Validation of sea ice concentration - Asian sector
Bulletin date: 2020-08-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-08-21:
| 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 |
14983 |
6162 |
25 |
56 |
9 |
0 |
0 |
0 |
| OW |
0 |
672 |
33 |
167 |
45 |
0 |
0 |
0 |
| VODI |
0 |
139 |
39 |
869 |
263 |
20 |
0 |
0 |
| ODI |
0 |
3 |
4 |
113 |
1672 |
385 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
156 |
2344 |
801 |
7 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
550 |
2045 |
520 |
|
...date precedes bulletin
|
Date: 2020-08-23:
| 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 |
15243 |
5988 |
21 |
64 |
2 |
0 |
0 |
0 |
| OW |
0 |
787 |
31 |
168 |
44 |
0 |
0 |
0 |
| VODI |
0 |
220 |
52 |
854 |
326 |
25 |
0 |
0 |
| ODI |
0 |
5 |
4 |
188 |
1691 |
216 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
379 |
2759 |
217 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2061 |
737 |
0 |
|
...date precedes bulletin
|
Date: 2020-08-25:
| 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 |
15619 |
6657 |
44 |
96 |
2 |
0 |
0 |
0 |
| OW |
0 |
381 |
37 |
272 |
30 |
0 |
0 |
0 |
| VODI |
0 |
37 |
31 |
869 |
292 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
62 |
2155 |
167 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
105 |
2563 |
983 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
312 |
1368 |
0 |
|
...date precedes bulletin
|
Date: 2020-08-27:
| 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 |
16051 |
6631 |
41 |
130 |
18 |
0 |
0 |
0 |
| OW |
0 |
333 |
44 |
388 |
60 |
6 |
0 |
0 |
| VODI |
0 |
42 |
15 |
622 |
593 |
45 |
0 |
0 |
| ODI |
0 |
0 |
0 |
54 |
1492 |
728 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
549 |
2720 |
347 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1027 |
144 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16051 |
6607 |
40 |
136 |
33 |
0 |
0 |
0 |
| OW |
0 |
329 |
34 |
392 |
52 |
15 |
0 |
0 |
| VODI |
0 |
70 |
26 |
613 |
601 |
62 |
0 |
0 |
| ODI |
0 |
0 |
0 |
53 |
1454 |
590 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
572 |
2629 |
365 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1230 |
126 |
0 |
|
Date: 2020-08-29:
| 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 |
16402 |
6590 |
37 |
131 |
25 |
0 |
0 |
0 |
| OW |
0 |
384 |
49 |
396 |
103 |
30 |
0 |
0 |
| VODI |
0 |
77 |
17 |
515 |
410 |
399 |
22 |
0 |
| ODI |
0 |
0 |
0 |
50 |
1111 |
725 |
386 |
0 |
| CDI |
0 |
0 |
0 |
0 |
508 |
2386 |
476 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
508 |
345 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16402 |
6618 |
34 |
155 |
40 |
13 |
0 |
0 |
| OW |
0 |
354 |
48 |
325 |
116 |
25 |
6 |
0 |
| VODI |
0 |
79 |
21 |
568 |
503 |
298 |
32 |
0 |
| ODI |
0 |
0 |
0 |
44 |
970 |
731 |
340 |
0 |
| CDI |
0 |
0 |
0 |
0 |
528 |
2372 |
534 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
609 |
317 |
0 |
|
Date: 2020-08-31:
| 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 |
16845 |
6439 |
28 |
88 |
0 |
0 |
0 |
0 |
| OW |
0 |
404 |
51 |
254 |
19 |
0 |
0 |
0 |
| VODI |
0 |
51 |
21 |
628 |
199 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
19 |
1292 |
83 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
52 |
2026 |
474 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
273 |
2831 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16845 |
6269 |
36 |
163 |
62 |
22 |
4 |
0 |
| OW |
0 |
516 |
36 |
251 |
165 |
19 |
11 |
0 |
| VODI |
0 |
109 |
28 |
548 |
492 |
428 |
140 |
0 |
| ODI |
0 |
0 |
0 |
27 |
663 |
589 |
677 |
0 |
| CDI |
0 |
0 |
0 |
0 |
180 |
1162 |
2066 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
167 |
407 |
0 |
|
Date: 2020-09-02:
| 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 |
17208 |
6325 |
31 |
76 |
4 |
0 |
0 |
0 |
| OW |
0 |
460 |
53 |
224 |
43 |
6 |
0 |
0 |
| VODI |
0 |
104 |
21 |
499 |
207 |
18 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
1158 |
155 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
115 |
1972 |
656 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
179 |
2178 |
339 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17208 |
6134 |
44 |
162 |
83 |
28 |
15 |
0 |
| OW |
0 |
550 |
37 |
199 |
155 |
48 |
28 |
0 |
| VODI |
0 |
205 |
24 |
444 |
499 |
459 |
221 |
0 |
| ODI |
0 |
0 |
0 |
31 |
613 |
421 |
779 |
0 |
| CDI |
0 |
0 |
0 |
0 |
177 |
1251 |
1558 |
277 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
123 |
247 |
62 |
|
Date: 2020-09-04:
| 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 |
17513 |
6292 |
15 |
23 |
1 |
0 |
0 |
0 |
| OW |
0 |
604 |
56 |
199 |
21 |
2 |
0 |
0 |
| VODI |
0 |
137 |
26 |
439 |
239 |
14 |
0 |
0 |
| ODI |
0 |
0 |
0 |
67 |
1187 |
133 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
245 |
2003 |
757 |
19 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
445 |
1384 |
261 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17513 |
6174 |
32 |
104 |
40 |
31 |
3 |
0 |
| OW |
0 |
603 |
38 |
283 |
171 |
21 |
12 |
0 |
| VODI |
0 |
248 |
22 |
293 |
702 |
553 |
99 |
0 |
| ODI |
0 |
8 |
5 |
48 |
525 |
592 |
622 |
0 |
| CDI |
0 |
0 |
0 |
0 |
255 |
1262 |
1298 |
280 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
138 |
107 |
0 |
|
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