Validation of sea ice concentration - American sector
Bulletin date: 2020-12-10
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2020-12-06:
| 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 |
14 |
3114 |
77 |
270 |
218 |
28 |
0 |
0 |
| OW |
0 |
464 |
52 |
378 |
341 |
108 |
0 |
0 |
| VODI |
0 |
108 |
18 |
206 |
358 |
355 |
0 |
0 |
| ODI |
0 |
27 |
4 |
54 |
211 |
597 |
4 |
0 |
| CDI |
0 |
0 |
0 |
18 |
323 |
907 |
159 |
33 |
| VCDI |
0 |
0 |
0 |
57 |
307 |
4552 |
11533 |
20971 |
|
...date precedes bulletin
|
Date: 2020-12-08:
| 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 |
22 |
2939 |
82 |
267 |
47 |
0 |
0 |
0 |
| OW |
0 |
310 |
55 |
368 |
202 |
4 |
0 |
0 |
| VODI |
0 |
24 |
10 |
303 |
533 |
104 |
0 |
0 |
| ODI |
0 |
3 |
1 |
56 |
754 |
499 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
622 |
1022 |
181 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
298 |
2839 |
9563 |
24754 |
|
...date precedes bulletin
|
Date: 2020-12-10:
| 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 |
2 |
1703 |
106 |
534 |
160 |
3 |
0 |
0 |
| OW |
0 |
465 |
60 |
509 |
216 |
87 |
0 |
0 |
| VODI |
0 |
59 |
7 |
265 |
365 |
284 |
0 |
0 |
| ODI |
0 |
5 |
3 |
57 |
557 |
484 |
84 |
0 |
| CDI |
0 |
0 |
1 |
24 |
418 |
1150 |
127 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
481 |
4521 |
7520 |
25609 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2 |
1776 |
108 |
626 |
229 |
7 |
0 |
0 |
| OW |
0 |
402 |
53 |
363 |
161 |
74 |
0 |
0 |
| VODI |
0 |
49 |
13 |
304 |
354 |
268 |
0 |
0 |
| ODI |
0 |
5 |
2 |
78 |
488 |
391 |
57 |
0 |
| CDI |
0 |
0 |
1 |
18 |
432 |
979 |
89 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
533 |
4810 |
7585 |
25609 |
|
Date: 2020-12-12:
| 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 |
0 |
882 |
50 |
340 |
217 |
13 |
0 |
0 |
| OW |
0 |
372 |
35 |
474 |
432 |
138 |
0 |
0 |
| VODI |
0 |
172 |
24 |
410 |
294 |
285 |
7 |
0 |
| ODI |
0 |
3 |
2 |
155 |
190 |
424 |
112 |
0 |
| CDI |
0 |
0 |
0 |
9 |
293 |
659 |
445 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
244 |
4843 |
10827 |
23513 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
921 |
55 |
365 |
221 |
18 |
0 |
0 |
| OW |
0 |
394 |
28 |
426 |
400 |
118 |
0 |
0 |
| VODI |
0 |
112 |
25 |
435 |
303 |
287 |
6 |
0 |
| ODI |
0 |
2 |
3 |
155 |
205 |
353 |
96 |
0 |
| CDI |
0 |
0 |
0 |
8 |
287 |
668 |
292 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
254 |
4918 |
10997 |
23513 |
|
Date: 2020-12-14:
| 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 |
0 |
627 |
14 |
54 |
2 |
0 |
0 |
0 |
| OW |
0 |
377 |
39 |
271 |
63 |
0 |
0 |
0 |
| VODI |
0 |
139 |
22 |
563 |
584 |
32 |
0 |
0 |
| ODI |
0 |
38 |
7 |
178 |
951 |
135 |
6 |
0 |
| CDI |
0 |
21 |
1 |
75 |
470 |
727 |
88 |
0 |
| VCDI |
0 |
8 |
1 |
69 |
584 |
4447 |
14435 |
20838 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
412 |
17 |
104 |
116 |
12 |
0 |
0 |
| OW |
0 |
408 |
30 |
238 |
244 |
100 |
0 |
0 |
| VODI |
0 |
199 |
20 |
423 |
632 |
204 |
30 |
0 |
| ODI |
0 |
104 |
9 |
189 |
535 |
199 |
66 |
0 |
| CDI |
0 |
63 |
3 |
146 |
416 |
448 |
299 |
0 |
| VCDI |
0 |
24 |
5 |
110 |
711 |
4378 |
14134 |
20838 |
|
Date: 2020-12-16:
| 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 |
0 |
115 |
1 |
5 |
0 |
0 |
0 |
0 |
| OW |
0 |
183 |
25 |
128 |
49 |
0 |
0 |
0 |
| VODI |
0 |
178 |
24 |
369 |
428 |
50 |
0 |
0 |
| ODI |
0 |
63 |
7 |
146 |
717 |
183 |
0 |
0 |
| CDI |
0 |
57 |
7 |
67 |
639 |
573 |
24 |
0 |
| VCDI |
0 |
71 |
14 |
161 |
762 |
4894 |
13875 |
22051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
74 |
5 |
18 |
23 |
3 |
0 |
0 |
| OW |
0 |
201 |
21 |
98 |
135 |
65 |
0 |
0 |
| VODI |
0 |
93 |
23 |
400 |
651 |
367 |
11 |
0 |
| ODI |
0 |
80 |
5 |
109 |
616 |
374 |
53 |
0 |
| CDI |
0 |
70 |
5 |
69 |
448 |
515 |
138 |
0 |
| VCDI |
0 |
149 |
19 |
182 |
722 |
4376 |
13697 |
22051 |
|
Date: 2020-12-18:
| 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 |
0 |
19 |
0 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
81 |
10 |
28 |
0 |
0 |
0 |
0 |
| VODI |
0 |
132 |
26 |
188 |
121 |
0 |
0 |
0 |
| ODI |
0 |
10 |
7 |
167 |
398 |
152 |
0 |
0 |
| CDI |
0 |
1 |
1 |
97 |
831 |
765 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
61 |
941 |
5129 |
12653 |
24019 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
7 |
1 |
2 |
1 |
2 |
0 |
0 |
| OW |
0 |
116 |
14 |
87 |
17 |
25 |
0 |
0 |
| VODI |
0 |
100 |
21 |
235 |
273 |
167 |
1 |
0 |
| ODI |
0 |
15 |
6 |
91 |
440 |
691 |
77 |
0 |
| CDI |
0 |
5 |
1 |
43 |
647 |
744 |
117 |
0 |
| VCDI |
0 |
0 |
1 |
84 |
913 |
4417 |
12486 |
24019 |
|
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