Validation of sea ice concentration
Bulletin date: 2016-12-22
Model vs. observations, sea ice class contingency tables
Date: 2016-12-16:
| 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 |
16356 |
7846 |
679 |
257 |
140 |
87 |
110 |
0 |
| OW |
0 |
130 |
199 |
100 |
77 |
56 |
31 |
0 |
| VODI |
0 |
58 |
156 |
135 |
79 |
141 |
24 |
0 |
| ODI |
0 |
17 |
76 |
102 |
121 |
197 |
66 |
0 |
| CDI |
0 |
11 |
37 |
69 |
114 |
295 |
332 |
0 |
| VCDI |
0 |
0 |
23 |
75 |
192 |
382 |
6084 |
3305 |
|
...date precedes bulletin
|
Date: 2016-12-20:
| 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 |
16653 |
7602 |
773 |
421 |
105 |
68 |
86 |
0 |
| OW |
0 |
124 |
169 |
168 |
88 |
26 |
32 |
0 |
| VODI |
0 |
43 |
147 |
227 |
107 |
111 |
56 |
0 |
| ODI |
0 |
29 |
40 |
161 |
131 |
153 |
136 |
0 |
| CDI |
0 |
19 |
17 |
72 |
115 |
264 |
378 |
4 |
| VCDI |
0 |
35 |
17 |
51 |
177 |
659 |
5886 |
2809 |
|
...date precedes bulletin
|
Date: 2016-12-22:
| 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 |
16530 |
7625 |
1032 |
238 |
95 |
79 |
107 |
0 |
| OW |
0 |
257 |
297 |
156 |
43 |
17 |
49 |
0 |
| VODI |
0 |
151 |
293 |
223 |
114 |
77 |
38 |
0 |
| ODI |
0 |
35 |
154 |
175 |
140 |
123 |
84 |
0 |
| CDI |
0 |
4 |
129 |
175 |
144 |
125 |
299 |
3 |
| VCDI |
0 |
0 |
142 |
249 |
388 |
558 |
4838 |
2973 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16530 |
7666 |
1121 |
289 |
100 |
80 |
116 |
0 |
| OW |
0 |
219 |
234 |
150 |
47 |
21 |
38 |
0 |
| VODI |
0 |
150 |
264 |
201 |
125 |
85 |
41 |
0 |
| ODI |
0 |
32 |
161 |
158 |
138 |
117 |
89 |
0 |
| CDI |
0 |
5 |
121 |
164 |
131 |
131 |
320 |
2 |
| VCDI |
0 |
0 |
146 |
254 |
383 |
545 |
4811 |
2974 |
|
Date: 2016-12-26:
| 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 |
17147 |
7601 |
936 |
359 |
160 |
83 |
94 |
0 |
| OW |
0 |
171 |
188 |
103 |
49 |
57 |
30 |
0 |
| VODI |
0 |
169 |
218 |
207 |
109 |
73 |
61 |
0 |
| ODI |
0 |
107 |
155 |
254 |
110 |
74 |
100 |
0 |
| CDI |
0 |
36 |
108 |
125 |
128 |
115 |
287 |
26 |
| VCDI |
0 |
8 |
100 |
218 |
338 |
712 |
4745 |
2598 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17147 |
6987 |
677 |
256 |
118 |
61 |
85 |
0 |
| OW |
0 |
266 |
145 |
55 |
32 |
36 |
26 |
0 |
| VODI |
0 |
318 |
174 |
137 |
63 |
66 |
61 |
0 |
| ODI |
0 |
191 |
218 |
151 |
109 |
75 |
65 |
0 |
| CDI |
0 |
190 |
193 |
194 |
77 |
73 |
300 |
22 |
| VCDI |
0 |
140 |
298 |
473 |
495 |
803 |
4780 |
2602 |
|
Date: 2016-12-28:
| 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 |
16692 |
7729 |
746 |
366 |
94 |
53 |
70 |
0 |
| OW |
0 |
106 |
193 |
132 |
65 |
30 |
40 |
0 |
| VODI |
0 |
48 |
147 |
213 |
142 |
115 |
70 |
0 |
| ODI |
0 |
14 |
85 |
136 |
184 |
168 |
101 |
1 |
| CDI |
0 |
3 |
52 |
156 |
163 |
393 |
263 |
51 |
| VCDI |
0 |
0 |
44 |
131 |
217 |
677 |
5328 |
2941 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16692 |
7406 |
435 |
240 |
69 |
38 |
69 |
0 |
| OW |
0 |
212 |
197 |
108 |
41 |
23 |
29 |
0 |
| VODI |
0 |
191 |
213 |
131 |
59 |
59 |
62 |
0 |
| ODI |
0 |
58 |
172 |
168 |
139 |
93 |
89 |
0 |
| CDI |
0 |
31 |
99 |
183 |
167 |
241 |
292 |
48 |
| VCDI |
0 |
2 |
151 |
304 |
390 |
982 |
5331 |
2945 |
|
Date: 2016-12-30:
| 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 |
16493 |
7783 |
498 |
239 |
120 |
46 |
63 |
0 |
| OW |
0 |
199 |
185 |
91 |
49 |
54 |
25 |
0 |
| VODI |
0 |
107 |
197 |
158 |
84 |
81 |
62 |
0 |
| ODI |
0 |
34 |
96 |
130 |
127 |
132 |
108 |
7 |
| CDI |
0 |
33 |
62 |
113 |
143 |
288 |
254 |
76 |
| VCDI |
0 |
19 |
49 |
127 |
204 |
1058 |
5156 |
3409 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16493 |
7417 |
388 |
148 |
84 |
39 |
53 |
0 |
| OW |
0 |
265 |
136 |
70 |
55 |
44 |
31 |
0 |
| VODI |
0 |
239 |
176 |
125 |
92 |
63 |
63 |
0 |
| ODI |
0 |
117 |
130 |
145 |
84 |
117 |
128 |
1 |
| CDI |
0 |
82 |
108 |
170 |
137 |
217 |
428 |
8 |
| VCDI |
0 |
55 |
149 |
200 |
275 |
1179 |
4965 |
3483 |
|
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