 |
268 |
166 |
146 |
| VCDI |
0 |
94 |
132 |
226 |
379 |
1195 |
6440 |
5632 |
|
Date: 2013-02-08:
| 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 |
13307 |
6572 |
529 |
341 |
169 |
58 |
9 |
0 |
| OW |
1 |
89 |
131 |
198 |
136 |
77 |
17 |
0 |
| VODI |
0 |
89 |
61 |
188 |
183 |
153 |
33 |
0 |
| ODI |
0 |
92 |
50 |
77 |
190 |
350 |
128 |
16 |
| CDI |
0 |
10 |
63 |
74 |
215 |
435 |
460 |
54 |
| VCDI |
0 |
0 |
9 |
14 |
116 |
648 |
7108 |
4969 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13307 |
6510 |
540 |
352 |
138 |
64 |
17 |
0 |
| OW |
1 |
67 |
59 |
90 |
46 |
30 |
7 |
0 |
| VODI |
0 |
79 |
60 |
124 |
80 |
66 |
25 |
0 |
| ODI |
0 |
55 |
41 |
105 |
137 |
98 |
62 |
13 |
| CDI |
0 |
50 |
34 |
81 |
158 |
296 |
214 |
69 |
| VCDI |
0 |
91 |
109 |
140 |
450 |
1167 |
7430 |
4957 |
|
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