Validation of sea ice concentration - Asian sector
Bulletin date: 2024-07-11
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-05:
| 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 |
30 |
2498 |
99 |
107 |
35 |
1 |
0 |
0 |
| OW |
0 |
1542 |
324 |
306 |
80 |
1 |
0 |
0 |
| VODI |
0 |
562 |
486 |
1846 |
1124 |
36 |
0 |
0 |
| ODI |
0 |
43 |
72 |
683 |
2362 |
676 |
0 |
0 |
| CDI |
0 |
13 |
42 |
570 |
2524 |
10008 |
586 |
0 |
| VCDI |
0 |
0 |
2 |
8 |
749 |
3441 |
1226 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-07:
| 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 |
71 |
2832 |
118 |
92 |
37 |
8 |
0 |
0 |
| OW |
0 |
1749 |
314 |
351 |
91 |
1 |
0 |
0 |
| VODI |
0 |
603 |
474 |
1706 |
1116 |
41 |
0 |
0 |
| ODI |
0 |
74 |
73 |
700 |
1963 |
686 |
0 |
0 |
| CDI |
0 |
58 |
71 |
789 |
2243 |
9439 |
6 |
0 |
| VCDI |
0 |
2 |
2 |
7 |
645 |
5680 |
40 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-09:
| 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 |
210 |
4015 |
86 |
60 |
31 |
2 |
0 |
0 |
| OW |
0 |
1694 |
389 |
203 |
19 |
0 |
0 |
0 |
| VODI |
0 |
530 |
588 |
2622 |
581 |
1 |
0 |
0 |
| ODI |
0 |
42 |
52 |
1204 |
3449 |
176 |
0 |
0 |
| CDI |
0 |
3 |
14 |
243 |
4528 |
8504 |
3 |
0 |
| VCDI |
0 |
5 |
1 |
3 |
318 |
2323 |
183 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-11:
| 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 |
355 |
4309 |
74 |
54 |
23 |
0 |
0 |
0 |
| OW |
0 |
1790 |
457 |
334 |
26 |
0 |
0 |
0 |
| VODI |
0 |
629 |
599 |
2395 |
718 |
9 |
0 |
0 |
| ODI |
0 |
104 |
102 |
1040 |
2981 |
792 |
0 |
0 |
| CDI |
0 |
11 |
18 |
311 |
3128 |
9318 |
0 |
0 |
| VCDI |
0 |
7 |
0 |
0 |
681 |
1817 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
354 |
4397 |
80 |
60 |
24 |
0 |
0 |
0 |
| OW |
1 |
1729 |
495 |
359 |
29 |
0 |
0 |
0 |
| VODI |
0 |
607 |
548 |
2279 |
716 |
14 |
0 |
0 |
| ODI |
0 |
102 |
109 |
1119 |
3002 |
801 |
0 |
0 |
| CDI |
0 |
7 |
17 |
317 |
3124 |
8878 |
0 |
0 |
| VCDI |
0 |
8 |
1 |
0 |
662 |
2243 |
0 |
0 |
|
Date: 2024-07-13:
| 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 |
405 |
4330 |
66 |
53 |
15 |
0 |
0 |
0 |
| OW |
0 |
2069 |
472 |
321 |
44 |
0 |
0 |
0 |
| VODI |
0 |
892 |
690 |
2019 |
794 |
29 |
0 |
0 |
| ODI |
0 |
179 |
131 |
1211 |
2989 |
382 |
0 |
0 |
| CDI |
0 |
12 |
22 |
349 |
3514 |
9597 |
0 |
0 |
| VCDI |
0 |
6 |
0 |
26 |
221 |
1244 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
405 |
4460 |
81 |
68 |
15 |
0 |
0 |
0 |
| OW |
0 |
1946 |
489 |
384 |
47 |
0 |
0 |
0 |
| VODI |
0 |
896 |
660 |
1951 |
829 |
51 |
0 |
0 |
| ODI |
0 |
160 |
128 |
1196 |
2892 |
531 |
0 |
0 |
| CDI |
0 |
18 |
23 |
341 |
3478 |
9357 |
0 |
0 |
| VCDI |
0 |
8 |
0 |
39 |
316 |
1313 |
0 |
0 |
|
Date: 2024-07-15:
| 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 |
943 |
5363 |
56 |
39 |
0 |
0 |
0 |
0 |
| OW |
44 |
3064 |
586 |
377 |
10 |
0 |
0 |
0 |
| VODI |
0 |
399 |
524 |
2020 |
609 |
2 |
0 |
0 |
| ODI |
0 |
8 |
11 |
715 |
4203 |
272 |
2 |
0 |
| CDI |
0 |
12 |
7 |
74 |
3056 |
9671 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
7 |
0 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
903 |
4487 |
47 |
38 |
1 |
0 |
0 |
0 |
| OW |
82 |
2430 |
354 |
320 |
41 |
0 |
0 |
0 |
| VODI |
2 |
1450 |
532 |
1481 |
769 |
28 |
0 |
0 |
| ODI |
0 |
392 |
190 |
947 |
2558 |
551 |
3 |
0 |
| CDI |
0 |
80 |
60 |
431 |
3888 |
8116 |
7 |
0 |
| VCDI |
0 |
7 |
1 |
8 |
621 |
1257 |
0 |
0 |
|
Date: 2024-07-17:
| 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 |
1160 |
5677 |
55 |
22 |
1 |
0 |
0 |
0 |
| OW |
92 |
3159 |
468 |
252 |
8 |
0 |
0 |
0 |
| VODI |
0 |
492 |
526 |
1880 |
828 |
8 |
0 |
0 |
| ODI |
0 |
14 |
33 |
739 |
3508 |
1840 |
0 |
0 |
| CDI |
0 |
28 |
11 |
93 |
2912 |
8276 |
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 |
1085 |
4493 |
51 |
25 |
1 |
0 |
0 |
0 |
| OW |
145 |
2828 |
375 |
359 |
47 |
0 |
0 |
0 |
| VODI |
22 |
1444 |
441 |
1311 |
855 |
56 |
0 |
0 |
| ODI |
0 |
480 |
157 |
843 |
2364 |
1460 |
0 |
0 |
| CDI |
0 |
122 |
69 |
446 |
3456 |
8321 |
0 |
0 |
| VCDI |
0 |
3 |
0 |
2 |
534 |
287 |
0 |
0 |
|
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 |
1790 |
5624 |
52 |
17 |
0 |
0 |
0 |
0 |
| OW |
139 |
2780 |
392 |
268 |
14 |
1 |
0 |
0 |
| VODI |
4 |
632 |
450 |
1798 |
1178 |
29 |
0 |
0 |
| ODI |
0 |
68 |
54 |
672 |
3876 |
2515 |
0 |
0 |
| CDI |
0 |
39 |
12 |
95 |
2791 |
6782 |
10 |
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 |
1447 |
4268 |
50 |
26 |
0 |
0 |
0 |
0 |
| OW |
363 |
2841 |
362 |
441 |
68 |
1 |
0 |
0 |
| VODI |
123 |
1300 |
350 |
1217 |
885 |
93 |
0 |
0 |
| ODI |
0 |
526 |
118 |
796 |
2592 |
1819 |
0 |
0 |
| CDI |
0 |
208 |
80 |
370 |
3581 |
7244 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
733 |
170 |
0 |
0 |
|
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