Validation of sea ice concentration
Bulletin date: 2017-02-09
Model vs. observations, sea ice class contingency tables
Date: 2017-02-03:
| 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 |
14982 |
6284 |
848 |
378 |
181 |
92 |
36 |
0 |
| OW |
0 |
43 |
218 |
131 |
85 |
68 |
16 |
0 |
| VODI |
0 |
12 |
181 |
159 |
134 |
166 |
37 |
0 |
| ODI |
0 |
0 |
68 |
135 |
139 |
339 |
82 |
0 |
| CDI |
0 |
0 |
55 |
95 |
189 |
529 |
423 |
16 |
| VCDI |
0 |
0 |
47 |
96 |
164 |
1016 |
6556 |
4159 |
|
...date precedes bulletin
|
Date: 2017-02-07:
| 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 |
15139 |
6366 |
1117 |
282 |
150 |
54 |
33 |
0 |
| OW |
0 |
48 |
241 |
144 |
121 |
61 |
21 |
0 |
| VODI |
0 |
9 |
174 |
174 |
219 |
144 |
47 |
0 |
| ODI |
0 |
1 |
88 |
159 |
200 |
281 |
172 |
1 |
| CDI |
0 |
0 |
50 |
94 |
172 |
362 |
559 |
14 |
| VCDI |
0 |
0 |
29 |
40 |
90 |
528 |
7133 |
3642 |
|
...date precedes bulletin
|
Date: 2017-02-09:
| 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 |
15401 |
6268 |
829 |
353 |
169 |
76 |
32 |
0 |
| OW |
0 |
132 |
204 |
167 |
114 |
71 |
27 |
0 |
| VODI |
0 |
52 |
205 |
183 |
181 |
142 |
88 |
0 |
| ODI |
0 |
11 |
88 |
159 |
196 |
219 |
127 |
8 |
| CDI |
0 |
1 |
56 |
107 |
179 |
389 |
581 |
54 |
| VCDI |
0 |
0 |
37 |
64 |
184 |
649 |
7329 |
3027 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15401 |
6265 |
851 |
381 |
174 |
91 |
36 |
0 |
| OW |
0 |
127 |
173 |
128 |
110 |
65 |
29 |
0 |
| VODI |
0 |
60 |
203 |
186 |
171 |
133 |
97 |
0 |
| ODI |
0 |
11 |
93 |
157 |
180 |
221 |
135 |
10 |
| CDI |
0 |
1 |
61 |
112 |
204 |
384 |
567 |
52 |
| VCDI |
0 |
0 |
38 |
69 |
184 |
652 |
7320 |
3027 |
|
Date: 2017-02-13:
| 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 |
15271 |
6145 |
913 |
412 |
160 |
34 |
6 |
0 |
| OW |
0 |
139 |
204 |
230 |
115 |
35 |
10 |
0 |
| VODI |
0 |
57 |
295 |
364 |
234 |
113 |
77 |
0 |
| ODI |
0 |
6 |
89 |
189 |
257 |
311 |
261 |
0 |
| CDI |
0 |
0 |
25 |
63 |
122 |
454 |
793 |
1 |
| VCDI |
0 |
0 |
26 |
57 |
118 |
682 |
6817 |
3074 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15271 |
6137 |
792 |
348 |
152 |
34 |
8 |
0 |
| OW |
0 |
119 |
190 |
218 |
101 |
32 |
37 |
0 |
| VODI |
0 |
84 |
255 |
271 |
178 |
63 |
139 |
0 |
| ODI |
0 |
7 |
161 |
250 |
213 |
203 |
202 |
0 |
| CDI |
0 |
0 |
62 |
127 |
205 |
423 |
511 |
6 |
| VCDI |
0 |
0 |
92 |
101 |
157 |
874 |
7067 |
3069 |
|
Date: 2017-02-15:
| 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 |
14529 |
6423 |
856 |
434 |
197 |
104 |
3 |
0 |
| OW |
0 |
39 |
238 |
199 |
122 |
67 |
8 |
0 |
| VODI |
0 |
8 |
140 |
234 |
180 |
147 |
55 |
0 |
| ODI |
0 |
3 |
44 |
145 |
228 |
272 |
109 |
0 |
| CDI |
0 |
0 |
26 |
148 |
301 |
574 |
397 |
1 |
| VCDI |
0 |
0 |
29 |
94 |
202 |
1066 |
7320 |
3217 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14529 |
6371 |
745 |
416 |
210 |
134 |
8 |
0 |
| OW |
0 |
63 |
235 |
182 |
109 |
72 |
33 |
0 |
| VODI |
0 |
37 |
186 |
205 |
171 |
150 |
89 |
0 |
| ODI |
0 |
2 |
87 |
182 |
225 |
256 |
117 |
0 |
| CDI |
0 |
0 |
35 |
143 |
297 |
490 |
292 |
0 |
| VCDI |
0 |
0 |
45 |
126 |
218 |
1128 |
7353 |
3218 |
|
Date: 2017-02-17:
| 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 |
14264 |
6387 |
757 |
431 |
153 |
68 |
58 |
0 |
| OW |
0 |
22 |
208 |
170 |
124 |
61 |
63 |
0 |
| VODI |
0 |
0 |
146 |
185 |
183 |
139 |
94 |
0 |
| ODI |
0 |
0 |
26 |
104 |
207 |
203 |
145 |
0 |
| CDI |
0 |
0 |
5 |
65 |
216 |
363 |
393 |
7 |
| VCDI |
0 |
0 |
32 |
90 |
305 |
1119 |
7918 |
3448 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14264 |
6360 |
683 |
446 |
204 |
118 |
87 |
0 |
| OW |
0 |
46 |
179 |
134 |
112 |
96 |
75 |
0 |
| VODI |
0 |
3 |
200 |
167 |
145 |
160 |
122 |
0 |
| ODI |
0 |
0 |
60 |
100 |
169 |
189 |
128 |
0 |
| CDI |
0 |
0 |
16 |
77 |
227 |
340 |
336 |
10 |
| VCDI |
0 |
0 |
36 |
121 |
331 |
1050 |
7923 |
3445 |
|
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