Validation of sea ice concentration - Asian sector
Bulletin date: 2021-07-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-07-23:
| 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 |
5364 |
8187 |
57 |
203 |
0 |
0 |
0 |
0 |
| OW |
0 |
704 |
104 |
775 |
33 |
0 |
0 |
0 |
| VODI |
0 |
89 |
43 |
1007 |
1033 |
5 |
0 |
0 |
| ODI |
0 |
4 |
4 |
153 |
2886 |
1404 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
713 |
6917 |
866 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1489 |
39 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-25:
| 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 |
6308 |
7486 |
59 |
272 |
0 |
0 |
0 |
0 |
| OW |
2 |
802 |
83 |
760 |
78 |
1 |
0 |
0 |
| VODI |
0 |
197 |
63 |
842 |
1278 |
18 |
0 |
0 |
| ODI |
0 |
17 |
8 |
258 |
2623 |
1910 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
686 |
4968 |
2177 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
765 |
395 |
0 |
|
...date precedes bulletin
|
Date: 2021-07-27:
| 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 |
6608 |
7986 |
66 |
245 |
0 |
0 |
0 |
0 |
| OW |
1 |
482 |
126 |
673 |
21 |
3 |
0 |
0 |
| VODI |
0 |
24 |
27 |
1418 |
655 |
20 |
0 |
0 |
| ODI |
0 |
0 |
2 |
142 |
3145 |
567 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
310 |
4937 |
2125 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
706 |
1774 |
13 |
|
...date precedes bulletin
|
Date: 2021-07-29:
| 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 |
6927 |
7968 |
75 |
245 |
1 |
0 |
0 |
0 |
| OW |
1 |
533 |
127 |
758 |
24 |
6 |
0 |
0 |
| VODI |
0 |
30 |
28 |
1680 |
807 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
101 |
2780 |
907 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
152 |
4207 |
2501 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
255 |
1914 |
27 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6927 |
8076 |
93 |
396 |
2 |
0 |
0 |
0 |
| OW |
1 |
408 |
103 |
648 |
52 |
5 |
0 |
0 |
| VODI |
0 |
46 |
33 |
1596 |
762 |
31 |
0 |
0 |
| ODI |
0 |
1 |
1 |
144 |
2660 |
698 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
288 |
4425 |
2570 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
244 |
1845 |
27 |
|
Date: 2021-07-31:
| 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 |
7079 |
8000 |
76 |
257 |
4 |
0 |
0 |
0 |
| OW |
1 |
692 |
119 |
712 |
84 |
6 |
0 |
0 |
| VODI |
0 |
64 |
36 |
1429 |
1411 |
39 |
0 |
0 |
| ODI |
0 |
0 |
1 |
144 |
2580 |
1016 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
149 |
3450 |
2490 |
232 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
515 |
1394 |
102 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7079 |
8131 |
91 |
449 |
38 |
0 |
0 |
0 |
| OW |
1 |
536 |
91 |
621 |
143 |
3 |
0 |
0 |
| VODI |
0 |
88 |
49 |
1297 |
1203 |
92 |
0 |
0 |
| ODI |
0 |
1 |
1 |
175 |
2450 |
784 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
394 |
3619 |
2581 |
299 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
528 |
1303 |
35 |
|
Date: 2021-08-02:
| 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 |
7653 |
8257 |
77 |
277 |
0 |
0 |
0 |
0 |
| OW |
1 |
472 |
135 |
742 |
9 |
0 |
0 |
0 |
| VODI |
0 |
24 |
13 |
2121 |
845 |
5 |
0 |
0 |
| ODI |
0 |
7 |
2 |
101 |
2708 |
275 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
81 |
3882 |
1251 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
360 |
2414 |
370 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7653 |
7898 |
85 |
563 |
27 |
0 |
0 |
0 |
| OW |
1 |
609 |
74 |
697 |
226 |
5 |
0 |
0 |
| VODI |
0 |
251 |
59 |
1544 |
1144 |
129 |
0 |
0 |
| ODI |
0 |
2 |
9 |
421 |
1745 |
787 |
51 |
0 |
| CDI |
0 |
0 |
0 |
16 |
501 |
3119 |
2941 |
166 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
482 |
673 |
204 |
|
Date: 2021-08-04:
| 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 |
7972 |
8286 |
94 |
418 |
0 |
0 |
0 |
0 |
| OW |
1 |
532 |
106 |
846 |
61 |
0 |
0 |
0 |
| VODI |
0 |
50 |
17 |
2004 |
1161 |
6 |
0 |
0 |
| ODI |
0 |
0 |
2 |
65 |
2005 |
491 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
243 |
4827 |
401 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
602 |
1887 |
5 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7972 |
7886 |
98 |
835 |
56 |
0 |
0 |
0 |
| OW |
1 |
597 |
54 |
837 |
267 |
0 |
0 |
0 |
| VODI |
0 |
363 |
46 |
1168 |
1271 |
120 |
0 |
0 |
| ODI |
0 |
22 |
21 |
486 |
1341 |
946 |
22 |
0 |
| CDI |
0 |
0 |
0 |
7 |
534 |
4524 |
2166 |
5 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
336 |
100 |
0 |
|
Date: 2021-08-06:
| 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 |
8082 |
8526 |
102 |
437 |
15 |
0 |
0 |
0 |
| OW |
0 |
738 |
115 |
979 |
79 |
0 |
0 |
0 |
| VODI |
0 |
100 |
48 |
2009 |
1033 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
115 |
1407 |
791 |
37 |
0 |
| CDI |
0 |
0 |
0 |
0 |
322 |
3326 |
1879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1656 |
271 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8081 |
7895 |
104 |
857 |
98 |
0 |
0 |
0 |
| OW |
1 |
735 |
62 |
773 |
185 |
0 |
0 |
0 |
| VODI |
0 |
585 |
63 |
1298 |
998 |
140 |
0 |
0 |
| ODI |
0 |
149 |
33 |
568 |
883 |
1065 |
258 |
0 |
| CDI |
0 |
0 |
3 |
44 |
692 |
4391 |
1826 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
192 |
103 |
0 |
|
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