Validation of sea ice concentration - Asian sector
Bulletin date: 2024-09-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-20:
| 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 |
14990 |
4298 |
58 |
27 |
0 |
0 |
0 |
0 |
| OW |
0 |
498 |
208 |
460 |
18 |
0 |
0 |
0 |
| VODI |
0 |
57 |
74 |
648 |
452 |
27 |
0 |
0 |
| ODI |
0 |
0 |
4 |
121 |
965 |
433 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
126 |
3408 |
374 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2949 |
2901 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-22:
| 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 |
15210 |
4038 |
34 |
23 |
0 |
0 |
0 |
0 |
| OW |
0 |
516 |
191 |
418 |
24 |
0 |
0 |
0 |
| VODI |
0 |
52 |
85 |
554 |
447 |
21 |
0 |
0 |
| ODI |
0 |
0 |
2 |
89 |
687 |
365 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
51 |
2842 |
262 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3324 |
3859 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-24:
| 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 |
14423 |
4740 |
66 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
352 |
190 |
315 |
8 |
0 |
0 |
0 |
| VODI |
0 |
14 |
21 |
554 |
292 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
641 |
137 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
148 |
1801 |
450 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
1113 |
7076 |
663 |
|
...date precedes bulletin
|
Date: 2024-09-26:
| 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 |
14297 |
4835 |
46 |
55 |
0 |
0 |
0 |
0 |
| OW |
0 |
272 |
214 |
289 |
31 |
0 |
0 |
0 |
| VODI |
0 |
26 |
26 |
440 |
286 |
23 |
0 |
0 |
| ODI |
0 |
0 |
2 |
71 |
514 |
162 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
115 |
1657 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
31 |
1572 |
6676 |
1181 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14297 |
4842 |
65 |
60 |
0 |
0 |
0 |
0 |
| OW |
0 |
273 |
187 |
300 |
53 |
0 |
0 |
0 |
| VODI |
0 |
18 |
35 |
425 |
267 |
28 |
0 |
0 |
| ODI |
0 |
0 |
1 |
70 |
467 |
159 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
157 |
1734 |
294 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
33 |
1493 |
6639 |
1181 |
|
Date: 2024-09-28:
| 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 |
14349 |
4531 |
122 |
40 |
0 |
0 |
0 |
0 |
| OW |
0 |
202 |
150 |
480 |
11 |
0 |
0 |
0 |
| VODI |
0 |
28 |
24 |
317 |
422 |
5 |
0 |
0 |
| ODI |
0 |
0 |
3 |
47 |
433 |
171 |
0 |
0 |
| CDI |
0 |
0 |
0 |
22 |
174 |
1372 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
2019 |
6653 |
1245 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14349 |
4584 |
141 |
74 |
0 |
0 |
0 |
0 |
| OW |
0 |
163 |
132 |
464 |
15 |
0 |
0 |
0 |
| VODI |
0 |
14 |
23 |
303 |
401 |
5 |
0 |
0 |
| ODI |
0 |
0 |
3 |
46 |
440 |
170 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
181 |
1512 |
271 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
45 |
1880 |
6616 |
1245 |
|
Date: 2024-09-30:
| 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 |
13780 |
4981 |
89 |
38 |
0 |
0 |
0 |
0 |
| OW |
0 |
146 |
191 |
283 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
3 |
529 |
137 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
611 |
51 |
3 |
0 |
| CDI |
0 |
0 |
0 |
1 |
183 |
875 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
514 |
8856 |
1761 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13780 |
4960 |
120 |
91 |
1 |
0 |
0 |
0 |
| OW |
0 |
154 |
142 |
389 |
54 |
0 |
0 |
0 |
| VODI |
0 |
13 |
20 |
351 |
354 |
58 |
0 |
0 |
| ODI |
0 |
0 |
1 |
40 |
363 |
216 |
0 |
0 |
| CDI |
0 |
0 |
0 |
13 |
150 |
741 |
812 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
434 |
8063 |
1761 |
|
Date: 2024-10-02:
| 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 |
14108 |
4520 |
133 |
67 |
0 |
0 |
0 |
0 |
| OW |
0 |
150 |
168 |
345 |
14 |
0 |
0 |
0 |
| VODI |
0 |
0 |
6 |
454 |
167 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
33 |
472 |
84 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
165 |
930 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1251 |
7554 |
2418 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14108 |
4406 |
134 |
160 |
14 |
2 |
0 |
0 |
| OW |
0 |
241 |
119 |
308 |
90 |
16 |
0 |
0 |
| VODI |
0 |
23 |
51 |
352 |
254 |
153 |
2 |
0 |
| ODI |
0 |
0 |
3 |
71 |
315 |
226 |
20 |
0 |
| CDI |
0 |
0 |
0 |
8 |
135 |
1038 |
542 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
835 |
7042 |
2418 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13712 |
4522 |
186 |
171 |
35 |
1 |
0 |
0 |
| OW |
0 |
126 |
134 |
386 |
132 |
27 |
0 |
0 |
| VODI |
0 |
0 |
9 |
267 |
388 |
188 |
21 |
0 |
| ODI |
0 |
0 |
0 |
16 |
209 |
337 |
85 |
0 |
| CDI |
0 |
0 |
0 |
0 |
62 |
1022 |
432 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
929 |
7664 |
2035 |
|
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