Validation of sea ice concentration
Bulletin date: 2016-12-01
Model vs. observations, sea ice class contingency tables
Date: 2016-11-25:
| 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 |
18702 |
8895 |
836 |
303 |
144 |
168 |
3 |
0 |
| OW |
4 |
129 |
149 |
98 |
96 |
70 |
3 |
0 |
| VODI |
0 |
44 |
140 |
112 |
135 |
182 |
20 |
0 |
| ODI |
0 |
1 |
44 |
81 |
148 |
297 |
65 |
0 |
| CDI |
0 |
0 |
16 |
47 |
76 |
247 |
229 |
0 |
| VCDI |
0 |
0 |
1 |
20 |
44 |
232 |
3878 |
2500 |
|
...date precedes bulletin
|
Date: 2016-11-29:
| 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 |
18480 |
7852 |
1116 |
534 |
162 |
117 |
9 |
0 |
| OW |
16 |
55 |
143 |
140 |
79 |
58 |
5 |
0 |
| VODI |
7 |
18 |
101 |
141 |
80 |
117 |
40 |
0 |
| ODI |
0 |
2 |
30 |
93 |
86 |
182 |
132 |
0 |
| CDI |
0 |
0 |
3 |
50 |
60 |
240 |
509 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
28 |
293 |
4392 |
2783 |
|
...date precedes bulletin
|
Date: 2016-12-01:
| 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 |
17622 |
7915 |
1241 |
532 |
215 |
98 |
16 |
0 |
| OW |
0 |
138 |
237 |
181 |
87 |
41 |
5 |
0 |
| VODI |
0 |
3 |
103 |
158 |
116 |
123 |
20 |
0 |
| ODI |
0 |
1 |
44 |
93 |
99 |
194 |
76 |
0 |
| CDI |
0 |
0 |
9 |
69 |
65 |
304 |
266 |
4 |
| VCDI |
0 |
0 |
0 |
22 |
42 |
502 |
4475 |
3043 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17622 |
7930 |
1276 |
541 |
218 |
101 |
15 |
0 |
| OW |
0 |
120 |
201 |
178 |
91 |
47 |
5 |
0 |
| VODI |
0 |
6 |
105 |
152 |
123 |
122 |
20 |
0 |
| ODI |
0 |
1 |
39 |
92 |
80 |
203 |
79 |
0 |
| CDI |
0 |
0 |
13 |
67 |
69 |
300 |
279 |
3 |
| VCDI |
0 |
0 |
0 |
25 |
43 |
489 |
4460 |
3044 |
|
Date: 2016-12-05:
| 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 |
17123 |
8126 |
1382 |
475 |
141 |
119 |
41 |
0 |
| OW |
0 |
79 |
86 |
166 |
113 |
36 |
11 |
0 |
| VODI |
0 |
36 |
52 |
154 |
181 |
110 |
9 |
0 |
| ODI |
0 |
4 |
10 |
63 |
121 |
183 |
52 |
0 |
| CDI |
0 |
1 |
7 |
43 |
69 |
337 |
305 |
1 |
| VCDI |
0 |
0 |
0 |
8 |
50 |
773 |
4527 |
3165 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17123 |
7901 |
1202 |
370 |
131 |
124 |
47 |
0 |
| OW |
0 |
225 |
193 |
177 |
70 |
53 |
12 |
0 |
| VODI |
0 |
90 |
98 |
182 |
183 |
94 |
23 |
0 |
| ODI |
0 |
21 |
30 |
74 |
133 |
149 |
57 |
0 |
| CDI |
0 |
7 |
11 |
75 |
79 |
327 |
350 |
1 |
| VCDI |
0 |
2 |
3 |
31 |
79 |
811 |
4456 |
3165 |
|
Date: 2016-12-07:
| 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 |
16319 |
8470 |
1105 |
505 |
273 |
172 |
36 |
0 |
| OW |
0 |
25 |
138 |
166 |
104 |
114 |
27 |
0 |
| VODI |
0 |
5 |
75 |
152 |
129 |
147 |
57 |
0 |
| ODI |
0 |
0 |
23 |
104 |
94 |
187 |
75 |
0 |
| CDI |
0 |
0 |
8 |
36 |
99 |
210 |
293 |
17 |
| VCDI |
0 |
0 |
6 |
11 |
62 |
345 |
4608 |
3962 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16319 |
8153 |
902 |
435 |
267 |
215 |
84 |
0 |
| OW |
0 |
206 |
209 |
155 |
91 |
54 |
31 |
0 |
| VODI |
0 |
126 |
156 |
190 |
126 |
182 |
63 |
0 |
| ODI |
0 |
12 |
54 |
105 |
96 |
177 |
89 |
0 |
| CDI |
0 |
3 |
18 |
65 |
93 |
185 |
341 |
19 |
| VCDI |
0 |
0 |
16 |
24 |
88 |
362 |
4488 |
3960 |
|
Date: 2016-12-09:
| 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 |
16366 |
8379 |
878 |
462 |
122 |
150 |
33 |
0 |
| OW |
0 |
96 |
221 |
201 |
125 |
69 |
7 |
0 |
| VODI |
0 |
51 |
141 |
144 |
170 |
105 |
35 |
0 |
| ODI |
0 |
9 |
100 |
120 |
129 |
157 |
59 |
0 |
| CDI |
0 |
1 |
67 |
100 |
80 |
190 |
163 |
17 |
| VCDI |
0 |
0 |
34 |
147 |
216 |
468 |
4800 |
3547 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16366 |
8028 |
690 |
453 |
212 |
236 |
40 |
0 |
| OW |
0 |
213 |
193 |
121 |
70 |
54 |
22 |
0 |
| VODI |
0 |
176 |
226 |
206 |
130 |
96 |
34 |
0 |
| ODI |
0 |
60 |
164 |
127 |
110 |
150 |
79 |
0 |
| CDI |
0 |
46 |
80 |
113 |
120 |
202 |
212 |
5 |
| VCDI |
0 |
13 |
88 |
154 |
200 |
401 |
4710 |
3559 |
|
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