Validation of sea ice concentration
Bulletin date: 2015-08-20
Model vs. observations, sea ice class contingency tables
Date: 2015-08-14:
| 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 |
22520 |
6192 |
951 |
509 |
160 |
40 |
20 |
0 |
| OW |
0 |
9 |
54 |
271 |
216 |
94 |
60 |
0 |
| VODI |
0 |
1 |
10 |
89 |
173 |
167 |
272 |
0 |
| ODI |
0 |
0 |
1 |
10 |
53 |
80 |
500 |
0 |
| CDI |
0 |
0 |
0 |
0 |
28 |
74 |
2033 |
1406 |
| VCDI |
0 |
0 |
0 |
3 |
7 |
0 |
257 |
807 |
|
...date precedes bulletin
|
Date: 2015-08-18:
| 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 |
22468 |
6162 |
1128 |
639 |
211 |
50 |
28 |
0 |
| OW |
0 |
9 |
43 |
191 |
198 |
83 |
41 |
0 |
| VODI |
0 |
0 |
1 |
89 |
175 |
144 |
201 |
0 |
| ODI |
0 |
0 |
0 |
14 |
34 |
98 |
660 |
0 |
| CDI |
0 |
0 |
0 |
2 |
12 |
35 |
1218 |
812 |
| VCDI |
0 |
0 |
0 |
7 |
3 |
30 |
918 |
1363 |
|
...date precedes bulletin
|
Date: 2015-08-20:
| 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 |
22552 |
5955 |
1301 |
649 |
236 |
37 |
15 |
0 |
| OW |
0 |
3 |
44 |
216 |
232 |
48 |
41 |
0 |
| VODI |
0 |
0 |
5 |
93 |
169 |
157 |
186 |
0 |
| ODI |
0 |
0 |
0 |
14 |
43 |
150 |
544 |
0 |
| CDI |
0 |
0 |
0 |
1 |
10 |
42 |
1306 |
660 |
| VCDI |
0 |
0 |
0 |
7 |
3 |
42 |
886 |
1420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22552 |
5958 |
1305 |
686 |
287 |
44 |
17 |
0 |
| OW |
0 |
0 |
41 |
182 |
202 |
50 |
50 |
0 |
| VODI |
0 |
0 |
4 |
89 |
144 |
150 |
177 |
0 |
| ODI |
0 |
0 |
0 |
15 |
46 |
149 |
573 |
0 |
| CDI |
0 |
0 |
0 |
2 |
11 |
39 |
1261 |
660 |
| VCDI |
0 |
0 |
0 |
6 |
3 |
44 |
900 |
1420 |
|
Date: 2015-08-24:
| 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 |
23318 |
5831 |
919 |
439 |
211 |
36 |
2 |
0 |
| OW |
0 |
2 |
66 |
178 |
176 |
46 |
8 |
0 |
| VODI |
0 |
0 |
12 |
139 |
201 |
106 |
36 |
0 |
| ODI |
0 |
0 |
7 |
22 |
88 |
126 |
130 |
0 |
| CDI |
0 |
0 |
0 |
8 |
31 |
90 |
379 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
12 |
42 |
2471 |
1933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23318 |
5815 |
876 |
473 |
314 |
70 |
11 |
0 |
| OW |
0 |
18 |
62 |
149 |
162 |
77 |
38 |
0 |
| VODI |
0 |
0 |
51 |
115 |
153 |
114 |
182 |
0 |
| ODI |
0 |
0 |
15 |
44 |
56 |
77 |
534 |
0 |
| CDI |
0 |
0 |
0 |
7 |
31 |
102 |
1433 |
500 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
6 |
828 |
1433 |
|
Date: 2015-08-26:
| 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 |
23301 |
5759 |
898 |
556 |
227 |
29 |
1 |
0 |
| OW |
0 |
8 |
63 |
134 |
156 |
64 |
4 |
0 |
| VODI |
0 |
1 |
33 |
97 |
172 |
87 |
39 |
0 |
| ODI |
0 |
0 |
17 |
34 |
77 |
89 |
85 |
0 |
| CDI |
0 |
0 |
11 |
17 |
65 |
80 |
359 |
0 |
| VCDI |
0 |
0 |
2 |
7 |
24 |
88 |
2568 |
1915 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23301 |
5729 |
853 |
534 |
307 |
71 |
14 |
0 |
| OW |
0 |
33 |
63 |
129 |
183 |
69 |
63 |
0 |
| VODI |
0 |
6 |
71 |
116 |
119 |
117 |
224 |
0 |
| ODI |
0 |
0 |
25 |
53 |
67 |
59 |
513 |
0 |
| CDI |
0 |
0 |
12 |
13 |
42 |
96 |
1272 |
411 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
25 |
970 |
1504 |
|
Date: 2015-08-28:
| 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 |
23211 |
5565 |
1061 |
598 |
249 |
33 |
0 |
0 |
| OW |
0 |
17 |
55 |
132 |
153 |
45 |
8 |
0 |
| VODI |
0 |
11 |
38 |
102 |
170 |
88 |
33 |
0 |
| ODI |
0 |
1 |
31 |
43 |
69 |
76 |
76 |
0 |
| CDI |
0 |
0 |
7 |
41 |
68 |
103 |
463 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
30 |
82 |
2583 |
1822 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23211 |
5551 |
1012 |
587 |
317 |
62 |
16 |
0 |
| OW |
0 |
36 |
55 |
130 |
193 |
80 |
79 |
0 |
| VODI |
0 |
7 |
80 |
117 |
117 |
101 |
252 |
0 |
| ODI |
0 |
0 |
35 |
73 |
71 |
66 |
497 |
0 |
| CDI |
0 |
0 |
10 |
10 |
33 |
65 |
1358 |
319 |
| VCDI |
0 |
0 |
0 |
2 |
8 |
53 |
961 |
1503 |
|
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