Validation of sea ice concentration
Bulletin date: 2018-02-01
Model vs. observations, sea ice class contingency tables
Date: 2018-01-26:
| 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 |
14595 |
7110 |
962 |
476 |
154 |
37 |
1 |
0 |
| OW |
0 |
33 |
187 |
220 |
183 |
131 |
7 |
0 |
| VODI |
0 |
11 |
69 |
181 |
176 |
324 |
51 |
0 |
| ODI |
0 |
6 |
20 |
97 |
173 |
409 |
136 |
0 |
| CDI |
0 |
3 |
10 |
48 |
122 |
403 |
548 |
18 |
| VCDI |
0 |
0 |
8 |
49 |
109 |
614 |
6713 |
3765 |
|
...date precedes bulletin
|
Date: 2018-01-30:
| 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 |
14695 |
7092 |
812 |
486 |
165 |
54 |
13 |
0 |
| OW |
0 |
25 |
117 |
193 |
119 |
90 |
23 |
0 |
| VODI |
0 |
7 |
91 |
192 |
182 |
153 |
69 |
2 |
| ODI |
0 |
1 |
42 |
115 |
138 |
225 |
190 |
1 |
| CDI |
0 |
0 |
13 |
95 |
96 |
318 |
480 |
20 |
| VCDI |
0 |
0 |
2 |
45 |
83 |
499 |
5897 |
5319 |
|
...date precedes bulletin
|
Date: 2018-02-01:
| 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 |
14173 |
6831 |
852 |
508 |
264 |
206 |
14 |
0 |
| OW |
0 |
15 |
79 |
178 |
101 |
195 |
21 |
0 |
| VODI |
0 |
6 |
24 |
118 |
145 |
302 |
65 |
2 |
| ODI |
0 |
2 |
10 |
57 |
97 |
360 |
172 |
3 |
| CDI |
0 |
0 |
7 |
31 |
72 |
365 |
350 |
0 |
| VCDI |
0 |
0 |
2 |
18 |
60 |
824 |
6481 |
5149 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14173 |
6830 |
866 |
542 |
276 |
267 |
18 |
0 |
| OW |
0 |
14 |
64 |
149 |
94 |
155 |
27 |
0 |
| VODI |
0 |
7 |
24 |
113 |
137 |
289 |
55 |
0 |
| ODI |
0 |
3 |
11 |
63 |
109 |
347 |
154 |
5 |
| CDI |
0 |
0 |
7 |
27 |
65 |
387 |
372 |
0 |
| VCDI |
0 |
0 |
2 |
16 |
58 |
807 |
6477 |
5149 |
|
Date: 2018-02-05:
| 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 |
13789 |
6913 |
1619 |
549 |
201 |
90 |
8 |
0 |
| OW |
0 |
10 |
178 |
155 |
120 |
103 |
22 |
0 |
| VODI |
0 |
1 |
105 |
130 |
203 |
244 |
82 |
1 |
| ODI |
0 |
0 |
19 |
74 |
153 |
293 |
175 |
30 |
| CDI |
0 |
0 |
7 |
48 |
84 |
465 |
577 |
51 |
| VCDI |
0 |
0 |
0 |
23 |
45 |
646 |
6909 |
4037 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13789 |
6886 |
1575 |
519 |
172 |
90 |
5 |
0 |
| OW |
0 |
30 |
149 |
149 |
111 |
112 |
14 |
0 |
| VODI |
0 |
8 |
118 |
118 |
179 |
206 |
43 |
2 |
| ODI |
0 |
0 |
54 |
73 |
144 |
266 |
139 |
28 |
| CDI |
0 |
0 |
26 |
53 |
112 |
417 |
429 |
62 |
| VCDI |
0 |
0 |
6 |
67 |
88 |
750 |
7143 |
4027 |
|
Date: 2018-02-07:
| 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 |
14291 |
7062 |
1140 |
432 |
145 |
47 |
4 |
0 |
| OW |
0 |
80 |
162 |
169 |
100 |
56 |
13 |
0 |
| VODI |
0 |
58 |
116 |
166 |
141 |
89 |
67 |
0 |
| ODI |
0 |
22 |
70 |
127 |
169 |
207 |
193 |
0 |
| CDI |
0 |
7 |
49 |
124 |
236 |
431 |
518 |
19 |
| VCDI |
0 |
5 |
84 |
137 |
253 |
946 |
6804 |
3420 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14291 |
6934 |
1077 |
388 |
99 |
38 |
6 |
0 |
| OW |
0 |
122 |
173 |
183 |
123 |
46 |
10 |
0 |
| VODI |
0 |
79 |
109 |
163 |
170 |
128 |
38 |
0 |
| ODI |
0 |
39 |
77 |
127 |
176 |
222 |
117 |
0 |
| CDI |
0 |
24 |
43 |
133 |
195 |
420 |
485 |
21 |
| VCDI |
0 |
36 |
142 |
161 |
281 |
922 |
6943 |
3418 |
|
Date: 2018-02-09:
| 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 |
14483 |
6952 |
1307 |
313 |
87 |
33 |
2 |
0 |
| OW |
0 |
74 |
247 |
170 |
82 |
35 |
15 |
0 |
| VODI |
0 |
48 |
152 |
153 |
131 |
100 |
58 |
0 |
| ODI |
0 |
20 |
79 |
113 |
137 |
185 |
240 |
6 |
| CDI |
0 |
14 |
43 |
99 |
185 |
311 |
562 |
25 |
| VCDI |
0 |
4 |
72 |
134 |
247 |
685 |
6959 |
3597 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14483 |
6850 |
1111 |
244 |
58 |
26 |
4 |
0 |
| OW |
0 |
95 |
330 |
198 |
105 |
47 |
19 |
0 |
| VODI |
0 |
53 |
166 |
160 |
157 |
102 |
88 |
0 |
| ODI |
0 |
37 |
90 |
75 |
109 |
180 |
274 |
0 |
| CDI |
0 |
27 |
55 |
104 |
157 |
268 |
672 |
2 |
| VCDI |
0 |
50 |
148 |
201 |
283 |
726 |
6779 |
3626 |
|
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