Validation of sea ice concentration - Asian sector
Bulletin date: 2021-08-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-30:
| 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 |
7077 |
7921 |
70 |
269 |
2 |
0 |
0 |
0 |
| OW |
1 |
622 |
120 |
718 |
60 |
7 |
0 |
0 |
| VODI |
0 |
68 |
39 |
1405 |
1160 |
84 |
7 |
0 |
| ODI |
0 |
5 |
2 |
232 |
2478 |
1031 |
53 |
0 |
| CDI |
0 |
0 |
0 |
0 |
274 |
3997 |
2362 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
483 |
1534 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-01:
| 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 |
7403 |
7774 |
65 |
309 |
0 |
0 |
0 |
0 |
| OW |
1 |
692 |
102 |
841 |
53 |
1 |
0 |
0 |
| VODI |
0 |
94 |
53 |
1726 |
1363 |
26 |
0 |
0 |
| ODI |
0 |
0 |
0 |
202 |
2362 |
1049 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
130 |
2852 |
2888 |
117 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
347 |
1627 |
2 |
|
...date precedes bulletin
|
Date: 2021-08-03:
| 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 |
7862 |
8328 |
94 |
351 |
0 |
0 |
0 |
0 |
| OW |
1 |
456 |
114 |
797 |
62 |
0 |
0 |
0 |
| VODI |
0 |
36 |
17 |
1786 |
1288 |
9 |
1 |
0 |
| ODI |
0 |
1 |
3 |
77 |
2265 |
442 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
286 |
3950 |
977 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
374 |
2466 |
27 |
|
...date precedes bulletin
|
Date: 2021-08-05:
| 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 |
7966 |
8438 |
97 |
422 |
4 |
0 |
0 |
0 |
| OW |
0 |
603 |
113 |
930 |
63 |
0 |
0 |
0 |
| VODI |
0 |
35 |
30 |
2134 |
1072 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
1685 |
618 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
347 |
3788 |
1492 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
915 |
1225 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7966 |
8506 |
105 |
563 |
21 |
0 |
0 |
0 |
| OW |
0 |
518 |
105 |
928 |
116 |
0 |
0 |
0 |
| VODI |
0 |
52 |
30 |
1958 |
1007 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
140 |
1738 |
540 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
289 |
3760 |
1450 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1021 |
1267 |
0 |
|
Date: 2021-08-07:
| 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 |
8167 |
8695 |
96 |
454 |
12 |
0 |
0 |
0 |
| OW |
0 |
741 |
104 |
1122 |
152 |
0 |
0 |
0 |
| VODI |
0 |
141 |
54 |
1645 |
1198 |
31 |
0 |
0 |
| ODI |
0 |
0 |
0 |
136 |
1190 |
910 |
30 |
0 |
| CDI |
0 |
0 |
0 |
0 |
708 |
3041 |
1700 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
1671 |
41 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8167 |
8701 |
109 |
647 |
76 |
0 |
0 |
0 |
| OW |
0 |
700 |
78 |
945 |
243 |
1 |
0 |
0 |
| VODI |
0 |
176 |
65 |
1590 |
954 |
67 |
0 |
0 |
| ODI |
0 |
0 |
2 |
175 |
1317 |
784 |
20 |
0 |
| CDI |
0 |
0 |
0 |
0 |
676 |
3115 |
1674 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
1686 |
77 |
0 |
|
Date: 2021-08-09:
| 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 |
7844 |
9796 |
77 |
311 |
4 |
0 |
0 |
0 |
| OW |
0 |
571 |
129 |
834 |
28 |
0 |
0 |
0 |
| VODI |
0 |
90 |
48 |
1986 |
435 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
76 |
2219 |
82 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
310 |
5120 |
855 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
654 |
609 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7844 |
9508 |
110 |
618 |
89 |
0 |
0 |
0 |
| OW |
0 |
770 |
86 |
1026 |
276 |
3 |
0 |
0 |
| VODI |
0 |
180 |
54 |
1412 |
990 |
35 |
0 |
0 |
| ODI |
0 |
0 |
5 |
151 |
1095 |
842 |
4 |
0 |
| CDI |
0 |
0 |
0 |
0 |
543 |
3899 |
1065 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1077 |
397 |
0 |
|
Date: 2021-08-11:
| 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 |
8889 |
9027 |
107 |
374 |
48 |
0 |
0 |
0 |
| OW |
0 |
505 |
94 |
1067 |
128 |
0 |
0 |
0 |
| VODI |
0 |
42 |
31 |
1391 |
842 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
35 |
1558 |
537 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
95 |
4571 |
1953 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
259 |
517 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8889 |
8658 |
96 |
603 |
270 |
3 |
0 |
0 |
| OW |
0 |
748 |
94 |
1039 |
331 |
18 |
0 |
0 |
| VODI |
0 |
168 |
38 |
1107 |
1040 |
102 |
0 |
0 |
| ODI |
0 |
0 |
4 |
118 |
890 |
947 |
18 |
0 |
| CDI |
0 |
0 |
0 |
0 |
140 |
3675 |
1861 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
634 |
591 |
0 |
|
Date: 2021-08-13:
| 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 |
10180 |
8306 |
81 |
216 |
15 |
0 |
0 |
0 |
| OW |
65 |
584 |
104 |
1040 |
110 |
0 |
0 |
0 |
| VODI |
0 |
87 |
37 |
1131 |
853 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
66 |
1312 |
707 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
99 |
4373 |
2125 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
272 |
312 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10047 |
7830 |
103 |
656 |
271 |
5 |
0 |
0 |
| OW |
171 |
848 |
72 |
769 |
250 |
35 |
0 |
0 |
| VODI |
27 |
283 |
42 |
924 |
920 |
107 |
0 |
0 |
| ODI |
0 |
16 |
5 |
104 |
861 |
1019 |
22 |
0 |
| CDI |
0 |
0 |
0 |
0 |
87 |
3784 |
1923 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
409 |
492 |
0 |
|
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