Validation of sea ice concentration
Bulletin date: 2012-01-18
Model vs. observations, sea ice class contingency tables
Date: 2012-01-12:
| 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 |
14707 |
7036 |
614 |
221 |
64 |
41 |
1 |
0 |
| OW |
1 |
205 |
185 |
192 |
113 |
47 |
8 |
0 |
| VODI |
0 |
60 |
110 |
246 |
196 |
129 |
18 |
0 |
| ODI |
0 |
5 |
26 |
118 |
187 |
300 |
86 |
0 |
| CDI |
0 |
0 |
14 |
51 |
134 |
477 |
594 |
25 |
| VCDI |
0 |
0 |
0 |
13 |
52 |
831 |
5895 |
4417 |
|
...date precedes bulletin
|
Date: 2012-01-16:
| 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 |
14226 |
6787 |
709 |
253 |
69 |
33 |
2 |
0 |
| OW |
0 |
272 |
278 |
235 |
123 |
52 |
10 |
0 |
| VODI |
0 |
70 |
140 |
284 |
264 |
127 |
56 |
0 |
| ODI |
0 |
43 |
55 |
186 |
229 |
181 |
127 |
1 |
| CDI |
0 |
13 |
41 |
115 |
182 |
390 |
680 |
60 |
| VCDI |
0 |
0 |
8 |
44 |
68 |
511 |
5603 |
4892 |
|
...date precedes bulletin
|
Date: 2012-01-18:
| 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 |
15584 |
6218 |
948 |
327 |
85 |
33 |
10 |
0 |
| OW |
0 |
138 |
290 |
335 |
119 |
41 |
20 |
0 |
| VODI |
0 |
15 |
43 |
229 |
329 |
219 |
72 |
0 |
| ODI |
0 |
7 |
15 |
82 |
197 |
293 |
227 |
20 |
| CDI |
0 |
2 |
28 |
63 |
175 |
330 |
849 |
61 |
| VCDI |
0 |
0 |
0 |
10 |
80 |
386 |
5864 |
3675 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15584 |
6102 |
813 |
369 |
146 |
110 |
188 |
0 |
| OW |
0 |
90 |
77 |
94 |
36 |
29 |
26 |
0 |
| VODI |
0 |
68 |
107 |
128 |
104 |
71 |
48 |
0 |
| ODI |
0 |
39 |
63 |
97 |
114 |
92 |
83 |
25 |
| CDI |
0 |
31 |
72 |
125 |
227 |
208 |
299 |
58 |
| VCDI |
0 |
50 |
192 |
233 |
358 |
792 |
6398 |
3673 |
|
Date: 2012-01-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2012-01-24:
| 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 |
14578 |
6400 |
525 |
257 |
119 |
31 |
0 |
0 |
| OW |
0 |
392 |
115 |
138 |
143 |
104 |
0 |
0 |
| VODI |
0 |
265 |
128 |
237 |
170 |
229 |
4 |
0 |
| ODI |
0 |
101 |
97 |
189 |
177 |
349 |
30 |
2 |
| CDI |
0 |
23 |
38 |
126 |
224 |
598 |
326 |
14 |
| VCDI |
0 |
0 |
3 |
47 |
140 |
1052 |
6001 |
4047 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14578 |
6614 |
602 |
418 |
293 |
227 |
73 |
1 |
| OW |
0 |
103 |
44 |
62 |
42 |
68 |
18 |
0 |
| VODI |
0 |
154 |
45 |
100 |
72 |
102 |
20 |
0 |
| ODI |
0 |
119 |
38 |
108 |
77 |
142 |
28 |
0 |
| CDI |
0 |
83 |
36 |
102 |
133 |
275 |
123 |
13 |
| VCDI |
0 |
108 |
141 |
204 |
356 |
1549 |
6099 |
4049 |
|
Date: 2012-01-26:
| 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 |
14388 |
6400 |
643 |
234 |
120 |
35 |
5 |
0 |
| OW |
1 |
294 |
144 |
127 |
124 |
67 |
13 |
0 |
| VODI |
0 |
390 |
155 |
227 |
179 |
180 |
20 |
0 |
| ODI |
0 |
99 |
107 |
167 |
141 |
318 |
55 |
0 |
| CDI |
0 |
11 |
53 |
161 |
188 |
475 |
410 |
9 |
| VCDI |
0 |
0 |
6 |
32 |
178 |
1127 |
6878 |
3258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14388 |
6583 |
685 |
373 |
288 |
184 |
110 |
0 |
| OW |
1 |
183 |
51 |
75 |
50 |
42 |
19 |
0 |
| VODI |
0 |
186 |
72 |
79 |
95 |
100 |
29 |
0 |
| ODI |
0 |
125 |
66 |
71 |
59 |
147 |
62 |
0 |
| CDI |
0 |
77 |
65 |
71 |
84 |
216 |
227 |
8 |
| VCDI |
0 |
40 |
169 |
279 |
354 |
1513 |
6934 |
3259 |
|
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