Validation of sea ice concentration
Bulletin date: 2017-02-16
Model vs. observations, sea ice class contingency tables
Date: 2017-02-10:
| 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 |
15402 |
6228 |
865 |
416 |
141 |
38 |
27 |
0 |
| OW |
0 |
126 |
272 |
188 |
110 |
33 |
33 |
0 |
| VODI |
0 |
38 |
255 |
254 |
168 |
79 |
94 |
0 |
| ODI |
0 |
6 |
93 |
166 |
212 |
141 |
163 |
11 |
| CDI |
0 |
0 |
63 |
111 |
202 |
387 |
627 |
52 |
| VCDI |
0 |
0 |
64 |
72 |
209 |
719 |
7238 |
2856 |
|
...date precedes bulletin
|
Date: 2017-02-14:
| 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 |
14542 |
6586 |
923 |
491 |
171 |
55 |
14 |
0 |
| OW |
0 |
70 |
186 |
217 |
117 |
45 |
14 |
0 |
| VODI |
0 |
18 |
172 |
235 |
208 |
98 |
47 |
0 |
| ODI |
0 |
1 |
102 |
267 |
357 |
340 |
180 |
0 |
| CDI |
0 |
0 |
54 |
102 |
227 |
444 |
511 |
1 |
| VCDI |
0 |
0 |
37 |
60 |
216 |
934 |
7137 |
2980 |
|
...date precedes bulletin
|
Date: 2017-02-16:
| 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 |
14262 |
6451 |
848 |
462 |
166 |
97 |
21 |
0 |
| OW |
0 |
28 |
216 |
195 |
134 |
82 |
16 |
0 |
| VODI |
0 |
6 |
122 |
202 |
212 |
144 |
62 |
0 |
| ODI |
0 |
1 |
27 |
100 |
238 |
230 |
106 |
0 |
| CDI |
0 |
0 |
12 |
50 |
300 |
488 |
330 |
1 |
| VCDI |
0 |
0 |
31 |
83 |
255 |
1014 |
7825 |
3342 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14262 |
6469 |
904 |
485 |
172 |
121 |
24 |
0 |
| OW |
0 |
10 |
184 |
178 |
124 |
64 |
19 |
0 |
| VODI |
0 |
6 |
92 |
202 |
216 |
150 |
80 |
0 |
| ODI |
0 |
1 |
33 |
94 |
235 |
221 |
118 |
0 |
| CDI |
0 |
0 |
12 |
50 |
327 |
485 |
311 |
0 |
| VCDI |
0 |
0 |
31 |
83 |
231 |
1014 |
7808 |
3343 |
|
Date: 2017-02-20:
| 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 |
14041 |
6360 |
741 |
513 |
208 |
87 |
49 |
0 |
| OW |
0 |
18 |
110 |
110 |
94 |
70 |
44 |
0 |
| VODI |
0 |
0 |
135 |
154 |
119 |
147 |
80 |
1 |
| ODI |
0 |
0 |
57 |
109 |
153 |
241 |
160 |
5 |
| CDI |
0 |
0 |
4 |
33 |
95 |
392 |
487 |
34 |
| VCDI |
0 |
0 |
10 |
27 |
73 |
769 |
8320 |
4109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14041 |
6346 |
725 |
453 |
222 |
120 |
96 |
0 |
| OW |
0 |
27 |
158 |
135 |
76 |
86 |
49 |
0 |
| VODI |
0 |
5 |
119 |
161 |
120 |
162 |
136 |
6 |
| ODI |
0 |
0 |
30 |
101 |
106 |
168 |
180 |
4 |
| CDI |
0 |
0 |
11 |
61 |
117 |
330 |
466 |
32 |
| VCDI |
0 |
0 |
14 |
35 |
101 |
840 |
8213 |
4107 |
|
Date: 2017-02-22:
| 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 |
13795 |
6570 |
701 |
520 |
163 |
65 |
15 |
0 |
| OW |
0 |
53 |
112 |
129 |
95 |
56 |
19 |
0 |
| VODI |
0 |
18 |
83 |
159 |
116 |
120 |
45 |
1 |
| ODI |
0 |
5 |
105 |
127 |
97 |
166 |
90 |
3 |
| CDI |
0 |
0 |
54 |
93 |
143 |
323 |
442 |
28 |
| VCDI |
0 |
0 |
9 |
72 |
138 |
935 |
8197 |
4297 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13795 |
6481 |
643 |
519 |
192 |
108 |
38 |
0 |
| OW |
0 |
111 |
177 |
119 |
81 |
68 |
28 |
0 |
| VODI |
0 |
37 |
134 |
162 |
103 |
138 |
83 |
1 |
| ODI |
0 |
15 |
61 |
111 |
108 |
185 |
164 |
7 |
| CDI |
0 |
2 |
33 |
93 |
108 |
254 |
423 |
35 |
| VCDI |
0 |
0 |
16 |
96 |
160 |
912 |
8072 |
4286 |
|
Date: 2017-02-24:
| 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 |
13581 |
6558 |
993 |
402 |
141 |
43 |
9 |
0 |
| OW |
0 |
62 |
155 |
149 |
104 |
58 |
30 |
0 |
| VODI |
0 |
25 |
122 |
118 |
114 |
108 |
75 |
0 |
| ODI |
0 |
7 |
56 |
88 |
89 |
141 |
193 |
0 |
| CDI |
0 |
2 |
34 |
115 |
148 |
294 |
406 |
13 |
| VCDI |
0 |
0 |
42 |
92 |
215 |
884 |
7235 |
5258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13581 |
6506 |
856 |
422 |
164 |
97 |
30 |
0 |
| OW |
0 |
80 |
161 |
97 |
91 |
66 |
49 |
0 |
| VODI |
0 |
46 |
146 |
106 |
88 |
166 |
98 |
0 |
| ODI |
0 |
12 |
96 |
93 |
77 |
212 |
181 |
1 |
| CDI |
0 |
8 |
88 |
108 |
149 |
227 |
370 |
113 |
| VCDI |
0 |
2 |
55 |
138 |
242 |
760 |
7220 |
5157 |
|
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