Validation of sea ice concentration - American sector
Bulletin date: 2022-09-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-09-25:
| 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 |
18078 |
5857 |
423 |
593 |
108 |
19 |
0 |
0 |
| OW |
1 |
597 |
255 |
458 |
357 |
105 |
0 |
0 |
| VODI |
0 |
39 |
62 |
421 |
675 |
136 |
1 |
0 |
| ODI |
0 |
3 |
0 |
119 |
709 |
269 |
10 |
0 |
| CDI |
0 |
0 |
0 |
5 |
218 |
989 |
100 |
0 |
| VCDI |
0 |
3 |
2 |
4 |
42 |
5050 |
10145 |
13 |
|
...date precedes bulletin
|
Date: 2022-09-27:
| 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 |
17940 |
6031 |
473 |
464 |
308 |
44 |
0 |
0 |
| OW |
0 |
69 |
97 |
258 |
293 |
81 |
3 |
0 |
| VODI |
0 |
50 |
53 |
260 |
542 |
223 |
6 |
0 |
| ODI |
0 |
1 |
0 |
29 |
639 |
483 |
7 |
0 |
| CDI |
0 |
0 |
0 |
1 |
97 |
1048 |
375 |
0 |
| VCDI |
0 |
2 |
0 |
3 |
20 |
4490 |
10877 |
599 |
|
...date precedes bulletin
|
Date: 2022-09-29:
| 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 |
17349 |
6185 |
378 |
380 |
204 |
71 |
0 |
0 |
| OW |
4 |
277 |
135 |
343 |
288 |
72 |
0 |
0 |
| VODI |
0 |
33 |
60 |
247 |
579 |
214 |
2 |
0 |
| ODI |
0 |
1 |
3 |
54 |
564 |
327 |
35 |
0 |
| CDI |
0 |
0 |
0 |
4 |
410 |
747 |
382 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
129 |
5467 |
10823 |
98 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17353 |
6178 |
419 |
419 |
235 |
68 |
0 |
0 |
| OW |
0 |
260 |
90 |
255 |
283 |
97 |
0 |
0 |
| VODI |
0 |
56 |
63 |
313 |
570 |
264 |
3 |
0 |
| ODI |
0 |
2 |
4 |
37 |
538 |
282 |
29 |
0 |
| CDI |
0 |
0 |
0 |
4 |
390 |
620 |
278 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
158 |
5567 |
10932 |
98 |
|
Date: 2022-10-01:
| 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 |
16842 |
6217 |
365 |
427 |
220 |
2 |
0 |
0 |
| OW |
9 |
416 |
182 |
404 |
321 |
22 |
0 |
0 |
| VODI |
0 |
52 |
63 |
337 |
569 |
108 |
7 |
0 |
| ODI |
0 |
6 |
10 |
101 |
586 |
288 |
23 |
0 |
| CDI |
0 |
0 |
0 |
21 |
201 |
952 |
69 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
78 |
5025 |
11917 |
26 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16849 |
6200 |
420 |
520 |
203 |
7 |
0 |
0 |
| OW |
2 |
376 |
105 |
269 |
351 |
35 |
0 |
0 |
| VODI |
0 |
108 |
81 |
419 |
657 |
115 |
12 |
0 |
| ODI |
0 |
7 |
13 |
54 |
451 |
294 |
23 |
0 |
| CDI |
0 |
0 |
1 |
26 |
192 |
747 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
121 |
5199 |
11921 |
26 |
|
Date: 2022-10-03:
| 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 |
14621 |
8409 |
535 |
433 |
60 |
7 |
0 |
0 |
| OW |
1 |
113 |
109 |
312 |
148 |
5 |
0 |
0 |
| VODI |
0 |
26 |
49 |
282 |
514 |
31 |
10 |
0 |
| ODI |
0 |
2 |
10 |
37 |
938 |
279 |
33 |
0 |
| CDI |
0 |
0 |
0 |
14 |
236 |
1355 |
115 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
37 |
3484 |
13101 |
553 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14612 |
8035 |
497 |
441 |
106 |
0 |
0 |
0 |
| OW |
10 |
350 |
88 |
278 |
459 |
23 |
0 |
0 |
| VODI |
0 |
150 |
70 |
218 |
666 |
220 |
0 |
0 |
| ODI |
0 |
11 |
31 |
88 |
379 |
382 |
7 |
0 |
| CDI |
0 |
4 |
9 |
27 |
212 |
752 |
66 |
0 |
| VCDI |
0 |
0 |
8 |
33 |
111 |
3784 |
13186 |
553 |
|
Date: 2022-10-05:
| 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 |
13415 |
8588 |
1044 |
583 |
151 |
3 |
0 |
0 |
| OW |
20 |
131 |
107 |
322 |
268 |
20 |
0 |
0 |
| VODI |
0 |
25 |
38 |
190 |
536 |
127 |
0 |
0 |
| ODI |
0 |
1 |
3 |
49 |
513 |
453 |
2 |
0 |
| CDI |
0 |
1 |
0 |
21 |
416 |
1089 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
56 |
4195 |
11607 |
1816 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13425 |
8205 |
912 |
518 |
212 |
22 |
0 |
0 |
| OW |
10 |
449 |
162 |
241 |
319 |
106 |
0 |
0 |
| VODI |
0 |
88 |
109 |
266 |
530 |
239 |
0 |
0 |
| ODI |
0 |
3 |
9 |
94 |
555 |
393 |
3 |
0 |
| CDI |
0 |
1 |
0 |
18 |
235 |
778 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
89 |
4349 |
11640 |
1816 |
|
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 |
15861 |
7264 |
267 |
155 |
64 |
14 |
0 |
0 |
| OW |
75 |
413 |
213 |
299 |
77 |
0 |
0 |
0 |
| VODI |
0 |
75 |
121 |
482 |
276 |
10 |
0 |
0 |
| ODI |
0 |
3 |
21 |
341 |
475 |
80 |
1 |
0 |
| CDI |
0 |
0 |
6 |
150 |
708 |
504 |
64 |
0 |
| VCDI |
0 |
0 |
2 |
77 |
956 |
6164 |
9338 |
1310 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15935 |
6674 |
199 |
162 |
66 |
14 |
0 |
0 |
| OW |
1 |
683 |
184 |
336 |
73 |
0 |
0 |
0 |
| VODI |
0 |
333 |
162 |
484 |
324 |
13 |
0 |
0 |
| ODI |
0 |
57 |
49 |
237 |
506 |
192 |
6 |
0 |
| CDI |
0 |
8 |
21 |
135 |
582 |
336 |
48 |
0 |
| VCDI |
0 |
0 |
15 |
150 |
1005 |
6217 |
9349 |
1310 |
|
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