Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-26:
| 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 |
4028 |
6309 |
31 |
2 |
0 |
0 |
0 |
0 |
| OW |
348 |
1964 |
427 |
241 |
11 |
0 |
0 |
0 |
| VODI |
6 |
393 |
440 |
1633 |
1003 |
17 |
0 |
0 |
| ODI |
6 |
8 |
25 |
683 |
4860 |
1650 |
0 |
0 |
| CDI |
0 |
0 |
1 |
6 |
1317 |
6481 |
192 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-28:
| 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 |
5159 |
5369 |
8 |
2 |
1 |
0 |
0 |
0 |
| OW |
313 |
2149 |
384 |
277 |
8 |
0 |
0 |
0 |
| VODI |
7 |
422 |
407 |
1444 |
1091 |
36 |
0 |
0 |
| ODI |
2 |
7 |
30 |
853 |
4416 |
2193 |
17 |
0 |
| CDI |
0 |
2 |
3 |
5 |
1188 |
5648 |
641 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-30:
| 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 |
5693 |
6171 |
44 |
13 |
0 |
0 |
0 |
0 |
| OW |
59 |
1627 |
355 |
162 |
6 |
0 |
0 |
0 |
| VODI |
0 |
155 |
299 |
1866 |
509 |
5 |
0 |
0 |
| ODI |
0 |
2 |
5 |
356 |
4630 |
1080 |
0 |
0 |
| CDI |
0 |
0 |
1 |
4 |
1552 |
6932 |
165 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
365 |
21 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-01:
| 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 |
7795 |
4279 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
99 |
1609 |
187 |
70 |
3 |
0 |
0 |
0 |
| VODI |
0 |
391 |
469 |
1750 |
616 |
3 |
0 |
0 |
| ODI |
0 |
1 |
6 |
553 |
4513 |
770 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
2192 |
6514 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
201 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7786 |
4425 |
6 |
3 |
0 |
0 |
0 |
0 |
| OW |
108 |
1471 |
197 |
78 |
3 |
0 |
0 |
0 |
| VODI |
0 |
382 |
456 |
1709 |
607 |
6 |
0 |
0 |
| ODI |
0 |
2 |
5 |
580 |
4545 |
804 |
0 |
0 |
| CDI |
0 |
0 |
1 |
5 |
2174 |
6510 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
168 |
0 |
0 |
|
Date: 2024-08-03:
| 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 |
7536 |
4604 |
10 |
5 |
0 |
0 |
0 |
0 |
| OW |
38 |
1612 |
193 |
74 |
5 |
0 |
0 |
0 |
| VODI |
0 |
491 |
423 |
1879 |
777 |
21 |
0 |
0 |
| ODI |
0 |
0 |
3 |
720 |
3995 |
1098 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1766 |
6799 |
29 |
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 |
7529 |
4670 |
10 |
5 |
0 |
0 |
0 |
0 |
| OW |
44 |
1558 |
204 |
96 |
6 |
0 |
0 |
0 |
| VODI |
1 |
478 |
409 |
1892 |
846 |
33 |
0 |
0 |
| ODI |
0 |
1 |
6 |
675 |
3958 |
1273 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
1733 |
6612 |
29 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-05:
| 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 |
7734 |
5111 |
31 |
11 |
2 |
0 |
0 |
0 |
| OW |
1 |
1501 |
298 |
100 |
1 |
0 |
0 |
0 |
| VODI |
0 |
124 |
300 |
2088 |
522 |
6 |
0 |
0 |
| ODI |
0 |
0 |
1 |
617 |
5394 |
1565 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
761 |
5775 |
135 |
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 |
7700 |
4438 |
12 |
6 |
0 |
0 |
0 |
0 |
| OW |
35 |
1679 |
176 |
88 |
8 |
0 |
0 |
0 |
| VODI |
0 |
619 |
432 |
1880 |
881 |
49 |
0 |
0 |
| ODI |
0 |
0 |
10 |
819 |
3666 |
1393 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
2125 |
5904 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-07:
| 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 |
8058 |
4983 |
23 |
5 |
1 |
0 |
0 |
0 |
| OW |
0 |
1385 |
277 |
142 |
6 |
0 |
0 |
0 |
| VODI |
0 |
138 |
303 |
2136 |
636 |
55 |
0 |
0 |
| ODI |
0 |
0 |
2 |
516 |
4452 |
2638 |
7 |
0 |
| CDI |
0 |
0 |
0 |
3 |
577 |
4822 |
917 |
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 |
8028 |
4160 |
11 |
3 |
0 |
0 |
0 |
0 |
| OW |
30 |
1708 |
201 |
125 |
8 |
0 |
0 |
0 |
| VODI |
0 |
635 |
366 |
1917 |
908 |
206 |
0 |
0 |
| ODI |
0 |
3 |
26 |
745 |
3030 |
2327 |
41 |
0 |
| CDI |
0 |
0 |
1 |
12 |
1726 |
4982 |
883 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8189 |
4008 |
5 |
3 |
0 |
0 |
0 |
0 |
| OW |
37 |
1814 |
135 |
140 |
11 |
0 |
0 |
0 |
| VODI |
0 |
864 |
475 |
1888 |
1023 |
131 |
0 |
0 |
| ODI |
0 |
18 |
49 |
639 |
3143 |
2096 |
65 |
0 |
| CDI |
0 |
0 |
2 |
8 |
2221 |
4657 |
461 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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