Validation of sea ice concentration - American sector
Bulletin date: 2022-10-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-07:
| 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 |
15040 |
8264 |
61 |
182 |
64 |
14 |
0 |
0 |
| OW |
19 |
739 |
59 |
237 |
23 |
0 |
0 |
0 |
| VODI |
0 |
189 |
44 |
537 |
194 |
0 |
0 |
0 |
| ODI |
0 |
17 |
7 |
327 |
522 |
48 |
0 |
0 |
| CDI |
0 |
1 |
2 |
36 |
870 |
482 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
597 |
4740 |
8141 |
4346 |
|
...date precedes bulletin
|
Date: 2022-10-09:
| 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 |
14883 |
7897 |
54 |
156 |
82 |
0 |
0 |
0 |
| OW |
20 |
1038 |
82 |
271 |
28 |
0 |
0 |
0 |
| VODI |
0 |
235 |
42 |
536 |
388 |
0 |
0 |
0 |
| ODI |
0 |
20 |
6 |
140 |
689 |
56 |
0 |
0 |
| CDI |
0 |
1 |
1 |
51 |
822 |
427 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
443 |
4597 |
9992 |
2861 |
|
...date precedes bulletin
|
Date: 2022-10-11:
| 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 |
14487 |
8312 |
91 |
358 |
89 |
2 |
0 |
0 |
| OW |
1 |
272 |
56 |
532 |
160 |
6 |
0 |
0 |
| VODI |
0 |
55 |
14 |
368 |
668 |
18 |
0 |
0 |
| ODI |
0 |
2 |
1 |
55 |
1082 |
239 |
16 |
0 |
| CDI |
0 |
0 |
0 |
2 |
406 |
1005 |
203 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
1426 |
6743 |
9142 |
|
...date precedes bulletin
|
Date: 2022-10-13:
| 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 |
12964 |
8695 |
117 |
465 |
68 |
0 |
0 |
0 |
| OW |
5 |
355 |
51 |
565 |
348 |
15 |
0 |
0 |
| VODI |
0 |
31 |
19 |
230 |
929 |
116 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
566 |
540 |
6 |
0 |
| CDI |
0 |
0 |
0 |
4 |
407 |
1113 |
80 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
1489 |
5820 |
10816 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12969 |
8645 |
118 |
478 |
103 |
13 |
0 |
0 |
| OW |
0 |
397 |
45 |
517 |
262 |
2 |
0 |
0 |
| VODI |
0 |
39 |
24 |
261 |
903 |
89 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
589 |
488 |
9 |
0 |
| CDI |
0 |
0 |
0 |
1 |
444 |
1054 |
101 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
1627 |
5796 |
10813 |
|
Date: 2022-10-15:
| 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 |
12430 |
7967 |
109 |
482 |
146 |
0 |
0 |
0 |
| OW |
4 |
533 |
57 |
523 |
504 |
27 |
0 |
0 |
| VODI |
0 |
53 |
14 |
198 |
684 |
429 |
0 |
0 |
| ODI |
0 |
0 |
2 |
30 |
284 |
765 |
9 |
0 |
| CDI |
0 |
0 |
0 |
3 |
122 |
1173 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1291 |
6288 |
11508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12433 |
8111 |
127 |
512 |
186 |
0 |
0 |
0 |
| OW |
1 |
386 |
43 |
487 |
366 |
7 |
0 |
0 |
| VODI |
0 |
56 |
12 |
210 |
785 |
385 |
0 |
0 |
| ODI |
0 |
0 |
0 |
24 |
265 |
755 |
9 |
0 |
| CDI |
0 |
0 |
0 |
3 |
128 |
1169 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1369 |
6277 |
11508 |
|
Date: 2022-10-17:
| 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 |
9797 |
9657 |
98 |
368 |
73 |
0 |
0 |
0 |
| OW |
11 |
524 |
85 |
386 |
119 |
0 |
0 |
0 |
| VODI |
0 |
42 |
18 |
619 |
483 |
32 |
0 |
0 |
| ODI |
0 |
0 |
0 |
40 |
1080 |
254 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
309 |
1602 |
94 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
1347 |
6608 |
12212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9805 |
9614 |
127 |
645 |
335 |
2 |
0 |
0 |
| OW |
3 |
512 |
45 |
381 |
356 |
73 |
0 |
0 |
| VODI |
0 |
97 |
29 |
348 |
720 |
351 |
13 |
0 |
| ODI |
0 |
0 |
0 |
39 |
398 |
560 |
63 |
0 |
| CDI |
0 |
0 |
0 |
0 |
205 |
685 |
293 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
58 |
1564 |
6333 |
12212 |
|
Date: 2022-10-19:
| 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 |
10075 |
8453 |
101 |
504 |
217 |
0 |
0 |
0 |
| OW |
1 |
681 |
57 |
356 |
201 |
14 |
0 |
0 |
| VODI |
0 |
218 |
29 |
331 |
577 |
78 |
0 |
0 |
| ODI |
0 |
6 |
8 |
247 |
619 |
213 |
0 |
0 |
| CDI |
0 |
0 |
0 |
65 |
443 |
1017 |
24 |
2 |
| VCDI |
0 |
0 |
0 |
1 |
175 |
2684 |
6446 |
12023 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10076 |
8735 |
118 |
652 |
243 |
0 |
0 |
0 |
| OW |
0 |
539 |
51 |
397 |
345 |
13 |
0 |
0 |
| VODI |
0 |
83 |
26 |
369 |
740 |
377 |
0 |
0 |
| ODI |
0 |
1 |
0 |
67 |
457 |
551 |
14 |
0 |
| CDI |
0 |
0 |
0 |
19 |
281 |
743 |
120 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
166 |
2322 |
6336 |
12010 |
|
Date: 2022-10-21:
| 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 |
10137 |
7665 |
102 |
542 |
209 |
0 |
0 |
0 |
| OW |
33 |
848 |
57 |
520 |
249 |
5 |
0 |
0 |
| VODI |
2 |
364 |
16 |
311 |
513 |
74 |
0 |
0 |
| ODI |
0 |
79 |
12 |
171 |
655 |
218 |
0 |
0 |
| CDI |
0 |
6 |
4 |
103 |
370 |
579 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
299 |
2191 |
6534 |
12947 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10164 |
8078 |
110 |
636 |
257 |
2 |
0 |
0 |
| OW |
8 |
672 |
58 |
468 |
309 |
15 |
0 |
0 |
| VODI |
0 |
157 |
18 |
389 |
708 |
165 |
0 |
0 |
| ODI |
0 |
45 |
2 |
93 |
532 |
523 |
15 |
0 |
| CDI |
0 |
10 |
3 |
68 |
261 |
729 |
83 |
110 |
| VCDI |
0 |
0 |
0 |
21 |
228 |
1633 |
6459 |
12837 |
|
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