Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-17
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-11:
| 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 |
8714 |
6676 |
164 |
113 |
1 |
0 |
0 |
0 |
| OW |
1 |
636 |
88 |
150 |
42 |
0 |
0 |
0 |
| VODI |
0 |
132 |
65 |
221 |
168 |
5 |
0 |
0 |
| ODI |
0 |
19 |
15 |
80 |
265 |
183 |
0 |
0 |
| CDI |
0 |
8 |
8 |
31 |
154 |
734 |
188 |
0 |
| VCDI |
0 |
0 |
1 |
10 |
41 |
800 |
7888 |
4481 |
|
...date precedes bulletin
|
Date: 2024-10-13:
| 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 |
6639 |
8279 |
380 |
344 |
30 |
0 |
0 |
0 |
| OW |
33 |
603 |
135 |
216 |
43 |
1 |
0 |
0 |
| VODI |
0 |
116 |
54 |
229 |
177 |
13 |
0 |
0 |
| ODI |
0 |
30 |
34 |
86 |
226 |
82 |
3 |
0 |
| CDI |
0 |
22 |
11 |
77 |
202 |
516 |
57 |
0 |
| VCDI |
0 |
4 |
9 |
25 |
95 |
1055 |
8602 |
3654 |
|
...date precedes bulletin
|
Date: 2024-10-15:
| 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 |
4522 |
9824 |
461 |
554 |
29 |
0 |
0 |
0 |
| OW |
16 |
250 |
137 |
388 |
127 |
0 |
0 |
0 |
| VODI |
0 |
10 |
29 |
260 |
423 |
19 |
0 |
0 |
| ODI |
0 |
0 |
7 |
40 |
293 |
181 |
2 |
0 |
| CDI |
0 |
0 |
0 |
17 |
133 |
593 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
44 |
764 |
5593 |
7284 |
|
...date precedes bulletin
|
Date: 2024-10-17:
| 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 |
5349 |
6749 |
539 |
1393 |
238 |
9 |
0 |
0 |
| OW |
13 |
664 |
131 |
244 |
313 |
52 |
0 |
0 |
| VODI |
0 |
102 |
61 |
128 |
279 |
202 |
0 |
0 |
| ODI |
0 |
42 |
14 |
41 |
118 |
306 |
5 |
0 |
| CDI |
0 |
32 |
22 |
62 |
81 |
444 |
152 |
0 |
| VCDI |
0 |
4 |
6 |
41 |
137 |
738 |
8943 |
4428 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5356 |
6926 |
564 |
1494 |
333 |
26 |
0 |
0 |
| OW |
6 |
482 |
123 |
153 |
275 |
70 |
0 |
0 |
| VODI |
0 |
112 |
43 |
130 |
258 |
216 |
0 |
0 |
| ODI |
0 |
37 |
13 |
34 |
85 |
292 |
7 |
0 |
| CDI |
0 |
33 |
23 |
53 |
78 |
404 |
138 |
0 |
| VCDI |
0 |
3 |
7 |
45 |
137 |
743 |
8955 |
4428 |
|
Date: 2024-10-19:
| 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 |
4917 |
4999 |
347 |
671 |
645 |
207 |
0 |
0 |
| OW |
12 |
881 |
147 |
387 |
1238 |
211 |
1 |
0 |
| VODI |
9 |
247 |
88 |
250 |
488 |
228 |
29 |
0 |
| ODI |
0 |
74 |
4 |
56 |
174 |
297 |
10 |
0 |
| CDI |
0 |
91 |
23 |
37 |
134 |
489 |
142 |
0 |
| VCDI |
0 |
35 |
39 |
89 |
111 |
866 |
5981 |
7428 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4919 |
5253 |
382 |
776 |
921 |
292 |
0 |
0 |
| OW |
11 |
678 |
143 |
313 |
1103 |
176 |
9 |
0 |
| VODI |
8 |
200 |
57 |
246 |
391 |
222 |
23 |
0 |
| ODI |
0 |
66 |
4 |
31 |
158 |
280 |
15 |
0 |
| CDI |
0 |
95 |
24 |
35 |
118 |
404 |
107 |
0 |
| VCDI |
0 |
35 |
38 |
89 |
99 |
924 |
6009 |
7428 |
|
Date: 2024-10-21:
| 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 |
3716 |
4576 |
312 |
500 |
177 |
15 |
0 |
0 |
| OW |
0 |
940 |
156 |
352 |
431 |
95 |
0 |
0 |
| VODI |
0 |
138 |
66 |
300 |
733 |
597 |
29 |
0 |
| ODI |
0 |
58 |
21 |
67 |
1115 |
815 |
73 |
0 |
| CDI |
0 |
25 |
40 |
59 |
538 |
1474 |
222 |
0 |
| VCDI |
0 |
0 |
9 |
87 |
124 |
1345 |
8565 |
4312 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3716 |
4173 |
326 |
645 |
667 |
383 |
13 |
0 |
| OW |
0 |
835 |
120 |
294 |
839 |
1011 |
92 |
0 |
| VODI |
0 |
427 |
68 |
235 |
757 |
656 |
155 |
0 |
| ODI |
0 |
88 |
9 |
38 |
396 |
364 |
35 |
0 |
| CDI |
0 |
167 |
20 |
18 |
231 |
466 |
123 |
0 |
| VCDI |
0 |
47 |
61 |
135 |
228 |
1461 |
8471 |
4312 |
|
Date: 2024-10-23:
| 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 |
3456 |
2876 |
283 |
604 |
307 |
3 |
0 |
0 |
| OW |
0 |
459 |
165 |
433 |
380 |
190 |
0 |
0 |
| VODI |
0 |
125 |
78 |
380 |
793 |
765 |
10 |
0 |
| ODI |
0 |
39 |
38 |
126 |
492 |
1266 |
57 |
0 |
| CDI |
0 |
46 |
23 |
158 |
728 |
2544 |
361 |
0 |
| VCDI |
0 |
58 |
16 |
96 |
172 |
3527 |
9169 |
1859 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3456 |
2656 |
278 |
706 |
391 |
222 |
2 |
0 |
| OW |
0 |
419 |
111 |
280 |
665 |
1178 |
93 |
0 |
| VODI |
0 |
272 |
93 |
351 |
883 |
1785 |
142 |
0 |
| ODI |
0 |
70 |
48 |
157 |
493 |
797 |
59 |
0 |
| CDI |
0 |
85 |
44 |
137 |
305 |
1214 |
364 |
0 |
| VCDI |
0 |
101 |
29 |
166 |
135 |
3099 |
8937 |
1859 |
|
Date: 2024-10-25:
| 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 |
3441 |
2391 |
76 |
154 |
452 |
17 |
0 |
0 |
| OW |
0 |
305 |
83 |
216 |
615 |
164 |
0 |
0 |
| VODI |
0 |
45 |
55 |
104 |
650 |
716 |
39 |
0 |
| ODI |
0 |
25 |
29 |
81 |
667 |
1235 |
211 |
0 |
| CDI |
0 |
18 |
26 |
185 |
593 |
2805 |
388 |
0 |
| VCDI |
0 |
7 |
17 |
156 |
272 |
4169 |
9836 |
1839 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3441 |
2145 |
78 |
229 |
689 |
135 |
0 |
0 |
| OW |
0 |
282 |
51 |
129 |
715 |
678 |
20 |
0 |
| VODI |
0 |
232 |
35 |
90 |
833 |
1868 |
371 |
0 |
| ODI |
0 |
51 |
31 |
82 |
584 |
1689 |
230 |
0 |
| CDI |
0 |
70 |
61 |
149 |
240 |
1681 |
505 |
0 |
| VCDI |
0 |
11 |
30 |
217 |
188 |
3055 |
9348 |
1839 |
|
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