Validation of sea ice concentration - American sector
Bulletin date: 2022-11-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-18:
| 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 |
4310 |
6109 |
47 |
181 |
17 |
10 |
0 |
0 |
| OW |
2 |
458 |
45 |
277 |
106 |
14 |
0 |
0 |
| VODI |
0 |
218 |
25 |
289 |
276 |
3 |
0 |
0 |
| ODI |
0 |
81 |
16 |
134 |
422 |
18 |
2 |
0 |
| CDI |
0 |
12 |
7 |
120 |
534 |
134 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
1076 |
5677 |
8667 |
16512 |
|
...date precedes bulletin
|
Date: 2022-11-20:
| 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 |
2622 |
6669 |
73 |
328 |
59 |
0 |
0 |
0 |
| OW |
19 |
507 |
47 |
341 |
268 |
21 |
9 |
0 |
| VODI |
0 |
128 |
25 |
284 |
414 |
145 |
3 |
0 |
| ODI |
0 |
41 |
5 |
103 |
370 |
219 |
3 |
0 |
| CDI |
0 |
27 |
1 |
28 |
362 |
486 |
5 |
1 |
| VCDI |
0 |
19 |
4 |
56 |
696 |
6724 |
8638 |
16116 |
|
...date precedes bulletin
|
Date: 2022-11-22:
| 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 |
2149 |
6296 |
79 |
372 |
33 |
0 |
0 |
0 |
| OW |
68 |
529 |
54 |
342 |
58 |
0 |
0 |
0 |
| VODI |
13 |
102 |
25 |
334 |
403 |
0 |
0 |
0 |
| ODI |
0 |
20 |
0 |
72 |
623 |
160 |
5 |
6 |
| CDI |
0 |
6 |
2 |
33 |
498 |
570 |
3 |
13 |
| VCDI |
0 |
0 |
0 |
56 |
662 |
6454 |
8015 |
17811 |
|
...date precedes bulletin
|
Date: 2022-11-24:
| 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 |
2646 |
4904 |
59 |
512 |
131 |
0 |
0 |
0 |
| OW |
63 |
797 |
55 |
320 |
105 |
0 |
0 |
0 |
| VODI |
12 |
181 |
33 |
361 |
318 |
11 |
0 |
0 |
| ODI |
1 |
14 |
3 |
126 |
414 |
81 |
0 |
0 |
| CDI |
0 |
3 |
1 |
41 |
459 |
214 |
44 |
10 |
| VCDI |
0 |
0 |
0 |
11 |
525 |
4638 |
9517 |
19256 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2639 |
5174 |
71 |
552 |
116 |
0 |
0 |
0 |
| OW |
61 |
545 |
50 |
367 |
138 |
1 |
0 |
0 |
| VODI |
22 |
163 |
23 |
307 |
341 |
9 |
0 |
0 |
| ODI |
0 |
14 |
5 |
93 |
438 |
48 |
0 |
0 |
| CDI |
0 |
3 |
2 |
41 |
413 |
280 |
21 |
3 |
| VCDI |
0 |
0 |
0 |
11 |
506 |
4606 |
9540 |
19263 |
|
Date: 2022-11-26:
| 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 |
3183 |
3567 |
38 |
383 |
92 |
0 |
0 |
0 |
| OW |
63 |
1167 |
57 |
382 |
167 |
0 |
0 |
0 |
| VODI |
21 |
303 |
33 |
241 |
341 |
40 |
0 |
0 |
| ODI |
0 |
45 |
6 |
134 |
349 |
130 |
0 |
0 |
| CDI |
0 |
9 |
1 |
50 |
310 |
308 |
19 |
1 |
| VCDI |
0 |
1 |
0 |
37 |
401 |
3380 |
10563 |
20044 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3185 |
3929 |
55 |
477 |
106 |
0 |
0 |
0 |
| OW |
52 |
796 |
53 |
302 |
194 |
1 |
0 |
0 |
| VODI |
30 |
304 |
18 |
252 |
352 |
61 |
0 |
0 |
| ODI |
0 |
53 |
9 |
113 |
344 |
115 |
0 |
0 |
| CDI |
0 |
10 |
0 |
50 |
249 |
334 |
8 |
1 |
| VCDI |
0 |
0 |
0 |
33 |
415 |
3347 |
10574 |
20044 |
|
Date: 2022-11-28:
| 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 |
2629 |
3770 |
51 |
166 |
26 |
2 |
0 |
0 |
| OW |
69 |
531 |
57 |
491 |
192 |
29 |
0 |
0 |
| VODI |
6 |
144 |
20 |
456 |
555 |
43 |
0 |
0 |
| ODI |
0 |
24 |
5 |
39 |
605 |
261 |
0 |
0 |
| CDI |
0 |
6 |
1 |
13 |
104 |
790 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
120 |
2676 |
10810 |
21089 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2550 |
3524 |
70 |
453 |
127 |
23 |
0 |
0 |
| OW |
90 |
638 |
43 |
369 |
372 |
30 |
0 |
0 |
| VODI |
64 |
266 |
12 |
227 |
563 |
128 |
0 |
0 |
| ODI |
0 |
37 |
6 |
74 |
255 |
322 |
11 |
0 |
| CDI |
0 |
8 |
2 |
23 |
111 |
507 |
100 |
0 |
| VCDI |
0 |
2 |
1 |
31 |
174 |
2791 |
10773 |
21089 |
|
Date: 2022-11-30:
| 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 |
2413 |
3207 |
24 |
99 |
46 |
2 |
0 |
0 |
| OW |
68 |
964 |
86 |
380 |
135 |
34 |
0 |
0 |
| VODI |
11 |
364 |
34 |
467 |
374 |
107 |
6 |
0 |
| ODI |
0 |
46 |
17 |
156 |
454 |
130 |
0 |
0 |
| CDI |
0 |
8 |
4 |
30 |
351 |
579 |
8 |
0 |
| VCDI |
0 |
1 |
3 |
12 |
215 |
3292 |
6783 |
24956 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2419 |
2921 |
51 |
251 |
91 |
9 |
0 |
0 |
| OW |
54 |
1032 |
55 |
295 |
155 |
71 |
4 |
0 |
| VODI |
17 |
535 |
44 |
388 |
401 |
131 |
2 |
0 |
| ODI |
2 |
91 |
9 |
165 |
390 |
199 |
1 |
0 |
| CDI |
0 |
7 |
5 |
23 |
304 |
384 |
27 |
0 |
| VCDI |
0 |
4 |
4 |
22 |
234 |
3350 |
6763 |
24956 |
|
Date: 2022-12-02:
| 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 |
1444 |
3527 |
40 |
170 |
70 |
0 |
0 |
0 |
| OW |
59 |
845 |
62 |
392 |
260 |
6 |
0 |
0 |
| VODI |
1 |
425 |
42 |
420 |
417 |
177 |
0 |
0 |
| ODI |
0 |
127 |
21 |
172 |
380 |
206 |
1 |
0 |
| CDI |
0 |
19 |
4 |
83 |
374 |
515 |
57 |
0 |
| VCDI |
0 |
2 |
6 |
53 |
297 |
3144 |
6170 |
25878 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1375 |
2977 |
41 |
183 |
137 |
7 |
0 |
0 |
| OW |
70 |
987 |
47 |
310 |
228 |
41 |
0 |
0 |
| VODI |
52 |
590 |
41 |
437 |
475 |
281 |
0 |
0 |
| ODI |
7 |
263 |
28 |
166 |
285 |
299 |
1 |
0 |
| CDI |
0 |
120 |
12 |
133 |
193 |
344 |
24 |
0 |
| VCDI |
0 |
8 |
6 |
61 |
480 |
3076 |
6203 |
25878 |
|
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