Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-31
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-10-27:
| 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 |
1911 |
4170 |
107 |
169 |
116 |
51 |
0 |
0 |
| OW |
0 |
291 |
56 |
202 |
366 |
404 |
3 |
0 |
| VODI |
0 |
57 |
45 |
47 |
287 |
579 |
51 |
0 |
| ODI |
0 |
8 |
29 |
56 |
334 |
1091 |
104 |
0 |
| CDI |
0 |
0 |
7 |
191 |
356 |
2991 |
407 |
0 |
| VCDI |
0 |
0 |
0 |
35 |
536 |
4564 |
8254 |
5221 |
|
...date precedes bulletin
|
Date: 2024-10-29:
| 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 |
3838 |
2348 |
48 |
96 |
26 |
0 |
0 |
0 |
| OW |
0 |
291 |
95 |
191 |
47 |
0 |
0 |
0 |
| VODI |
0 |
26 |
37 |
232 |
166 |
13 |
0 |
0 |
| ODI |
0 |
0 |
1 |
133 |
332 |
214 |
6 |
0 |
| CDI |
0 |
0 |
0 |
23 |
544 |
2184 |
422 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
325 |
6254 |
9605 |
5599 |
|
...date precedes bulletin
|
Date: 2024-10-31:
| 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 |
4340 |
2199 |
27 |
21 |
4 |
0 |
0 |
0 |
| OW |
0 |
397 |
85 |
114 |
28 |
0 |
0 |
0 |
| VODI |
0 |
135 |
51 |
171 |
87 |
6 |
0 |
0 |
| ODI |
0 |
15 |
40 |
141 |
303 |
79 |
19 |
0 |
| CDI |
0 |
0 |
8 |
157 |
566 |
994 |
139 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
343 |
6144 |
10443 |
6033 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4340 |
2152 |
34 |
28 |
12 |
0 |
0 |
0 |
| OW |
0 |
406 |
82 |
92 |
26 |
0 |
0 |
0 |
| VODI |
0 |
162 |
39 |
173 |
66 |
11 |
0 |
0 |
| ODI |
0 |
23 |
41 |
118 |
276 |
76 |
18 |
0 |
| CDI |
0 |
3 |
14 |
173 |
534 |
962 |
166 |
0 |
| VCDI |
0 |
0 |
1 |
27 |
417 |
6174 |
10417 |
6033 |
|
Date: 2024-11-02:
| 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 |
4195 |
2230 |
30 |
6 |
2 |
0 |
0 |
0 |
| OW |
0 |
314 |
66 |
201 |
30 |
0 |
0 |
0 |
| VODI |
0 |
137 |
81 |
240 |
131 |
3 |
0 |
0 |
| ODI |
0 |
13 |
14 |
156 |
338 |
55 |
17 |
0 |
| CDI |
0 |
0 |
0 |
129 |
621 |
719 |
125 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
317 |
4880 |
9741 |
8292 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4195 |
2241 |
35 |
18 |
1 |
0 |
0 |
0 |
| OW |
0 |
303 |
47 |
149 |
30 |
0 |
0 |
0 |
| VODI |
0 |
137 |
88 |
285 |
103 |
8 |
0 |
0 |
| ODI |
0 |
10 |
14 |
132 |
277 |
64 |
23 |
0 |
| CDI |
0 |
3 |
7 |
133 |
603 |
629 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
425 |
4956 |
9716 |
8292 |
|
Date: 2024-11-04:
| 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 |
3740 |
2297 |
56 |
36 |
0 |
0 |
0 |
0 |
| OW |
0 |
219 |
120 |
104 |
2 |
0 |
0 |
0 |
| VODI |
0 |
53 |
46 |
427 |
104 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
195 |
449 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
875 |
918 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
175 |
3911 |
10639 |
8599 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3740 |
2372 |
71 |
62 |
0 |
0 |
0 |
0 |
| OW |
0 |
182 |
97 |
133 |
20 |
0 |
0 |
0 |
| VODI |
0 |
15 |
49 |
411 |
196 |
4 |
0 |
0 |
| ODI |
0 |
0 |
5 |
93 |
340 |
72 |
1 |
0 |
| CDI |
0 |
0 |
0 |
70 |
518 |
404 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
531 |
4402 |
10668 |
8599 |
|
Date: 2024-11-06:
| 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 |
3011 |
2342 |
82 |
129 |
6 |
0 |
0 |
0 |
| OW |
0 |
108 |
68 |
257 |
54 |
0 |
0 |
0 |
| VODI |
0 |
1 |
11 |
271 |
194 |
0 |
0 |
0 |
| ODI |
0 |
0 |
4 |
102 |
473 |
104 |
0 |
0 |
| CDI |
0 |
3 |
11 |
42 |
431 |
897 |
9 |
0 |
| VCDI |
0 |
0 |
10 |
90 |
920 |
5655 |
6760 |
11051 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3011 |
2277 |
86 |
175 |
7 |
0 |
0 |
0 |
| OW |
0 |
141 |
40 |
219 |
47 |
0 |
0 |
0 |
| VODI |
0 |
33 |
32 |
228 |
253 |
4 |
0 |
0 |
| ODI |
0 |
0 |
10 |
113 |
362 |
148 |
0 |
0 |
| CDI |
0 |
2 |
6 |
49 |
265 |
653 |
3 |
0 |
| VCDI |
0 |
1 |
12 |
107 |
1144 |
5851 |
6766 |
11051 |
|
Date: 2024-11-08:
| 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 |
2865 |
2218 |
87 |
97 |
40 |
0 |
0 |
0 |
| OW |
0 |
126 |
101 |
164 |
68 |
0 |
0 |
0 |
| VODI |
0 |
13 |
34 |
279 |
183 |
36 |
0 |
0 |
| ODI |
0 |
0 |
3 |
92 |
258 |
148 |
2 |
0 |
| CDI |
0 |
0 |
0 |
13 |
328 |
836 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
180 |
4708 |
6598 |
13603 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2865 |
1917 |
50 |
32 |
0 |
0 |
0 |
0 |
| OW |
0 |
265 |
68 |
160 |
28 |
0 |
0 |
0 |
| VODI |
0 |
161 |
89 |
210 |
190 |
11 |
0 |
0 |
| ODI |
0 |
14 |
13 |
170 |
247 |
111 |
0 |
0 |
| CDI |
0 |
0 |
5 |
70 |
270 |
530 |
9 |
4 |
| VCDI |
0 |
0 |
0 |
3 |
322 |
5076 |
6607 |
13599 |
|
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