Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-27
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-21:
| 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 |
0 |
469 |
48 |
58 |
40 |
31 |
0 |
0 |
| OW |
0 |
829 |
113 |
80 |
66 |
58 |
2 |
0 |
| VODI |
0 |
482 |
240 |
474 |
347 |
134 |
12 |
0 |
| ODI |
0 |
126 |
84 |
488 |
1617 |
509 |
44 |
0 |
| CDI |
0 |
42 |
55 |
295 |
2202 |
4582 |
521 |
0 |
| VCDI |
0 |
3 |
8 |
102 |
619 |
10244 |
5131 |
1927 |
|
...date precedes bulletin
|
Date: 2024-06-23:
| 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 |
0 |
550 |
53 |
57 |
44 |
38 |
0 |
0 |
| OW |
0 |
907 |
95 |
109 |
91 |
82 |
0 |
0 |
| VODI |
0 |
618 |
231 |
478 |
442 |
135 |
10 |
0 |
| ODI |
0 |
149 |
120 |
488 |
1597 |
436 |
12 |
0 |
| CDI |
0 |
69 |
51 |
400 |
2329 |
4226 |
409 |
0 |
| VCDI |
0 |
4 |
18 |
127 |
1346 |
11209 |
5005 |
147 |
|
...date precedes bulletin
|
Date: 2024-06-25:
| 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 |
0 |
824 |
58 |
59 |
48 |
25 |
0 |
0 |
| OW |
0 |
1066 |
178 |
133 |
88 |
27 |
0 |
0 |
| VODI |
0 |
314 |
295 |
890 |
462 |
56 |
0 |
0 |
| ODI |
0 |
13 |
52 |
667 |
3082 |
637 |
0 |
0 |
| CDI |
0 |
20 |
36 |
223 |
1487 |
7733 |
348 |
0 |
| VCDI |
0 |
0 |
1 |
82 |
1032 |
8493 |
3653 |
0 |
|
...date precedes bulletin
|
Date: 2024-06-27:
| 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 |
0 |
946 |
55 |
51 |
30 |
18 |
0 |
0 |
| OW |
0 |
1172 |
146 |
187 |
95 |
51 |
0 |
0 |
| VODI |
0 |
437 |
373 |
722 |
596 |
91 |
0 |
0 |
| ODI |
0 |
21 |
73 |
807 |
2739 |
457 |
0 |
0 |
| CDI |
0 |
28 |
36 |
233 |
1717 |
8460 |
463 |
0 |
| VCDI |
0 |
8 |
3 |
46 |
782 |
8350 |
2889 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1057 |
55 |
48 |
41 |
20 |
0 |
0 |
| OW |
0 |
1068 |
163 |
201 |
97 |
41 |
0 |
0 |
| VODI |
0 |
416 |
344 |
715 |
672 |
90 |
0 |
0 |
| ODI |
0 |
37 |
84 |
806 |
2463 |
414 |
1 |
0 |
| CDI |
0 |
33 |
37 |
250 |
2078 |
8615 |
404 |
0 |
| VCDI |
0 |
1 |
3 |
26 |
608 |
8247 |
2947 |
0 |
|
Date: 2024-06-29:
| 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 |
0 |
1176 |
54 |
51 |
31 |
7 |
0 |
0 |
| OW |
0 |
1267 |
219 |
251 |
107 |
33 |
0 |
0 |
| VODI |
0 |
647 |
275 |
808 |
619 |
56 |
0 |
0 |
| ODI |
0 |
76 |
137 |
929 |
2396 |
318 |
0 |
0 |
| CDI |
0 |
41 |
57 |
307 |
2122 |
9392 |
542 |
0 |
| VCDI |
0 |
0 |
3 |
160 |
2101 |
7252 |
648 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1289 |
73 |
61 |
40 |
8 |
0 |
0 |
| OW |
0 |
1152 |
219 |
277 |
90 |
31 |
0 |
0 |
| VODI |
0 |
642 |
245 |
743 |
670 |
57 |
0 |
0 |
| ODI |
0 |
91 |
142 |
932 |
2139 |
280 |
0 |
0 |
| CDI |
0 |
33 |
66 |
427 |
2612 |
9177 |
416 |
0 |
| VCDI |
0 |
0 |
0 |
66 |
1825 |
7505 |
774 |
0 |
|
Date: 2024-07-01:
| 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 |
0 |
1891 |
119 |
117 |
46 |
11 |
0 |
0 |
| OW |
0 |
1464 |
288 |
227 |
90 |
0 |
1 |
0 |
| VODI |
0 |
430 |
440 |
1560 |
764 |
5 |
0 |
0 |
| ODI |
0 |
24 |
59 |
624 |
3546 |
606 |
0 |
0 |
| CDI |
0 |
2 |
13 |
410 |
2423 |
11547 |
342 |
0 |
| VCDI |
0 |
0 |
2 |
9 |
1129 |
3259 |
634 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1382 |
110 |
137 |
61 |
11 |
1 |
0 |
| OW |
0 |
1379 |
206 |
245 |
187 |
0 |
0 |
0 |
| VODI |
0 |
762 |
315 |
803 |
875 |
27 |
0 |
0 |
| ODI |
0 |
217 |
196 |
884 |
1734 |
396 |
0 |
0 |
| CDI |
0 |
70 |
85 |
636 |
2985 |
7720 |
207 |
0 |
| VCDI |
0 |
1 |
9 |
242 |
2156 |
7274 |
769 |
0 |
|
Date: 2024-07-03:
| 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 |
19 |
2224 |
127 |
109 |
30 |
14 |
0 |
0 |
| OW |
0 |
1485 |
306 |
255 |
86 |
0 |
0 |
0 |
| VODI |
0 |
508 |
496 |
1781 |
1053 |
17 |
0 |
0 |
| ODI |
0 |
24 |
55 |
628 |
2606 |
875 |
0 |
0 |
| CDI |
0 |
6 |
16 |
523 |
2422 |
11039 |
407 |
0 |
| VCDI |
0 |
1 |
1 |
5 |
851 |
3479 |
634 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
19 |
1570 |
126 |
149 |
33 |
14 |
0 |
0 |
| OW |
0 |
1443 |
224 |
307 |
168 |
2 |
0 |
0 |
| VODI |
0 |
886 |
348 |
954 |
838 |
42 |
0 |
0 |
| ODI |
0 |
247 |
197 |
905 |
1508 |
650 |
1 |
0 |
| CDI |
0 |
98 |
103 |
876 |
2850 |
7924 |
101 |
0 |
| VCDI |
0 |
4 |
3 |
110 |
1651 |
6792 |
939 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
30 |
1766 |
128 |
131 |
30 |
1 |
0 |
0 |
| OW |
0 |
1417 |
213 |
325 |
165 |
2 |
0 |
0 |
| VODI |
0 |
993 |
305 |
1079 |
717 |
68 |
0 |
0 |
| ODI |
0 |
375 |
239 |
889 |
1394 |
810 |
0 |
0 |
| CDI |
0 |
102 |
121 |
979 |
3400 |
7699 |
184 |
0 |
| VCDI |
0 |
5 |
19 |
117 |
1168 |
5583 |
1628 |
0 |
|
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