Validation of sea ice concentration
Bulletin date: 2012-08-16
Model vs. observations, sea ice class contingency tables
Date: 2012-08-10:
| 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 |
24055 |
4320 |
670 |
745 |
488 |
24 |
0 |
0 |
| OW |
0 |
3 |
47 |
131 |
269 |
52 |
29 |
0 |
| VODI |
0 |
0 |
0 |
99 |
373 |
376 |
79 |
0 |
| ODI |
0 |
0 |
0 |
57 |
177 |
416 |
540 |
0 |
| CDI |
0 |
0 |
0 |
7 |
3 |
35 |
1545 |
1446 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
88 |
1345 |
|
...date precedes bulletin
|
Date: 2012-08-14:
| 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 |
24428 |
4344 |
534 |
657 |
307 |
26 |
0 |
0 |
| OW |
0 |
16 |
53 |
191 |
143 |
35 |
22 |
0 |
| VODI |
0 |
3 |
13 |
225 |
420 |
277 |
141 |
0 |
| ODI |
0 |
0 |
0 |
18 |
106 |
201 |
370 |
19 |
| CDI |
0 |
0 |
0 |
0 |
20 |
146 |
869 |
551 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
962 |
2319 |
|
...date precedes bulletin
|
Date: 2012-08-16:
| 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 |
24753 |
3934 |
456 |
828 |
194 |
49 |
2 |
0 |
| OW |
0 |
15 |
54 |
211 |
116 |
41 |
20 |
0 |
| VODI |
0 |
3 |
13 |
243 |
438 |
285 |
144 |
0 |
| ODI |
0 |
0 |
1 |
40 |
124 |
163 |
252 |
1 |
| CDI |
0 |
0 |
0 |
1 |
55 |
250 |
1122 |
1050 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
29 |
896 |
1636 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24753 |
3951 |
504 |
1130 |
502 |
165 |
62 |
0 |
| OW |
0 |
1 |
13 |
57 |
74 |
65 |
27 |
0 |
| VODI |
0 |
0 |
7 |
72 |
164 |
131 |
76 |
0 |
| ODI |
0 |
0 |
0 |
54 |
108 |
138 |
291 |
0 |
| CDI |
0 |
0 |
0 |
10 |
77 |
242 |
845 |
1361 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
76 |
1135 |
1326 |
|
Date: 2012-08-20:
| 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 |
24730 |
3866 |
536 |
825 |
203 |
36 |
17 |
0 |
| OW |
0 |
2 |
62 |
188 |
127 |
48 |
24 |
0 |
| VODI |
0 |
0 |
5 |
147 |
471 |
233 |
65 |
0 |
| ODI |
0 |
0 |
0 |
23 |
171 |
379 |
205 |
0 |
| CDI |
0 |
0 |
0 |
2 |
32 |
249 |
696 |
1380 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
32 |
1361 |
1304 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24730 |
3866 |
571 |
1028 |
537 |
206 |
105 |
0 |
| OW |
0 |
2 |
18 |
60 |
98 |
57 |
54 |
0 |
| VODI |
0 |
0 |
12 |
55 |
156 |
139 |
112 |
0 |
| ODI |
0 |
0 |
2 |
30 |
76 |
108 |
236 |
6 |
| CDI |
0 |
0 |
0 |
12 |
134 |
422 |
1282 |
2143 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
45 |
579 |
535 |
|
Date: 2012-08-22:
| 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 |
24860 |
3909 |
490 |
615 |
260 |
63 |
14 |
0 |
| OW |
0 |
59 |
40 |
175 |
196 |
24 |
9 |
0 |
| VODI |
0 |
0 |
6 |
95 |
458 |
314 |
35 |
0 |
| ODI |
0 |
0 |
1 |
29 |
205 |
268 |
138 |
0 |
| CDI |
0 |
0 |
0 |
4 |
103 |
454 |
591 |
763 |
| VCDI |
0 |
0 |
0 |
6 |
18 |
124 |
1454 |
1639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24860 |
3916 |
502 |
766 |
655 |
232 |
56 |
0 |
| OW |
0 |
24 |
11 |
44 |
110 |
89 |
32 |
0 |
| VODI |
0 |
18 |
12 |
49 |
147 |
137 |
70 |
0 |
| ODI |
0 |
10 |
8 |
36 |
100 |
167 |
141 |
1 |
| CDI |
0 |
0 |
4 |
26 |
218 |
605 |
1528 |
1895 |
| VCDI |
0 |
0 |
0 |
3 |
10 |
17 |
414 |
506 |
|
Date: 2012-08-24:
| 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 |
25020 |
3886 |
412 |
687 |
183 |
25 |
14 |
0 |
| OW |
0 |
153 |
64 |
154 |
127 |
28 |
15 |
0 |
| VODI |
0 |
9 |
41 |
180 |
469 |
124 |
29 |
0 |
| ODI |
0 |
0 |
1 |
68 |
277 |
196 |
117 |
0 |
| CDI |
0 |
0 |
0 |
17 |
149 |
499 |
555 |
156 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
64 |
1440 |
2250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25020 |
3926 |
454 |
887 |
554 |
123 |
52 |
0 |
| OW |
0 |
36 |
14 |
59 |
97 |
26 |
30 |
0 |
| VODI |
0 |
34 |
13 |
64 |
129 |
85 |
52 |
0 |
| ODI |
0 |
46 |
12 |
35 |
105 |
127 |
131 |
17 |
| CDI |
0 |
6 |
25 |
61 |
329 |
563 |
1487 |
1795 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
12 |
418 |
594 |
|
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