Validation of sea ice concentration
Bulletin date: 2015-02-26
Model vs. observations, sea ice class contingency tables
Date: 2015-02-20:
| 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 |
13230 |
5245 |
648 |
140 |
18 |
6 |
2 |
0 |
| OW |
0 |
108 |
214 |
86 |
30 |
14 |
2 |
0 |
| VODI |
0 |
69 |
149 |
177 |
51 |
46 |
22 |
22 |
| ODI |
0 |
40 |
83 |
129 |
84 |
82 |
63 |
56 |
| CDI |
0 |
43 |
47 |
115 |
113 |
167 |
291 |
126 |
| VCDI |
0 |
91 |
188 |
289 |
360 |
870 |
7216 |
6335 |
|
...date precedes bulletin
|
Date: 2015-02-24:
| 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 |
12363 |
5524 |
1197 |
270 |
84 |
29 |
12 |
0 |
| OW |
0 |
7 |
185 |
161 |
68 |
18 |
13 |
0 |
| VODI |
0 |
0 |
113 |
134 |
125 |
86 |
47 |
0 |
| ODI |
0 |
0 |
58 |
112 |
141 |
125 |
123 |
0 |
| CDI |
0 |
0 |
59 |
152 |
119 |
161 |
454 |
18 |
| VCDI |
0 |
0 |
59 |
153 |
319 |
555 |
9407 |
4616 |
|
...date precedes bulletin
|
Date: 2015-02-26:
| 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 |
12724 |
5637 |
566 |
309 |
101 |
33 |
21 |
0 |
| OW |
0 |
96 |
107 |
146 |
123 |
29 |
27 |
0 |
| VODI |
0 |
58 |
93 |
105 |
142 |
98 |
65 |
0 |
| ODI |
0 |
16 |
69 |
96 |
134 |
118 |
154 |
0 |
| CDI |
0 |
7 |
68 |
111 |
155 |
148 |
443 |
8 |
| VCDI |
0 |
0 |
59 |
152 |
335 |
620 |
9631 |
4263 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12724 |
5636 |
575 |
334 |
123 |
38 |
25 |
0 |
| OW |
0 |
90 |
101 |
121 |
113 |
29 |
33 |
0 |
| VODI |
0 |
60 |
89 |
104 |
129 |
104 |
68 |
0 |
| ODI |
0 |
20 |
69 |
97 |
129 |
105 |
160 |
0 |
| CDI |
0 |
8 |
71 |
108 |
154 |
144 |
453 |
7 |
| VCDI |
0 |
0 |
57 |
155 |
342 |
626 |
9602 |
4264 |
|
Date: 2015-03-02:
| 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 |
13671 |
5589 |
592 |
122 |
30 |
8 |
3 |
0 |
| OW |
0 |
140 |
146 |
222 |
63 |
24 |
29 |
0 |
| VODI |
0 |
59 |
122 |
209 |
119 |
87 |
83 |
0 |
| ODI |
0 |
36 |
61 |
123 |
108 |
89 |
182 |
0 |
| CDI |
0 |
10 |
73 |
194 |
193 |
177 |
486 |
3 |
| VCDI |
0 |
0 |
14 |
129 |
314 |
775 |
8986 |
3796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13671 |
4990 |
524 |
117 |
46 |
16 |
21 |
0 |
| OW |
0 |
276 |
98 |
96 |
42 |
25 |
27 |
0 |
| VODI |
0 |
229 |
102 |
236 |
94 |
60 |
55 |
0 |
| ODI |
0 |
144 |
73 |
120 |
84 |
73 |
141 |
0 |
| CDI |
0 |
94 |
52 |
113 |
122 |
133 |
338 |
7 |
| VCDI |
0 |
101 |
159 |
317 |
439 |
853 |
9187 |
3792 |
|
Date: 2015-03-04:
| 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 |
13605 |
5785 |
487 |
140 |
33 |
9 |
1 |
0 |
| OW |
0 |
182 |
173 |
203 |
60 |
17 |
22 |
0 |
| VODI |
0 |
94 |
170 |
223 |
134 |
38 |
45 |
0 |
| ODI |
0 |
44 |
78 |
172 |
113 |
95 |
127 |
0 |
| CDI |
0 |
32 |
83 |
168 |
153 |
172 |
401 |
0 |
| VCDI |
0 |
26 |
88 |
286 |
310 |
696 |
8482 |
4120 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13597 |
5177 |
400 |
108 |
37 |
14 |
11 |
0 |
| OW |
8 |
279 |
129 |
105 |
38 |
17 |
10 |
0 |
| VODI |
0 |
258 |
165 |
244 |
107 |
36 |
22 |
0 |
| ODI |
0 |
161 |
78 |
184 |
130 |
65 |
118 |
0 |
| CDI |
0 |
136 |
64 |
182 |
145 |
168 |
378 |
1 |
| VCDI |
0 |
152 |
243 |
369 |
346 |
727 |
8539 |
4119 |
|
Date: 2015-03-06:
| 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 |
13717 |
5674 |
478 |
133 |
34 |
13 |
10 |
0 |
| OW |
0 |
225 |
252 |
182 |
86 |
36 |
32 |
0 |
| VODI |
0 |
117 |
194 |
194 |
133 |
77 |
92 |
0 |
| ODI |
0 |
54 |
87 |
113 |
120 |
84 |
180 |
0 |
| CDI |
0 |
45 |
85 |
100 |
134 |
162 |
484 |
0 |
| VCDI |
0 |
34 |
184 |
299 |
287 |
361 |
8396 |
4179 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13711 |
5135 |
310 |
87 |
21 |
19 |
29 |
0 |
| OW |
6 |
302 |
155 |
46 |
62 |
12 |
20 |
0 |
| VODI |
0 |
279 |
226 |
204 |
68 |
52 |
46 |
0 |
| ODI |
0 |
174 |
148 |
148 |
129 |
65 |
104 |
0 |
| CDI |
0 |
115 |
120 |
173 |
161 |
142 |
414 |
0 |
| VCDI |
0 |
144 |
321 |
363 |
353 |
443 |
8581 |
4179 |
|
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