Validation of sea ice concentration - Asian sector
Bulletin date: 2020-09-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-09-11:
| 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 |
20139 |
4675 |
5 |
4 |
0 |
0 |
0 |
0 |
| OW |
27 |
633 |
34 |
42 |
1 |
0 |
0 |
0 |
| VODI |
1 |
129 |
53 |
459 |
54 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
191 |
880 |
3 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
877 |
1415 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
615 |
1568 |
179 |
|
...date precedes bulletin
|
Date: 2020-09-13:
| 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 |
20239 |
4643 |
6 |
6 |
0 |
0 |
0 |
0 |
| OW |
17 |
704 |
28 |
48 |
2 |
0 |
0 |
0 |
| VODI |
1 |
221 |
58 |
371 |
68 |
0 |
0 |
0 |
| ODI |
0 |
1 |
1 |
261 |
758 |
0 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1146 |
1115 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
742 |
1327 |
228 |
|
...date precedes bulletin
|
Date: 2020-09-15:
| 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 |
21032 |
4838 |
15 |
18 |
0 |
0 |
0 |
0 |
| OW |
11 |
257 |
68 |
162 |
3 |
0 |
0 |
0 |
| VODI |
1 |
29 |
14 |
567 |
190 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
34 |
1520 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
283 |
1407 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
217 |
1203 |
13 |
|
...date precedes bulletin
|
Date: 2020-09-17:
| 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 |
20602 |
5130 |
21 |
24 |
0 |
0 |
0 |
0 |
| OW |
9 |
338 |
69 |
241 |
3 |
0 |
0 |
0 |
| VODI |
0 |
25 |
9 |
448 |
317 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
12 |
1126 |
384 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
154 |
1442 |
114 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
487 |
1127 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20606 |
5181 |
29 |
49 |
0 |
0 |
0 |
0 |
| OW |
5 |
255 |
47 |
235 |
3 |
0 |
0 |
0 |
| VODI |
0 |
57 |
23 |
411 |
337 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
1072 |
280 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
188 |
1440 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
593 |
1199 |
0 |
|
Date: 2020-09-19:
| 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 |
20661 |
4871 |
16 |
64 |
6 |
0 |
0 |
0 |
| OW |
8 |
416 |
48 |
183 |
66 |
0 |
0 |
0 |
| VODI |
0 |
84 |
29 |
376 |
287 |
42 |
0 |
0 |
| ODI |
0 |
3 |
0 |
36 |
798 |
470 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
154 |
1348 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
505 |
1457 |
30 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20663 |
4993 |
26 |
82 |
37 |
0 |
0 |
0 |
| OW |
6 |
264 |
34 |
168 |
67 |
1 |
0 |
0 |
| VODI |
0 |
111 |
31 |
334 |
271 |
53 |
0 |
0 |
| ODI |
0 |
6 |
2 |
75 |
759 |
371 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
177 |
1323 |
55 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
617 |
1526 |
30 |
|
Date: 2020-09-21:
| 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 |
19996 |
5611 |
34 |
64 |
0 |
0 |
0 |
0 |
| OW |
8 |
209 |
36 |
169 |
5 |
0 |
0 |
0 |
| VODI |
0 |
41 |
24 |
299 |
142 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
20 |
684 |
28 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
101 |
1150 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
183 |
2288 |
909 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19999 |
5392 |
31 |
112 |
34 |
0 |
0 |
0 |
| OW |
5 |
341 |
30 |
150 |
64 |
3 |
0 |
0 |
| VODI |
0 |
115 |
31 |
233 |
226 |
142 |
0 |
0 |
| ODI |
0 |
13 |
2 |
57 |
542 |
426 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
66 |
746 |
625 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
44 |
1742 |
909 |
|
Date: 2020-09-23:
| 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 |
20222 |
5176 |
33 |
88 |
3 |
0 |
0 |
0 |
| OW |
1 |
241 |
24 |
134 |
133 |
0 |
0 |
0 |
| VODI |
0 |
113 |
30 |
111 |
197 |
75 |
0 |
0 |
| ODI |
0 |
3 |
7 |
91 |
237 |
220 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
137 |
709 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
457 |
2350 |
1044 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20222 |
4956 |
27 |
72 |
1 |
0 |
0 |
0 |
| OW |
1 |
388 |
26 |
137 |
136 |
0 |
0 |
0 |
| VODI |
0 |
169 |
35 |
162 |
266 |
162 |
0 |
0 |
| ODI |
0 |
20 |
6 |
47 |
260 |
513 |
18 |
0 |
| CDI |
0 |
0 |
0 |
6 |
44 |
697 |
600 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
89 |
1978 |
1044 |
|
Date: 2020-09-25:
| 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 |
20889 |
4542 |
7 |
5 |
0 |
0 |
0 |
0 |
| OW |
1 |
593 |
28 |
179 |
3 |
0 |
0 |
0 |
| VODI |
0 |
255 |
29 |
161 |
157 |
0 |
0 |
0 |
| ODI |
0 |
38 |
21 |
149 |
289 |
39 |
0 |
0 |
| CDI |
0 |
0 |
0 |
15 |
405 |
585 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
2028 |
1634 |
3 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
20889 |
4426 |
11 |
11 |
0 |
0 |
0 |
0 |
| OW |
1 |
600 |
29 |
159 |
7 |
0 |
0 |
0 |
| VODI |
0 |
341 |
26 |
222 |
250 |
0 |
0 |
0 |
| ODI |
0 |
59 |
17 |
77 |
401 |
197 |
0 |
0 |
| CDI |
0 |
2 |
2 |
40 |
201 |
787 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1668 |
1532 |
3 |
|
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