Validation of sea ice concentration
Bulletin date: 2017-06-08
Model vs. observations, sea ice class contingency tables
Date: 2017-06-02:
| 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 |
14496 |
6661 |
757 |
523 |
195 |
58 |
23 |
0 |
| OW |
0 |
79 |
115 |
194 |
145 |
72 |
45 |
0 |
| VODI |
0 |
14 |
81 |
271 |
204 |
133 |
215 |
0 |
| ODI |
0 |
0 |
30 |
240 |
275 |
244 |
399 |
6 |
| CDI |
0 |
0 |
42 |
212 |
331 |
446 |
1789 |
53 |
| VCDI |
0 |
0 |
10 |
38 |
198 |
381 |
5439 |
3745 |
|
...date precedes bulletin
|
Date: 2017-06-06:
| 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 |
14721 |
6605 |
1400 |
608 |
257 |
56 |
32 |
0 |
| OW |
0 |
1 |
236 |
263 |
142 |
39 |
71 |
0 |
| VODI |
0 |
0 |
118 |
274 |
283 |
162 |
148 |
0 |
| ODI |
0 |
0 |
68 |
124 |
237 |
208 |
385 |
0 |
| CDI |
0 |
0 |
36 |
139 |
346 |
460 |
2610 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
47 |
74 |
4579 |
3411 |
|
...date precedes bulletin
|
Date: 2017-06-08:
| 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 |
15409 |
6446 |
1128 |
638 |
217 |
71 |
39 |
0 |
| OW |
0 |
31 |
159 |
282 |
160 |
61 |
82 |
4 |
| VODI |
0 |
0 |
140 |
273 |
197 |
177 |
186 |
0 |
| ODI |
0 |
0 |
50 |
134 |
156 |
162 |
478 |
0 |
| CDI |
0 |
0 |
46 |
156 |
227 |
524 |
2451 |
10 |
| VCDI |
0 |
0 |
0 |
8 |
20 |
115 |
4115 |
3807 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15409 |
6452 |
1104 |
671 |
247 |
80 |
45 |
0 |
| OW |
0 |
24 |
174 |
259 |
116 |
45 |
45 |
0 |
| VODI |
0 |
1 |
136 |
263 |
196 |
145 |
212 |
4 |
| ODI |
0 |
0 |
61 |
141 |
160 |
195 |
483 |
0 |
| CDI |
0 |
0 |
48 |
145 |
233 |
521 |
2563 |
10 |
| VCDI |
0 |
0 |
0 |
12 |
25 |
124 |
4003 |
3807 |
|
Date: 2017-06-12:
| 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 |
15372 |
6331 |
1333 |
887 |
235 |
75 |
53 |
2 |
| OW |
0 |
19 |
236 |
296 |
185 |
62 |
56 |
8 |
| VODI |
0 |
10 |
71 |
240 |
243 |
178 |
129 |
0 |
| ODI |
0 |
0 |
22 |
173 |
343 |
391 |
623 |
0 |
| CDI |
0 |
0 |
4 |
68 |
111 |
370 |
2630 |
2 |
| VCDI |
0 |
0 |
0 |
12 |
18 |
55 |
3958 |
3358 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15372 |
6323 |
1237 |
896 |
312 |
118 |
63 |
1 |
| OW |
0 |
27 |
178 |
208 |
168 |
69 |
83 |
8 |
| VODI |
0 |
10 |
159 |
198 |
157 |
203 |
301 |
1 |
| ODI |
0 |
0 |
60 |
169 |
125 |
151 |
592 |
0 |
| CDI |
0 |
0 |
32 |
180 |
334 |
465 |
3084 |
2 |
| VCDI |
0 |
0 |
0 |
25 |
39 |
125 |
3326 |
3358 |
|
Date: 2017-06-14:
| 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 |
15495 |
6165 |
1496 |
1015 |
332 |
113 |
66 |
0 |
| OW |
0 |
19 |
147 |
226 |
201 |
109 |
60 |
0 |
| VODI |
0 |
1 |
63 |
184 |
242 |
236 |
183 |
0 |
| ODI |
0 |
0 |
21 |
151 |
217 |
405 |
737 |
0 |
| CDI |
0 |
0 |
5 |
92 |
139 |
352 |
2661 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
23 |
79 |
3581 |
3328 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15495 |
6145 |
1250 |
956 |
430 |
184 |
88 |
0 |
| OW |
0 |
28 |
188 |
143 |
122 |
148 |
93 |
0 |
| VODI |
0 |
9 |
161 |
196 |
153 |
189 |
324 |
0 |
| ODI |
0 |
2 |
84 |
153 |
135 |
145 |
698 |
0 |
| CDI |
0 |
1 |
45 |
202 |
270 |
508 |
3465 |
42 |
| VCDI |
0 |
0 |
4 |
33 |
44 |
120 |
2620 |
3286 |
|
Date: 2017-06-16:
| 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 |
15513 |
6164 |
1598 |
1144 |
240 |
73 |
83 |
0 |
| OW |
0 |
6 |
110 |
266 |
225 |
71 |
63 |
0 |
| VODI |
0 |
1 |
62 |
220 |
302 |
220 |
236 |
0 |
| ODI |
0 |
0 |
23 |
153 |
236 |
389 |
819 |
0 |
| CDI |
0 |
0 |
13 |
142 |
161 |
437 |
2488 |
0 |
| VCDI |
0 |
0 |
1 |
12 |
28 |
92 |
3272 |
3296 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15513 |
6142 |
1363 |
1053 |
378 |
116 |
102 |
0 |
| OW |
0 |
20 |
155 |
194 |
132 |
102 |
90 |
0 |
| VODI |
0 |
9 |
148 |
210 |
139 |
166 |
415 |
0 |
| ODI |
0 |
0 |
83 |
209 |
176 |
191 |
785 |
0 |
| CDI |
0 |
0 |
56 |
255 |
329 |
591 |
3223 |
85 |
| VCDI |
0 |
0 |
2 |
16 |
38 |
116 |
2346 |
3211 |
|
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