Validation of sea ice concentration
Bulletin date: 2019-06-20
Model vs. observations, sea ice class contingency tables
Date: 2019-06-14:
| 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 |
15231 |
5962 |
1632 |
1268 |
370 |
161 |
203 |
0 |
| OW |
0 |
0 |
92 |
315 |
230 |
167 |
152 |
0 |
| VODI |
0 |
0 |
36 |
231 |
254 |
349 |
439 |
0 |
| ODI |
0 |
0 |
7 |
53 |
120 |
450 |
1197 |
0 |
| CDI |
0 |
0 |
15 |
47 |
60 |
292 |
2357 |
5 |
| VCDI |
0 |
0 |
0 |
3 |
25 |
23 |
2459 |
3954 |
|
...date precedes bulletin
|
Date: 2019-06-18:
| 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 |
15286 |
6223 |
1301 |
1471 |
451 |
180 |
164 |
0 |
| OW |
0 |
0 |
67 |
339 |
235 |
185 |
104 |
0 |
| VODI |
0 |
0 |
6 |
174 |
376 |
580 |
369 |
0 |
| ODI |
0 |
0 |
0 |
42 |
110 |
698 |
1091 |
0 |
| CDI |
0 |
0 |
0 |
21 |
54 |
452 |
1610 |
8 |
| VCDI |
0 |
0 |
0 |
7 |
8 |
17 |
2195 |
4335 |
|
...date precedes bulletin
|
Date: 2019-06-20:
| 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 |
15536 |
5953 |
1598 |
1278 |
462 |
225 |
236 |
0 |
| OW |
0 |
4 |
39 |
291 |
313 |
212 |
170 |
0 |
| VODI |
0 |
0 |
24 |
145 |
266 |
718 |
768 |
0 |
| ODI |
0 |
0 |
13 |
26 |
72 |
356 |
1295 |
0 |
| CDI |
0 |
0 |
15 |
41 |
50 |
285 |
1337 |
10 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
18 |
2238 |
4152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15536 |
5957 |
1610 |
1353 |
532 |
257 |
273 |
0 |
| OW |
0 |
0 |
28 |
241 |
251 |
189 |
155 |
0 |
| VODI |
0 |
0 |
25 |
120 |
262 |
676 |
736 |
0 |
| ODI |
0 |
0 |
12 |
27 |
66 |
379 |
1269 |
0 |
| CDI |
0 |
0 |
14 |
40 |
52 |
293 |
1363 |
15 |
| VCDI |
0 |
0 |
0 |
7 |
6 |
20 |
2248 |
4147 |
|
Date: 2019-06-24:
| 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 |
15530 |
6196 |
1387 |
1713 |
591 |
212 |
164 |
0 |
| OW |
0 |
3 |
70 |
321 |
313 |
194 |
79 |
0 |
| VODI |
0 |
0 |
78 |
187 |
428 |
570 |
323 |
0 |
| ODI |
0 |
0 |
21 |
77 |
184 |
962 |
933 |
0 |
| CDI |
0 |
0 |
19 |
45 |
37 |
158 |
1606 |
82 |
| VCDI |
0 |
0 |
0 |
5 |
8 |
30 |
1918 |
3715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15530 |
6193 |
1406 |
1846 |
759 |
370 |
236 |
0 |
| OW |
0 |
6 |
55 |
263 |
343 |
379 |
221 |
0 |
| VODI |
0 |
0 |
45 |
100 |
294 |
737 |
683 |
0 |
| ODI |
0 |
0 |
31 |
39 |
57 |
401 |
726 |
0 |
| CDI |
0 |
0 |
38 |
95 |
99 |
217 |
1385 |
80 |
| VCDI |
0 |
0 |
0 |
5 |
9 |
22 |
1772 |
3717 |
|
Date: 2019-06-26:
| 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 |
15217 |
6296 |
1584 |
1870 |
707 |
308 |
194 |
0 |
| OW |
0 |
9 |
116 |
282 |
393 |
336 |
216 |
0 |
| VODI |
0 |
0 |
58 |
127 |
338 |
722 |
467 |
0 |
| ODI |
0 |
0 |
19 |
55 |
99 |
325 |
1107 |
0 |
| CDI |
0 |
0 |
23 |
36 |
33 |
117 |
1268 |
16 |
| VCDI |
0 |
0 |
0 |
3 |
8 |
44 |
2051 |
3715 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15217 |
6298 |
1592 |
1985 |
889 |
528 |
405 |
0 |
| OW |
0 |
7 |
92 |
198 |
416 |
524 |
320 |
0 |
| VODI |
0 |
0 |
45 |
66 |
115 |
472 |
745 |
0 |
| ODI |
0 |
0 |
24 |
36 |
49 |
126 |
714 |
0 |
| CDI |
0 |
0 |
47 |
84 |
101 |
152 |
1389 |
71 |
| VCDI |
0 |
0 |
0 |
4 |
8 |
50 |
1730 |
3660 |
|
Date: 2019-06-28:
| 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 |
15003 |
6479 |
1715 |
2111 |
687 |
426 |
218 |
0 |
| OW |
0 |
0 |
103 |
234 |
383 |
569 |
234 |
0 |
| VODI |
0 |
0 |
40 |
90 |
198 |
507 |
746 |
0 |
| ODI |
0 |
0 |
37 |
38 |
95 |
167 |
972 |
0 |
| CDI |
0 |
0 |
9 |
17 |
21 |
65 |
1075 |
8 |
| VCDI |
0 |
0 |
0 |
4 |
8 |
38 |
2012 |
3850 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15003 |
6477 |
1708 |
2206 |
977 |
920 |
480 |
0 |
| OW |
0 |
2 |
81 |
147 |
176 |
328 |
398 |
0 |
| VODI |
0 |
0 |
39 |
52 |
83 |
290 |
837 |
0 |
| ODI |
0 |
0 |
23 |
34 |
66 |
93 |
472 |
0 |
| CDI |
0 |
0 |
53 |
48 |
82 |
112 |
1596 |
68 |
| VCDI |
0 |
0 |
0 |
7 |
8 |
29 |
1474 |
3790 |
|
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