Validation of sea ice concentration - Full domain
Bulletin date: 2022-12-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-09:
| 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 |
66186 |
25580 |
2678 |
667 |
620 |
388 |
28 |
0 |
| OW |
52 |
474 |
533 |
700 |
737 |
275 |
9 |
0 |
| VODI |
0 |
268 |
172 |
533 |
1124 |
868 |
106 |
0 |
| ODI |
0 |
126 |
87 |
274 |
901 |
1133 |
176 |
0 |
| CDI |
0 |
59 |
45 |
170 |
505 |
1692 |
484 |
3 |
| VCDI |
0 |
51 |
51 |
169 |
565 |
8849 |
35202 |
34508 |
|
...date precedes bulletin
|
Date: 2022-12-11:
| 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 |
70615 |
20401 |
2388 |
686 |
535 |
461 |
72 |
0 |
| OW |
54 |
544 |
485 |
702 |
703 |
224 |
9 |
0 |
| VODI |
0 |
260 |
236 |
724 |
1005 |
583 |
53 |
0 |
| ODI |
0 |
110 |
97 |
357 |
1194 |
825 |
80 |
0 |
| CDI |
0 |
49 |
76 |
281 |
1076 |
1427 |
443 |
17 |
| VCDI |
0 |
7 |
42 |
158 |
1061 |
8818 |
33806 |
36384 |
|
...date precedes bulletin
|
Date: 2022-12-13:
| 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 |
64309 |
22088 |
6869 |
624 |
416 |
178 |
41 |
0 |
| OW |
62 |
325 |
325 |
498 |
254 |
66 |
30 |
0 |
| VODI |
0 |
162 |
159 |
606 |
800 |
388 |
24 |
0 |
| ODI |
0 |
42 |
64 |
316 |
1478 |
1231 |
30 |
0 |
| CDI |
0 |
12 |
28 |
190 |
1468 |
2300 |
333 |
15 |
| VCDI |
0 |
3 |
4 |
122 |
843 |
9877 |
36604 |
33864 |
|
...date precedes bulletin
|
Date: 2022-12-15:
| 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 |
65680 |
18079 |
8749 |
476 |
283 |
269 |
27 |
0 |
| OW |
60 |
460 |
403 |
447 |
258 |
68 |
54 |
0 |
| VODI |
0 |
189 |
223 |
513 |
621 |
374 |
62 |
0 |
| ODI |
0 |
76 |
105 |
329 |
1109 |
783 |
48 |
0 |
| CDI |
0 |
30 |
40 |
225 |
1097 |
1910 |
296 |
34 |
| VCDI |
0 |
5 |
37 |
175 |
1256 |
9617 |
30665 |
41916 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65680 |
18070 |
8830 |
556 |
322 |
276 |
35 |
0 |
| OW |
60 |
476 |
328 |
395 |
267 |
102 |
60 |
0 |
| VODI |
0 |
191 |
226 |
516 |
652 |
395 |
60 |
0 |
| ODI |
0 |
63 |
97 |
325 |
1077 |
843 |
49 |
0 |
| CDI |
0 |
32 |
37 |
190 |
995 |
1715 |
322 |
32 |
| VCDI |
0 |
7 |
39 |
183 |
1311 |
9690 |
30626 |
41918 |
|
Date: 2022-12-17:
| 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 |
68211 |
17897 |
5673 |
601 |
310 |
246 |
22 |
0 |
| OW |
61 |
525 |
364 |
418 |
356 |
69 |
22 |
0 |
| VODI |
0 |
213 |
275 |
546 |
620 |
301 |
92 |
0 |
| ODI |
0 |
110 |
158 |
406 |
739 |
506 |
265 |
0 |
| CDI |
0 |
31 |
101 |
227 |
760 |
1291 |
765 |
1 |
| VCDI |
0 |
13 |
60 |
291 |
1109 |
11992 |
32098 |
39303 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68209 |
17847 |
5709 |
670 |
345 |
255 |
21 |
0 |
| OW |
63 |
565 |
306 |
362 |
323 |
69 |
29 |
0 |
| VODI |
0 |
220 |
297 |
513 |
635 |
341 |
142 |
0 |
| ODI |
0 |
113 |
151 |
438 |
772 |
566 |
263 |
0 |
| CDI |
0 |
30 |
108 |
210 |
662 |
1208 |
801 |
2 |
| VCDI |
0 |
14 |
60 |
296 |
1157 |
11966 |
32008 |
39302 |
|
Date: 2022-12-19:
| 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 |
67858 |
19183 |
4502 |
507 |
246 |
227 |
19 |
0 |
| OW |
61 |
259 |
388 |
453 |
217 |
62 |
4 |
0 |
| VODI |
0 |
151 |
347 |
761 |
674 |
144 |
9 |
0 |
| ODI |
0 |
51 |
65 |
397 |
1066 |
635 |
39 |
0 |
| CDI |
0 |
25 |
52 |
149 |
539 |
1609 |
656 |
0 |
| VCDI |
0 |
4 |
51 |
232 |
753 |
10780 |
36145 |
37728 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67858 |
18940 |
4428 |
634 |
409 |
289 |
25 |
0 |
| OW |
61 |
416 |
316 |
362 |
283 |
100 |
19 |
0 |
| VODI |
0 |
191 |
353 |
501 |
597 |
402 |
109 |
0 |
| ODI |
0 |
74 |
104 |
367 |
695 |
619 |
201 |
0 |
| CDI |
0 |
35 |
108 |
278 |
610 |
1649 |
649 |
17 |
| VCDI |
0 |
17 |
96 |
357 |
901 |
10398 |
35869 |
37711 |
|
Date: 2022-12-21:
| 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 |
64403 |
22439 |
4390 |
494 |
245 |
295 |
22 |
0 |
| OW |
62 |
277 |
313 |
461 |
160 |
74 |
1 |
0 |
| VODI |
0 |
152 |
315 |
530 |
629 |
111 |
14 |
0 |
| ODI |
0 |
44 |
107 |
368 |
1066 |
552 |
61 |
0 |
| CDI |
0 |
14 |
42 |
177 |
668 |
1244 |
401 |
16 |
| VCDI |
0 |
0 |
24 |
232 |
988 |
8293 |
31765 |
45599 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64403 |
22115 |
4279 |
526 |
301 |
358 |
32 |
0 |
| OW |
62 |
450 |
245 |
340 |
176 |
60 |
27 |
0 |
| VODI |
0 |
258 |
349 |
472 |
531 |
279 |
91 |
0 |
| ODI |
0 |
64 |
156 |
317 |
814 |
466 |
228 |
56 |
| CDI |
0 |
34 |
97 |
263 |
694 |
1013 |
723 |
202 |
| VCDI |
0 |
5 |
65 |
344 |
1240 |
8393 |
31163 |
45357 |
|
Date: 2022-12-23:
| 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 |
68108 |
17956 |
4610 |
382 |
212 |
373 |
21 |
0 |
| OW |
63 |
354 |
302 |
343 |
156 |
69 |
26 |
0 |
| VODI |
0 |
167 |
210 |
417 |
380 |
113 |
26 |
0 |
| ODI |
0 |
54 |
80 |
384 |
669 |
430 |
47 |
0 |
| CDI |
0 |
29 |
25 |
183 |
731 |
1253 |
401 |
15 |
| VCDI |
0 |
5 |
26 |
151 |
1007 |
7847 |
37744 |
41679 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68108 |
17726 |
4513 |
388 |
237 |
442 |
34 |
0 |
| OW |
63 |
508 |
306 |
306 |
160 |
42 |
41 |
0 |
| VODI |
0 |
249 |
246 |
404 |
441 |
176 |
89 |
0 |
| ODI |
0 |
58 |
115 |
329 |
490 |
562 |
301 |
0 |
| CDI |
0 |
22 |
48 |
195 |
656 |
1057 |
775 |
19 |
| VCDI |
0 |
2 |
25 |
238 |
1171 |
7806 |
37025 |
41675 |
|
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