Validation of sea ice concentration
Bulletin date: 2014-09-25
Model vs. observations, sea ice class contingency tables
Date: 2014-09-19:
| 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 |
22253 |
4869 |
948 |
440 |
80 |
3 |
0 |
0 |
| OW |
0 |
55 |
99 |
117 |
60 |
20 |
4 |
0 |
| VODI |
0 |
11 |
77 |
199 |
110 |
53 |
12 |
0 |
| ODI |
0 |
0 |
22 |
124 |
139 |
73 |
41 |
0 |
| CDI |
0 |
0 |
2 |
104 |
264 |
310 |
309 |
0 |
| VCDI |
0 |
0 |
3 |
41 |
155 |
409 |
2687 |
2974 |
|
...date precedes bulletin
|
Date: 2014-09-23:
| 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 |
21891 |
5050 |
1203 |
507 |
159 |
15 |
0 |
0 |
| OW |
0 |
0 |
192 |
119 |
103 |
22 |
0 |
0 |
| VODI |
0 |
0 |
104 |
129 |
143 |
60 |
6 |
0 |
| ODI |
0 |
0 |
17 |
147 |
180 |
142 |
43 |
0 |
| CDI |
0 |
0 |
1 |
109 |
245 |
319 |
648 |
14 |
| VCDI |
0 |
0 |
0 |
1 |
33 |
101 |
2062 |
3302 |
|
...date precedes bulletin
|
Date: 2014-09-25:
| 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 |
22798 |
4587 |
959 |
401 |
68 |
22 |
2 |
0 |
| OW |
0 |
47 |
114 |
133 |
93 |
29 |
13 |
0 |
| VODI |
0 |
16 |
124 |
109 |
123 |
66 |
30 |
0 |
| ODI |
0 |
1 |
57 |
65 |
148 |
64 |
40 |
0 |
| CDI |
0 |
0 |
35 |
113 |
225 |
249 |
328 |
0 |
| VCDI |
0 |
0 |
76 |
74 |
107 |
156 |
2730 |
2865 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22798 |
4579 |
921 |
426 |
87 |
24 |
5 |
0 |
| OW |
0 |
49 |
148 |
114 |
79 |
23 |
9 |
0 |
| VODI |
0 |
22 |
125 |
98 |
111 |
66 |
27 |
0 |
| ODI |
0 |
1 |
67 |
65 |
150 |
66 |
40 |
0 |
| CDI |
0 |
0 |
23 |
121 |
225 |
246 |
312 |
0 |
| VCDI |
0 |
0 |
81 |
71 |
112 |
161 |
2750 |
2865 |
|
Date: 2014-09-29:
| 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 |
23561 |
4162 |
415 |
80 |
22 |
4 |
0 |
0 |
| OW |
0 |
150 |
126 |
67 |
23 |
2 |
0 |
0 |
| VODI |
0 |
76 |
148 |
165 |
106 |
35 |
9 |
0 |
| ODI |
0 |
10 |
58 |
159 |
177 |
114 |
68 |
0 |
| CDI |
0 |
0 |
19 |
101 |
295 |
297 |
296 |
0 |
| VCDI |
0 |
0 |
10 |
18 |
167 |
401 |
2558 |
3168 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23561 |
4188 |
354 |
82 |
23 |
4 |
0 |
0 |
| OW |
0 |
104 |
206 |
68 |
49 |
11 |
1 |
0 |
| VODI |
0 |
57 |
97 |
135 |
71 |
41 |
14 |
0 |
| ODI |
0 |
27 |
53 |
120 |
126 |
44 |
33 |
0 |
| CDI |
0 |
22 |
41 |
88 |
159 |
158 |
160 |
0 |
| VCDI |
0 |
0 |
25 |
97 |
362 |
595 |
2723 |
3168 |
|
Date: 2014-10-01:
| 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 |
22392 |
4513 |
759 |
275 |
76 |
21 |
2 |
0 |
| OW |
0 |
6 |
98 |
176 |
59 |
12 |
3 |
0 |
| VODI |
0 |
0 |
58 |
188 |
131 |
20 |
2 |
0 |
| ODI |
0 |
0 |
19 |
165 |
193 |
60 |
24 |
0 |
| CDI |
0 |
0 |
15 |
113 |
240 |
189 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
104 |
378 |
644 |
3239 |
2766 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22392 |
4479 |
779 |
269 |
68 |
22 |
2 |
0 |
| OW |
0 |
25 |
76 |
198 |
70 |
17 |
2 |
0 |
| VODI |
0 |
13 |
48 |
177 |
129 |
22 |
3 |
0 |
| ODI |
0 |
2 |
26 |
145 |
149 |
35 |
14 |
0 |
| CDI |
0 |
0 |
20 |
95 |
194 |
114 |
59 |
0 |
| VCDI |
0 |
0 |
0 |
137 |
467 |
736 |
3317 |
2766 |
|
Date: 2014-10-03:
| 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 |
22016 |
4775 |
752 |
282 |
86 |
16 |
1 |
0 |
| OW |
0 |
45 |
115 |
163 |
127 |
23 |
1 |
0 |
| VODI |
0 |
13 |
59 |
87 |
176 |
68 |
17 |
0 |
| ODI |
0 |
6 |
22 |
77 |
122 |
94 |
47 |
0 |
| CDI |
0 |
0 |
17 |
74 |
132 |
193 |
162 |
0 |
| VCDI |
0 |
0 |
1 |
80 |
154 |
290 |
3165 |
3609 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22016 |
4728 |
790 |
366 |
142 |
38 |
6 |
0 |
| OW |
0 |
68 |
79 |
85 |
155 |
32 |
13 |
0 |
| VODI |
0 |
28 |
45 |
74 |
125 |
76 |
36 |
0 |
| ODI |
0 |
10 |
25 |
78 |
79 |
75 |
38 |
0 |
| CDI |
0 |
5 |
24 |
83 |
123 |
148 |
109 |
2 |
| VCDI |
0 |
0 |
3 |
77 |
173 |
315 |
3191 |
3607 |
|
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