Validation of sea ice concentration - Asian sector
Bulletin date: 2022-09-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-26:
| 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 |
8240 |
7696 |
9 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
817 |
84 |
186 |
0 |
0 |
0 |
0 |
| VODI |
0 |
355 |
115 |
1951 |
484 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
705 |
4494 |
73 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
4006 |
2179 |
191 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
410 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-28:
| 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 |
8934 |
7046 |
6 |
13 |
0 |
0 |
0 |
0 |
| OW |
0 |
965 |
64 |
133 |
0 |
0 |
0 |
0 |
| VODI |
0 |
448 |
131 |
1885 |
481 |
0 |
0 |
0 |
| ODI |
0 |
3 |
6 |
768 |
4277 |
224 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
3710 |
2473 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
408 |
78 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-30:
| 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 |
9400 |
7448 |
19 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
731 |
114 |
247 |
1 |
0 |
0 |
0 |
| VODI |
0 |
95 |
57 |
1851 |
416 |
0 |
0 |
0 |
| ODI |
0 |
1 |
2 |
317 |
6802 |
438 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1223 |
2514 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
385 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-09-01:
| 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 |
9983 |
6815 |
14 |
21 |
0 |
0 |
0 |
0 |
| OW |
0 |
785 |
80 |
232 |
15 |
0 |
0 |
0 |
| VODI |
0 |
225 |
82 |
1403 |
689 |
48 |
0 |
0 |
| ODI |
0 |
29 |
9 |
370 |
5124 |
1643 |
128 |
0 |
| CDI |
0 |
0 |
0 |
9 |
1022 |
2827 |
30 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
499 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9983 |
6858 |
7 |
11 |
0 |
0 |
0 |
0 |
| OW |
0 |
704 |
95 |
287 |
6 |
0 |
0 |
0 |
| VODI |
0 |
252 |
71 |
1303 |
683 |
62 |
0 |
0 |
| ODI |
0 |
40 |
12 |
425 |
5071 |
1583 |
118 |
0 |
| CDI |
0 |
0 |
0 |
9 |
1090 |
2852 |
40 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
520 |
0 |
0 |
|
Date: 2022-09-03:
| 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 |
9690 |
6903 |
11 |
19 |
0 |
0 |
0 |
0 |
| OW |
0 |
921 |
80 |
147 |
5 |
0 |
0 |
0 |
| VODI |
0 |
294 |
96 |
1667 |
311 |
0 |
0 |
0 |
| ODI |
0 |
21 |
10 |
612 |
5319 |
767 |
0 |
0 |
| CDI |
0 |
0 |
0 |
117 |
1911 |
2676 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
505 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9690 |
6999 |
9 |
9 |
0 |
0 |
0 |
0 |
| OW |
0 |
753 |
78 |
215 |
3 |
0 |
0 |
0 |
| VODI |
0 |
362 |
94 |
1500 |
389 |
0 |
0 |
0 |
| ODI |
0 |
25 |
16 |
690 |
5031 |
805 |
0 |
0 |
| CDI |
0 |
0 |
0 |
148 |
2123 |
2579 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
564 |
0 |
0 |
|
Date: 2022-09-05:
| 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 |
9535 |
7694 |
26 |
28 |
0 |
0 |
0 |
0 |
| OW |
0 |
619 |
139 |
406 |
3 |
0 |
0 |
0 |
| VODI |
0 |
53 |
28 |
1910 |
321 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
275 |
5745 |
520 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1526 |
3119 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
131 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9535 |
7012 |
10 |
22 |
0 |
0 |
0 |
0 |
| OW |
0 |
798 |
70 |
180 |
10 |
0 |
0 |
0 |
| VODI |
0 |
490 |
93 |
1369 |
265 |
0 |
0 |
0 |
| ODI |
0 |
66 |
20 |
852 |
4231 |
721 |
0 |
0 |
| CDI |
0 |
0 |
0 |
196 |
2883 |
2249 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
210 |
800 |
0 |
0 |
|
Date: 2022-09-07:
| 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 |
9339 |
8018 |
33 |
50 |
0 |
0 |
0 |
0 |
| OW |
0 |
672 |
101 |
365 |
12 |
0 |
0 |
0 |
| VODI |
0 |
162 |
65 |
1290 |
403 |
0 |
0 |
0 |
| ODI |
0 |
6 |
1 |
498 |
4163 |
928 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1745 |
3749 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
480 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9339 |
7202 |
13 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
818 |
43 |
174 |
21 |
0 |
0 |
0 |
| VODI |
0 |
692 |
115 |
921 |
243 |
8 |
0 |
0 |
| ODI |
0 |
146 |
29 |
912 |
2855 |
1068 |
0 |
0 |
| CDI |
0 |
0 |
0 |
144 |
2924 |
2858 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
280 |
1223 |
0 |
0 |
|
Date: 2022-09-09:
| 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 |
9305 |
8051 |
22 |
61 |
0 |
0 |
0 |
0 |
| OW |
0 |
855 |
72 |
370 |
2 |
0 |
0 |
0 |
| VODI |
0 |
241 |
72 |
1092 |
398 |
0 |
0 |
0 |
| ODI |
0 |
2 |
3 |
352 |
3565 |
901 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1483 |
4636 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
542 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9305 |
7351 |
25 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
758 |
32 |
184 |
24 |
0 |
0 |
0 |
| VODI |
0 |
909 |
73 |
765 |
265 |
0 |
0 |
0 |
| ODI |
0 |
131 |
39 |
795 |
2542 |
898 |
0 |
0 |
| CDI |
0 |
0 |
0 |
94 |
2283 |
4015 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
359 |
1166 |
0 |
0 |
|
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