Validation of sea ice concentration - Full domain
Bulletin date: 2021-11-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-11-12:
| 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 |
93728 |
14856 |
143 |
760 |
454 |
23 |
0 |
0 |
| OW |
94 |
886 |
79 |
583 |
563 |
45 |
0 |
0 |
| VODI |
42 |
301 |
51 |
599 |
753 |
200 |
6 |
0 |
| ODI |
0 |
45 |
11 |
236 |
806 |
444 |
16 |
0 |
| CDI |
0 |
6 |
6 |
136 |
726 |
1475 |
132 |
21 |
| VCDI |
0 |
0 |
0 |
59 |
1416 |
6653 |
18901 |
41793 |
|
...date precedes bulletin
|
Date: 2021-11-14:
| 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 |
92328 |
14279 |
151 |
829 |
489 |
60 |
0 |
0 |
| OW |
60 |
1068 |
82 |
608 |
473 |
87 |
0 |
0 |
| VODI |
51 |
447 |
42 |
550 |
867 |
239 |
18 |
0 |
| ODI |
19 |
97 |
22 |
295 |
736 |
447 |
16 |
1 |
| CDI |
0 |
11 |
5 |
109 |
775 |
961 |
140 |
37 |
| VCDI |
0 |
0 |
0 |
42 |
973 |
6673 |
19417 |
43544 |
|
...date precedes bulletin
|
Date: 2021-11-16:
| 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 |
90738 |
15024 |
195 |
911 |
494 |
103 |
0 |
0 |
| OW |
88 |
596 |
62 |
528 |
542 |
199 |
0 |
0 |
| VODI |
54 |
237 |
28 |
444 |
900 |
268 |
0 |
0 |
| ODI |
10 |
86 |
12 |
145 |
679 |
588 |
34 |
0 |
| CDI |
0 |
22 |
10 |
77 |
715 |
1611 |
234 |
42 |
| VCDI |
0 |
0 |
2 |
52 |
403 |
5632 |
21728 |
43555 |
|
...date precedes bulletin
|
Date: 2021-11-18:
| 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 |
89990 |
14794 |
159 |
712 |
495 |
244 |
0 |
0 |
| OW |
68 |
517 |
44 |
405 |
635 |
281 |
0 |
0 |
| VODI |
27 |
352 |
31 |
290 |
898 |
500 |
0 |
0 |
| ODI |
24 |
158 |
19 |
157 |
577 |
614 |
24 |
0 |
| CDI |
1 |
49 |
6 |
128 |
517 |
1011 |
286 |
13 |
| VCDI |
0 |
21 |
8 |
109 |
661 |
4659 |
17312 |
50252 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90001 |
14894 |
165 |
774 |
578 |
273 |
0 |
0 |
| OW |
65 |
470 |
38 |
325 |
544 |
225 |
0 |
0 |
| VODI |
27 |
335 |
35 |
306 |
870 |
498 |
0 |
0 |
| ODI |
17 |
124 |
15 |
170 |
566 |
596 |
19 |
0 |
| CDI |
0 |
45 |
4 |
104 |
525 |
938 |
259 |
13 |
| VCDI |
0 |
23 |
10 |
122 |
700 |
4779 |
17344 |
50252 |
|
Date: 2021-11-20:
| 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 |
90178 |
14042 |
112 |
494 |
286 |
255 |
12 |
0 |
| OW |
59 |
704 |
58 |
357 |
239 |
401 |
19 |
0 |
| VODI |
1 |
348 |
44 |
525 |
479 |
639 |
13 |
0 |
| ODI |
0 |
121 |
30 |
340 |
405 |
690 |
34 |
0 |
| CDI |
0 |
20 |
10 |
258 |
640 |
755 |
198 |
5 |
| VCDI |
0 |
0 |
0 |
103 |
830 |
4603 |
14306 |
54435 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90180 |
14163 |
118 |
511 |
301 |
368 |
11 |
0 |
| OW |
57 |
601 |
54 |
372 |
240 |
336 |
15 |
0 |
| VODI |
1 |
338 |
47 |
489 |
430 |
608 |
19 |
0 |
| ODI |
0 |
107 |
23 |
335 |
413 |
648 |
29 |
0 |
| CDI |
0 |
20 |
10 |
262 |
580 |
669 |
182 |
7 |
| VCDI |
0 |
6 |
2 |
108 |
915 |
4714 |
14326 |
54433 |
|
Date: 2021-11-22:
| 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 |
88700 |
15007 |
124 |
449 |
230 |
109 |
0 |
0 |
| OW |
60 |
481 |
66 |
468 |
215 |
19 |
0 |
0 |
| VODI |
3 |
162 |
34 |
590 |
624 |
87 |
8 |
0 |
| ODI |
0 |
59 |
7 |
230 |
865 |
370 |
53 |
0 |
| CDI |
0 |
28 |
5 |
67 |
737 |
1464 |
413 |
19 |
| VCDI |
0 |
24 |
10 |
75 |
579 |
4222 |
15204 |
55181 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88706 |
14522 |
118 |
525 |
399 |
194 |
22 |
0 |
| OW |
57 |
612 |
46 |
313 |
341 |
213 |
119 |
0 |
| VODI |
0 |
389 |
37 |
402 |
502 |
438 |
124 |
0 |
| ODI |
0 |
137 |
23 |
264 |
471 |
467 |
148 |
0 |
| CDI |
0 |
63 |
11 |
207 |
584 |
535 |
287 |
34 |
| VCDI |
0 |
38 |
11 |
168 |
953 |
4424 |
14978 |
55166 |
|
Date: 2021-11-24:
| 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 |
87761 |
14934 |
135 |
558 |
217 |
91 |
1 |
18 |
| OW |
72 |
750 |
53 |
381 |
192 |
16 |
0 |
5 |
| VODI |
15 |
321 |
42 |
571 |
448 |
69 |
1 |
6 |
| ODI |
3 |
65 |
18 |
340 |
562 |
147 |
6 |
4 |
| CDI |
0 |
5 |
4 |
184 |
779 |
415 |
141 |
2 |
| VCDI |
0 |
0 |
2 |
79 |
1041 |
6915 |
15671 |
54008 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87771 |
14591 |
135 |
606 |
310 |
115 |
3 |
26 |
| OW |
71 |
803 |
32 |
358 |
236 |
119 |
36 |
6 |
| VODI |
9 |
483 |
45 |
461 |
488 |
344 |
161 |
1 |
| ODI |
0 |
147 |
27 |
309 |
503 |
345 |
187 |
0 |
| CDI |
0 |
42 |
11 |
244 |
516 |
573 |
292 |
14 |
| VCDI |
0 |
9 |
4 |
135 |
1186 |
6157 |
15141 |
53996 |
|
Date: 2021-11-26:
| 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 |
87450 |
13875 |
160 |
672 |
500 |
93 |
8 |
8 |
| OW |
75 |
658 |
39 |
342 |
305 |
50 |
1 |
6 |
| VODI |
25 |
424 |
31 |
388 |
468 |
191 |
5 |
10 |
| ODI |
7 |
70 |
21 |
285 |
505 |
306 |
25 |
1 |
| CDI |
0 |
2 |
3 |
138 |
626 |
604 |
65 |
16 |
| VCDI |
0 |
0 |
0 |
31 |
853 |
5872 |
19968 |
51866 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87446 |
13455 |
139 |
691 |
572 |
120 |
10 |
16 |
| OW |
81 |
809 |
29 |
224 |
338 |
128 |
9 |
7 |
| VODI |
26 |
550 |
52 |
410 |
452 |
412 |
59 |
1 |
| ODI |
4 |
162 |
18 |
260 |
436 |
457 |
161 |
1 |
| CDI |
0 |
51 |
15 |
216 |
615 |
751 |
304 |
12 |
| VCDI |
0 |
2 |
1 |
55 |
844 |
5248 |
19529 |
51870 |
|
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