Validation of sea ice concentration
Bulletin date: 2013-10-10
Model vs. observations, sea ice class contingency tables
Date: 2013-10-04:
| 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 |
25504 |
5463 |
240 |
122 |
38 |
11 |
0 |
0 |
| OW |
5 |
466 |
75 |
80 |
25 |
19 |
0 |
0 |
| VODI |
0 |
120 |
146 |
120 |
71 |
38 |
1 |
0 |
| ODI |
0 |
1 |
14 |
106 |
140 |
108 |
17 |
0 |
| CDI |
0 |
0 |
0 |
32 |
182 |
257 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
54 |
272 |
1645 |
1903 |
|
...date precedes bulletin
|
Date: 2013-10-08:
| 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 |
24783 |
6079 |
371 |
172 |
28 |
7 |
0 |
0 |
| OW |
0 |
75 |
125 |
133 |
45 |
14 |
0 |
0 |
| VODI |
0 |
9 |
39 |
110 |
95 |
50 |
1 |
0 |
| ODI |
0 |
0 |
5 |
32 |
90 |
154 |
19 |
0 |
| CDI |
0 |
0 |
0 |
4 |
77 |
379 |
83 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
50 |
462 |
1957 |
1966 |
|
...date precedes bulletin
|
Date: 2013-10-10:
| 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 |
24621 |
5599 |
359 |
67 |
11 |
8 |
0 |
0 |
| OW |
8 |
462 |
138 |
81 |
28 |
15 |
0 |
0 |
| VODI |
0 |
31 |
106 |
123 |
96 |
78 |
0 |
0 |
| ODI |
0 |
7 |
14 |
30 |
67 |
160 |
2 |
0 |
| CDI |
0 |
1 |
6 |
14 |
62 |
300 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
57 |
625 |
1940 |
2257 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24629 |
6078 |
557 |
201 |
105 |
51 |
0 |
0 |
| OW |
0 |
13 |
26 |
36 |
33 |
24 |
0 |
0 |
| VODI |
0 |
6 |
26 |
38 |
31 |
57 |
1 |
0 |
| ODI |
0 |
2 |
8 |
20 |
30 |
61 |
4 |
0 |
| CDI |
0 |
1 |
6 |
16 |
38 |
142 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
84 |
851 |
1949 |
2257 |
|
Date: 2013-10-14:
| 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 |
23439 |
6035 |
312 |
102 |
29 |
5 |
0 |
0 |
| OW |
29 |
635 |
120 |
117 |
47 |
17 |
0 |
0 |
| VODI |
0 |
126 |
100 |
163 |
88 |
60 |
2 |
0 |
| ODI |
0 |
0 |
1 |
61 |
103 |
154 |
13 |
0 |
| CDI |
0 |
0 |
0 |
4 |
63 |
306 |
94 |
1 |
| VCDI |
0 |
0 |
0 |
1 |
60 |
578 |
2382 |
2172 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23468 |
6741 |
421 |
248 |
118 |
70 |
0 |
0 |
| OW |
0 |
34 |
24 |
24 |
19 |
20 |
0 |
0 |
| VODI |
0 |
17 |
40 |
49 |
36 |
41 |
0 |
0 |
| ODI |
0 |
4 |
25 |
46 |
35 |
79 |
15 |
0 |
| CDI |
0 |
0 |
19 |
32 |
43 |
105 |
29 |
0 |
| VCDI |
0 |
0 |
4 |
49 |
139 |
805 |
2447 |
2173 |
|
Date: 2013-10-16:
| 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 |
23158 |
5376 |
269 |
90 |
61 |
20 |
0 |
0 |
| OW |
48 |
534 |
88 |
68 |
81 |
48 |
0 |
0 |
| VODI |
14 |
524 |
136 |
179 |
92 |
89 |
0 |
0 |
| ODI |
0 |
127 |
57 |
106 |
49 |
110 |
5 |
0 |
| CDI |
0 |
3 |
16 |
60 |
69 |
228 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
101 |
623 |
2493 |
2465 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23220 |
6369 |
461 |
358 |
187 |
167 |
1 |
0 |
| OW |
0 |
59 |
20 |
22 |
25 |
33 |
0 |
0 |
| VODI |
0 |
65 |
21 |
23 |
27 |
46 |
1 |
0 |
| ODI |
0 |
34 |
10 |
10 |
19 |
60 |
2 |
0 |
| CDI |
0 |
32 |
23 |
30 |
52 |
135 |
10 |
0 |
| VCDI |
0 |
5 |
31 |
72 |
143 |
677 |
2504 |
2465 |
|
Date: 2013-10-18:
| 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 |
21386 |
6216 |
306 |
127 |
58 |
16 |
0 |
0 |
| OW |
1 |
623 |
151 |
148 |
88 |
65 |
0 |
0 |
| VODI |
13 |
301 |
105 |
317 |
148 |
151 |
1 |
0 |
| ODI |
2 |
108 |
37 |
66 |
219 |
228 |
0 |
0 |
| CDI |
0 |
37 |
71 |
81 |
40 |
180 |
9 |
7 |
| VCDI |
0 |
0 |
1 |
65 |
130 |
672 |
2611 |
2634 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21402 |
7126 |
554 |
593 |
411 |
342 |
1 |
0 |
| OW |
0 |
41 |
28 |
24 |
16 |
45 |
0 |
0 |
| VODI |
0 |
61 |
30 |
34 |
38 |
56 |
2 |
0 |
| ODI |
0 |
25 |
14 |
34 |
34 |
58 |
0 |
0 |
| CDI |
0 |
25 |
22 |
20 |
25 |
90 |
5 |
1 |
| VCDI |
0 |
7 |
23 |
99 |
159 |
721 |
2613 |
2640 |
|
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