Validation of sea ice concentration - Asian sector
Bulletin date: 2024-08-22
Data source: OSI SAF N.H. multi-product 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 |
10756 |
3830 |
0 |
7 |
0 |
0 |
0 |
0 |
| OW |
0 |
1753 |
195 |
73 |
5 |
0 |
0 |
0 |
| VODI |
0 |
318 |
390 |
2958 |
264 |
0 |
0 |
0 |
| ODI |
0 |
6 |
9 |
453 |
5966 |
517 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1439 |
3946 |
190 |
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 |
10886 |
3696 |
1 |
1 |
0 |
0 |
0 |
0 |
| OW |
0 |
1901 |
178 |
104 |
0 |
0 |
0 |
0 |
| VODI |
0 |
432 |
414 |
2709 |
288 |
0 |
0 |
0 |
| ODI |
0 |
14 |
24 |
500 |
5995 |
635 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
1851 |
3356 |
91 |
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 |
11230 |
4269 |
3 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1748 |
505 |
167 |
0 |
0 |
0 |
0 |
| VODI |
0 |
22 |
217 |
2685 |
244 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
164 |
7381 |
236 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
602 |
3583 |
40 |
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 |
11319 |
4168 |
8 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1963 |
383 |
168 |
0 |
0 |
0 |
0 |
| VODI |
0 |
62 |
262 |
2601 |
296 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
149 |
6709 |
796 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
406 |
3767 |
39 |
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 |
11319 |
4261 |
13 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1837 |
330 |
246 |
1 |
0 |
0 |
0 |
| VODI |
0 |
95 |
310 |
2524 |
366 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
148 |
6490 |
742 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
554 |
3802 |
39 |
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 |
11694 |
3912 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
2170 |
246 |
121 |
0 |
0 |
0 |
0 |
| VODI |
0 |
200 |
430 |
2292 |
242 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
268 |
6516 |
1028 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
559 |
3413 |
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 |
11694 |
4037 |
1 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1989 |
272 |
183 |
0 |
0 |
0 |
0 |
| VODI |
0 |
256 |
405 |
2242 |
334 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
259 |
6245 |
1142 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
738 |
3299 |
0 |
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 |
11404 |
5129 |
5 |
3 |
0 |
0 |
0 |
0 |
| OW |
0 |
1664 |
605 |
223 |
0 |
0 |
0 |
0 |
| VODI |
0 |
0 |
28 |
2205 |
162 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
145 |
6743 |
135 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
277 |
4187 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
155 |
19 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11404 |
4317 |
5 |
4 |
0 |
0 |
0 |
0 |
| OW |
0 |
2194 |
268 |
170 |
0 |
0 |
0 |
0 |
| VODI |
0 |
282 |
365 |
2102 |
350 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
300 |
6368 |
1027 |
19 |
0 |
| CDI |
0 |
0 |
0 |
0 |
464 |
3450 |
7 |
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 |
12594 |
4336 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
0 |
1968 |
307 |
88 |
0 |
0 |
0 |
0 |
| VODI |
0 |
84 |
278 |
1906 |
111 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
376 |
6403 |
27 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
2640 |
1902 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
65 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12578 |
3330 |
0 |
0 |
0 |
0 |
0 |
0 |
| OW |
16 |
2503 |
188 |
91 |
0 |
0 |
0 |
0 |
| VODI |
0 |
550 |
371 |
1753 |
348 |
0 |
0 |
0 |
| ODI |
0 |
5 |
26 |
513 |
6324 |
579 |
0 |
0 |
| CDI |
0 |
0 |
0 |
19 |
2487 |
1415 |
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 |
12990 |
4169 |
2 |
0 |
0 |
0 |
0 |
0 |
| OW |
16 |
1905 |
206 |
135 |
0 |
0 |
0 |
0 |
| VODI |
0 |
188 |
262 |
1688 |
212 |
0 |
0 |
0 |
| ODI |
0 |
0 |
11 |
417 |
6341 |
142 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
1001 |
3394 |
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 |
12915 |
3154 |
5 |
3 |
0 |
0 |
0 |
0 |
| OW |
90 |
2437 |
135 |
121 |
0 |
0 |
0 |
0 |
| VODI |
1 |
651 |
311 |
1561 |
463 |
0 |
0 |
0 |
| ODI |
0 |
20 |
30 |
552 |
5838 |
864 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
1253 |
2672 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
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