Validation of sea ice concentration - Asian sector
Bulletin date: 2024-10-03
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-27:
| 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 |
14091 |
4872 |
123 |
52 |
0 |
0 |
0 |
0 |
| OW |
0 |
203 |
175 |
431 |
11 |
0 |
0 |
0 |
| VODI |
0 |
34 |
23 |
366 |
378 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
49 |
535 |
140 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
132 |
1489 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
30 |
2005 |
6181 |
1509 |
|
...date precedes bulletin
|
Date: 2024-09-29:
| 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 |
13858 |
4844 |
81 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
261 |
202 |
467 |
11 |
0 |
0 |
0 |
| VODI |
0 |
31 |
20 |
343 |
410 |
7 |
0 |
0 |
| ODI |
0 |
0 |
3 |
45 |
405 |
177 |
0 |
0 |
| CDI |
0 |
0 |
0 |
21 |
133 |
924 |
681 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
41 |
969 |
8164 |
964 |
|
...date precedes bulletin
|
Date: 2024-10-01:
| 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 |
13770 |
4985 |
124 |
34 |
1 |
0 |
0 |
0 |
| OW |
0 |
126 |
182 |
324 |
5 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
479 |
149 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
20 |
519 |
68 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
175 |
877 |
53 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
711 |
8332 |
2158 |
|
...date precedes bulletin
|
Date: 2024-10-03:
| 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 |
13936 |
4551 |
120 |
65 |
0 |
0 |
0 |
0 |
| OW |
0 |
157 |
186 |
362 |
29 |
1 |
0 |
0 |
| VODI |
0 |
3 |
13 |
447 |
193 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
25 |
451 |
120 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
163 |
995 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1620 |
6873 |
2653 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13936 |
4618 |
161 |
97 |
1 |
0 |
0 |
0 |
| OW |
0 |
93 |
155 |
367 |
39 |
1 |
0 |
0 |
| VODI |
0 |
0 |
3 |
409 |
220 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
26 |
407 |
122 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
169 |
950 |
146 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1666 |
6848 |
2653 |
|
Date: 2024-10-05:
| 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 |
13236 |
4644 |
164 |
200 |
13 |
0 |
0 |
0 |
| OW |
0 |
54 |
121 |
436 |
121 |
3 |
0 |
0 |
| VODI |
0 |
2 |
6 |
209 |
474 |
65 |
1 |
0 |
| ODI |
0 |
0 |
0 |
13 |
242 |
361 |
51 |
0 |
| CDI |
0 |
0 |
0 |
0 |
82 |
687 |
667 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
660 |
5973 |
4611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13236 |
4659 |
202 |
240 |
21 |
0 |
0 |
0 |
| OW |
0 |
40 |
85 |
404 |
136 |
2 |
0 |
0 |
| VODI |
0 |
1 |
4 |
211 |
460 |
91 |
0 |
0 |
| ODI |
0 |
0 |
0 |
3 |
232 |
339 |
46 |
0 |
| CDI |
0 |
0 |
0 |
0 |
83 |
645 |
554 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
699 |
6092 |
4611 |
|
Date: 2024-10-07:
| 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 |
12509 |
4878 |
119 |
96 |
2 |
0 |
0 |
0 |
| OW |
0 |
124 |
154 |
230 |
20 |
0 |
0 |
0 |
| VODI |
0 |
3 |
13 |
428 |
159 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
85 |
551 |
61 |
52 |
0 |
| CDI |
0 |
0 |
0 |
2 |
252 |
1042 |
96 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
296 |
7325 |
4591 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12509 |
4806 |
150 |
183 |
16 |
0 |
0 |
0 |
| OW |
0 |
185 |
124 |
335 |
132 |
11 |
0 |
0 |
| VODI |
0 |
14 |
11 |
288 |
451 |
55 |
0 |
0 |
| ODI |
0 |
0 |
1 |
35 |
307 |
388 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
78 |
743 |
692 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
210 |
6771 |
4591 |
|
Date: 2024-10-09:
| 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 |
12155 |
4552 |
214 |
152 |
6 |
0 |
0 |
0 |
| OW |
0 |
132 |
117 |
346 |
44 |
0 |
0 |
0 |
| VODI |
0 |
7 |
22 |
322 |
221 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
45 |
500 |
137 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
174 |
979 |
248 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
809 |
6812 |
5085 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12097 |
4200 |
205 |
227 |
12 |
0 |
0 |
0 |
| OW |
58 |
445 |
111 |
328 |
154 |
22 |
0 |
0 |
| VODI |
0 |
34 |
29 |
256 |
411 |
105 |
0 |
0 |
| ODI |
0 |
12 |
7 |
45 |
276 |
396 |
21 |
0 |
| CDI |
0 |
0 |
1 |
11 |
93 |
745 |
480 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
666 |
6559 |
5085 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9304 |
6802 |
201 |
234 |
11 |
0 |
0 |
0 |
| OW |
42 |
511 |
110 |
298 |
159 |
8 |
0 |
0 |
| VODI |
0 |
85 |
46 |
235 |
378 |
112 |
0 |
0 |
| ODI |
0 |
14 |
7 |
45 |
186 |
384 |
14 |
0 |
| CDI |
0 |
1 |
4 |
33 |
113 |
595 |
349 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
18 |
539 |
5807 |
6450 |
|
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