Validation of sea ice concentration
Bulletin date: 2014-09-18
Model vs. observations, sea ice class contingency tables
Date: 2014-09-12:
| 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 |
22240 |
5133 |
987 |
278 |
67 |
9 |
4 |
0 |
| OW |
0 |
42 |
99 |
132 |
76 |
18 |
6 |
0 |
| VODI |
0 |
15 |
86 |
111 |
90 |
57 |
15 |
0 |
| ODI |
0 |
9 |
22 |
96 |
89 |
76 |
80 |
0 |
| CDI |
0 |
4 |
23 |
103 |
176 |
275 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
62 |
187 |
3456 |
2593 |
|
...date precedes bulletin
|
Date: 2014-09-16:
| 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 |
21930 |
5143 |
1297 |
428 |
62 |
14 |
0 |
0 |
| OW |
0 |
18 |
90 |
131 |
52 |
18 |
7 |
0 |
| VODI |
0 |
3 |
74 |
155 |
95 |
40 |
24 |
0 |
| ODI |
0 |
1 |
29 |
121 |
122 |
88 |
77 |
0 |
| CDI |
0 |
0 |
13 |
111 |
218 |
222 |
450 |
0 |
| VCDI |
0 |
0 |
2 |
10 |
90 |
215 |
2932 |
2785 |
|
...date precedes bulletin
|
Date: 2014-09-18:
| 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 |
22873 |
4445 |
909 |
371 |
76 |
12 |
3 |
0 |
| OW |
0 |
59 |
91 |
101 |
64 |
28 |
5 |
0 |
| VODI |
0 |
17 |
82 |
150 |
122 |
53 |
28 |
0 |
| ODI |
0 |
1 |
31 |
87 |
126 |
122 |
48 |
0 |
| CDI |
0 |
0 |
3 |
65 |
199 |
291 |
399 |
0 |
| VCDI |
0 |
0 |
3 |
24 |
96 |
247 |
2613 |
3223 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22873 |
4474 |
941 |
393 |
92 |
18 |
4 |
0 |
| OW |
0 |
31 |
72 |
99 |
56 |
28 |
7 |
0 |
| VODI |
0 |
15 |
70 |
141 |
115 |
52 |
24 |
0 |
| ODI |
0 |
2 |
30 |
70 |
126 |
123 |
53 |
0 |
| CDI |
0 |
0 |
2 |
74 |
202 |
289 |
392 |
0 |
| VCDI |
0 |
0 |
4 |
21 |
92 |
243 |
2616 |
3223 |
|
Date: 2014-09-22:
| 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 |
22614 |
5088 |
611 |
324 |
69 |
17 |
0 |
0 |
| OW |
0 |
57 |
164 |
125 |
82 |
23 |
1 |
0 |
| VODI |
0 |
8 |
52 |
141 |
195 |
75 |
9 |
0 |
| ODI |
0 |
0 |
14 |
93 |
208 |
172 |
65 |
10 |
| CDI |
0 |
0 |
0 |
54 |
233 |
320 |
788 |
45 |
| VCDI |
0 |
0 |
0 |
1 |
26 |
121 |
1842 |
3420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22614 |
5076 |
579 |
293 |
79 |
19 |
0 |
0 |
| OW |
0 |
42 |
115 |
63 |
50 |
19 |
0 |
0 |
| VODI |
0 |
28 |
92 |
123 |
97 |
46 |
4 |
0 |
| ODI |
0 |
6 |
44 |
110 |
125 |
76 |
20 |
7 |
| CDI |
0 |
1 |
11 |
112 |
306 |
296 |
262 |
43 |
| VCDI |
0 |
0 |
0 |
37 |
156 |
272 |
2419 |
3425 |
|
Date: 2014-09-24:
| 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 |
22513 |
4908 |
927 |
395 |
77 |
20 |
0 |
0 |
| OW |
0 |
36 |
129 |
131 |
92 |
40 |
7 |
0 |
| VODI |
0 |
8 |
127 |
82 |
107 |
68 |
49 |
0 |
| ODI |
0 |
0 |
33 |
86 |
130 |
95 |
90 |
0 |
| CDI |
0 |
0 |
9 |
103 |
209 |
302 |
456 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
66 |
133 |
2413 |
3214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22505 |
4838 |
865 |
314 |
77 |
14 |
0 |
0 |
| OW |
8 |
83 |
99 |
84 |
34 |
25 |
3 |
0 |
| VODI |
0 |
24 |
158 |
134 |
75 |
44 |
18 |
0 |
| ODI |
0 |
5 |
56 |
118 |
97 |
54 |
57 |
0 |
| CDI |
0 |
2 |
34 |
107 |
231 |
197 |
221 |
0 |
| VCDI |
0 |
0 |
13 |
52 |
167 |
324 |
2716 |
3214 |
|
Date: 2014-09-26:
| 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 |
23065 |
4389 |
915 |
361 |
58 |
10 |
4 |
0 |
| OW |
0 |
14 |
125 |
144 |
88 |
29 |
8 |
0 |
| VODI |
0 |
9 |
92 |
151 |
119 |
78 |
21 |
0 |
| ODI |
0 |
1 |
47 |
101 |
102 |
87 |
36 |
0 |
| CDI |
0 |
0 |
16 |
142 |
180 |
285 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
55 |
88 |
197 |
2688 |
3105 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23057 |
4331 |
803 |
322 |
45 |
13 |
7 |
0 |
| OW |
8 |
52 |
154 |
83 |
39 |
8 |
10 |
0 |
| VODI |
0 |
14 |
137 |
159 |
98 |
41 |
13 |
0 |
| ODI |
0 |
8 |
50 |
144 |
128 |
73 |
30 |
0 |
| CDI |
0 |
7 |
42 |
133 |
168 |
148 |
109 |
0 |
| VCDI |
0 |
1 |
9 |
113 |
157 |
403 |
2845 |
3105 |
|
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