Validation of sea ice concentration
Bulletin date: 2012-11-29
Model vs. observations, sea ice class contingency tables
Date: 2012-11-23:
| 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 |
17777 |
7797 |
454 |
177 |
28 |
8 |
62 |
0 |
| OW |
3 |
269 |
203 |
189 |
134 |
27 |
34 |
0 |
| VODI |
0 |
121 |
217 |
166 |
218 |
74 |
22 |
0 |
| ODI |
0 |
3 |
79 |
116 |
176 |
198 |
14 |
0 |
| CDI |
0 |
0 |
15 |
89 |
128 |
387 |
51 |
0 |
| VCDI |
0 |
0 |
2 |
23 |
82 |
810 |
3474 |
3792 |
|
...date precedes bulletin
|
Date: 2012-11-27:
| 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 |
17580 |
7749 |
624 |
187 |
67 |
8 |
27 |
0 |
| OW |
0 |
286 |
264 |
160 |
93 |
37 |
27 |
0 |
| VODI |
0 |
35 |
145 |
181 |
184 |
167 |
47 |
0 |
| ODI |
0 |
4 |
44 |
77 |
217 |
296 |
80 |
4 |
| CDI |
0 |
0 |
18 |
29 |
123 |
495 |
302 |
41 |
| VCDI |
0 |
0 |
0 |
4 |
55 |
538 |
3093 |
4131 |
|
...date precedes bulletin
|
Date: 2012-11-29:
| 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 |
15783 |
7699 |
1433 |
426 |
90 |
4 |
12 |
0 |
| OW |
0 |
396 |
373 |
206 |
72 |
15 |
31 |
0 |
| VODI |
0 |
176 |
208 |
344 |
123 |
48 |
65 |
0 |
| ODI |
0 |
17 |
94 |
227 |
263 |
124 |
61 |
0 |
| CDI |
0 |
2 |
41 |
142 |
262 |
316 |
329 |
0 |
| VCDI |
0 |
0 |
2 |
86 |
203 |
697 |
4684 |
2365 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15783 |
8039 |
1775 |
655 |
167 |
17 |
37 |
0 |
| OW |
0 |
107 |
124 |
111 |
59 |
17 |
16 |
0 |
| VODI |
0 |
118 |
127 |
197 |
97 |
45 |
34 |
0 |
| ODI |
0 |
22 |
50 |
181 |
164 |
81 |
59 |
0 |
| CDI |
0 |
4 |
29 |
143 |
287 |
275 |
342 |
0 |
| VCDI |
0 |
0 |
46 |
144 |
239 |
769 |
4694 |
2365 |
|
Date: 2012-12-03:
| 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 |
16479 |
7916 |
784 |
614 |
151 |
33 |
1 |
0 |
| OW |
0 |
92 |
110 |
233 |
235 |
88 |
14 |
0 |
| VODI |
0 |
15 |
78 |
144 |
280 |
184 |
31 |
0 |
| ODI |
0 |
0 |
19 |
51 |
229 |
443 |
87 |
0 |
| CDI |
0 |
0 |
2 |
3 |
106 |
599 |
521 |
4 |
| VCDI |
0 |
0 |
3 |
16 |
76 |
582 |
4435 |
2761 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16479 |
7468 |
755 |
671 |
306 |
130 |
31 |
0 |
| OW |
0 |
175 |
51 |
76 |
66 |
41 |
18 |
0 |
| VODI |
0 |
308 |
83 |
109 |
130 |
71 |
24 |
0 |
| ODI |
0 |
61 |
53 |
107 |
180 |
120 |
43 |
0 |
| CDI |
0 |
11 |
44 |
59 |
192 |
431 |
325 |
4 |
| VCDI |
0 |
0 |
10 |
39 |
203 |
1136 |
4648 |
2761 |
|
Date: 2012-12-05:
| 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 |
16021 |
7595 |
895 |
508 |
105 |
11 |
0 |
0 |
| OW |
0 |
347 |
210 |
285 |
158 |
18 |
14 |
0 |
| VODI |
0 |
61 |
148 |
286 |
253 |
93 |
46 |
0 |
| ODI |
0 |
3 |
21 |
146 |
296 |
140 |
84 |
0 |
| CDI |
0 |
0 |
3 |
58 |
230 |
421 |
454 |
2 |
| VCDI |
0 |
2 |
11 |
30 |
136 |
652 |
4838 |
2838 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16021 |
7521 |
915 |
672 |
328 |
73 |
39 |
0 |
| OW |
0 |
131 |
68 |
72 |
51 |
19 |
11 |
0 |
| VODI |
0 |
172 |
100 |
124 |
89 |
45 |
21 |
0 |
| ODI |
0 |
141 |
94 |
153 |
146 |
85 |
51 |
0 |
| CDI |
0 |
36 |
61 |
123 |
262 |
284 |
363 |
0 |
| VCDI |
0 |
7 |
50 |
169 |
302 |
829 |
4951 |
2840 |
|
Date: 2012-12-07:
| 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 |
15352 |
6749 |
1288 |
780 |
214 |
42 |
4 |
0 |
| OW |
0 |
33 |
360 |
295 |
181 |
104 |
18 |
5 |
| VODI |
0 |
1 |
326 |
262 |
277 |
181 |
73 |
0 |
| ODI |
0 |
0 |
48 |
85 |
208 |
231 |
157 |
3 |
| CDI |
0 |
0 |
13 |
45 |
115 |
285 |
439 |
18 |
| VCDI |
0 |
0 |
0 |
15 |
70 |
519 |
5590 |
3033 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15352 |
6738 |
1455 |
971 |
421 |
234 |
94 |
5 |
| OW |
0 |
22 |
125 |
88 |
67 |
44 |
35 |
0 |
| VODI |
0 |
16 |
178 |
139 |
99 |
81 |
57 |
0 |
| ODI |
0 |
6 |
130 |
99 |
141 |
128 |
117 |
2 |
| CDI |
0 |
1 |
90 |
121 |
181 |
270 |
424 |
14 |
| VCDI |
0 |
0 |
57 |
64 |
156 |
605 |
5554 |
3038 |
|
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