Validation of sea ice concentration - American sector
Bulletin date: 2024-07-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-05:
| 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 |
17977 |
3977 |
53 |
43 |
13 |
0 |
0 |
0 |
| OW |
179 |
2159 |
213 |
352 |
122 |
10 |
0 |
0 |
| VODI |
22 |
311 |
241 |
1694 |
942 |
42 |
0 |
0 |
| ODI |
1 |
44 |
10 |
547 |
3902 |
396 |
0 |
0 |
| CDI |
33 |
13 |
1 |
78 |
4152 |
8271 |
0 |
0 |
| VCDI |
16 |
0 |
0 |
36 |
907 |
12600 |
1872 |
2 |
|
...date precedes bulletin
|
Date: 2024-07-07:
| 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 |
18299 |
4166 |
33 |
33 |
17 |
0 |
0 |
0 |
| OW |
93 |
2086 |
220 |
493 |
153 |
3 |
0 |
0 |
| VODI |
13 |
321 |
255 |
1470 |
1122 |
79 |
0 |
0 |
| ODI |
11 |
34 |
20 |
515 |
3840 |
490 |
0 |
0 |
| CDI |
36 |
8 |
4 |
125 |
4300 |
7885 |
7 |
0 |
| VCDI |
17 |
0 |
0 |
63 |
433 |
13117 |
1470 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-09:
| 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 |
18891 |
4975 |
28 |
40 |
23 |
0 |
0 |
0 |
| OW |
46 |
1525 |
468 |
435 |
76 |
0 |
0 |
0 |
| VODI |
19 |
56 |
56 |
1792 |
650 |
13 |
0 |
0 |
| ODI |
14 |
15 |
7 |
265 |
5907 |
601 |
0 |
0 |
| CDI |
26 |
1 |
4 |
66 |
3099 |
13518 |
372 |
0 |
| VCDI |
5 |
0 |
0 |
34 |
282 |
6640 |
1282 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-11:
| 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 |
19213 |
5006 |
39 |
38 |
40 |
0 |
0 |
0 |
| OW |
43 |
1509 |
349 |
572 |
77 |
0 |
0 |
0 |
| VODI |
21 |
103 |
132 |
1853 |
897 |
7 |
0 |
0 |
| ODI |
14 |
21 |
0 |
278 |
4359 |
1753 |
0 |
0 |
| CDI |
24 |
7 |
4 |
61 |
795 |
15836 |
55 |
0 |
| VCDI |
2 |
3 |
2 |
41 |
385 |
7692 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19208 |
5100 |
54 |
44 |
44 |
0 |
0 |
0 |
| OW |
48 |
1412 |
301 |
582 |
81 |
0 |
0 |
0 |
| VODI |
17 |
106 |
165 |
1711 |
835 |
10 |
0 |
0 |
| ODI |
13 |
23 |
0 |
402 |
4256 |
2022 |
0 |
0 |
| CDI |
19 |
5 |
4 |
59 |
960 |
15418 |
45 |
0 |
| VCDI |
12 |
3 |
2 |
45 |
377 |
7838 |
10 |
0 |
|
Date: 2024-07-13:
| 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 |
19244 |
5405 |
46 |
75 |
49 |
0 |
0 |
0 |
| OW |
28 |
1519 |
347 |
575 |
114 |
1 |
0 |
0 |
| VODI |
27 |
196 |
183 |
1879 |
1137 |
13 |
0 |
0 |
| ODI |
13 |
35 |
5 |
368 |
4248 |
150 |
0 |
0 |
| CDI |
23 |
45 |
3 |
17 |
3713 |
17858 |
346 |
0 |
| VCDI |
0 |
19 |
3 |
42 |
435 |
3024 |
46 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19242 |
5490 |
75 |
114 |
52 |
0 |
0 |
0 |
| OW |
31 |
1406 |
283 |
540 |
122 |
1 |
0 |
0 |
| VODI |
24 |
216 |
216 |
1699 |
1221 |
16 |
0 |
0 |
| ODI |
9 |
42 |
7 |
537 |
4018 |
270 |
0 |
0 |
| CDI |
24 |
45 |
3 |
28 |
3845 |
17271 |
352 |
0 |
| VCDI |
5 |
20 |
3 |
38 |
438 |
3488 |
40 |
0 |
|
Date: 2024-07-15:
| 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 |
19573 |
6382 |
69 |
90 |
4 |
0 |
0 |
0 |
| OW |
41 |
1142 |
537 |
513 |
48 |
0 |
0 |
0 |
| VODI |
4 |
39 |
12 |
2139 |
589 |
0 |
0 |
0 |
| ODI |
4 |
14 |
0 |
71 |
5703 |
150 |
0 |
0 |
| CDI |
10 |
61 |
4 |
85 |
1391 |
19668 |
215 |
0 |
| VCDI |
0 |
0 |
1 |
25 |
708 |
1182 |
757 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19527 |
5698 |
84 |
115 |
37 |
0 |
0 |
0 |
| OW |
43 |
1476 |
267 |
464 |
115 |
3 |
0 |
0 |
| VODI |
28 |
350 |
261 |
1805 |
1647 |
40 |
0 |
0 |
| ODI |
13 |
35 |
6 |
425 |
3095 |
231 |
0 |
0 |
| CDI |
18 |
60 |
2 |
14 |
2819 |
17702 |
678 |
0 |
| VCDI |
3 |
19 |
3 |
100 |
730 |
3024 |
294 |
0 |
|
Date: 2024-07-17:
| 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 |
20109 |
6101 |
55 |
58 |
7 |
0 |
0 |
0 |
| OW |
45 |
1446 |
298 |
476 |
53 |
0 |
0 |
0 |
| VODI |
3 |
160 |
173 |
2033 |
961 |
6 |
0 |
0 |
| ODI |
3 |
10 |
1 |
307 |
4656 |
104 |
0 |
0 |
| CDI |
10 |
65 |
7 |
107 |
4778 |
15603 |
1202 |
0 |
| VCDI |
0 |
0 |
1 |
40 |
245 |
1904 |
204 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20069 |
5403 |
77 |
95 |
53 |
0 |
0 |
0 |
| OW |
48 |
1608 |
169 |
482 |
108 |
0 |
0 |
0 |
| VODI |
30 |
667 |
266 |
1704 |
1970 |
12 |
0 |
0 |
| ODI |
10 |
21 |
15 |
571 |
2506 |
159 |
0 |
0 |
| CDI |
13 |
61 |
0 |
27 |
5615 |
14523 |
1227 |
0 |
| VCDI |
0 |
22 |
8 |
142 |
448 |
2923 |
179 |
0 |
|
Date: 2024-07-19:
| 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 |
20391 |
6145 |
60 |
11 |
0 |
0 |
0 |
0 |
| OW |
7 |
1471 |
326 |
486 |
45 |
5 |
0 |
0 |
| VODI |
5 |
218 |
210 |
2613 |
1027 |
18 |
0 |
0 |
| ODI |
2 |
6 |
0 |
663 |
3781 |
101 |
0 |
0 |
| CDI |
8 |
83 |
5 |
118 |
5479 |
14913 |
311 |
0 |
| VCDI |
0 |
2 |
1 |
4 |
941 |
1587 |
188 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20323 |
5282 |
66 |
66 |
4 |
0 |
0 |
0 |
| OW |
47 |
1694 |
185 |
543 |
136 |
11 |
0 |
0 |
| VODI |
27 |
799 |
290 |
2165 |
1253 |
66 |
0 |
0 |
| ODI |
3 |
53 |
55 |
963 |
2210 |
125 |
0 |
0 |
| CDI |
13 |
44 |
0 |
71 |
6468 |
14308 |
132 |
0 |
| VCDI |
0 |
53 |
6 |
87 |
1202 |
2114 |
367 |
0 |
|
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