Validation of sea ice concentration - Asian sector
Bulletin date: 2021-08-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-13:
| 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 |
10180 |
8306 |
81 |
216 |
15 |
0 |
0 |
0 |
| OW |
65 |
584 |
104 |
1040 |
110 |
0 |
0 |
0 |
| VODI |
0 |
87 |
37 |
1131 |
853 |
7 |
0 |
0 |
| ODI |
0 |
0 |
0 |
66 |
1312 |
707 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
99 |
4373 |
2125 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
272 |
312 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-15:
| 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 |
10395 |
8320 |
63 |
232 |
12 |
0 |
0 |
0 |
| OW |
30 |
1028 |
100 |
690 |
96 |
0 |
0 |
0 |
| VODI |
0 |
267 |
79 |
1079 |
572 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
197 |
1362 |
584 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
195 |
2839 |
3354 |
53 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
86 |
448 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-17:
| 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 |
10509 |
9012 |
58 |
236 |
15 |
0 |
0 |
0 |
| OW |
0 |
963 |
117 |
546 |
53 |
0 |
0 |
0 |
| VODI |
0 |
60 |
47 |
1167 |
332 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
86 |
1680 |
69 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
328 |
2571 |
1393 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
678 |
2159 |
0 |
|
...date precedes bulletin
|
Date: 2021-08-19:
| 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 |
11193 |
8746 |
52 |
161 |
21 |
0 |
0 |
0 |
| OW |
0 |
912 |
101 |
490 |
62 |
1 |
0 |
0 |
| VODI |
0 |
112 |
54 |
1076 |
329 |
5 |
0 |
0 |
| ODI |
0 |
0 |
0 |
151 |
1354 |
107 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
302 |
3206 |
1143 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1080 |
1418 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11193 |
8865 |
57 |
231 |
8 |
0 |
0 |
0 |
| OW |
0 |
759 |
100 |
466 |
93 |
0 |
0 |
0 |
| VODI |
0 |
145 |
48 |
1000 |
336 |
9 |
0 |
0 |
| ODI |
0 |
1 |
2 |
181 |
1152 |
79 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
479 |
3039 |
1295 |
6 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1272 |
1266 |
0 |
|
Date: 2021-08-21:
| 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 |
11886 |
8241 |
51 |
106 |
23 |
0 |
0 |
0 |
| OW |
0 |
878 |
100 |
482 |
100 |
2 |
0 |
0 |
| VODI |
0 |
102 |
45 |
912 |
360 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
111 |
1149 |
208 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
395 |
2990 |
1408 |
67 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
699 |
1541 |
213 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11886 |
8384 |
60 |
180 |
19 |
0 |
0 |
0 |
| OW |
0 |
725 |
89 |
441 |
133 |
1 |
0 |
0 |
| VODI |
0 |
108 |
46 |
855 |
347 |
13 |
0 |
0 |
| ODI |
0 |
4 |
1 |
135 |
975 |
168 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
552 |
2975 |
1454 |
179 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
755 |
1495 |
101 |
|
Date: 2021-08-23:
| 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 |
11809 |
8771 |
44 |
95 |
17 |
0 |
0 |
0 |
| OW |
0 |
582 |
109 |
464 |
46 |
0 |
0 |
0 |
| VODI |
0 |
42 |
23 |
992 |
227 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
42 |
1504 |
52 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
285 |
5698 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
836 |
309 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11809 |
8504 |
57 |
169 |
39 |
0 |
0 |
0 |
| OW |
0 |
735 |
65 |
491 |
104 |
0 |
0 |
0 |
| VODI |
0 |
156 |
54 |
763 |
360 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
161 |
929 |
101 |
0 |
0 |
| CDI |
0 |
0 |
0 |
9 |
642 |
4938 |
146 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
1546 |
298 |
0 |
|
Date: 2021-08-25:
| 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 |
12130 |
8515 |
50 |
130 |
22 |
0 |
0 |
0 |
| OW |
1 |
521 |
96 |
491 |
68 |
0 |
0 |
0 |
| VODI |
0 |
108 |
33 |
735 |
282 |
6 |
0 |
0 |
| ODI |
0 |
0 |
0 |
48 |
1208 |
183 |
0 |
0 |
| CDI |
0 |
0 |
0 |
2 |
1127 |
5232 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
108 |
891 |
62 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12117 |
8114 |
52 |
223 |
79 |
0 |
0 |
0 |
| OW |
14 |
717 |
67 |
396 |
91 |
0 |
0 |
0 |
| VODI |
0 |
312 |
60 |
598 |
353 |
25 |
0 |
0 |
| ODI |
0 |
1 |
0 |
171 |
754 |
211 |
1 |
0 |
| CDI |
0 |
0 |
0 |
18 |
1202 |
4465 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
336 |
1611 |
62 |
0 |
|
Date: 2021-08-27:
| 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 |
12807 |
7700 |
54 |
157 |
17 |
0 |
0 |
0 |
| OW |
0 |
627 |
76 |
520 |
76 |
0 |
0 |
0 |
| VODI |
0 |
67 |
20 |
588 |
411 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
53 |
1025 |
250 |
22 |
0 |
| CDI |
0 |
0 |
0 |
20 |
1784 |
4040 |
466 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
111 |
1165 |
22 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12779 |
7322 |
70 |
296 |
72 |
0 |
0 |
0 |
| OW |
28 |
736 |
37 |
355 |
109 |
0 |
0 |
0 |
| VODI |
0 |
333 |
38 |
471 |
415 |
59 |
0 |
0 |
| ODI |
0 |
3 |
5 |
188 |
714 |
172 |
43 |
0 |
| CDI |
0 |
0 |
0 |
28 |
1637 |
3458 |
387 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
477 |
1770 |
80 |
0 |
|
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