Validation of sea ice concentration - American sector
Bulletin date: 2024-06-13
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-07:
| 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 |
12696 |
3016 |
31 |
119 |
2 |
0 |
0 |
0 |
| OW |
95 |
1698 |
168 |
281 |
86 |
5 |
0 |
0 |
| VODI |
0 |
627 |
174 |
808 |
362 |
38 |
1 |
0 |
| ODI |
0 |
166 |
66 |
572 |
536 |
139 |
28 |
0 |
| CDI |
0 |
114 |
43 |
579 |
1630 |
1765 |
608 |
0 |
| VCDI |
0 |
24 |
37 |
347 |
1206 |
5135 |
18481 |
9548 |
|
...date precedes bulletin
|
Date: 2024-06-09:
| 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 |
13074 |
3197 |
34 |
139 |
1 |
0 |
0 |
0 |
| OW |
51 |
1686 |
158 |
353 |
80 |
1 |
0 |
0 |
| VODI |
0 |
632 |
153 |
673 |
205 |
75 |
13 |
0 |
| ODI |
0 |
266 |
67 |
510 |
369 |
144 |
63 |
0 |
| CDI |
0 |
215 |
85 |
558 |
1720 |
2048 |
1228 |
8 |
| VCDI |
0 |
51 |
48 |
349 |
955 |
4280 |
19692 |
8050 |
|
...date precedes bulletin
|
Date: 2024-06-11:
| 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 |
13125 |
3977 |
78 |
100 |
1 |
0 |
0 |
0 |
| OW |
3 |
1723 |
313 |
498 |
57 |
2 |
0 |
0 |
| VODI |
0 |
314 |
143 |
1081 |
215 |
45 |
5 |
0 |
| ODI |
0 |
146 |
30 |
379 |
927 |
153 |
61 |
0 |
| CDI |
0 |
95 |
60 |
484 |
1653 |
3441 |
790 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
368 |
5938 |
20163 |
4840 |
|
...date precedes bulletin
|
Date: 2024-06-13:
| 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 |
13646 |
3678 |
77 |
102 |
20 |
0 |
0 |
0 |
| OW |
35 |
1597 |
289 |
530 |
70 |
6 |
0 |
0 |
| VODI |
3 |
557 |
174 |
915 |
270 |
56 |
24 |
2 |
| ODI |
0 |
190 |
34 |
411 |
758 |
257 |
79 |
5 |
| CDI |
0 |
177 |
79 |
563 |
1935 |
2831 |
879 |
25 |
| VCDI |
0 |
0 |
0 |
34 |
679 |
4880 |
16959 |
8405 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13649 |
3679 |
90 |
133 |
27 |
0 |
0 |
0 |
| OW |
32 |
1616 |
273 |
514 |
70 |
8 |
0 |
0 |
| VODI |
3 |
560 |
183 |
885 |
272 |
54 |
16 |
2 |
| ODI |
0 |
169 |
31 |
416 |
722 |
268 |
76 |
6 |
| CDI |
0 |
175 |
76 |
562 |
1896 |
2826 |
835 |
23 |
| VCDI |
0 |
0 |
0 |
45 |
745 |
4874 |
17014 |
8406 |
|
Date: 2024-06-15:
| 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 |
13883 |
3563 |
36 |
119 |
20 |
0 |
0 |
0 |
| OW |
63 |
1609 |
238 |
529 |
76 |
7 |
1 |
0 |
| VODI |
24 |
688 |
100 |
749 |
364 |
106 |
20 |
0 |
| ODI |
1 |
225 |
71 |
372 |
764 |
280 |
79 |
4 |
| CDI |
0 |
225 |
54 |
548 |
1775 |
2201 |
887 |
29 |
| VCDI |
0 |
7 |
9 |
109 |
832 |
10095 |
14502 |
5967 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13898 |
3652 |
43 |
135 |
19 |
0 |
0 |
0 |
| OW |
49 |
1580 |
228 |
507 |
86 |
9 |
0 |
0 |
| VODI |
23 |
626 |
115 |
757 |
350 |
95 |
16 |
0 |
| ODI |
0 |
210 |
59 |
356 |
754 |
284 |
79 |
5 |
| CDI |
1 |
244 |
51 |
558 |
1715 |
2261 |
985 |
21 |
| VCDI |
0 |
5 |
12 |
113 |
907 |
10040 |
14409 |
5974 |
|
Date: 2024-06-17:
| 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 |
14212 |
4113 |
57 |
96 |
2 |
0 |
0 |
0 |
| OW |
59 |
1914 |
309 |
334 |
20 |
3 |
1 |
0 |
| VODI |
5 |
283 |
96 |
1175 |
317 |
47 |
14 |
0 |
| ODI |
1 |
59 |
26 |
514 |
1573 |
193 |
28 |
0 |
| CDI |
0 |
21 |
5 |
191 |
1606 |
6057 |
300 |
5 |
| VCDI |
0 |
0 |
0 |
15 |
765 |
10313 |
11209 |
5293 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14207 |
3509 |
32 |
84 |
6 |
0 |
0 |
0 |
| OW |
52 |
1665 |
244 |
484 |
93 |
33 |
1 |
0 |
| VODI |
17 |
643 |
81 |
578 |
384 |
166 |
18 |
0 |
| ODI |
1 |
274 |
66 |
424 |
647 |
201 |
73 |
0 |
| CDI |
0 |
299 |
70 |
629 |
1891 |
2746 |
1567 |
88 |
| VCDI |
0 |
0 |
0 |
126 |
1262 |
13467 |
9893 |
5210 |
|
Date: 2024-06-19:
| 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 |
14923 |
3646 |
29 |
76 |
2 |
0 |
0 |
0 |
| OW |
25 |
1889 |
256 |
312 |
34 |
4 |
0 |
0 |
| VODI |
4 |
517 |
126 |
1003 |
459 |
66 |
5 |
0 |
| ODI |
1 |
151 |
32 |
503 |
1325 |
234 |
26 |
0 |
| CDI |
0 |
51 |
19 |
234 |
1899 |
5862 |
690 |
0 |
| VCDI |
0 |
1 |
1 |
36 |
1497 |
14455 |
8551 |
2287 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14906 |
2997 |
23 |
63 |
3 |
0 |
0 |
0 |
| OW |
42 |
1691 |
187 |
435 |
114 |
1 |
0 |
0 |
| VODI |
4 |
714 |
99 |
482 |
520 |
47 |
10 |
0 |
| ODI |
1 |
399 |
79 |
378 |
607 |
285 |
54 |
0 |
| CDI |
0 |
449 |
72 |
656 |
2307 |
3277 |
1468 |
0 |
| VCDI |
0 |
5 |
3 |
150 |
1665 |
17011 |
7740 |
2287 |
|
Date: 2024-06-21:
| 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 |
15061 |
3738 |
28 |
73 |
6 |
0 |
0 |
0 |
| OW |
12 |
1654 |
245 |
393 |
61 |
10 |
1 |
0 |
| VODI |
5 |
590 |
130 |
905 |
623 |
60 |
5 |
0 |
| ODI |
2 |
223 |
53 |
595 |
1022 |
309 |
35 |
0 |
| CDI |
1 |
62 |
20 |
292 |
2074 |
5398 |
844 |
0 |
| VCDI |
0 |
0 |
4 |
175 |
2019 |
16092 |
6868 |
1543 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15022 |
3063 |
27 |
69 |
9 |
0 |
0 |
0 |
| OW |
47 |
1457 |
160 |
427 |
196 |
6 |
0 |
0 |
| VODI |
7 |
787 |
119 |
481 |
449 |
94 |
0 |
0 |
| ODI |
3 |
448 |
71 |
483 |
547 |
317 |
57 |
0 |
| CDI |
2 |
494 |
96 |
707 |
2485 |
3880 |
1222 |
111 |
| VCDI |
0 |
18 |
7 |
266 |
2119 |
17572 |
6474 |
1432 |
|
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