Validation of sea ice concentration - American sector
Bulletin date: 2020-11-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-11-20:
| 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 |
4097 |
5282 |
63 |
338 |
82 |
0 |
0 |
0 |
| OW |
102 |
504 |
28 |
281 |
297 |
18 |
0 |
0 |
| VODI |
4 |
247 |
34 |
241 |
358 |
148 |
0 |
0 |
| ODI |
0 |
54 |
5 |
124 |
322 |
258 |
0 |
0 |
| CDI |
0 |
10 |
5 |
89 |
348 |
790 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
158 |
2253 |
7466 |
21854 |
|
...date precedes bulletin
|
Date: 2020-11-22:
| 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 |
2050 |
5739 |
64 |
489 |
603 |
6 |
0 |
0 |
| OW |
43 |
415 |
35 |
437 |
334 |
96 |
0 |
0 |
| VODI |
1 |
146 |
39 |
281 |
346 |
289 |
10 |
0 |
| ODI |
0 |
58 |
12 |
162 |
330 |
244 |
15 |
0 |
| CDI |
0 |
4 |
1 |
75 |
366 |
522 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
277 |
3213 |
6285 |
22789 |
|
...date precedes bulletin
|
Date: 2020-11-24:
| 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 |
1118 |
5720 |
57 |
371 |
158 |
36 |
0 |
0 |
| OW |
1 |
320 |
66 |
387 |
227 |
78 |
0 |
0 |
| VODI |
0 |
53 |
15 |
500 |
596 |
302 |
0 |
0 |
| ODI |
0 |
21 |
5 |
117 |
718 |
568 |
4 |
0 |
| CDI |
0 |
6 |
3 |
11 |
465 |
940 |
118 |
4 |
| VCDI |
0 |
0 |
0 |
0 |
250 |
2320 |
7025 |
23286 |
|
...date precedes bulletin
|
Date: 2020-11-26:
| 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 |
2045 |
4457 |
53 |
176 |
125 |
68 |
11 |
0 |
| OW |
87 |
513 |
22 |
321 |
205 |
158 |
44 |
0 |
| VODI |
9 |
252 |
22 |
172 |
392 |
220 |
81 |
0 |
| ODI |
0 |
94 |
15 |
149 |
649 |
410 |
151 |
0 |
| CDI |
0 |
70 |
10 |
113 |
301 |
648 |
334 |
47 |
| VCDI |
0 |
0 |
0 |
69 |
560 |
3082 |
7043 |
22688 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2069 |
4479 |
49 |
213 |
133 |
123 |
39 |
0 |
| OW |
57 |
468 |
24 |
284 |
181 |
81 |
29 |
0 |
| VODI |
15 |
296 |
26 |
175 |
411 |
232 |
63 |
0 |
| ODI |
0 |
82 |
13 |
142 |
561 |
409 |
155 |
0 |
| CDI |
0 |
59 |
10 |
119 |
345 |
631 |
361 |
55 |
| VCDI |
0 |
2 |
0 |
67 |
601 |
3110 |
7017 |
22680 |
|
Date: 2020-11-28:
| 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 |
1247 |
4385 |
78 |
314 |
194 |
1 |
0 |
0 |
| OW |
96 |
536 |
24 |
230 |
441 |
166 |
18 |
0 |
| VODI |
24 |
181 |
29 |
215 |
377 |
291 |
46 |
0 |
| ODI |
0 |
27 |
19 |
167 |
505 |
429 |
82 |
0 |
| CDI |
0 |
22 |
9 |
99 |
382 |
895 |
155 |
0 |
| VCDI |
0 |
3 |
1 |
75 |
460 |
2003 |
7857 |
23783 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1310 |
4522 |
83 |
331 |
219 |
67 |
4 |
0 |
| OW |
53 |
379 |
16 |
213 |
386 |
83 |
17 |
0 |
| VODI |
4 |
199 |
33 |
240 |
427 |
324 |
49 |
0 |
| ODI |
0 |
23 |
17 |
153 |
361 |
357 |
74 |
0 |
| CDI |
0 |
26 |
8 |
83 |
484 |
900 |
149 |
0 |
| VCDI |
0 |
5 |
3 |
80 |
482 |
2054 |
7865 |
23783 |
|
Date: 2020-11-30:
| 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 |
233 |
4786 |
66 |
205 |
31 |
0 |
0 |
0 |
| OW |
0 |
312 |
60 |
457 |
128 |
10 |
0 |
0 |
| VODI |
0 |
58 |
18 |
322 |
574 |
142 |
0 |
0 |
| ODI |
0 |
1 |
0 |
43 |
851 |
551 |
0 |
0 |
| CDI |
0 |
6 |
2 |
16 |
427 |
1349 |
310 |
0 |
| VCDI |
0 |
7 |
3 |
4 |
236 |
2325 |
7768 |
24565 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
232 |
4687 |
88 |
470 |
202 |
52 |
1 |
0 |
| OW |
1 |
356 |
31 |
224 |
340 |
234 |
26 |
0 |
| VODI |
0 |
110 |
25 |
225 |
440 |
514 |
44 |
0 |
| ODI |
0 |
4 |
0 |
69 |
331 |
390 |
104 |
0 |
| CDI |
0 |
2 |
0 |
34 |
378 |
729 |
271 |
0 |
| VCDI |
0 |
11 |
5 |
25 |
556 |
2458 |
7632 |
24565 |
|
Date: 2020-12-02:
| 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 |
147 |
4166 |
86 |
215 |
75 |
0 |
0 |
0 |
| OW |
0 |
387 |
68 |
432 |
257 |
6 |
0 |
0 |
| VODI |
0 |
78 |
16 |
185 |
596 |
146 |
0 |
0 |
| ODI |
0 |
11 |
2 |
26 |
544 |
702 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
747 |
1133 |
44 |
18 |
| VCDI |
0 |
0 |
0 |
44 |
421 |
3587 |
8468 |
23256 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
147 |
4085 |
111 |
393 |
335 |
32 |
0 |
0 |
| OW |
0 |
417 |
36 |
226 |
394 |
217 |
3 |
0 |
| VODI |
0 |
129 |
20 |
189 |
327 |
664 |
36 |
0 |
| ODI |
0 |
9 |
5 |
47 |
384 |
599 |
32 |
0 |
| CDI |
0 |
2 |
0 |
6 |
493 |
770 |
77 |
13 |
| VCDI |
0 |
0 |
0 |
44 |
707 |
3292 |
8364 |
23261 |
|
Date: 2020-12-04:
| 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 |
205 |
3897 |
53 |
228 |
46 |
0 |
0 |
0 |
| OW |
0 |
454 |
56 |
418 |
214 |
8 |
0 |
0 |
| VODI |
0 |
89 |
17 |
287 |
550 |
79 |
0 |
0 |
| ODI |
0 |
20 |
6 |
54 |
403 |
521 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
523 |
833 |
11 |
11 |
| VCDI |
0 |
0 |
0 |
91 |
716 |
5531 |
10997 |
19527 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
182 |
3736 |
78 |
413 |
232 |
31 |
0 |
0 |
| OW |
23 |
501 |
23 |
267 |
368 |
141 |
0 |
0 |
| VODI |
0 |
184 |
21 |
205 |
347 |
590 |
7 |
0 |
| ODI |
0 |
36 |
9 |
71 |
314 |
512 |
47 |
0 |
| CDI |
0 |
3 |
1 |
39 |
471 |
889 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
104 |
720 |
4809 |
10845 |
19538 |
|
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