Validation of sea ice concentration
Bulletin date: 2017-06-22
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2017-06-20:
| 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 |
14975 |
6278 |
2322 |
1068 |
471 |
142 |
83 |
0 |
| OW |
0 |
0 |
71 |
211 |
184 |
109 |
49 |
0 |
| VODI |
0 |
0 |
17 |
147 |
293 |
321 |
206 |
0 |
| ODI |
0 |
0 |
5 |
49 |
152 |
505 |
739 |
0 |
| CDI |
0 |
0 |
2 |
45 |
100 |
303 |
2656 |
1 |
| VCDI |
0 |
0 |
1 |
16 |
58 |
67 |
2810 |
3703 |
|
...date precedes bulletin
|
Date: 2017-06-22:
| 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 |
15492 |
6012 |
2278 |
1104 |
413 |
112 |
72 |
4 |
| OW |
0 |
2 |
106 |
201 |
246 |
125 |
47 |
0 |
| VODI |
0 |
0 |
36 |
119 |
261 |
353 |
256 |
0 |
| ODI |
0 |
0 |
5 |
36 |
143 |
452 |
820 |
0 |
| CDI |
0 |
0 |
7 |
45 |
117 |
281 |
2573 |
1 |
| VCDI |
0 |
0 |
4 |
10 |
40 |
66 |
2442 |
3878 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15492 |
6012 |
2282 |
1128 |
440 |
114 |
72 |
4 |
| OW |
0 |
2 |
97 |
178 |
205 |
121 |
52 |
0 |
| VODI |
0 |
0 |
41 |
122 |
294 |
377 |
260 |
0 |
| ODI |
0 |
0 |
5 |
37 |
125 |
419 |
843 |
0 |
| CDI |
0 |
0 |
7 |
39 |
114 |
288 |
2514 |
1 |
| VCDI |
0 |
0 |
4 |
11 |
42 |
70 |
2469 |
3878 |
|
Date: 2017-06-26:
| 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 |
15825 |
6263 |
2411 |
808 |
242 |
89 |
88 |
0 |
| OW |
0 |
0 |
192 |
197 |
138 |
59 |
40 |
0 |
| VODI |
0 |
0 |
73 |
205 |
300 |
191 |
193 |
0 |
| ODI |
0 |
0 |
23 |
61 |
271 |
663 |
889 |
0 |
| CDI |
0 |
0 |
14 |
23 |
96 |
300 |
2130 |
7 |
| VCDI |
0 |
0 |
1 |
5 |
13 |
14 |
2299 |
4036 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15825 |
6260 |
2442 |
817 |
306 |
121 |
103 |
0 |
| OW |
0 |
3 |
170 |
210 |
200 |
103 |
94 |
0 |
| VODI |
0 |
0 |
62 |
162 |
255 |
384 |
413 |
0 |
| ODI |
0 |
0 |
16 |
54 |
147 |
308 |
879 |
0 |
| CDI |
0 |
0 |
23 |
49 |
137 |
382 |
1920 |
2 |
| VCDI |
0 |
0 |
1 |
7 |
15 |
18 |
2230 |
4041 |
|
Date: 2017-06-28:
| 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 |
15780 |
6277 |
2256 |
1065 |
294 |
148 |
118 |
0 |
| OW |
0 |
0 |
69 |
257 |
185 |
127 |
105 |
0 |
| VODI |
0 |
0 |
24 |
146 |
359 |
394 |
288 |
0 |
| ODI |
0 |
0 |
8 |
43 |
173 |
694 |
803 |
0 |
| CDI |
0 |
0 |
9 |
25 |
101 |
298 |
1942 |
1 |
| VCDI |
0 |
0 |
1 |
2 |
22 |
104 |
2370 |
3671 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15780 |
6256 |
2218 |
1091 |
359 |
216 |
153 |
0 |
| OW |
0 |
14 |
75 |
224 |
223 |
216 |
149 |
0 |
| VODI |
0 |
5 |
31 |
121 |
244 |
477 |
416 |
0 |
| ODI |
0 |
2 |
24 |
46 |
137 |
372 |
824 |
0 |
| CDI |
0 |
0 |
19 |
52 |
137 |
354 |
1684 |
43 |
| VCDI |
0 |
0 |
0 |
4 |
34 |
130 |
2400 |
3629 |
|
Date: 2017-06-30:
| 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 |
15379 |
6032 |
2256 |
1204 |
597 |
371 |
185 |
0 |
| OW |
0 |
0 |
71 |
214 |
217 |
167 |
188 |
0 |
| VODI |
0 |
0 |
33 |
155 |
297 |
484 |
422 |
0 |
| ODI |
0 |
0 |
7 |
39 |
115 |
510 |
881 |
0 |
| CDI |
0 |
0 |
6 |
19 |
82 |
218 |
2062 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
54 |
1798 |
4082 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15379 |
6009 |
2208 |
1222 |
657 |
488 |
275 |
0 |
| OW |
0 |
12 |
79 |
193 |
236 |
239 |
256 |
0 |
| VODI |
0 |
10 |
36 |
122 |
185 |
396 |
530 |
0 |
| ODI |
0 |
1 |
24 |
50 |
122 |
329 |
945 |
0 |
| CDI |
0 |
0 |
26 |
40 |
97 |
273 |
1572 |
52 |
| VCDI |
0 |
0 |
0 |
4 |
21 |
79 |
1958 |
4034 |
|
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