Validation of sea ice concentration - Asian sector
Bulletin date: 2020-10-22
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-10-16:
| 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 |
17205 |
6495 |
58 |
194 |
39 |
0 |
0 |
0 |
| OW |
14 |
360 |
45 |
290 |
190 |
1 |
0 |
0 |
| VODI |
17 |
32 |
11 |
160 |
385 |
49 |
0 |
0 |
| ODI |
0 |
0 |
0 |
29 |
292 |
147 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
127 |
395 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
2111 |
3309 |
0 |
|
...date precedes bulletin
|
Date: 2020-10-18:
| 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 |
16866 |
6266 |
38 |
108 |
19 |
0 |
0 |
0 |
| OW |
14 |
479 |
56 |
295 |
179 |
1 |
0 |
0 |
| VODI |
19 |
26 |
12 |
212 |
453 |
117 |
0 |
0 |
| ODI |
0 |
0 |
0 |
16 |
301 |
214 |
27 |
0 |
| CDI |
0 |
0 |
0 |
2 |
130 |
313 |
119 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
1175 |
4565 |
38 |
|
...date precedes bulletin
|
Date: 2020-10-20:
| 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 |
15312 |
7329 |
60 |
147 |
19 |
0 |
0 |
0 |
| OW |
16 |
317 |
43 |
303 |
70 |
0 |
0 |
0 |
| VODI |
30 |
15 |
6 |
224 |
416 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
7 |
541 |
133 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
268 |
544 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1295 |
4397 |
562 |
|
...date precedes bulletin
|
Date: 2020-10-22:
| 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 |
14231 |
7606 |
70 |
208 |
39 |
2 |
0 |
0 |
| OW |
3 |
618 |
50 |
261 |
132 |
10 |
0 |
0 |
| VODI |
0 |
54 |
16 |
247 |
377 |
43 |
0 |
0 |
| ODI |
0 |
8 |
0 |
7 |
324 |
246 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
70 |
625 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
784 |
3309 |
2719 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14234 |
7692 |
71 |
217 |
57 |
1 |
0 |
0 |
| OW |
0 |
507 |
40 |
193 |
85 |
9 |
0 |
0 |
| VODI |
0 |
66 |
23 |
284 |
305 |
25 |
0 |
0 |
| ODI |
0 |
21 |
2 |
29 |
336 |
172 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
146 |
508 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
995 |
3318 |
2719 |
|
Date: 2020-10-24:
| 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 |
11671 |
8751 |
55 |
228 |
55 |
1 |
0 |
0 |
| OW |
12 |
1303 |
62 |
343 |
172 |
42 |
3 |
0 |
| VODI |
0 |
124 |
25 |
267 |
360 |
136 |
24 |
0 |
| ODI |
0 |
10 |
4 |
39 |
207 |
246 |
96 |
0 |
| CDI |
0 |
3 |
0 |
2 |
39 |
417 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
104 |
3985 |
3067 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11660 |
9177 |
60 |
263 |
75 |
3 |
0 |
0 |
| OW |
23 |
809 |
57 |
274 |
122 |
21 |
0 |
0 |
| VODI |
0 |
189 |
24 |
273 |
324 |
109 |
19 |
0 |
| ODI |
0 |
9 |
4 |
61 |
228 |
205 |
51 |
0 |
| CDI |
0 |
7 |
1 |
8 |
83 |
346 |
187 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
262 |
4080 |
3067 |
|
Date: 2020-10-26:
| 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 |
9869 |
10498 |
136 |
446 |
86 |
0 |
0 |
0 |
| OW |
6 |
430 |
44 |
429 |
141 |
3 |
0 |
0 |
| VODI |
0 |
55 |
7 |
284 |
391 |
30 |
0 |
0 |
| ODI |
0 |
6 |
3 |
37 |
416 |
149 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
62 |
656 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
226 |
3629 |
3967 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9743 |
9563 |
96 |
402 |
120 |
0 |
0 |
0 |
| OW |
131 |
1054 |
54 |
355 |
226 |
29 |
0 |
0 |
| VODI |
1 |
355 |
34 |
354 |
395 |
173 |
1 |
0 |
| ODI |
0 |
12 |
4 |
65 |
272 |
246 |
24 |
0 |
| CDI |
0 |
5 |
2 |
12 |
80 |
331 |
180 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
3 |
285 |
3498 |
3967 |
|
Date: 2020-10-28:
| 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 |
9140 |
10029 |
108 |
346 |
12 |
0 |
0 |
0 |
| OW |
24 |
882 |
77 |
573 |
208 |
0 |
0 |
0 |
| VODI |
0 |
132 |
13 |
335 |
513 |
92 |
0 |
0 |
| ODI |
0 |
11 |
2 |
39 |
327 |
210 |
0 |
0 |
| CDI |
0 |
0 |
1 |
4 |
152 |
493 |
53 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
465 |
3740 |
4092 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9041 |
8774 |
88 |
303 |
38 |
1 |
0 |
0 |
| OW |
117 |
1519 |
54 |
421 |
155 |
5 |
0 |
0 |
| VODI |
6 |
716 |
47 |
451 |
502 |
159 |
0 |
0 |
| ODI |
0 |
43 |
11 |
111 |
343 |
295 |
16 |
0 |
| CDI |
0 |
2 |
1 |
9 |
164 |
333 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
19 |
467 |
3668 |
4092 |
|
Date: 2020-10-30:
| 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 |
5931 |
10461 |
116 |
638 |
474 |
1 |
0 |
0 |
| OW |
0 |
905 |
71 |
694 |
768 |
71 |
0 |
0 |
| VODI |
0 |
239 |
41 |
386 |
818 |
183 |
0 |
0 |
| ODI |
0 |
6 |
12 |
176 |
362 |
323 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
248 |
465 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
79 |
1069 |
3665 |
3844 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5907 |
9265 |
79 |
527 |
630 |
31 |
0 |
0 |
| OW |
24 |
1567 |
71 |
576 |
523 |
66 |
0 |
0 |
| VODI |
0 |
702 |
71 |
593 |
870 |
304 |
0 |
0 |
| ODI |
0 |
77 |
19 |
189 |
396 |
414 |
0 |
0 |
| CDI |
0 |
0 |
0 |
41 |
237 |
331 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
93 |
966 |
3607 |
3844 |
|
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