Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-10
Data source: OSI SAF N.H. multi-product 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 |
13712 |
4549 |
165 |
71 |
1 |
0 |
0 |
0 |
| OW |
0 |
98 |
154 |
427 |
55 |
0 |
0 |
0 |
| VODI |
0 |
1 |
10 |
335 |
347 |
30 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
325 |
269 |
25 |
0 |
| CDI |
0 |
0 |
0 |
0 |
95 |
981 |
412 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1224 |
7765 |
2035 |
|
...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 |
12727 |
4900 |
162 |
163 |
4 |
0 |
0 |
0 |
| OW |
0 |
67 |
123 |
481 |
123 |
2 |
0 |
0 |
| VODI |
0 |
2 |
12 |
214 |
511 |
43 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
277 |
388 |
17 |
0 |
| CDI |
0 |
0 |
0 |
0 |
93 |
796 |
685 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
648 |
6063 |
4564 |
|
...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 |
11373 |
5731 |
156 |
91 |
5 |
0 |
0 |
0 |
| OW |
0 |
142 |
127 |
242 |
38 |
0 |
0 |
0 |
| VODI |
0 |
13 |
41 |
338 |
187 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
102 |
494 |
80 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
210 |
1129 |
160 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
478 |
7113 |
4839 |
|
...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 |
10410 |
5980 |
123 |
167 |
6 |
0 |
0 |
0 |
| OW |
4 |
335 |
126 |
342 |
76 |
0 |
0 |
0 |
| VODI |
0 |
2 |
23 |
300 |
247 |
23 |
0 |
0 |
| ODI |
0 |
0 |
0 |
41 |
385 |
221 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
171 |
800 |
381 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
801 |
5621 |
6487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10413 |
5998 |
137 |
233 |
7 |
0 |
0 |
0 |
| OW |
1 |
312 |
107 |
304 |
99 |
1 |
0 |
0 |
| VODI |
0 |
7 |
28 |
270 |
288 |
54 |
0 |
0 |
| ODI |
0 |
0 |
0 |
44 |
329 |
292 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
159 |
685 |
409 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
813 |
5593 |
6487 |
|
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 |
8210 |
7910 |
195 |
170 |
1 |
0 |
0 |
0 |
| OW |
1 |
523 |
205 |
352 |
32 |
0 |
0 |
0 |
| VODI |
0 |
41 |
49 |
349 |
175 |
0 |
0 |
0 |
| ODI |
0 |
4 |
16 |
123 |
330 |
42 |
0 |
0 |
| CDI |
0 |
0 |
2 |
52 |
302 |
616 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
115 |
987 |
6039 |
6226 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8205 |
7966 |
257 |
251 |
1 |
0 |
0 |
0 |
| OW |
6 |
448 |
130 |
331 |
46 |
0 |
0 |
0 |
| VODI |
0 |
56 |
64 |
298 |
235 |
3 |
0 |
0 |
| ODI |
0 |
8 |
14 |
106 |
318 |
101 |
0 |
0 |
| CDI |
0 |
0 |
2 |
68 |
228 |
622 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
127 |
919 |
6030 |
6226 |
|
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 |
6585 |
9004 |
317 |
282 |
1 |
0 |
0 |
0 |
| OW |
20 |
430 |
278 |
389 |
24 |
0 |
0 |
0 |
| VODI |
1 |
12 |
15 |
648 |
152 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
68 |
548 |
8 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
277 |
715 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
870 |
5123 |
7264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6584 |
8907 |
395 |
555 |
37 |
0 |
0 |
0 |
| OW |
20 |
467 |
149 |
373 |
117 |
0 |
0 |
0 |
| VODI |
2 |
70 |
51 |
287 |
302 |
23 |
0 |
0 |
| ODI |
0 |
2 |
15 |
101 |
234 |
119 |
2 |
0 |
| CDI |
0 |
0 |
0 |
70 |
221 |
474 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
132 |
977 |
5094 |
7264 |
|
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 |
4607 |
9640 |
491 |
687 |
67 |
1 |
0 |
0 |
| OW |
2 |
423 |
138 |
542 |
210 |
25 |
0 |
0 |
| VODI |
0 |
39 |
30 |
301 |
531 |
18 |
0 |
0 |
| ODI |
0 |
0 |
2 |
50 |
273 |
208 |
0 |
0 |
| CDI |
0 |
0 |
0 |
52 |
187 |
457 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
104 |
805 |
5496 |
7694 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4606 |
9362 |
481 |
850 |
251 |
54 |
0 |
0 |
| OW |
3 |
525 |
81 |
350 |
332 |
92 |
0 |
0 |
| VODI |
0 |
197 |
58 |
185 |
343 |
183 |
0 |
0 |
| ODI |
0 |
16 |
29 |
125 |
129 |
199 |
10 |
0 |
| CDI |
0 |
2 |
12 |
95 |
135 |
282 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
182 |
704 |
5374 |
7694 |
|
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 |
5168 |
6011 |
446 |
1070 |
924 |
0 |
0 |
0 |
| OW |
0 |
854 |
139 |
678 |
599 |
73 |
0 |
0 |
| VODI |
0 |
191 |
64 |
298 |
370 |
194 |
0 |
0 |
| ODI |
0 |
62 |
26 |
119 |
200 |
246 |
3 |
0 |
| CDI |
0 |
26 |
31 |
96 |
116 |
451 |
133 |
0 |
| VCDI |
0 |
3 |
12 |
80 |
192 |
793 |
5635 |
7793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5168 |
5825 |
465 |
1342 |
1252 |
71 |
0 |
0 |
| OW |
0 |
706 |
88 |
400 |
453 |
204 |
0 |
0 |
| VODI |
0 |
352 |
72 |
199 |
273 |
301 |
29 |
0 |
| ODI |
0 |
129 |
20 |
159 |
100 |
253 |
54 |
0 |
| CDI |
0 |
119 |
28 |
74 |
58 |
300 |
285 |
0 |
| VCDI |
0 |
16 |
45 |
167 |
265 |
628 |
5403 |
7793 |
|
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