Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-15
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-09:
| 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 |
10062 |
4029 |
5 |
2 |
0 |
0 |
0 |
0 |
| OW |
127 |
1336 |
255 |
159 |
3 |
0 |
0 |
0 |
| VODI |
0 |
67 |
222 |
2647 |
576 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
225 |
6386 |
1019 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
521 |
5209 |
245 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-11:
| 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 |
9853 |
4243 |
5 |
6 |
0 |
0 |
0 |
0 |
| OW |
60 |
1556 |
211 |
113 |
1 |
0 |
0 |
0 |
| VODI |
0 |
285 |
299 |
2700 |
597 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
459 |
5982 |
1543 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
424 |
4637 |
122 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-13:
| 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 |
10105 |
4539 |
4 |
12 |
0 |
0 |
0 |
0 |
| OW |
0 |
1511 |
350 |
135 |
0 |
0 |
0 |
0 |
| VODI |
0 |
57 |
211 |
2986 |
400 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
198 |
6382 |
84 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1179 |
4834 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-15:
| 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 |
10724 |
3897 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
1669 |
230 |
75 |
4 |
0 |
0 |
0 |
| VODI |
0 |
218 |
342 |
3071 |
247 |
0 |
0 |
0 |
| ODI |
0 |
1 |
6 |
362 |
6011 |
408 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
1383 |
4363 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10722 |
3964 |
0 |
14 |
0 |
0 |
0 |
0 |
| OW |
2 |
1558 |
215 |
81 |
6 |
0 |
0 |
0 |
| VODI |
0 |
263 |
358 |
3076 |
363 |
0 |
0 |
0 |
| ODI |
0 |
0 |
5 |
348 |
5666 |
452 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
1610 |
4319 |
64 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-17:
| 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 |
10795 |
3773 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
1825 |
176 |
115 |
6 |
0 |
0 |
0 |
| VODI |
0 |
384 |
347 |
2841 |
316 |
0 |
0 |
0 |
| ODI |
0 |
5 |
22 |
430 |
6000 |
504 |
0 |
0 |
| CDI |
0 |
0 |
0 |
25 |
1782 |
3643 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10795 |
3813 |
1 |
8 |
1 |
0 |
0 |
0 |
| OW |
0 |
1750 |
172 |
113 |
5 |
0 |
0 |
0 |
| VODI |
0 |
421 |
357 |
2901 |
393 |
0 |
0 |
0 |
| ODI |
0 |
3 |
15 |
378 |
5745 |
596 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
1960 |
3551 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-19:
| 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 |
10997 |
4429 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1601 |
595 |
214 |
0 |
0 |
0 |
0 |
| VODI |
0 |
1 |
31 |
2931 |
264 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
93 |
7428 |
211 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
342 |
3945 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10997 |
3626 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1907 |
207 |
136 |
0 |
0 |
0 |
0 |
| VODI |
0 |
483 |
394 |
2624 |
430 |
0 |
0 |
0 |
| ODI |
0 |
15 |
24 |
464 |
5781 |
703 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
1823 |
3453 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-21:
| 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 |
11239 |
4221 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1872 |
413 |
167 |
0 |
0 |
0 |
0 |
| VODI |
0 |
43 |
215 |
2730 |
241 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
175 |
7247 |
341 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
657 |
3474 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11239 |
3240 |
6 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2134 |
169 |
145 |
2 |
0 |
0 |
0 |
| VODI |
0 |
729 |
427 |
2396 |
341 |
0 |
0 |
0 |
| ODI |
0 |
33 |
30 |
503 |
6081 |
620 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
1721 |
3195 |
57 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-23:
| 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 |
11508 |
4055 |
4 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2041 |
336 |
147 |
0 |
0 |
0 |
0 |
| VODI |
0 |
87 |
341 |
2507 |
262 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
164 |
6378 |
1131 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
676 |
3458 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11508 |
2923 |
6 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2273 |
163 |
217 |
1 |
0 |
0 |
0 |
| VODI |
0 |
895 |
467 |
2074 |
391 |
5 |
0 |
0 |
| ODI |
0 |
92 |
44 |
461 |
5271 |
1223 |
0 |
0 |
| CDI |
0 |
0 |
1 |
67 |
1653 |
3361 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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