Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-12:
| 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 |
383 |
4264 |
76 |
80 |
20 |
0 |
0 |
0 |
| OW |
0 |
1881 |
496 |
375 |
28 |
0 |
0 |
0 |
| VODI |
0 |
734 |
591 |
2157 |
906 |
13 |
0 |
0 |
| ODI |
0 |
174 |
136 |
1073 |
2979 |
576 |
1 |
0 |
| CDI |
0 |
5 |
19 |
418 |
3248 |
9535 |
0 |
0 |
| VCDI |
0 |
7 |
0 |
4 |
496 |
1407 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-14:
| 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 |
559 |
4405 |
55 |
41 |
3 |
0 |
0 |
0 |
| OW |
0 |
2548 |
289 |
219 |
37 |
0 |
0 |
0 |
| VODI |
0 |
1183 |
664 |
1744 |
750 |
10 |
0 |
0 |
| ODI |
0 |
232 |
146 |
1084 |
3066 |
295 |
0 |
0 |
| CDI |
0 |
25 |
31 |
410 |
3302 |
9395 |
0 |
0 |
| VCDI |
0 |
2 |
0 |
1 |
524 |
1062 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-16:
| 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 |
1038 |
5537 |
60 |
26 |
0 |
0 |
0 |
0 |
| OW |
34 |
3232 |
516 |
298 |
7 |
0 |
0 |
0 |
| VODI |
0 |
434 |
543 |
1962 |
668 |
7 |
0 |
0 |
| ODI |
0 |
9 |
23 |
720 |
3760 |
1052 |
0 |
0 |
| CDI |
0 |
12 |
8 |
77 |
3473 |
8558 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-18:
| 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 |
1259 |
5868 |
44 |
20 |
0 |
0 |
0 |
0 |
| OW |
38 |
3046 |
451 |
255 |
7 |
0 |
0 |
0 |
| VODI |
0 |
525 |
485 |
1902 |
964 |
34 |
0 |
0 |
| ODI |
0 |
32 |
40 |
670 |
3797 |
2183 |
0 |
0 |
| CDI |
0 |
33 |
15 |
92 |
2966 |
7348 |
8 |
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 |
1234 |
6264 |
74 |
52 |
0 |
0 |
0 |
0 |
| OW |
63 |
2580 |
433 |
260 |
13 |
0 |
0 |
0 |
| VODI |
0 |
595 |
467 |
1872 |
949 |
36 |
0 |
0 |
| ODI |
0 |
29 |
48 |
656 |
3656 |
1779 |
0 |
0 |
| CDI |
0 |
36 |
13 |
99 |
3116 |
7750 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-20:
| 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 |
1994 |
5735 |
42 |
22 |
0 |
0 |
0 |
0 |
| OW |
157 |
2644 |
376 |
322 |
24 |
0 |
0 |
0 |
| VODI |
0 |
631 |
400 |
1822 |
1210 |
36 |
0 |
0 |
| ODI |
0 |
122 |
49 |
577 |
3722 |
3176 |
51 |
0 |
| CDI |
0 |
34 |
14 |
105 |
2446 |
6321 |
50 |
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 |
2016 |
5935 |
54 |
37 |
1 |
0 |
0 |
0 |
| OW |
133 |
2385 |
347 |
331 |
31 |
0 |
0 |
0 |
| VODI |
2 |
685 |
406 |
1757 |
1257 |
50 |
0 |
0 |
| ODI |
0 |
127 |
63 |
611 |
3527 |
2457 |
1 |
0 |
| CDI |
0 |
34 |
11 |
112 |
2586 |
7026 |
100 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Date: 2024-07-22:
| 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 |
2631 |
6794 |
49 |
25 |
0 |
0 |
0 |
0 |
| OW |
67 |
2302 |
507 |
369 |
10 |
0 |
0 |
0 |
| VODI |
0 |
177 |
365 |
2032 |
515 |
16 |
0 |
0 |
| ODI |
0 |
8 |
1 |
460 |
6336 |
640 |
0 |
0 |
| CDI |
0 |
3 |
0 |
0 |
1314 |
7431 |
30 |
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 |
2536 |
5885 |
26 |
14 |
0 |
0 |
0 |
0 |
| OW |
147 |
2473 |
340 |
402 |
25 |
0 |
0 |
0 |
| VODI |
15 |
722 |
477 |
1638 |
1243 |
102 |
0 |
0 |
| ODI |
0 |
180 |
74 |
621 |
3747 |
2590 |
0 |
0 |
| CDI |
0 |
24 |
5 |
211 |
3159 |
5394 |
30 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
|
Date: 2024-07-24:
| 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 |
2874 |
6983 |
56 |
13 |
0 |
0 |
0 |
0 |
| OW |
72 |
2120 |
512 |
388 |
6 |
1 |
0 |
0 |
| VODI |
0 |
234 |
355 |
1824 |
891 |
2 |
0 |
0 |
| ODI |
0 |
12 |
6 |
465 |
5059 |
2123 |
0 |
0 |
| CDI |
0 |
2 |
0 |
1 |
713 |
7001 |
369 |
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 |
2831 |
5893 |
42 |
16 |
0 |
0 |
0 |
0 |
| OW |
111 |
2492 |
384 |
511 |
44 |
0 |
0 |
0 |
| VODI |
4 |
742 |
405 |
1344 |
1450 |
183 |
0 |
0 |
| ODI |
0 |
214 |
92 |
473 |
2872 |
4175 |
157 |
0 |
| CDI |
0 |
10 |
6 |
347 |
2301 |
4767 |
212 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2 |
0 |
0 |
|
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 |
4028 |
6309 |
31 |
2 |
0 |
0 |
0 |
0 |
| OW |
348 |
1964 |
427 |
241 |
11 |
0 |
0 |
0 |
| VODI |
6 |
393 |
440 |
1633 |
1003 |
17 |
0 |
0 |
| ODI |
6 |
8 |
25 |
683 |
4860 |
1650 |
0 |
0 |
| CDI |
0 |
0 |
1 |
6 |
1317 |
6481 |
192 |
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 |
3839 |
5113 |
15 |
7 |
0 |
0 |
0 |
0 |
| OW |
305 |
2573 |
418 |
451 |
26 |
0 |
0 |
0 |
| VODI |
116 |
783 |
337 |
1203 |
1195 |
345 |
0 |
0 |
| ODI |
126 |
171 |
105 |
430 |
3132 |
3812 |
64 |
0 |
| CDI |
2 |
34 |
49 |
473 |
2835 |
3991 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
3 |
0 |
0 |
0 |
|
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