Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-04:
| 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 |
12943 |
4417 |
118 |
48 |
1 |
0 |
0 |
0 |
| OW |
1 |
234 |
115 |
286 |
76 |
4 |
0 |
0 |
| VODI |
0 |
24 |
47 |
239 |
307 |
99 |
2 |
0 |
| ODI |
0 |
0 |
1 |
32 |
158 |
315 |
109 |
0 |
| CDI |
0 |
0 |
0 |
4 |
65 |
708 |
702 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
908 |
8881 |
1238 |
|
...date precedes bulletin
|
Date: 2024-10-06:
| 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 |
11597 |
5168 |
119 |
101 |
6 |
0 |
0 |
0 |
| OW |
1 |
234 |
119 |
273 |
135 |
12 |
0 |
0 |
| VODI |
0 |
32 |
35 |
160 |
445 |
103 |
2 |
0 |
| ODI |
0 |
1 |
2 |
44 |
168 |
402 |
85 |
0 |
| CDI |
0 |
0 |
0 |
10 |
68 |
635 |
850 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
456 |
7431 |
3388 |
|
...date precedes bulletin
|
Date: 2024-10-08:
| 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 |
11949 |
4292 |
90 |
67 |
9 |
1 |
0 |
0 |
| OW |
1 |
262 |
95 |
144 |
28 |
7 |
0 |
0 |
| VODI |
0 |
48 |
86 |
246 |
168 |
23 |
0 |
0 |
| ODI |
0 |
0 |
1 |
71 |
374 |
217 |
4 |
0 |
| CDI |
0 |
0 |
0 |
6 |
136 |
929 |
411 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
572 |
8230 |
3613 |
|
...date precedes bulletin
|
Date: 2024-10-10:
| 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 |
9281 |
6097 |
236 |
146 |
7 |
0 |
0 |
0 |
| OW |
1 |
482 |
128 |
154 |
76 |
10 |
0 |
0 |
| VODI |
0 |
57 |
59 |
200 |
204 |
65 |
0 |
0 |
| ODI |
0 |
1 |
4 |
51 |
210 |
360 |
7 |
0 |
| CDI |
0 |
0 |
0 |
17 |
93 |
650 |
586 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
709 |
8415 |
3765 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9281 |
6128 |
260 |
186 |
11 |
0 |
0 |
0 |
| OW |
1 |
432 |
106 |
146 |
95 |
14 |
0 |
0 |
| VODI |
0 |
74 |
53 |
168 |
223 |
118 |
0 |
0 |
| ODI |
0 |
3 |
8 |
51 |
166 |
402 |
21 |
0 |
| CDI |
0 |
0 |
0 |
17 |
92 |
554 |
583 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
706 |
8404 |
3765 |
|
Date: 2024-10-12:
| 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 |
7693 |
7707 |
176 |
147 |
3 |
0 |
0 |
0 |
| OW |
26 |
622 |
104 |
175 |
38 |
0 |
0 |
0 |
| VODI |
0 |
135 |
75 |
195 |
149 |
5 |
0 |
0 |
| ODI |
0 |
32 |
29 |
116 |
230 |
96 |
0 |
0 |
| CDI |
0 |
12 |
13 |
52 |
252 |
574 |
71 |
0 |
| VCDI |
0 |
2 |
5 |
22 |
111 |
950 |
8739 |
3526 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
7707 |
7785 |
210 |
186 |
4 |
0 |
0 |
0 |
| OW |
12 |
525 |
88 |
172 |
45 |
0 |
0 |
0 |
| VODI |
0 |
150 |
56 |
183 |
190 |
19 |
0 |
0 |
| ODI |
0 |
34 |
28 |
89 |
232 |
151 |
0 |
0 |
| CDI |
0 |
16 |
19 |
56 |
204 |
548 |
91 |
0 |
| VCDI |
0 |
0 |
1 |
21 |
108 |
907 |
8719 |
3526 |
|
Date: 2024-10-14:
| 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 |
6130 |
8803 |
348 |
246 |
5 |
0 |
0 |
0 |
| OW |
17 |
442 |
170 |
248 |
26 |
0 |
0 |
0 |
| VODI |
0 |
35 |
104 |
453 |
160 |
2 |
0 |
0 |
| ODI |
0 |
2 |
9 |
104 |
438 |
63 |
0 |
0 |
| CDI |
0 |
0 |
2 |
27 |
169 |
737 |
72 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
31 |
693 |
5919 |
6619 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6125 |
8771 |
416 |
452 |
29 |
0 |
0 |
0 |
| OW |
20 |
424 |
120 |
293 |
103 |
0 |
0 |
0 |
| VODI |
2 |
69 |
44 |
187 |
278 |
42 |
0 |
0 |
| ODI |
0 |
13 |
36 |
53 |
189 |
157 |
15 |
0 |
| CDI |
0 |
5 |
15 |
73 |
148 |
469 |
82 |
0 |
| VCDI |
0 |
0 |
2 |
28 |
82 |
827 |
5894 |
6619 |
|
Date: 2024-10-16:
| 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 |
4026 |
9389 |
625 |
769 |
69 |
16 |
0 |
0 |
| OW |
19 |
402 |
104 |
350 |
236 |
31 |
0 |
0 |
| VODI |
0 |
42 |
37 |
144 |
443 |
91 |
0 |
0 |
| ODI |
0 |
12 |
14 |
31 |
137 |
323 |
4 |
0 |
| CDI |
0 |
6 |
13 |
52 |
129 |
354 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
87 |
754 |
6682 |
6540 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3979 |
9212 |
620 |
883 |
291 |
72 |
0 |
0 |
| OW |
58 |
459 |
86 |
228 |
263 |
149 |
5 |
0 |
| VODI |
8 |
107 |
42 |
109 |
211 |
250 |
39 |
0 |
| ODI |
0 |
36 |
18 |
44 |
90 |
149 |
88 |
0 |
| CDI |
0 |
34 |
21 |
53 |
105 |
248 |
178 |
0 |
| VCDI |
0 |
3 |
6 |
31 |
141 |
701 |
6525 |
6540 |
|
Date: 2024-10-18:
| 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 |
5096 |
5936 |
339 |
847 |
919 |
26 |
0 |
0 |
| OW |
15 |
840 |
142 |
487 |
593 |
77 |
0 |
0 |
| VODI |
1 |
157 |
39 |
193 |
280 |
246 |
3 |
0 |
| ODI |
0 |
62 |
5 |
32 |
141 |
272 |
17 |
0 |
| CDI |
0 |
77 |
24 |
47 |
99 |
466 |
128 |
0 |
| VCDI |
0 |
34 |
30 |
52 |
131 |
785 |
8483 |
4961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5100 |
5789 |
394 |
1059 |
1216 |
122 |
0 |
0 |
| OW |
12 |
716 |
74 |
276 |
429 |
229 |
7 |
0 |
| VODI |
0 |
275 |
43 |
134 |
218 |
324 |
24 |
0 |
| ODI |
0 |
92 |
8 |
44 |
67 |
255 |
68 |
0 |
| CDI |
0 |
140 |
7 |
42 |
49 |
279 |
308 |
0 |
| VCDI |
0 |
94 |
53 |
103 |
184 |
663 |
8224 |
4961 |
|
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