Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-17
Data source: OSI SAF N.H. multi-product 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 |
9345 |
6912 |
135 |
85 |
0 |
0 |
0 |
0 |
| OW |
1 |
487 |
190 |
333 |
46 |
0 |
0 |
0 |
| VODI |
0 |
14 |
43 |
333 |
209 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
66 |
371 |
138 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
187 |
806 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
52 |
690 |
6058 |
6450 |
|
...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 |
7278 |
8575 |
281 |
257 |
2 |
0 |
0 |
0 |
| OW |
2 |
532 |
243 |
395 |
40 |
0 |
0 |
0 |
| VODI |
0 |
55 |
45 |
346 |
204 |
0 |
0 |
0 |
| ODI |
0 |
5 |
17 |
113 |
288 |
51 |
0 |
0 |
| CDI |
0 |
0 |
2 |
76 |
313 |
488 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
129 |
1010 |
5665 |
6650 |
|
...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 |
5034 |
9978 |
464 |
525 |
13 |
0 |
0 |
0 |
| OW |
0 |
274 |
166 |
633 |
86 |
0 |
0 |
0 |
| VODI |
0 |
18 |
8 |
423 |
394 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
459 |
39 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
231 |
593 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
957 |
5185 |
7528 |
|
...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 |
5111 |
7586 |
661 |
1382 |
62 |
0 |
0 |
0 |
| OW |
2 |
763 |
104 |
447 |
284 |
28 |
0 |
0 |
| VODI |
0 |
153 |
58 |
253 |
381 |
101 |
0 |
0 |
| ODI |
0 |
7 |
35 |
89 |
208 |
249 |
0 |
0 |
| CDI |
0 |
0 |
5 |
113 |
119 |
481 |
82 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
205 |
743 |
5529 |
7833 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5113 |
7804 |
687 |
1531 |
130 |
13 |
0 |
0 |
| OW |
0 |
562 |
89 |
331 |
283 |
29 |
0 |
0 |
| VODI |
0 |
137 |
51 |
242 |
352 |
135 |
0 |
0 |
| ODI |
0 |
6 |
31 |
68 |
173 |
229 |
0 |
0 |
| CDI |
0 |
0 |
5 |
108 |
115 |
447 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
206 |
749 |
5541 |
7833 |
|
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 |
5111 |
4981 |
442 |
901 |
527 |
237 |
0 |
0 |
| OW |
1 |
832 |
153 |
543 |
1377 |
113 |
0 |
0 |
| VODI |
0 |
273 |
64 |
406 |
540 |
236 |
6 |
0 |
| ODI |
0 |
68 |
16 |
176 |
262 |
286 |
1 |
0 |
| CDI |
0 |
28 |
38 |
103 |
167 |
519 |
127 |
0 |
| VCDI |
0 |
8 |
14 |
101 |
175 |
865 |
5626 |
7773 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5112 |
5213 |
484 |
1057 |
847 |
271 |
0 |
0 |
| OW |
0 |
639 |
136 |
463 |
1200 |
133 |
4 |
0 |
| VODI |
0 |
234 |
39 |
365 |
451 |
235 |
3 |
0 |
| ODI |
0 |
65 |
15 |
146 |
228 |
272 |
0 |
0 |
| CDI |
0 |
31 |
36 |
100 |
155 |
429 |
95 |
0 |
| VCDI |
0 |
8 |
17 |
99 |
167 |
916 |
5658 |
7773 |
|
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 |
4276 |
4235 |
348 |
701 |
94 |
14 |
0 |
0 |
| OW |
1 |
751 |
230 |
630 |
383 |
60 |
0 |
0 |
| VODI |
0 |
82 |
54 |
487 |
875 |
457 |
2 |
0 |
| ODI |
0 |
11 |
20 |
171 |
1280 |
811 |
29 |
0 |
| CDI |
0 |
1 |
4 |
109 |
688 |
1698 |
88 |
0 |
| VCDI |
0 |
0 |
0 |
32 |
186 |
1105 |
6253 |
6930 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4277 |
3823 |
307 |
943 |
656 |
297 |
1 |
0 |
| OW |
0 |
747 |
168 |
478 |
826 |
1004 |
37 |
0 |
| VODI |
0 |
348 |
96 |
356 |
871 |
701 |
56 |
0 |
| ODI |
0 |
69 |
27 |
117 |
501 |
378 |
9 |
0 |
| CDI |
0 |
86 |
43 |
102 |
365 |
532 |
121 |
0 |
| VCDI |
0 |
7 |
15 |
134 |
287 |
1233 |
6148 |
6930 |
|
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 |
3466 |
2931 |
249 |
1029 |
207 |
0 |
0 |
0 |
| OW |
0 |
425 |
85 |
583 |
477 |
106 |
0 |
0 |
| VODI |
0 |
63 |
47 |
564 |
844 |
663 |
1 |
0 |
| ODI |
0 |
23 |
8 |
147 |
624 |
1257 |
42 |
0 |
| CDI |
0 |
24 |
14 |
194 |
790 |
2828 |
198 |
0 |
| VCDI |
0 |
12 |
13 |
81 |
262 |
3210 |
7916 |
3713 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3466 |
2725 |
217 |
1118 |
324 |
206 |
4 |
0 |
| OW |
0 |
359 |
75 |
378 |
731 |
1154 |
90 |
0 |
| VODI |
0 |
204 |
60 |
546 |
957 |
1703 |
121 |
0 |
| ODI |
0 |
86 |
17 |
220 |
578 |
846 |
24 |
0 |
| CDI |
0 |
67 |
22 |
178 |
413 |
1398 |
262 |
0 |
| VCDI |
0 |
37 |
25 |
158 |
201 |
2757 |
7656 |
3713 |
|
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 |
3585 |
2439 |
109 |
227 |
496 |
3 |
0 |
0 |
| OW |
0 |
273 |
32 |
232 |
821 |
65 |
0 |
0 |
| VODI |
0 |
33 |
35 |
100 |
656 |
796 |
26 |
0 |
| ODI |
0 |
12 |
6 |
97 |
523 |
1393 |
241 |
0 |
| CDI |
0 |
15 |
19 |
167 |
438 |
3099 |
376 |
0 |
| VCDI |
0 |
2 |
9 |
89 |
239 |
4257 |
8880 |
3306 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3585 |
2182 |
86 |
289 |
829 |
74 |
0 |
0 |
| OW |
0 |
246 |
28 |
157 |
730 |
744 |
9 |
0 |
| VODI |
0 |
223 |
38 |
59 |
746 |
1991 |
423 |
0 |
| ODI |
0 |
68 |
22 |
67 |
424 |
1964 |
201 |
0 |
| CDI |
0 |
43 |
15 |
204 |
193 |
1938 |
486 |
0 |
| VCDI |
0 |
12 |
21 |
136 |
251 |
2902 |
8404 |
3306 |
|
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