Validation of sea ice concentration - Asian sector
Bulletin date: 2021-08-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-06:
| 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 |
8082 |
8526 |
102 |
437 |
15 |
0 |
0 |
0 |
| OW |
0 |
738 |
115 |
979 |
79 |
0 |
0 |
0 |
| VODI |
0 |
100 |
48 |
2009 |
1033 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
115 |
1407 |
791 |
37 |
0 |
| CDI |
0 |
0 |
0 |
0 |
322 |
3326 |
1879 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1656 |
271 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-08:
| 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 |
7849 |
9211 |
98 |
481 |
13 |
0 |
0 |
0 |
| OW |
0 |
709 |
120 |
1295 |
198 |
0 |
0 |
0 |
| VODI |
0 |
124 |
47 |
1539 |
1164 |
27 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
1132 |
925 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
518 |
3409 |
1527 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1295 |
288 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-10:
| 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 |
8309 |
9510 |
105 |
402 |
5 |
0 |
0 |
0 |
| OW |
0 |
486 |
103 |
995 |
52 |
0 |
0 |
0 |
| VODI |
0 |
64 |
45 |
1687 |
618 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
59 |
1909 |
241 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
290 |
5430 |
831 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
329 |
609 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-12:
| 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 |
9239 |
9043 |
84 |
274 |
3 |
0 |
0 |
0 |
| OW |
0 |
613 |
106 |
1070 |
79 |
0 |
0 |
0 |
| VODI |
0 |
94 |
28 |
1161 |
900 |
16 |
0 |
0 |
| ODI |
0 |
0 |
0 |
31 |
1434 |
628 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
55 |
4480 |
2086 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
366 |
292 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9239 |
8970 |
99 |
455 |
18 |
0 |
0 |
0 |
| OW |
0 |
661 |
89 |
901 |
129 |
0 |
0 |
0 |
| VODI |
0 |
119 |
30 |
1109 |
839 |
28 |
0 |
0 |
| ODI |
0 |
0 |
0 |
71 |
1356 |
533 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
129 |
4615 |
2064 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
314 |
314 |
0 |
|
Date: 2021-08-14:
| 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 |
10334 |
8281 |
72 |
209 |
16 |
0 |
0 |
0 |
| OW |
48 |
782 |
99 |
890 |
92 |
0 |
0 |
0 |
| VODI |
0 |
137 |
54 |
1210 |
650 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
155 |
1411 |
559 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
187 |
2703 |
3407 |
290 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
85 |
410 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10351 |
8307 |
86 |
387 |
31 |
0 |
0 |
0 |
| OW |
31 |
765 |
82 |
763 |
157 |
0 |
0 |
0 |
| VODI |
0 |
128 |
57 |
1125 |
609 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
189 |
1272 |
428 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
287 |
2835 |
3415 |
282 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
84 |
402 |
8 |
|
Date: 2021-08-16:
| 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 |
10570 |
8672 |
57 |
166 |
11 |
0 |
0 |
0 |
| OW |
0 |
1041 |
131 |
503 |
27 |
0 |
0 |
0 |
| VODI |
0 |
72 |
48 |
1305 |
332 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
65 |
1749 |
143 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
91 |
2871 |
1144 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
248 |
2835 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10556 |
8412 |
72 |
390 |
39 |
0 |
0 |
0 |
| OW |
14 |
1041 |
77 |
451 |
177 |
0 |
0 |
0 |
| VODI |
0 |
327 |
81 |
945 |
444 |
5 |
0 |
0 |
| ODI |
0 |
5 |
6 |
253 |
1319 |
312 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
231 |
2791 |
3600 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
155 |
379 |
0 |
|
Date: 2021-08-18:
| 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 |
11047 |
8689 |
65 |
209 |
20 |
0 |
0 |
0 |
| OW |
0 |
943 |
103 |
535 |
46 |
0 |
0 |
0 |
| VODI |
0 |
135 |
60 |
1062 |
334 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
163 |
1509 |
53 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
372 |
3361 |
858 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1055 |
1459 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11047 |
8120 |
69 |
428 |
59 |
0 |
0 |
0 |
| OW |
0 |
1063 |
50 |
336 |
150 |
0 |
0 |
0 |
| VODI |
0 |
539 |
98 |
778 |
342 |
12 |
0 |
0 |
| ODI |
0 |
45 |
11 |
421 |
1222 |
191 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
508 |
3869 |
2272 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
401 |
45 |
0 |
|
Date: 2021-08-20:
| 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 |
11770 |
8295 |
45 |
107 |
26 |
0 |
0 |
0 |
| OW |
0 |
872 |
106 |
473 |
88 |
3 |
0 |
0 |
| VODI |
0 |
110 |
50 |
1004 |
355 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
102 |
1186 |
223 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
414 |
2831 |
1344 |
115 |
| VCDI |
0 |
0 |
0 |
0 |
11 |
965 |
1513 |
62 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11770 |
7683 |
65 |
253 |
57 |
0 |
0 |
0 |
| OW |
0 |
1002 |
48 |
357 |
157 |
5 |
0 |
0 |
| VODI |
0 |
578 |
76 |
752 |
368 |
50 |
0 |
0 |
| ODI |
0 |
14 |
12 |
321 |
1045 |
494 |
24 |
0 |
| CDI |
0 |
0 |
0 |
3 |
453 |
3485 |
2725 |
168 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
108 |
9 |
|
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