Validation of sea ice concentration
Bulletin date: 2018-03-08
Model vs. observations, sea ice class contingency tables
Date: 2018-03-02:
| 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 |
13838 |
7064 |
963 |
406 |
134 |
43 |
2 |
0 |
| OW |
0 |
68 |
183 |
170 |
125 |
75 |
10 |
0 |
| VODI |
0 |
32 |
72 |
171 |
184 |
184 |
81 |
0 |
| ODI |
0 |
14 |
51 |
133 |
150 |
239 |
220 |
0 |
| CDI |
0 |
7 |
64 |
95 |
147 |
257 |
793 |
6 |
| VCDI |
0 |
1 |
160 |
221 |
305 |
1444 |
7609 |
2438 |
|
...date precedes bulletin
|
Date: 2018-03-06:
| 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 |
13508 |
6672 |
1330 |
510 |
132 |
43 |
4 |
0 |
| OW |
0 |
5 |
119 |
238 |
134 |
79 |
19 |
0 |
| VODI |
0 |
0 |
31 |
146 |
176 |
200 |
79 |
0 |
| ODI |
0 |
0 |
3 |
51 |
130 |
217 |
157 |
4 |
| CDI |
0 |
0 |
0 |
9 |
90 |
378 |
468 |
122 |
| VCDI |
0 |
0 |
4 |
8 |
61 |
898 |
6275 |
5859 |
|
...date precedes bulletin
|
Date: 2018-03-08:
| 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 |
13745 |
6608 |
968 |
352 |
210 |
110 |
3 |
0 |
| OW |
0 |
32 |
135 |
167 |
114 |
107 |
15 |
0 |
| VODI |
0 |
7 |
37 |
128 |
143 |
233 |
82 |
0 |
| ODI |
0 |
4 |
6 |
57 |
110 |
200 |
159 |
13 |
| CDI |
0 |
0 |
2 |
18 |
70 |
267 |
429 |
86 |
| VCDI |
0 |
0 |
0 |
4 |
36 |
889 |
6917 |
5696 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13745 |
6616 |
957 |
354 |
219 |
119 |
3 |
0 |
| OW |
0 |
24 |
140 |
161 |
109 |
93 |
14 |
0 |
| VODI |
0 |
7 |
43 |
126 |
142 |
232 |
86 |
0 |
| ODI |
0 |
4 |
6 |
58 |
100 |
221 |
161 |
14 |
| CDI |
0 |
0 |
2 |
20 |
74 |
240 |
429 |
85 |
| VCDI |
0 |
0 |
0 |
7 |
39 |
901 |
6912 |
5696 |
|
Date: 2018-03-12:
| 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 |
13757 |
6410 |
882 |
502 |
192 |
61 |
8 |
0 |
| OW |
0 |
16 |
132 |
183 |
118 |
90 |
20 |
0 |
| VODI |
0 |
1 |
41 |
147 |
183 |
179 |
53 |
0 |
| ODI |
0 |
0 |
3 |
42 |
118 |
217 |
132 |
0 |
| CDI |
0 |
0 |
0 |
13 |
79 |
352 |
524 |
8 |
| VCDI |
0 |
0 |
0 |
6 |
22 |
697 |
7994 |
4977 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13757 |
6390 |
814 |
478 |
177 |
67 |
16 |
0 |
| OW |
0 |
34 |
147 |
152 |
114 |
62 |
18 |
0 |
| VODI |
0 |
3 |
79 |
161 |
169 |
161 |
77 |
0 |
| ODI |
0 |
0 |
16 |
62 |
139 |
217 |
153 |
0 |
| CDI |
0 |
0 |
2 |
31 |
88 |
307 |
453 |
4 |
| VCDI |
0 |
0 |
0 |
9 |
25 |
782 |
8014 |
4981 |
|
Date: 2018-03-14:
| 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 |
13806 |
6217 |
809 |
373 |
196 |
155 |
41 |
0 |
| OW |
0 |
7 |
162 |
121 |
92 |
87 |
34 |
0 |
| VODI |
0 |
1 |
66 |
106 |
101 |
157 |
111 |
0 |
| ODI |
0 |
0 |
14 |
57 |
82 |
136 |
197 |
0 |
| CDI |
0 |
0 |
3 |
32 |
50 |
163 |
630 |
32 |
| VCDI |
0 |
0 |
0 |
11 |
22 |
275 |
8200 |
5613 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13806 |
6187 |
738 |
377 |
211 |
163 |
58 |
0 |
| OW |
0 |
34 |
152 |
97 |
89 |
101 |
54 |
0 |
| VODI |
0 |
4 |
124 |
100 |
97 |
147 |
167 |
0 |
| ODI |
0 |
0 |
27 |
72 |
79 |
162 |
291 |
0 |
| CDI |
0 |
0 |
10 |
35 |
44 |
160 |
623 |
85 |
| VCDI |
0 |
0 |
3 |
19 |
23 |
240 |
8020 |
5560 |
|
Date: 2018-03-16:
| 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 |
13816 |
6124 |
918 |
327 |
160 |
113 |
48 |
0 |
| OW |
0 |
17 |
196 |
122 |
70 |
62 |
39 |
0 |
| VODI |
0 |
0 |
94 |
136 |
74 |
143 |
85 |
0 |
| ODI |
0 |
0 |
28 |
82 |
89 |
157 |
154 |
0 |
| CDI |
0 |
0 |
14 |
53 |
59 |
209 |
625 |
50 |
| VCDI |
0 |
0 |
2 |
18 |
46 |
278 |
7801 |
5950 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13816 |
6098 |
828 |
343 |
181 |
142 |
88 |
0 |
| OW |
0 |
41 |
180 |
100 |
64 |
82 |
79 |
0 |
| VODI |
0 |
2 |
158 |
111 |
84 |
161 |
143 |
0 |
| ODI |
0 |
0 |
58 |
91 |
61 |
152 |
246 |
17 |
| CDI |
0 |
0 |
19 |
71 |
55 |
172 |
709 |
97 |
| VCDI |
0 |
0 |
9 |
22 |
53 |
253 |
7487 |
5886 |
|
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