Validation of sea ice concentration
Bulletin date: 2015-09-03
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2015-09-01:
| 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 |
23776 |
5377 |
953 |
426 |
102 |
8 |
0 |
0 |
| OW |
0 |
7 |
74 |
114 |
165 |
17 |
3 |
0 |
| VODI |
0 |
4 |
43 |
130 |
180 |
56 |
13 |
0 |
| ODI |
0 |
1 |
8 |
60 |
110 |
83 |
31 |
0 |
| CDI |
0 |
0 |
3 |
29 |
86 |
158 |
215 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
38 |
123 |
2769 |
1894 |
|
...date precedes bulletin
|
Date: 2015-09-03:
| 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 |
23932 |
5203 |
924 |
290 |
140 |
29 |
0 |
0 |
| OW |
0 |
20 |
80 |
96 |
150 |
40 |
3 |
0 |
| VODI |
0 |
4 |
62 |
114 |
134 |
80 |
5 |
0 |
| ODI |
0 |
0 |
32 |
51 |
123 |
87 |
23 |
0 |
| CDI |
0 |
0 |
14 |
48 |
92 |
165 |
318 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
45 |
84 |
2615 |
2062 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23932 |
5198 |
925 |
318 |
188 |
38 |
0 |
0 |
| OW |
0 |
23 |
82 |
74 |
126 |
45 |
4 |
0 |
| VODI |
0 |
6 |
68 |
106 |
116 |
67 |
6 |
0 |
| ODI |
0 |
0 |
24 |
57 |
109 |
88 |
27 |
0 |
| CDI |
0 |
0 |
13 |
44 |
99 |
160 |
298 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
46 |
87 |
2629 |
2062 |
|
Date: 2015-09-07:
| 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 |
24545 |
4633 |
757 |
349 |
171 |
31 |
0 |
0 |
| OW |
0 |
27 |
74 |
109 |
113 |
26 |
0 |
0 |
| VODI |
0 |
0 |
31 |
97 |
199 |
114 |
7 |
0 |
| ODI |
0 |
0 |
9 |
49 |
131 |
150 |
31 |
0 |
| CDI |
0 |
0 |
1 |
11 |
41 |
129 |
367 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
19 |
81 |
2343 |
2421 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24545 |
4593 |
661 |
334 |
178 |
31 |
0 |
0 |
| OW |
0 |
48 |
73 |
78 |
153 |
50 |
2 |
0 |
| VODI |
0 |
16 |
77 |
90 |
147 |
94 |
3 |
0 |
| ODI |
0 |
3 |
39 |
70 |
97 |
136 |
26 |
0 |
| CDI |
0 |
0 |
22 |
43 |
73 |
162 |
350 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
58 |
2367 |
2421 |
|
Date: 2015-09-09:
| 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 |
24000 |
5058 |
841 |
389 |
203 |
16 |
0 |
0 |
| OW |
0 |
44 |
69 |
79 |
115 |
29 |
0 |
0 |
| VODI |
0 |
10 |
45 |
88 |
182 |
74 |
1 |
0 |
| ODI |
0 |
4 |
17 |
62 |
188 |
113 |
8 |
0 |
| CDI |
0 |
0 |
5 |
19 |
68 |
151 |
351 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
122 |
2418 |
2288 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24000 |
4976 |
753 |
359 |
172 |
15 |
0 |
0 |
| OW |
0 |
64 |
63 |
64 |
121 |
36 |
0 |
0 |
| VODI |
0 |
43 |
60 |
83 |
221 |
80 |
5 |
0 |
| ODI |
0 |
18 |
57 |
57 |
136 |
110 |
22 |
0 |
| CDI |
0 |
15 |
44 |
74 |
102 |
152 |
308 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
112 |
2443 |
2288 |
|
Date: 2015-09-11:
| 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 |
24255 |
5120 |
467 |
300 |
133 |
58 |
0 |
0 |
| OW |
0 |
94 |
45 |
52 |
79 |
48 |
0 |
0 |
| VODI |
0 |
31 |
45 |
47 |
154 |
91 |
2 |
0 |
| ODI |
0 |
3 |
19 |
52 |
179 |
158 |
11 |
0 |
| CDI |
0 |
0 |
4 |
22 |
96 |
255 |
264 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
155 |
2475 |
2341 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
24255 |
4978 |
434 |
281 |
116 |
42 |
0 |
0 |
| OW |
0 |
107 |
35 |
45 |
68 |
63 |
0 |
0 |
| VODI |
0 |
91 |
33 |
43 |
189 |
97 |
2 |
0 |
| ODI |
0 |
44 |
38 |
50 |
134 |
162 |
15 |
0 |
| CDI |
0 |
28 |
40 |
54 |
132 |
256 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
145 |
2501 |
2341 |
|
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