Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-14:
| 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 |
0 |
198 |
13 |
18 |
12 |
31 |
0 |
0 |
| OW |
0 |
436 |
82 |
76 |
39 |
35 |
0 |
0 |
| VODI |
0 |
478 |
200 |
322 |
198 |
116 |
3 |
0 |
| ODI |
0 |
170 |
87 |
379 |
780 |
667 |
16 |
0 |
| CDI |
0 |
105 |
64 |
352 |
1474 |
3562 |
1211 |
4 |
| VCDI |
0 |
0 |
1 |
31 |
181 |
3557 |
10855 |
6329 |
|
...date precedes bulletin
|
Date: 2024-06-16:
| 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 |
0 |
220 |
10 |
25 |
55 |
3 |
0 |
0 |
| OW |
0 |
417 |
88 |
70 |
64 |
19 |
0 |
0 |
| VODI |
0 |
534 |
187 |
349 |
313 |
68 |
4 |
0 |
| ODI |
0 |
211 |
105 |
478 |
1057 |
699 |
39 |
0 |
| CDI |
0 |
98 |
62 |
379 |
1574 |
3235 |
1418 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
597 |
5453 |
9449 |
4768 |
|
...date precedes bulletin
|
Date: 2024-06-18:
| 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 |
0 |
331 |
26 |
30 |
64 |
2 |
0 |
0 |
| OW |
0 |
777 |
136 |
87 |
77 |
13 |
0 |
0 |
| VODI |
0 |
382 |
236 |
587 |
342 |
57 |
0 |
0 |
| ODI |
0 |
49 |
38 |
532 |
1857 |
676 |
16 |
0 |
| CDI |
0 |
15 |
30 |
201 |
1630 |
4064 |
897 |
0 |
| VCDI |
0 |
0 |
2 |
76 |
827 |
8945 |
7189 |
1891 |
|
...date precedes bulletin
|
Date: 2024-06-20:
| 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 |
0 |
387 |
41 |
67 |
38 |
26 |
0 |
0 |
| OW |
0 |
807 |
126 |
87 |
60 |
50 |
0 |
0 |
| VODI |
0 |
401 |
234 |
557 |
343 |
115 |
10 |
0 |
| ODI |
0 |
81 |
70 |
553 |
1630 |
688 |
29 |
0 |
| CDI |
0 |
33 |
50 |
252 |
1592 |
5023 |
480 |
0 |
| VCDI |
0 |
2 |
12 |
107 |
747 |
10420 |
5081 |
1883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
435 |
40 |
62 |
39 |
23 |
0 |
0 |
| OW |
0 |
769 |
140 |
109 |
61 |
46 |
0 |
0 |
| VODI |
0 |
399 |
237 |
523 |
312 |
120 |
7 |
0 |
| ODI |
0 |
76 |
59 |
558 |
1639 |
668 |
22 |
0 |
| CDI |
0 |
30 |
45 |
262 |
1618 |
5009 |
595 |
3 |
| VCDI |
0 |
2 |
12 |
109 |
741 |
10456 |
4976 |
1880 |
|
Date: 2024-06-22:
| 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 |
0 |
548 |
50 |
55 |
46 |
27 |
0 |
0 |
| OW |
0 |
850 |
103 |
102 |
79 |
74 |
0 |
0 |
| VODI |
0 |
586 |
226 |
438 |
409 |
125 |
9 |
0 |
| ODI |
0 |
151 |
105 |
474 |
1620 |
399 |
29 |
0 |
| CDI |
0 |
60 |
46 |
357 |
2144 |
4130 |
566 |
0 |
| VCDI |
0 |
2 |
7 |
96 |
982 |
10496 |
5522 |
1169 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
595 |
48 |
47 |
38 |
28 |
0 |
0 |
| OW |
0 |
815 |
114 |
111 |
76 |
72 |
0 |
0 |
| VODI |
0 |
594 |
215 |
387 |
347 |
114 |
7 |
0 |
| ODI |
0 |
135 |
109 |
508 |
1649 |
424 |
23 |
0 |
| CDI |
0 |
54 |
44 |
373 |
2195 |
4096 |
607 |
0 |
| VCDI |
0 |
4 |
7 |
96 |
975 |
10517 |
5489 |
1169 |
|
Date: 2024-06-24:
| 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 |
0 |
812 |
55 |
49 |
50 |
23 |
0 |
0 |
| OW |
0 |
1098 |
167 |
106 |
60 |
35 |
0 |
0 |
| VODI |
0 |
322 |
310 |
852 |
389 |
57 |
0 |
0 |
| ODI |
0 |
16 |
50 |
581 |
3285 |
617 |
1 |
0 |
| CDI |
0 |
16 |
25 |
215 |
1384 |
7490 |
368 |
0 |
| VCDI |
0 |
3 |
7 |
76 |
1162 |
7281 |
4869 |
251 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
632 |
48 |
45 |
53 |
37 |
0 |
0 |
| OW |
0 |
815 |
130 |
143 |
105 |
76 |
0 |
0 |
| VODI |
0 |
640 |
228 |
492 |
488 |
110 |
0 |
0 |
| ODI |
0 |
108 |
118 |
607 |
1716 |
386 |
7 |
0 |
| CDI |
0 |
59 |
72 |
421 |
2341 |
4733 |
857 |
2 |
| VCDI |
0 |
13 |
18 |
171 |
1627 |
10161 |
4374 |
249 |
|
Date: 2024-06-26:
| 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 |
0 |
855 |
58 |
57 |
28 |
32 |
0 |
0 |
| OW |
0 |
1108 |
151 |
157 |
80 |
42 |
0 |
0 |
| VODI |
0 |
387 |
328 |
809 |
508 |
79 |
0 |
0 |
| ODI |
0 |
30 |
49 |
715 |
2870 |
629 |
0 |
0 |
| CDI |
0 |
20 |
33 |
226 |
1641 |
8191 |
618 |
0 |
| VCDI |
0 |
0 |
0 |
60 |
867 |
8637 |
2796 |
21 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
581 |
47 |
54 |
30 |
37 |
0 |
0 |
| OW |
0 |
876 |
104 |
214 |
124 |
63 |
0 |
0 |
| VODI |
0 |
699 |
264 |
462 |
628 |
103 |
0 |
0 |
| ODI |
0 |
171 |
125 |
717 |
1639 |
391 |
0 |
0 |
| CDI |
0 |
73 |
77 |
510 |
2549 |
6536 |
600 |
0 |
| VCDI |
0 |
0 |
2 |
67 |
1024 |
10480 |
2814 |
21 |
|
Date: 2024-06-28:
| 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 |
0 |
1037 |
68 |
44 |
22 |
19 |
0 |
0 |
| OW |
0 |
1185 |
188 |
238 |
114 |
42 |
0 |
0 |
| VODI |
0 |
560 |
320 |
762 |
615 |
80 |
0 |
0 |
| ODI |
0 |
57 |
115 |
887 |
2479 |
464 |
0 |
0 |
| CDI |
0 |
23 |
40 |
252 |
1877 |
8686 |
390 |
0 |
| VCDI |
0 |
0 |
7 |
70 |
1405 |
9205 |
831 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
628 |
65 |
62 |
39 |
12 |
0 |
0 |
| OW |
0 |
941 |
110 |
203 |
127 |
30 |
0 |
0 |
| VODI |
0 |
863 |
224 |
426 |
647 |
102 |
0 |
0 |
| ODI |
0 |
328 |
206 |
890 |
1480 |
411 |
0 |
0 |
| CDI |
0 |
95 |
120 |
626 |
3237 |
7252 |
128 |
0 |
| VCDI |
0 |
7 |
13 |
46 |
982 |
10689 |
1093 |
0 |
|
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