Validation of sea ice concentration
Bulletin date: 2014-08-21
Model vs. observations, sea ice class contingency tables
Date: 2014-08-15:
| 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 |
22728 |
4993 |
520 |
709 |
101 |
26 |
12 |
0 |
| OW |
0 |
40 |
48 |
302 |
109 |
23 |
14 |
0 |
| VODI |
0 |
39 |
24 |
88 |
127 |
82 |
58 |
0 |
| ODI |
0 |
15 |
26 |
58 |
56 |
81 |
103 |
0 |
| CDI |
0 |
0 |
16 |
57 |
171 |
239 |
815 |
52 |
| VCDI |
0 |
2 |
0 |
9 |
28 |
198 |
2765 |
2333 |
|
...date precedes bulletin
|
Date: 2014-08-19:
| 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 |
22717 |
4693 |
824 |
535 |
188 |
22 |
10 |
0 |
| OW |
0 |
11 |
49 |
183 |
123 |
10 |
5 |
0 |
| VODI |
0 |
1 |
40 |
134 |
166 |
45 |
13 |
0 |
| ODI |
0 |
0 |
21 |
59 |
106 |
90 |
55 |
0 |
| CDI |
0 |
0 |
16 |
45 |
88 |
346 |
370 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
30 |
297 |
3269 |
2484 |
|
...date precedes bulletin
|
Date: 2014-08-21:
| 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 |
23106 |
4222 |
597 |
651 |
307 |
45 |
20 |
0 |
| OW |
0 |
19 |
42 |
106 |
181 |
40 |
9 |
0 |
| VODI |
0 |
16 |
41 |
59 |
88 |
86 |
30 |
0 |
| ODI |
0 |
9 |
23 |
40 |
62 |
115 |
101 |
0 |
| CDI |
0 |
0 |
21 |
62 |
60 |
217 |
466 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
21 |
140 |
3077 |
2974 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23106 |
4223 |
601 |
675 |
340 |
51 |
22 |
0 |
| OW |
0 |
20 |
40 |
91 |
161 |
35 |
12 |
0 |
| VODI |
0 |
17 |
40 |
53 |
84 |
90 |
35 |
0 |
| ODI |
0 |
6 |
26 |
42 |
60 |
119 |
95 |
0 |
| CDI |
0 |
0 |
17 |
66 |
59 |
216 |
484 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
15 |
132 |
3055 |
2974 |
|
Date: 2014-08-25:
| 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 |
22995 |
4409 |
893 |
479 |
178 |
27 |
13 |
0 |
| OW |
0 |
38 |
63 |
128 |
62 |
20 |
6 |
0 |
| VODI |
0 |
31 |
41 |
54 |
119 |
67 |
47 |
0 |
| ODI |
0 |
11 |
16 |
44 |
51 |
75 |
116 |
0 |
| CDI |
0 |
0 |
35 |
45 |
69 |
121 |
477 |
13 |
| VCDI |
0 |
0 |
1 |
18 |
57 |
140 |
3060 |
3048 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22995 |
4313 |
877 |
489 |
210 |
44 |
22 |
0 |
| OW |
0 |
53 |
47 |
105 |
72 |
28 |
18 |
0 |
| VODI |
0 |
59 |
33 |
39 |
63 |
51 |
66 |
0 |
| ODI |
0 |
47 |
47 |
36 |
42 |
53 |
95 |
0 |
| CDI |
0 |
17 |
36 |
84 |
96 |
136 |
555 |
43 |
| VCDI |
0 |
0 |
9 |
15 |
53 |
138 |
2963 |
3018 |
|
Date: 2014-08-27:
| 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 |
21653 |
5312 |
997 |
563 |
396 |
97 |
27 |
0 |
| OW |
0 |
20 |
28 |
132 |
64 |
33 |
16 |
0 |
| VODI |
0 |
9 |
25 |
93 |
96 |
52 |
44 |
0 |
| ODI |
0 |
7 |
21 |
40 |
72 |
75 |
118 |
4 |
| CDI |
0 |
8 |
17 |
52 |
91 |
153 |
519 |
28 |
| VCDI |
0 |
0 |
0 |
2 |
35 |
184 |
3164 |
2820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21653 |
5249 |
964 |
579 |
404 |
125 |
46 |
0 |
| OW |
0 |
39 |
39 |
98 |
71 |
32 |
28 |
0 |
| VODI |
0 |
41 |
29 |
71 |
64 |
50 |
64 |
0 |
| ODI |
0 |
22 |
33 |
53 |
77 |
59 |
119 |
0 |
| CDI |
0 |
5 |
23 |
54 |
107 |
155 |
686 |
123 |
| VCDI |
0 |
0 |
0 |
27 |
31 |
173 |
2945 |
2729 |
|
Date: 2014-08-29:
| 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 |
21635 |
5311 |
1053 |
792 |
243 |
29 |
2 |
0 |
| OW |
0 |
71 |
32 |
96 |
97 |
25 |
12 |
0 |
| VODI |
0 |
39 |
33 |
67 |
82 |
77 |
39 |
0 |
| ODI |
0 |
22 |
20 |
43 |
89 |
77 |
103 |
0 |
| CDI |
0 |
20 |
39 |
44 |
138 |
152 |
482 |
8 |
| VCDI |
0 |
0 |
6 |
19 |
45 |
221 |
3275 |
2529 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21635 |
5222 |
1050 |
772 |
293 |
51 |
15 |
0 |
| OW |
0 |
76 |
24 |
71 |
67 |
33 |
20 |
0 |
| VODI |
0 |
78 |
25 |
79 |
67 |
63 |
56 |
0 |
| ODI |
0 |
61 |
25 |
53 |
76 |
71 |
100 |
0 |
| CDI |
0 |
26 |
50 |
70 |
133 |
177 |
606 |
17 |
| VCDI |
0 |
0 |
9 |
16 |
58 |
186 |
3116 |
2520 |
|
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