Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-25
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-19:
| 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 |
2927 |
4934 |
18 |
12 |
0 |
0 |
0 |
0 |
| OW |
297 |
2569 |
456 |
376 |
11 |
0 |
0 |
0 |
| VODI |
4 |
480 |
264 |
2479 |
1057 |
0 |
0 |
0 |
| ODI |
0 |
146 |
27 |
593 |
3853 |
2751 |
0 |
0 |
| CDI |
0 |
86 |
17 |
105 |
2476 |
7142 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-21:
| 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 |
3376 |
5057 |
21 |
6 |
0 |
0 |
0 |
0 |
| OW |
262 |
2600 |
422 |
379 |
15 |
0 |
0 |
0 |
| VODI |
18 |
566 |
296 |
2297 |
1083 |
0 |
0 |
0 |
| ODI |
1 |
260 |
51 |
547 |
3566 |
3721 |
35 |
0 |
| CDI |
0 |
46 |
9 |
84 |
2558 |
5758 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-23:
| 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 |
4268 |
5918 |
10 |
15 |
0 |
0 |
0 |
0 |
| OW |
177 |
2413 |
515 |
312 |
5 |
0 |
0 |
0 |
| VODI |
9 |
211 |
179 |
2555 |
469 |
0 |
0 |
0 |
| ODI |
12 |
34 |
1 |
305 |
6249 |
1175 |
0 |
0 |
| CDI |
0 |
1 |
0 |
15 |
554 |
7333 |
361 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-25:
| 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 |
4869 |
5782 |
4 |
8 |
0 |
0 |
0 |
0 |
| OW |
189 |
2420 |
410 |
240 |
1 |
0 |
0 |
0 |
| VODI |
18 |
241 |
248 |
2258 |
790 |
0 |
0 |
0 |
| ODI |
10 |
23 |
4 |
406 |
6090 |
1040 |
0 |
0 |
| CDI |
1 |
2 |
2 |
9 |
751 |
7219 |
61 |
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 |
4888 |
5833 |
11 |
6 |
0 |
0 |
0 |
0 |
| OW |
171 |
2337 |
417 |
336 |
2 |
0 |
0 |
0 |
| VODI |
23 |
280 |
234 |
2082 |
778 |
0 |
0 |
0 |
| ODI |
4 |
14 |
3 |
484 |
6194 |
1293 |
0 |
0 |
| CDI |
1 |
4 |
3 |
13 |
658 |
6966 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-27:
| 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 |
5848 |
5152 |
3 |
12 |
0 |
0 |
0 |
0 |
| OW |
597 |
2168 |
344 |
241 |
0 |
0 |
0 |
0 |
| VODI |
94 |
215 |
305 |
1968 |
1003 |
0 |
0 |
0 |
| ODI |
11 |
3 |
3 |
662 |
5505 |
1274 |
0 |
0 |
| CDI |
2 |
0 |
0 |
8 |
999 |
6550 |
129 |
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 |
5872 |
5151 |
7 |
13 |
0 |
0 |
0 |
0 |
| OW |
564 |
2119 |
344 |
341 |
0 |
0 |
0 |
0 |
| VODI |
104 |
267 |
301 |
1811 |
1003 |
0 |
0 |
0 |
| ODI |
9 |
1 |
3 |
719 |
5577 |
1454 |
0 |
0 |
| CDI |
3 |
0 |
0 |
7 |
927 |
6370 |
129 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-29:
| 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 |
7333 |
5085 |
9 |
2 |
0 |
0 |
0 |
0 |
| OW |
483 |
1361 |
499 |
253 |
2 |
0 |
0 |
0 |
| VODI |
57 |
7 |
20 |
2459 |
280 |
0 |
0 |
0 |
| ODI |
3 |
0 |
0 |
100 |
5904 |
277 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
667 |
7928 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
58 |
299 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6845 |
4358 |
7 |
12 |
3 |
0 |
0 |
0 |
| OW |
933 |
1788 |
295 |
440 |
4 |
0 |
0 |
0 |
| VODI |
89 |
307 |
217 |
1552 |
1343 |
0 |
0 |
0 |
| ODI |
9 |
0 |
9 |
795 |
4437 |
2347 |
2 |
0 |
| CDI |
0 |
0 |
0 |
15 |
1066 |
5916 |
307 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-31:
| 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 |
8237 |
4471 |
5 |
13 |
0 |
0 |
0 |
0 |
| OW |
274 |
1505 |
298 |
153 |
1 |
0 |
0 |
0 |
| VODI |
32 |
75 |
201 |
2254 |
554 |
0 |
0 |
0 |
| ODI |
1 |
0 |
0 |
135 |
5495 |
419 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
1794 |
6883 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
277 |
18 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7651 |
3733 |
12 |
19 |
0 |
0 |
0 |
0 |
| OW |
847 |
1846 |
245 |
406 |
13 |
0 |
0 |
0 |
| VODI |
45 |
434 |
180 |
1309 |
1729 |
0 |
0 |
0 |
| ODI |
1 |
38 |
65 |
799 |
4708 |
1834 |
0 |
0 |
| CDI |
0 |
0 |
2 |
23 |
1394 |
5745 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-08-02:
| 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 |
8985 |
3875 |
2 |
14 |
0 |
0 |
0 |
0 |
| OW |
284 |
1480 |
229 |
105 |
0 |
0 |
0 |
0 |
| VODI |
50 |
196 |
309 |
2294 |
639 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
310 |
5173 |
379 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1794 |
6924 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
54 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8510 |
3163 |
3 |
16 |
0 |
0 |
0 |
0 |
| OW |
767 |
1839 |
228 |
345 |
0 |
0 |
0 |
0 |
| VODI |
41 |
477 |
188 |
1456 |
1552 |
0 |
0 |
0 |
| ODI |
1 |
72 |
119 |
882 |
4740 |
1880 |
0 |
0 |
| CDI |
0 |
0 |
2 |
24 |
1314 |
5477 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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