Validation of sea ice concentration - American sector
Bulletin date: 2022-09-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-09:
| 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 |
14203 |
10642 |
1286 |
659 |
81 |
23 |
0 |
0 |
| OW |
0 |
123 |
461 |
505 |
76 |
4 |
0 |
0 |
| VODI |
0 |
9 |
81 |
990 |
463 |
76 |
5 |
0 |
| ODI |
0 |
1 |
1 |
498 |
840 |
629 |
91 |
0 |
| CDI |
0 |
4 |
2 |
116 |
1665 |
1758 |
1023 |
0 |
| VCDI |
0 |
2 |
0 |
8 |
167 |
4303 |
4689 |
382 |
|
...date precedes bulletin
|
Date: 2022-09-11:
| 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 |
15718 |
9330 |
1067 |
638 |
86 |
13 |
0 |
0 |
| OW |
0 |
190 |
494 |
555 |
73 |
0 |
0 |
0 |
| VODI |
0 |
15 |
120 |
928 |
486 |
35 |
0 |
0 |
| ODI |
0 |
2 |
0 |
516 |
874 |
421 |
10 |
0 |
| CDI |
0 |
2 |
1 |
160 |
1509 |
2205 |
818 |
0 |
| VCDI |
0 |
4 |
1 |
13 |
36 |
4315 |
4798 |
433 |
|
...date precedes bulletin
|
Date: 2022-09-13:
| 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 |
16632 |
8971 |
1176 |
628 |
58 |
13 |
0 |
0 |
| OW |
0 |
80 |
185 |
461 |
113 |
16 |
0 |
0 |
| VODI |
0 |
7 |
54 |
681 |
540 |
96 |
0 |
0 |
| ODI |
0 |
1 |
1 |
242 |
1669 |
607 |
0 |
0 |
| CDI |
0 |
6 |
0 |
24 |
443 |
2312 |
571 |
0 |
| VCDI |
0 |
2 |
4 |
9 |
33 |
3882 |
6309 |
40 |
|
...date precedes bulletin
|
Date: 2022-09-15:
| 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 |
17375 |
8475 |
872 |
444 |
25 |
10 |
0 |
0 |
| OW |
0 |
205 |
324 |
415 |
76 |
0 |
0 |
0 |
| VODI |
0 |
25 |
85 |
773 |
426 |
9 |
0 |
0 |
| ODI |
0 |
2 |
1 |
296 |
1072 |
581 |
9 |
0 |
| CDI |
0 |
2 |
1 |
12 |
482 |
2233 |
547 |
0 |
| VCDI |
0 |
5 |
2 |
13 |
21 |
3476 |
7360 |
212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17375 |
8477 |
866 |
541 |
43 |
10 |
0 |
0 |
| OW |
0 |
206 |
336 |
395 |
68 |
0 |
0 |
0 |
| VODI |
0 |
22 |
78 |
640 |
414 |
14 |
0 |
0 |
| ODI |
0 |
2 |
2 |
346 |
936 |
452 |
9 |
0 |
| CDI |
0 |
2 |
1 |
17 |
619 |
2298 |
486 |
0 |
| VCDI |
0 |
5 |
2 |
14 |
22 |
3535 |
7421 |
212 |
|
Date: 2022-09-17:
| 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 |
18275 |
7631 |
560 |
363 |
45 |
7 |
4 |
0 |
| OW |
36 |
415 |
347 |
343 |
78 |
9 |
0 |
0 |
| VODI |
3 |
80 |
142 |
792 |
377 |
57 |
0 |
0 |
| ODI |
0 |
1 |
14 |
338 |
651 |
449 |
6 |
0 |
| CDI |
0 |
4 |
0 |
10 |
440 |
1927 |
538 |
0 |
| VCDI |
0 |
4 |
3 |
8 |
22 |
2472 |
8774 |
641 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18264 |
7564 |
531 |
448 |
80 |
7 |
4 |
0 |
| OW |
44 |
495 |
349 |
240 |
66 |
13 |
0 |
0 |
| VODI |
6 |
68 |
175 |
732 |
322 |
67 |
0 |
0 |
| ODI |
0 |
0 |
8 |
411 |
609 |
387 |
3 |
0 |
| CDI |
0 |
4 |
0 |
15 |
497 |
1860 |
517 |
0 |
| VCDI |
0 |
4 |
3 |
8 |
39 |
2587 |
8798 |
641 |
|
Date: 2022-09-19:
| 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 |
18656 |
7370 |
665 |
473 |
28 |
0 |
0 |
0 |
| OW |
0 |
158 |
250 |
406 |
94 |
3 |
0 |
0 |
| VODI |
0 |
12 |
56 |
743 |
435 |
36 |
0 |
0 |
| ODI |
0 |
0 |
2 |
109 |
713 |
296 |
0 |
0 |
| CDI |
0 |
2 |
0 |
12 |
148 |
1866 |
84 |
0 |
| VCDI |
0 |
4 |
1 |
7 |
27 |
2173 |
10299 |
738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18656 |
6833 |
547 |
416 |
133 |
17 |
0 |
0 |
| OW |
0 |
547 |
228 |
269 |
120 |
42 |
0 |
0 |
| VODI |
0 |
158 |
183 |
746 |
331 |
128 |
0 |
0 |
| ODI |
0 |
2 |
15 |
290 |
478 |
425 |
25 |
0 |
| CDI |
0 |
2 |
0 |
22 |
351 |
1633 |
502 |
0 |
| VCDI |
0 |
4 |
1 |
7 |
32 |
2129 |
9856 |
738 |
|
Date: 2022-09-21:
| 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 |
18624 |
6720 |
747 |
685 |
128 |
14 |
9 |
0 |
| OW |
0 |
197 |
211 |
446 |
198 |
2 |
0 |
0 |
| VODI |
0 |
8 |
62 |
608 |
579 |
52 |
0 |
0 |
| ODI |
0 |
0 |
4 |
121 |
676 |
214 |
5 |
0 |
| CDI |
0 |
2 |
0 |
33 |
362 |
1320 |
248 |
0 |
| VCDI |
0 |
5 |
2 |
23 |
78 |
1531 |
10566 |
1386 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18624 |
6104 |
702 |
660 |
224 |
12 |
9 |
0 |
| OW |
0 |
654 |
146 |
285 |
223 |
36 |
0 |
0 |
| VODI |
0 |
161 |
139 |
632 |
468 |
114 |
21 |
0 |
| ODI |
0 |
6 |
35 |
264 |
609 |
194 |
58 |
0 |
| CDI |
0 |
2 |
2 |
53 |
451 |
1443 |
455 |
0 |
| VCDI |
0 |
5 |
2 |
22 |
46 |
1334 |
10285 |
1386 |
|
Date: 2022-09-23:
| 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 |
18419 |
6493 |
639 |
425 |
156 |
20 |
2 |
0 |
| OW |
2 |
531 |
267 |
463 |
184 |
11 |
0 |
0 |
| VODI |
0 |
25 |
76 |
624 |
496 |
95 |
0 |
0 |
| ODI |
0 |
0 |
1 |
149 |
639 |
236 |
3 |
0 |
| CDI |
0 |
0 |
0 |
2 |
210 |
1255 |
152 |
0 |
| VCDI |
0 |
5 |
1 |
3 |
49 |
2844 |
10540 |
849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18420 |
6301 |
649 |
421 |
316 |
37 |
2 |
0 |
| OW |
1 |
619 |
187 |
335 |
131 |
103 |
0 |
0 |
| VODI |
0 |
126 |
133 |
630 |
387 |
216 |
4 |
0 |
| ODI |
0 |
3 |
14 |
258 |
524 |
269 |
84 |
0 |
| CDI |
0 |
0 |
0 |
19 |
348 |
1434 |
453 |
0 |
| VCDI |
0 |
5 |
1 |
3 |
28 |
2402 |
10154 |
849 |
|
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