Validation of sea ice concentration - Full domain
Bulletin date: 2021-04-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-04-02:
| 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 |
68195 |
14842 |
167 |
698 |
334 |
17 |
0 |
0 |
| OW |
52 |
614 |
61 |
487 |
281 |
14 |
0 |
0 |
| VODI |
0 |
358 |
34 |
576 |
578 |
103 |
0 |
0 |
| ODI |
0 |
159 |
25 |
298 |
724 |
237 |
4 |
0 |
| CDI |
0 |
133 |
19 |
239 |
909 |
1614 |
173 |
4 |
| VCDI |
0 |
78 |
20 |
409 |
1731 |
5098 |
21695 |
66068 |
|
...date precedes bulletin
|
Date: 2021-04-04:
| 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 |
68651 |
14398 |
142 |
674 |
293 |
13 |
0 |
0 |
| OW |
56 |
771 |
62 |
408 |
260 |
34 |
0 |
0 |
| VODI |
0 |
477 |
47 |
585 |
502 |
114 |
1 |
0 |
| ODI |
0 |
312 |
12 |
296 |
591 |
205 |
11 |
0 |
| CDI |
0 |
226 |
15 |
170 |
788 |
1228 |
194 |
7 |
| VCDI |
0 |
214 |
42 |
763 |
1924 |
5184 |
22199 |
65179 |
|
...date precedes bulletin
|
Date: 2021-04-06:
| 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 |
68752 |
15192 |
176 |
829 |
274 |
11 |
0 |
0 |
| OW |
61 |
638 |
56 |
542 |
266 |
15 |
0 |
0 |
| VODI |
0 |
444 |
39 |
366 |
604 |
106 |
0 |
0 |
| ODI |
0 |
195 |
15 |
210 |
726 |
300 |
4 |
0 |
| CDI |
0 |
138 |
19 |
256 |
732 |
1383 |
166 |
11 |
| VCDI |
0 |
38 |
14 |
319 |
1482 |
4998 |
18606 |
69065 |
|
...date precedes bulletin
|
Date: 2021-04-08:
| 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 |
69370 |
15141 |
177 |
942 |
224 |
9 |
0 |
0 |
| OW |
60 |
677 |
42 |
387 |
276 |
9 |
0 |
0 |
| VODI |
0 |
463 |
37 |
338 |
619 |
59 |
0 |
0 |
| ODI |
0 |
276 |
31 |
267 |
596 |
189 |
11 |
0 |
| CDI |
0 |
189 |
20 |
287 |
685 |
1314 |
241 |
37 |
| VCDI |
0 |
320 |
64 |
823 |
1583 |
5511 |
17411 |
68363 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69370 |
15215 |
184 |
981 |
248 |
9 |
0 |
0 |
| OW |
60 |
593 |
38 |
362 |
274 |
6 |
0 |
0 |
| VODI |
0 |
475 |
37 |
335 |
620 |
68 |
0 |
0 |
| ODI |
0 |
279 |
27 |
259 |
582 |
203 |
12 |
0 |
| CDI |
0 |
171 |
26 |
266 |
689 |
1290 |
240 |
36 |
| VCDI |
0 |
333 |
59 |
841 |
1570 |
5515 |
17411 |
68364 |
|
Date: 2021-04-10:
| 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 |
69967 |
14914 |
166 |
831 |
292 |
18 |
0 |
0 |
| OW |
59 |
707 |
47 |
424 |
365 |
14 |
0 |
0 |
| VODI |
0 |
687 |
25 |
330 |
756 |
32 |
0 |
0 |
| ODI |
0 |
404 |
27 |
174 |
590 |
263 |
3 |
0 |
| CDI |
0 |
311 |
14 |
175 |
773 |
1461 |
370 |
13 |
| VCDI |
0 |
649 |
78 |
600 |
1496 |
6444 |
21253 |
62316 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69952 |
15034 |
171 |
918 |
342 |
17 |
0 |
0 |
| OW |
74 |
630 |
43 |
379 |
353 |
16 |
0 |
0 |
| VODI |
0 |
654 |
29 |
311 |
744 |
41 |
0 |
0 |
| ODI |
0 |
381 |
24 |
171 |
603 |
261 |
2 |
0 |
| CDI |
0 |
311 |
15 |
164 |
743 |
1447 |
383 |
13 |
| VCDI |
0 |
662 |
75 |
591 |
1487 |
6450 |
21241 |
62316 |
|
Date: 2021-04-12:
| 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 |
70465 |
15632 |
162 |
655 |
257 |
13 |
0 |
0 |
| OW |
71 |
627 |
75 |
601 |
283 |
17 |
0 |
0 |
| VODI |
0 |
488 |
42 |
549 |
714 |
37 |
0 |
0 |
| ODI |
0 |
206 |
29 |
325 |
1004 |
284 |
46 |
2 |
| CDI |
0 |
132 |
8 |
216 |
1177 |
2738 |
839 |
95 |
| VCDI |
0 |
392 |
37 |
296 |
1148 |
6417 |
24661 |
56308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70463 |
15034 |
163 |
881 |
400 |
27 |
0 |
0 |
| OW |
73 |
717 |
48 |
357 |
375 |
10 |
0 |
0 |
| VODI |
0 |
563 |
52 |
377 |
671 |
86 |
0 |
0 |
| ODI |
0 |
310 |
16 |
256 |
548 |
312 |
42 |
7 |
| CDI |
0 |
270 |
22 |
230 |
878 |
1836 |
577 |
81 |
| VCDI |
0 |
583 |
52 |
541 |
1711 |
7235 |
24927 |
56317 |
|
Date: 2021-04-14:
| 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 |
70188 |
15569 |
202 |
1126 |
296 |
17 |
0 |
0 |
| OW |
71 |
420 |
59 |
559 |
374 |
24 |
0 |
0 |
| VODI |
0 |
257 |
33 |
491 |
765 |
55 |
11 |
0 |
| ODI |
0 |
106 |
17 |
231 |
864 |
389 |
93 |
4 |
| CDI |
0 |
65 |
6 |
184 |
1132 |
2335 |
790 |
154 |
| VCDI |
0 |
98 |
15 |
246 |
1767 |
7149 |
22988 |
57898 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70186 |
14696 |
161 |
990 |
472 |
28 |
0 |
0 |
| OW |
73 |
645 |
46 |
336 |
364 |
33 |
1 |
0 |
| VODI |
0 |
552 |
38 |
428 |
670 |
116 |
13 |
0 |
| ODI |
0 |
256 |
38 |
319 |
554 |
383 |
72 |
2 |
| CDI |
0 |
156 |
17 |
293 |
893 |
1841 |
520 |
118 |
| VCDI |
0 |
210 |
32 |
471 |
2245 |
7568 |
23276 |
57936 |
|
Date: 2021-04-16:
| 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 |
70295 |
15088 |
189 |
1263 |
249 |
14 |
0 |
0 |
| OW |
73 |
395 |
62 |
608 |
365 |
24 |
0 |
0 |
| VODI |
0 |
187 |
39 |
567 |
720 |
62 |
1 |
0 |
| ODI |
0 |
72 |
10 |
235 |
742 |
243 |
67 |
0 |
| CDI |
0 |
32 |
9 |
219 |
920 |
1184 |
704 |
109 |
| VCDI |
0 |
30 |
11 |
241 |
1774 |
7340 |
23739 |
59166 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70309 |
14551 |
158 |
1042 |
382 |
18 |
0 |
0 |
| OW |
59 |
501 |
55 |
414 |
340 |
36 |
1 |
0 |
| VODI |
0 |
323 |
50 |
505 |
541 |
145 |
6 |
0 |
| ODI |
0 |
179 |
16 |
337 |
447 |
279 |
88 |
10 |
| CDI |
0 |
128 |
19 |
294 |
799 |
891 |
607 |
86 |
| VCDI |
0 |
122 |
22 |
541 |
2261 |
7498 |
23809 |
59179 |
|
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