Validation of sea ice concentration - American sector
Bulletin date: 2020-07-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-07-24:
| 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 |
8585 |
7614 |
119 |
676 |
92 |
0 |
0 |
0 |
| OW |
0 |
309 |
64 |
423 |
140 |
4 |
0 |
0 |
| VODI |
0 |
40 |
32 |
1006 |
791 |
10 |
0 |
0 |
| ODI |
0 |
44 |
0 |
80 |
3229 |
382 |
0 |
0 |
| CDI |
0 |
41 |
2 |
13 |
4378 |
10004 |
2973 |
0 |
| VCDI |
0 |
22 |
0 |
15 |
343 |
2136 |
2299 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-26:
| 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 |
8171 |
8165 |
131 |
710 |
72 |
0 |
0 |
0 |
| OW |
0 |
340 |
71 |
461 |
213 |
0 |
0 |
0 |
| VODI |
0 |
52 |
22 |
942 |
900 |
0 |
0 |
0 |
| ODI |
0 |
32 |
2 |
93 |
3377 |
1279 |
0 |
0 |
| CDI |
0 |
25 |
5 |
10 |
3853 |
11482 |
2365 |
0 |
| VCDI |
0 |
4 |
0 |
5 |
421 |
2373 |
290 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-28:
| 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 |
9823 |
7092 |
139 |
529 |
64 |
0 |
0 |
0 |
| OW |
0 |
316 |
66 |
510 |
130 |
0 |
0 |
0 |
| VODI |
0 |
91 |
19 |
887 |
730 |
0 |
0 |
0 |
| ODI |
0 |
18 |
0 |
87 |
7443 |
222 |
0 |
0 |
| CDI |
0 |
17 |
2 |
17 |
3257 |
13007 |
30 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
265 |
662 |
441 |
0 |
|
...date precedes bulletin
|
Date: 2020-07-30:
| 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 |
11445 |
5831 |
118 |
501 |
82 |
0 |
0 |
0 |
| OW |
0 |
488 |
32 |
581 |
216 |
1 |
0 |
0 |
| VODI |
0 |
75 |
17 |
592 |
1018 |
4 |
0 |
0 |
| ODI |
0 |
19 |
0 |
64 |
8111 |
393 |
0 |
0 |
| CDI |
0 |
5 |
2 |
34 |
2426 |
11617 |
1471 |
0 |
| VCDI |
0 |
1 |
1 |
4 |
312 |
239 |
166 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11445 |
5862 |
124 |
563 |
134 |
0 |
0 |
0 |
| OW |
0 |
431 |
26 |
528 |
203 |
1 |
0 |
0 |
| VODI |
0 |
101 |
17 |
614 |
1255 |
7 |
0 |
0 |
| ODI |
0 |
18 |
0 |
33 |
7868 |
392 |
0 |
0 |
| CDI |
0 |
6 |
1 |
33 |
2418 |
11568 |
1422 |
0 |
| VCDI |
0 |
1 |
2 |
5 |
287 |
286 |
215 |
0 |
|
Date: 2020-08-01:
| 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 |
11925 |
5591 |
127 |
673 |
40 |
0 |
0 |
0 |
| OW |
0 |
357 |
33 |
632 |
261 |
1 |
0 |
0 |
| VODI |
0 |
89 |
14 |
800 |
1225 |
54 |
0 |
0 |
| ODI |
0 |
9 |
0 |
74 |
7684 |
845 |
0 |
0 |
| CDI |
0 |
2 |
1 |
18 |
1930 |
11234 |
1873 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
180 |
161 |
13 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11925 |
5553 |
134 |
762 |
70 |
0 |
0 |
0 |
| OW |
0 |
407 |
29 |
599 |
249 |
2 |
0 |
0 |
| VODI |
0 |
75 |
11 |
747 |
1498 |
69 |
0 |
0 |
| ODI |
0 |
10 |
0 |
71 |
7410 |
908 |
0 |
0 |
| CDI |
0 |
3 |
1 |
17 |
1915 |
11036 |
1833 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
178 |
280 |
53 |
0 |
|
Date: 2020-08-03:
| 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 |
12295 |
5705 |
116 |
495 |
39 |
0 |
0 |
0 |
| OW |
0 |
218 |
45 |
456 |
84 |
0 |
0 |
0 |
| VODI |
0 |
18 |
5 |
1603 |
990 |
3 |
0 |
0 |
| ODI |
0 |
3 |
3 |
46 |
6715 |
393 |
0 |
0 |
| CDI |
0 |
2 |
1 |
51 |
805 |
11531 |
2068 |
53 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
124 |
1887 |
103 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12295 |
5583 |
127 |
746 |
113 |
0 |
0 |
0 |
| OW |
0 |
291 |
29 |
525 |
244 |
5 |
0 |
0 |
| VODI |
0 |
64 |
10 |
906 |
1807 |
270 |
4 |
0 |
| ODI |
0 |
4 |
1 |
421 |
5177 |
2463 |
33 |
0 |
| CDI |
0 |
4 |
3 |
28 |
1165 |
9137 |
3918 |
156 |
| VCDI |
0 |
0 |
0 |
25 |
136 |
176 |
0 |
0 |
|
Date: 2020-08-05:
| 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 |
13366 |
4956 |
82 |
460 |
50 |
0 |
0 |
0 |
| OW |
0 |
194 |
47 |
619 |
46 |
0 |
0 |
0 |
| VODI |
0 |
15 |
10 |
2180 |
1659 |
4 |
0 |
0 |
| ODI |
0 |
6 |
1 |
68 |
5726 |
375 |
0 |
0 |
| CDI |
0 |
0 |
1 |
105 |
1971 |
8875 |
3249 |
37 |
| VCDI |
0 |
0 |
0 |
2 |
25 |
344 |
1358 |
35 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13366 |
4865 |
98 |
736 |
61 |
0 |
0 |
0 |
| OW |
0 |
228 |
29 |
596 |
161 |
2 |
0 |
0 |
| VODI |
0 |
69 |
11 |
1314 |
2327 |
250 |
0 |
0 |
| ODI |
0 |
4 |
0 |
675 |
5537 |
1256 |
18 |
0 |
| CDI |
0 |
5 |
3 |
52 |
1300 |
8068 |
4589 |
72 |
| VCDI |
0 |
0 |
0 |
61 |
91 |
22 |
0 |
0 |
|
Date: 2020-08-07:
| 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 |
13887 |
4715 |
76 |
478 |
29 |
0 |
0 |
0 |
| OW |
0 |
386 |
46 |
650 |
56 |
0 |
0 |
0 |
| VODI |
0 |
72 |
23 |
2576 |
2131 |
12 |
0 |
0 |
| ODI |
0 |
4 |
0 |
240 |
5162 |
361 |
2 |
0 |
| CDI |
0 |
0 |
0 |
74 |
1659 |
8044 |
3555 |
4 |
| VCDI |
0 |
0 |
0 |
13 |
70 |
332 |
1209 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13887 |
4725 |
93 |
658 |
48 |
0 |
0 |
0 |
| OW |
0 |
321 |
34 |
592 |
127 |
0 |
0 |
0 |
| VODI |
0 |
123 |
16 |
1604 |
2749 |
69 |
0 |
0 |
| ODI |
0 |
6 |
1 |
1081 |
4787 |
1059 |
37 |
0 |
| CDI |
0 |
2 |
1 |
62 |
1324 |
7621 |
4729 |
4 |
| VCDI |
0 |
0 |
0 |
34 |
72 |
0 |
0 |
0 |
|
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