Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-16:
| 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 |
9858 |
3811 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
1 |
1686 |
193 |
103 |
0 |
0 |
0 |
0 |
| VODI |
0 |
594 |
510 |
2392 |
389 |
8 |
0 |
0 |
| ODI |
0 |
52 |
27 |
760 |
4987 |
1117 |
1 |
0 |
| CDI |
0 |
3 |
8 |
21 |
1257 |
3956 |
347 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-18:
| 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 |
10003 |
3659 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1784 |
196 |
156 |
2 |
0 |
0 |
0 |
| VODI |
0 |
653 |
439 |
2274 |
439 |
4 |
0 |
0 |
| ODI |
0 |
57 |
42 |
812 |
5018 |
1230 |
1 |
0 |
| CDI |
0 |
8 |
6 |
16 |
1460 |
3650 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-20:
| 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 |
10139 |
4412 |
11 |
2 |
0 |
0 |
0 |
0 |
| OW |
0 |
1766 |
418 |
192 |
6 |
0 |
0 |
0 |
| VODI |
0 |
261 |
437 |
2058 |
361 |
22 |
0 |
0 |
| ODI |
0 |
5 |
7 |
857 |
6069 |
834 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
603 |
3546 |
72 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-22:
| 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 |
10321 |
4229 |
10 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1870 |
413 |
184 |
5 |
0 |
0 |
0 |
| VODI |
0 |
288 |
440 |
2020 |
429 |
14 |
0 |
0 |
| ODI |
0 |
4 |
6 |
547 |
5856 |
1234 |
0 |
0 |
| CDI |
0 |
0 |
2 |
11 |
530 |
3668 |
1 |
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 |
10321 |
4315 |
13 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1769 |
385 |
217 |
5 |
0 |
0 |
0 |
| VODI |
0 |
303 |
465 |
1997 |
490 |
10 |
0 |
0 |
| ODI |
0 |
4 |
7 |
535 |
5710 |
1122 |
0 |
0 |
| CDI |
0 |
0 |
1 |
13 |
615 |
3765 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
19 |
0 |
0 |
|
Date: 2024-08-24:
| 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 |
10545 |
4117 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2036 |
296 |
158 |
3 |
0 |
0 |
0 |
| VODI |
0 |
538 |
487 |
1713 |
389 |
15 |
0 |
0 |
| ODI |
0 |
17 |
21 |
681 |
5608 |
1428 |
54 |
0 |
| CDI |
0 |
0 |
1 |
18 |
479 |
3450 |
27 |
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 |
10545 |
4229 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1900 |
313 |
192 |
8 |
0 |
0 |
0 |
| VODI |
0 |
560 |
469 |
1711 |
457 |
16 |
0 |
0 |
| ODI |
0 |
19 |
22 |
656 |
5382 |
1497 |
67 |
0 |
| CDI |
0 |
0 |
0 |
11 |
632 |
3380 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-26:
| 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 |
10700 |
4872 |
8 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1690 |
481 |
286 |
0 |
0 |
0 |
0 |
| VODI |
0 |
136 |
295 |
1609 |
338 |
2 |
0 |
0 |
| ODI |
0 |
0 |
4 |
668 |
5497 |
851 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
247 |
4132 |
92 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
72 |
102 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10700 |
4072 |
5 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
2099 |
321 |
173 |
3 |
0 |
0 |
0 |
| VODI |
0 |
510 |
436 |
1656 |
456 |
20 |
0 |
0 |
| ODI |
0 |
17 |
26 |
721 |
5264 |
1524 |
157 |
0 |
| CDI |
0 |
0 |
0 |
12 |
359 |
3513 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-28:
| 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 |
11311 |
4643 |
7 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1924 |
304 |
93 |
2 |
0 |
0 |
0 |
| VODI |
0 |
340 |
364 |
1499 |
171 |
0 |
0 |
0 |
| ODI |
0 |
24 |
27 |
1008 |
5350 |
397 |
0 |
0 |
| CDI |
0 |
0 |
3 |
17 |
2427 |
2101 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
67 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11285 |
3661 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
26 |
2408 |
229 |
94 |
3 |
0 |
0 |
0 |
| VODI |
0 |
771 |
413 |
1452 |
364 |
5 |
0 |
0 |
| ODI |
0 |
88 |
52 |
1037 |
5225 |
1045 |
0 |
0 |
| CDI |
0 |
3 |
8 |
34 |
2361 |
1515 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-30:
| 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 |
11381 |
4792 |
14 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1795 |
249 |
183 |
0 |
0 |
0 |
0 |
| VODI |
0 |
349 |
308 |
1418 |
269 |
0 |
0 |
0 |
| ODI |
0 |
44 |
27 |
863 |
5415 |
562 |
0 |
0 |
| CDI |
0 |
4 |
9 |
23 |
1019 |
3348 |
9 |
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 |
11365 |
3724 |
22 |
7 |
0 |
0 |
0 |
0 |
| OW |
16 |
2363 |
180 |
180 |
4 |
0 |
0 |
0 |
| VODI |
0 |
808 |
346 |
1318 |
491 |
9 |
0 |
0 |
| ODI |
0 |
82 |
50 |
961 |
4923 |
1285 |
3 |
0 |
| CDI |
0 |
7 |
9 |
22 |
1285 |
2616 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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