Validation of sea ice concentration - Asian sector
Bulletin date: 2020-08-20
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-08-14:
| 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 |
13880 |
6392 |
17 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
597 |
70 |
207 |
8 |
0 |
0 |
0 |
| VODI |
0 |
121 |
32 |
882 |
548 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
51 |
1853 |
1309 |
209 |
0 |
| CDI |
0 |
0 |
0 |
0 |
56 |
1586 |
3509 |
164 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
39 |
504 |
31 |
|
...date precedes bulletin
|
Date: 2020-08-16:
| 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 |
14284 |
6242 |
20 |
32 |
0 |
0 |
0 |
0 |
| OW |
0 |
626 |
55 |
213 |
19 |
0 |
0 |
0 |
| VODI |
0 |
192 |
34 |
861 |
525 |
23 |
0 |
0 |
| ODI |
0 |
3 |
3 |
111 |
1825 |
1241 |
415 |
6 |
| CDI |
0 |
0 |
0 |
0 |
81 |
1217 |
2499 |
1186 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
4 |
300 |
65 |
|
...date precedes bulletin
|
Date: 2020-08-18:
| 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 |
14578 |
6436 |
23 |
56 |
0 |
0 |
0 |
0 |
| OW |
0 |
526 |
51 |
218 |
14 |
0 |
0 |
0 |
| VODI |
0 |
89 |
24 |
1037 |
206 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
67 |
1776 |
284 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
167 |
1998 |
594 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
521 |
2491 |
926 |
|
...date precedes bulletin
|
Date: 2020-08-20:
| 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 |
14614 |
6480 |
33 |
67 |
6 |
0 |
0 |
0 |
| OW |
0 |
624 |
34 |
191 |
33 |
0 |
0 |
0 |
| VODI |
0 |
131 |
38 |
905 |
248 |
17 |
0 |
0 |
| ODI |
0 |
0 |
3 |
101 |
1740 |
315 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
170 |
1925 |
1009 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
525 |
2193 |
670 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14614 |
6612 |
36 |
111 |
10 |
0 |
0 |
0 |
| OW |
0 |
461 |
37 |
229 |
34 |
0 |
0 |
0 |
| VODI |
0 |
160 |
30 |
787 |
377 |
11 |
0 |
0 |
| ODI |
0 |
2 |
5 |
135 |
1470 |
274 |
51 |
0 |
| CDI |
0 |
0 |
0 |
2 |
306 |
1798 |
804 |
48 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
699 |
2357 |
622 |
|
Date: 2020-08-22:
| 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 |
15063 |
6113 |
25 |
59 |
8 |
0 |
0 |
0 |
| OW |
0 |
729 |
29 |
162 |
46 |
0 |
0 |
0 |
| VODI |
0 |
148 |
40 |
870 |
284 |
22 |
0 |
0 |
| ODI |
0 |
8 |
5 |
142 |
1743 |
276 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
238 |
2344 |
840 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
711 |
2177 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15063 |
6344 |
26 |
78 |
11 |
0 |
0 |
0 |
| OW |
0 |
454 |
36 |
202 |
41 |
1 |
0 |
0 |
| VODI |
0 |
184 |
32 |
800 |
400 |
25 |
0 |
0 |
| ODI |
0 |
16 |
5 |
151 |
1492 |
268 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
375 |
2289 |
613 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
770 |
2404 |
0 |
|
Date: 2020-08-24:
| 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 |
15469 |
6556 |
28 |
69 |
0 |
0 |
0 |
0 |
| OW |
0 |
440 |
37 |
247 |
16 |
0 |
0 |
0 |
| VODI |
0 |
65 |
45 |
875 |
248 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
36 |
2221 |
193 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
28 |
3285 |
198 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
654 |
1372 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15469 |
6138 |
22 |
77 |
5 |
0 |
0 |
0 |
| OW |
0 |
577 |
29 |
122 |
42 |
0 |
0 |
0 |
| VODI |
0 |
333 |
53 |
795 |
442 |
10 |
0 |
0 |
| ODI |
0 |
13 |
6 |
231 |
1479 |
129 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
545 |
2479 |
332 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1514 |
1238 |
0 |
|
Date: 2020-08-26:
| 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 |
15848 |
6645 |
35 |
112 |
4 |
0 |
0 |
0 |
| OW |
0 |
402 |
46 |
299 |
33 |
0 |
0 |
0 |
| VODI |
0 |
31 |
21 |
812 |
408 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
45 |
2009 |
257 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
257 |
3380 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
942 |
448 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15848 |
6014 |
19 |
62 |
3 |
0 |
0 |
0 |
| OW |
0 |
670 |
29 |
133 |
39 |
0 |
0 |
0 |
| VODI |
0 |
380 |
50 |
758 |
473 |
35 |
0 |
0 |
| ODI |
0 |
14 |
4 |
311 |
1421 |
161 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
775 |
2546 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1840 |
469 |
0 |
|
Date: 2020-08-28:
| 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 |
16147 |
6700 |
44 |
128 |
18 |
0 |
0 |
0 |
| OW |
0 |
341 |
49 |
406 |
76 |
15 |
0 |
0 |
| VODI |
0 |
48 |
14 |
573 |
465 |
264 |
3 |
0 |
| ODI |
0 |
0 |
0 |
28 |
1158 |
959 |
144 |
0 |
| CDI |
0 |
0 |
0 |
0 |
492 |
2617 |
415 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
901 |
77 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16147 |
6039 |
24 |
75 |
9 |
0 |
0 |
0 |
| OW |
0 |
629 |
27 |
180 |
55 |
33 |
0 |
0 |
| VODI |
0 |
375 |
45 |
547 |
282 |
414 |
87 |
0 |
| ODI |
0 |
46 |
11 |
330 |
798 |
564 |
63 |
0 |
| CDI |
0 |
0 |
0 |
3 |
1065 |
1876 |
390 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1869 |
99 |
0 |
|
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