Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-01
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-26:
| 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 |
5192 |
5690 |
3 |
13 |
0 |
0 |
0 |
0 |
| OW |
206 |
2425 |
369 |
239 |
1 |
0 |
0 |
0 |
| VODI |
21 |
294 |
280 |
2075 |
998 |
0 |
0 |
0 |
| ODI |
5 |
11 |
0 |
566 |
5460 |
1238 |
0 |
0 |
| CDI |
1 |
2 |
0 |
8 |
927 |
7028 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-28:
| 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 |
5702 |
5383 |
8 |
10 |
1 |
0 |
0 |
0 |
| OW |
616 |
2165 |
309 |
321 |
3 |
0 |
0 |
0 |
| VODI |
74 |
243 |
256 |
1905 |
1044 |
0 |
0 |
0 |
| ODI |
10 |
2 |
0 |
703 |
5322 |
1526 |
0 |
0 |
| CDI |
1 |
0 |
0 |
7 |
910 |
6255 |
320 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-30:
| 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 |
7575 |
5020 |
8 |
11 |
0 |
0 |
0 |
0 |
| OW |
361 |
1469 |
386 |
187 |
2 |
0 |
0 |
0 |
| VODI |
42 |
18 |
99 |
2439 |
341 |
0 |
0 |
0 |
| ODI |
1 |
0 |
0 |
83 |
5555 |
451 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1164 |
7471 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
391 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-01:
| 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 |
8758 |
4041 |
2 |
10 |
0 |
0 |
0 |
0 |
| OW |
280 |
1509 |
223 |
129 |
0 |
0 |
0 |
0 |
| VODI |
31 |
197 |
295 |
2232 |
566 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
227 |
5316 |
312 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2482 |
6280 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
206 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8801 |
4201 |
4 |
10 |
0 |
0 |
0 |
0 |
| OW |
244 |
1335 |
232 |
161 |
0 |
0 |
0 |
0 |
| VODI |
24 |
211 |
283 |
2172 |
554 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
253 |
5400 |
297 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
2410 |
6333 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
168 |
0 |
0 |
|
Date: 2024-08-03:
| 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 |
9253 |
3671 |
2 |
4 |
0 |
0 |
0 |
0 |
| OW |
316 |
1440 |
215 |
103 |
0 |
0 |
0 |
0 |
| VODI |
67 |
231 |
289 |
2315 |
755 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
345 |
5061 |
424 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1808 |
6797 |
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 |
9263 |
3760 |
0 |
5 |
0 |
0 |
0 |
0 |
| OW |
293 |
1352 |
233 |
145 |
0 |
0 |
0 |
0 |
| VODI |
80 |
230 |
272 |
2273 |
863 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
343 |
4990 |
596 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1771 |
6625 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-05:
| 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 |
9446 |
4254 |
9 |
17 |
0 |
0 |
0 |
0 |
| OW |
172 |
1218 |
440 |
177 |
2 |
0 |
0 |
0 |
| VODI |
5 |
0 |
19 |
2716 |
347 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
121 |
7158 |
319 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
678 |
5998 |
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 |
9357 |
3639 |
1 |
5 |
0 |
0 |
0 |
0 |
| OW |
229 |
1508 |
185 |
160 |
2 |
0 |
0 |
0 |
| VODI |
37 |
325 |
281 |
2403 |
856 |
2 |
0 |
0 |
| ODI |
0 |
0 |
1 |
459 |
4662 |
784 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
2665 |
5531 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-07:
| 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 |
9575 |
4314 |
13 |
8 |
0 |
0 |
0 |
0 |
| OW |
156 |
1239 |
356 |
168 |
0 |
0 |
0 |
0 |
| VODI |
0 |
8 |
119 |
2686 |
501 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
248 |
5904 |
1477 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
393 |
5518 |
411 |
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 |
9500 |
3553 |
0 |
2 |
0 |
0 |
0 |
0 |
| OW |
215 |
1561 |
216 |
159 |
2 |
0 |
0 |
0 |
| VODI |
16 |
447 |
271 |
2359 |
943 |
46 |
0 |
0 |
| ODI |
0 |
0 |
1 |
586 |
3981 |
1625 |
1 |
0 |
| CDI |
0 |
0 |
0 |
6 |
1872 |
5324 |
410 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9952 |
3113 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
233 |
1652 |
161 |
177 |
1 |
0 |
0 |
0 |
| VODI |
4 |
662 |
304 |
2398 |
1046 |
6 |
0 |
0 |
| ODI |
0 |
5 |
17 |
448 |
4139 |
1420 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
2300 |
4802 |
245 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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