Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-09:
| 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 |
8226 |
5008 |
12 |
5 |
1 |
0 |
0 |
0 |
| OW |
0 |
1441 |
223 |
106 |
5 |
0 |
0 |
0 |
| VODI |
0 |
254 |
426 |
2103 |
652 |
32 |
0 |
0 |
| ODI |
0 |
1 |
5 |
463 |
5077 |
2065 |
5 |
0 |
| CDI |
0 |
0 |
0 |
1 |
663 |
4787 |
521 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-11:
| 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 |
9018 |
4213 |
3 |
4 |
2 |
0 |
0 |
0 |
| OW |
19 |
1550 |
196 |
94 |
4 |
0 |
0 |
0 |
| VODI |
0 |
551 |
514 |
2109 |
619 |
35 |
0 |
0 |
| ODI |
0 |
4 |
8 |
611 |
4872 |
2476 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
449 |
4436 |
293 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-13:
| 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 |
9267 |
4461 |
3 |
2 |
1 |
0 |
0 |
0 |
| OW |
0 |
1601 |
238 |
118 |
0 |
0 |
0 |
0 |
| VODI |
0 |
273 |
449 |
2278 |
606 |
13 |
0 |
0 |
| ODI |
0 |
4 |
8 |
655 |
5370 |
618 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
916 |
4987 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
12 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-15:
| 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 |
9802 |
3900 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
1662 |
181 |
90 |
0 |
0 |
0 |
0 |
| VODI |
0 |
497 |
525 |
2466 |
349 |
6 |
0 |
0 |
| ODI |
0 |
33 |
21 |
681 |
5067 |
980 |
0 |
0 |
| CDI |
0 |
1 |
4 |
25 |
1328 |
4238 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9801 |
3958 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
2 |
1574 |
168 |
85 |
0 |
0 |
0 |
0 |
| VODI |
0 |
532 |
529 |
2493 |
459 |
8 |
0 |
0 |
| ODI |
0 |
29 |
25 |
660 |
4783 |
970 |
0 |
0 |
| CDI |
0 |
0 |
3 |
24 |
1502 |
4246 |
224 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-17:
| 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 |
9898 |
3750 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1732 |
191 |
155 |
0 |
0 |
0 |
0 |
| VODI |
0 |
640 |
445 |
2332 |
419 |
16 |
0 |
0 |
| ODI |
0 |
61 |
44 |
788 |
5074 |
987 |
0 |
0 |
| CDI |
0 |
7 |
8 |
25 |
1635 |
3699 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9898 |
3789 |
5 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1657 |
189 |
151 |
0 |
0 |
0 |
0 |
| VODI |
0 |
687 |
445 |
2390 |
499 |
16 |
0 |
0 |
| ODI |
0 |
53 |
47 |
720 |
4866 |
1042 |
0 |
0 |
| CDI |
0 |
4 |
6 |
39 |
1763 |
3644 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-19:
| 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 |
10115 |
4369 |
7 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1701 |
415 |
252 |
0 |
0 |
0 |
0 |
| VODI |
0 |
174 |
365 |
2232 |
419 |
7 |
0 |
0 |
| ODI |
0 |
5 |
5 |
592 |
6276 |
846 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
329 |
3918 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10115 |
3585 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1839 |
215 |
137 |
11 |
0 |
0 |
0 |
| VODI |
0 |
753 |
531 |
2099 |
498 |
16 |
0 |
0 |
| ODI |
0 |
66 |
37 |
794 |
4940 |
1121 |
19 |
0 |
| CDI |
0 |
6 |
5 |
49 |
1575 |
3634 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-21:
| 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 |
10180 |
4340 |
8 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1766 |
422 |
220 |
4 |
0 |
0 |
0 |
| VODI |
0 |
249 |
424 |
2127 |
384 |
17 |
0 |
0 |
| ODI |
0 |
2 |
7 |
763 |
6078 |
903 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
629 |
3445 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10180 |
3381 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2005 |
228 |
145 |
23 |
0 |
0 |
0 |
| VODI |
0 |
877 |
566 |
1996 |
391 |
31 |
0 |
0 |
| ODI |
0 |
92 |
55 |
909 |
5113 |
1089 |
0 |
0 |
| CDI |
0 |
2 |
10 |
68 |
1568 |
3245 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-23:
| 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 |
10427 |
4191 |
9 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1928 |
381 |
170 |
2 |
0 |
0 |
0 |
| VODI |
0 |
432 |
464 |
1860 |
404 |
11 |
0 |
0 |
| ODI |
0 |
7 |
15 |
647 |
5546 |
1449 |
4 |
0 |
| CDI |
0 |
0 |
0 |
11 |
793 |
3328 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10427 |
3093 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2133 |
268 |
190 |
10 |
0 |
0 |
0 |
| VODI |
0 |
1128 |
532 |
1660 |
457 |
18 |
0 |
0 |
| ODI |
0 |
189 |
54 |
735 |
4535 |
1570 |
0 |
0 |
| CDI |
0 |
15 |
14 |
103 |
1743 |
3200 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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