Validation of sea ice concentration - American sector
Bulletin date: 2023-10-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-13:
| 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 |
17531 |
5679 |
355 |
686 |
219 |
12 |
0 |
0 |
| OW |
0 |
240 |
124 |
488 |
555 |
56 |
0 |
0 |
| VODI |
0 |
26 |
38 |
232 |
560 |
164 |
0 |
0 |
| ODI |
0 |
0 |
1 |
77 |
414 |
362 |
7 |
0 |
| CDI |
0 |
0 |
0 |
11 |
117 |
970 |
197 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
22 |
1079 |
5988 |
9653 |
|
...date precedes bulletin
|
Date: 2023-10-15:
| 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 |
16525 |
5985 |
341 |
637 |
252 |
14 |
0 |
0 |
| OW |
0 |
302 |
80 |
337 |
704 |
88 |
0 |
0 |
| VODI |
0 |
109 |
65 |
202 |
392 |
485 |
21 |
0 |
| ODI |
0 |
18 |
12 |
95 |
279 |
338 |
48 |
0 |
| CDI |
0 |
0 |
0 |
37 |
276 |
707 |
148 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
93 |
1597 |
6899 |
8778 |
|
...date precedes bulletin
|
Date: 2023-10-17:
| 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 |
15574 |
6331 |
433 |
794 |
203 |
16 |
0 |
0 |
| OW |
0 |
133 |
106 |
512 |
233 |
24 |
0 |
0 |
| VODI |
0 |
8 |
16 |
282 |
448 |
132 |
0 |
0 |
| ODI |
0 |
0 |
0 |
38 |
558 |
478 |
5 |
0 |
| CDI |
0 |
0 |
0 |
18 |
202 |
1641 |
185 |
18 |
| VCDI |
0 |
0 |
0 |
1 |
37 |
1031 |
6236 |
10173 |
|
...date precedes bulletin
|
Date: 2023-10-19:
| 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 |
14532 |
6489 |
435 |
908 |
266 |
19 |
0 |
0 |
| OW |
0 |
179 |
49 |
398 |
493 |
58 |
0 |
0 |
| VODI |
0 |
20 |
21 |
261 |
540 |
213 |
0 |
0 |
| ODI |
0 |
0 |
0 |
28 |
293 |
525 |
24 |
0 |
| CDI |
0 |
0 |
0 |
5 |
144 |
1102 |
369 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
49 |
1133 |
6898 |
10414 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14527 |
6470 |
440 |
1009 |
339 |
12 |
0 |
0 |
| OW |
5 |
187 |
39 |
332 |
454 |
47 |
0 |
0 |
| VODI |
0 |
31 |
26 |
232 |
509 |
245 |
1 |
0 |
| ODI |
0 |
0 |
0 |
22 |
300 |
559 |
30 |
0 |
| CDI |
0 |
0 |
0 |
6 |
114 |
973 |
393 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
1214 |
6867 |
10414 |
|
Date: 2023-10-21:
| 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 |
12954 |
7065 |
441 |
852 |
343 |
52 |
0 |
0 |
| OW |
29 |
307 |
96 |
326 |
398 |
117 |
0 |
0 |
| VODI |
0 |
46 |
47 |
218 |
448 |
420 |
4 |
0 |
| ODI |
0 |
1 |
3 |
65 |
239 |
419 |
23 |
0 |
| CDI |
0 |
0 |
0 |
26 |
170 |
779 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
89 |
2321 |
7581 |
9877 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12963 |
7065 |
445 |
979 |
425 |
66 |
0 |
0 |
| OW |
20 |
290 |
87 |
189 |
358 |
107 |
0 |
0 |
| VODI |
0 |
64 |
55 |
227 |
401 |
397 |
1 |
0 |
| ODI |
0 |
0 |
0 |
62 |
268 |
490 |
26 |
0 |
| CDI |
0 |
0 |
0 |
29 |
134 |
713 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
101 |
2335 |
7573 |
9877 |
|
Date: 2023-10-23:
| 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 |
12238 |
7546 |
397 |
749 |
275 |
171 |
7 |
0 |
| OW |
3 |
256 |
107 |
382 |
224 |
81 |
10 |
0 |
| VODI |
0 |
17 |
43 |
435 |
455 |
234 |
23 |
0 |
| ODI |
0 |
0 |
1 |
76 |
412 |
306 |
30 |
0 |
| CDI |
0 |
0 |
0 |
32 |
336 |
269 |
153 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
234 |
3343 |
7740 |
9267 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12171 |
7506 |
394 |
667 |
223 |
165 |
3 |
0 |
| OW |
70 |
301 |
109 |
450 |
212 |
48 |
11 |
0 |
| VODI |
0 |
12 |
45 |
463 |
590 |
235 |
19 |
0 |
| ODI |
0 |
0 |
0 |
73 |
427 |
302 |
35 |
0 |
| CDI |
0 |
0 |
0 |
29 |
327 |
387 |
130 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
157 |
3267 |
7765 |
9267 |
|
Date: 2023-10-25:
| 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 |
13478 |
6157 |
423 |
737 |
300 |
84 |
0 |
0 |
| OW |
29 |
206 |
82 |
283 |
324 |
68 |
0 |
0 |
| VODI |
0 |
55 |
18 |
332 |
519 |
295 |
0 |
0 |
| ODI |
0 |
9 |
2 |
65 |
317 |
443 |
0 |
0 |
| CDI |
0 |
1 |
0 |
13 |
149 |
819 |
13 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
59 |
3988 |
7392 |
9202 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13412 |
5983 |
403 |
625 |
201 |
78 |
0 |
0 |
| OW |
85 |
367 |
102 |
427 |
301 |
48 |
0 |
0 |
| VODI |
10 |
75 |
20 |
312 |
642 |
248 |
0 |
0 |
| ODI |
0 |
3 |
0 |
59 |
417 |
629 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
76 |
954 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
31 |
3740 |
7394 |
9202 |
|
Date: 2023-10-27:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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