Validation of sea ice concentration - Asian sector
Bulletin date: 2024-06-20
Data source: OSI SAF N.H. multi-product 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 |
150 |
166 |
21 |
49 |
31 |
14 |
0 |
0 |
| OW |
0 |
246 |
128 |
268 |
44 |
35 |
0 |
0 |
| VODI |
0 |
194 |
106 |
724 |
282 |
104 |
2 |
0 |
| ODI |
0 |
25 |
35 |
403 |
1190 |
568 |
17 |
0 |
| CDI |
0 |
0 |
3 |
258 |
1930 |
3968 |
762 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
281 |
4160 |
9013 |
7917 |
|
...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 |
150 |
199 |
11 |
68 |
45 |
0 |
0 |
0 |
| OW |
0 |
213 |
127 |
272 |
84 |
2 |
0 |
0 |
| VODI |
0 |
239 |
141 |
729 |
406 |
63 |
1 |
0 |
| ODI |
0 |
43 |
34 |
480 |
1453 |
700 |
16 |
0 |
| CDI |
0 |
5 |
2 |
217 |
2108 |
3589 |
979 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
977 |
5037 |
7292 |
7414 |
|
...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 |
150 |
322 |
28 |
72 |
54 |
1 |
0 |
0 |
| OW |
0 |
541 |
258 |
248 |
76 |
13 |
0 |
0 |
| VODI |
0 |
46 |
79 |
1117 |
409 |
67 |
1 |
0 |
| ODI |
0 |
0 |
0 |
311 |
2546 |
417 |
5 |
0 |
| CDI |
0 |
0 |
0 |
81 |
2012 |
4355 |
541 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1119 |
8748 |
5044 |
4435 |
|
...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 |
150 |
372 |
54 |
96 |
52 |
9 |
0 |
0 |
| OW |
0 |
696 |
194 |
171 |
73 |
44 |
0 |
0 |
| VODI |
0 |
117 |
139 |
1015 |
385 |
119 |
1 |
0 |
| ODI |
0 |
2 |
5 |
488 |
2074 |
596 |
4 |
0 |
| CDI |
0 |
0 |
0 |
169 |
2161 |
5069 |
168 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
974 |
10768 |
4260 |
2666 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
426 |
54 |
87 |
48 |
10 |
0 |
0 |
| OW |
0 |
647 |
209 |
204 |
80 |
37 |
0 |
0 |
| VODI |
0 |
112 |
123 |
995 |
354 |
119 |
2 |
0 |
| ODI |
0 |
2 |
6 |
487 |
2047 |
592 |
2 |
0 |
| CDI |
0 |
0 |
0 |
166 |
2207 |
5076 |
261 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
983 |
10771 |
4168 |
2666 |
|
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 |
150 |
548 |
46 |
76 |
57 |
25 |
0 |
0 |
| OW |
0 |
749 |
133 |
220 |
93 |
68 |
0 |
0 |
| VODI |
0 |
248 |
157 |
928 |
391 |
145 |
0 |
0 |
| ODI |
0 |
37 |
32 |
468 |
2072 |
300 |
13 |
0 |
| CDI |
0 |
37 |
6 |
144 |
2859 |
4206 |
208 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
1139 |
10835 |
4792 |
1896 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
604 |
47 |
64 |
56 |
27 |
0 |
0 |
| OW |
0 |
692 |
140 |
262 |
71 |
64 |
0 |
0 |
| VODI |
0 |
261 |
167 |
839 |
346 |
127 |
0 |
0 |
| ODI |
0 |
29 |
15 |
525 |
2060 |
351 |
9 |
0 |
| CDI |
0 |
33 |
5 |
142 |
2940 |
4158 |
247 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
1138 |
10852 |
4757 |
1896 |
|
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 |
150 |
842 |
38 |
65 |
72 |
8 |
0 |
0 |
| OW |
0 |
837 |
376 |
213 |
75 |
12 |
0 |
0 |
| VODI |
0 |
70 |
68 |
1433 |
421 |
41 |
0 |
0 |
| ODI |
0 |
5 |
1 |
229 |
4175 |
307 |
0 |
0 |
| CDI |
0 |
0 |
0 |
106 |
1467 |
7967 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
1167 |
7811 |
3852 |
1160 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
665 |
36 |
59 |
71 |
24 |
0 |
0 |
| OW |
0 |
709 |
185 |
259 |
124 |
46 |
0 |
0 |
| VODI |
0 |
314 |
216 |
874 |
555 |
82 |
1 |
0 |
| ODI |
0 |
33 |
40 |
575 |
2077 |
351 |
6 |
0 |
| CDI |
0 |
33 |
6 |
211 |
2927 |
4798 |
630 |
24 |
| VCDI |
0 |
0 |
0 |
90 |
1623 |
10845 |
3321 |
1136 |
|
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 |
150 |
865 |
56 |
86 |
49 |
17 |
0 |
0 |
| OW |
0 |
822 |
315 |
339 |
108 |
22 |
0 |
0 |
| VODI |
0 |
65 |
97 |
1419 |
573 |
63 |
0 |
0 |
| ODI |
0 |
2 |
3 |
444 |
3610 |
383 |
0 |
0 |
| CDI |
0 |
0 |
0 |
124 |
1954 |
8296 |
446 |
92 |
| VCDI |
0 |
0 |
0 |
7 |
1135 |
8561 |
2714 |
279 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
595 |
45 |
79 |
42 |
33 |
0 |
0 |
| OW |
0 |
765 |
150 |
326 |
153 |
38 |
0 |
0 |
| VODI |
0 |
341 |
227 |
893 |
723 |
70 |
0 |
0 |
| ODI |
0 |
45 |
42 |
793 |
2018 |
277 |
0 |
0 |
| CDI |
0 |
8 |
7 |
311 |
3180 |
6500 |
516 |
7 |
| VCDI |
0 |
0 |
0 |
17 |
1313 |
10424 |
2644 |
364 |
|
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 |
150 |
952 |
65 |
164 |
46 |
6 |
0 |
0 |
| OW |
0 |
829 |
260 |
604 |
131 |
34 |
0 |
0 |
| VODI |
0 |
133 |
122 |
1411 |
697 |
71 |
0 |
0 |
| ODI |
0 |
1 |
11 |
749 |
3180 |
210 |
0 |
0 |
| CDI |
0 |
0 |
0 |
159 |
2341 |
8374 |
508 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
1753 |
9320 |
793 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
150 |
567 |
59 |
173 |
59 |
3 |
0 |
0 |
| OW |
0 |
771 |
111 |
416 |
146 |
20 |
0 |
0 |
| VODI |
0 |
505 |
178 |
856 |
758 |
79 |
0 |
0 |
| ODI |
0 |
72 |
108 |
1097 |
1878 |
284 |
0 |
0 |
| CDI |
0 |
0 |
2 |
520 |
4066 |
7004 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
1241 |
10625 |
1192 |
0 |
|
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