Validation of sea ice concentration
Bulletin date: 2013-04-11
Model vs. observations, sea ice class contingency tables
Date: 2013-04-05:
| 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 |
12469 |
5828 |
586 |
273 |
213 |
82 |
0 |
0 |
| OW |
0 |
92 |
77 |
67 |
84 |
102 |
18 |
0 |
| VODI |
0 |
81 |
58 |
83 |
135 |
160 |
71 |
0 |
| ODI |
0 |
45 |
30 |
112 |
163 |
179 |
119 |
3 |
| CDI |
0 |
11 |
31 |
49 |
202 |
321 |
428 |
62 |
| VCDI |
0 |
0 |
18 |
106 |
155 |
901 |
8458 |
5547 |
|
...date precedes bulletin
|
Date: 2013-04-09:
| 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 |
12184 |
5760 |
575 |
420 |
175 |
123 |
7 |
0 |
| OW |
0 |
31 |
54 |
112 |
132 |
121 |
9 |
0 |
| VODI |
0 |
6 |
45 |
46 |
138 |
243 |
65 |
0 |
| ODI |
0 |
0 |
6 |
28 |
78 |
307 |
129 |
0 |
| CDI |
0 |
0 |
5 |
14 |
66 |
552 |
454 |
24 |
| VCDI |
0 |
0 |
3 |
19 |
91 |
669 |
8656 |
6072 |
|
...date precedes bulletin
|
Date: 2013-04-11:
| 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 |
12028 |
5877 |
657 |
349 |
173 |
77 |
29 |
0 |
| OW |
0 |
65 |
97 |
108 |
91 |
55 |
48 |
0 |
| VODI |
0 |
19 |
86 |
109 |
126 |
117 |
99 |
0 |
| ODI |
0 |
0 |
35 |
82 |
108 |
150 |
178 |
0 |
| CDI |
0 |
0 |
7 |
59 |
142 |
245 |
563 |
5 |
| VCDI |
0 |
0 |
1 |
22 |
186 |
653 |
9489 |
5284 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12028 |
5927 |
747 |
438 |
245 |
125 |
80 |
0 |
| OW |
0 |
23 |
42 |
65 |
66 |
47 |
42 |
0 |
| VODI |
0 |
10 |
48 |
84 |
94 |
90 |
76 |
0 |
| ODI |
0 |
1 |
25 |
43 |
81 |
126 |
138 |
0 |
| CDI |
0 |
0 |
18 |
61 |
113 |
190 |
516 |
2 |
| VCDI |
0 |
0 |
3 |
38 |
227 |
719 |
9554 |
5287 |
|
Date: 2013-04-15:
| 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 |
12731 |
5755 |
461 |
256 |
160 |
83 |
13 |
0 |
| OW |
0 |
49 |
123 |
190 |
90 |
80 |
28 |
0 |
| VODI |
0 |
3 |
24 |
149 |
175 |
180 |
114 |
0 |
| ODI |
0 |
0 |
1 |
48 |
123 |
222 |
353 |
2 |
| CDI |
0 |
0 |
0 |
18 |
47 |
296 |
1110 |
21 |
| VCDI |
0 |
0 |
0 |
14 |
45 |
434 |
8666 |
5355 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12731 |
5747 |
452 |
337 |
224 |
168 |
67 |
0 |
| OW |
0 |
35 |
31 |
66 |
55 |
51 |
36 |
0 |
| VODI |
0 |
21 |
49 |
78 |
85 |
94 |
96 |
0 |
| ODI |
0 |
3 |
41 |
57 |
74 |
117 |
159 |
2 |
| CDI |
0 |
1 |
32 |
82 |
81 |
207 |
644 |
11 |
| VCDI |
0 |
0 |
4 |
55 |
121 |
658 |
9282 |
5365 |
|
Date: 2013-04-17:
| 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 |
12724 |
5686 |
462 |
393 |
130 |
44 |
17 |
0 |
| OW |
0 |
162 |
81 |
136 |
103 |
74 |
33 |
0 |
| VODI |
0 |
27 |
67 |
165 |
140 |
91 |
147 |
0 |
| ODI |
0 |
2 |
17 |
102 |
150 |
162 |
274 |
0 |
| CDI |
0 |
0 |
4 |
46 |
170 |
290 |
682 |
6 |
| VCDI |
0 |
1 |
0 |
14 |
234 |
794 |
9365 |
4424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12724 |
5640 |
474 |
460 |
196 |
104 |
51 |
0 |
| OW |
0 |
69 |
33 |
55 |
56 |
50 |
37 |
0 |
| VODI |
0 |
94 |
22 |
81 |
81 |
67 |
100 |
0 |
| ODI |
0 |
48 |
33 |
74 |
79 |
81 |
182 |
0 |
| CDI |
0 |
22 |
56 |
88 |
159 |
217 |
608 |
3 |
| VCDI |
0 |
5 |
13 |
98 |
356 |
936 |
9540 |
4427 |
|
Date: 2013-04-19:
| 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 |
12840 |
5703 |
395 |
268 |
142 |
61 |
11 |
0 |
| OW |
0 |
174 |
148 |
111 |
94 |
74 |
28 |
0 |
| VODI |
0 |
66 |
124 |
105 |
144 |
129 |
162 |
0 |
| ODI |
0 |
20 |
49 |
66 |
126 |
174 |
285 |
0 |
| CDI |
0 |
0 |
23 |
57 |
117 |
316 |
652 |
0 |
| VCDI |
0 |
0 |
3 |
19 |
128 |
794 |
9060 |
4751 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12840 |
5642 |
438 |
322 |
215 |
132 |
61 |
0 |
| OW |
0 |
79 |
40 |
34 |
69 |
63 |
52 |
0 |
| VODI |
0 |
87 |
87 |
48 |
75 |
105 |
137 |
0 |
| ODI |
0 |
70 |
61 |
53 |
58 |
103 |
270 |
0 |
| CDI |
0 |
52 |
66 |
83 |
113 |
291 |
724 |
0 |
| VCDI |
0 |
33 |
50 |
86 |
221 |
854 |
8954 |
4751 |
|
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