Validation of sea ice concentration - Asian sector
Bulletin date: 2022-08-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-29:
| 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 |
1269 |
9050 |
1253 |
115 |
26 |
2 |
0 |
0 |
| OW |
1 |
441 |
246 |
117 |
46 |
5 |
0 |
0 |
| VODI |
0 |
172 |
216 |
466 |
276 |
37 |
0 |
0 |
| ODI |
0 |
23 |
99 |
447 |
1578 |
814 |
11 |
0 |
| CDI |
0 |
0 |
7 |
148 |
2460 |
9343 |
820 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
51 |
2118 |
425 |
0 |
|
...date precedes bulletin
|
Date: 2022-07-31:
| 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 |
4309 |
6845 |
621 |
115 |
36 |
3 |
0 |
0 |
| OW |
0 |
514 |
198 |
200 |
73 |
2 |
0 |
0 |
| VODI |
0 |
180 |
210 |
495 |
323 |
19 |
0 |
0 |
| ODI |
0 |
29 |
91 |
655 |
2156 |
554 |
1 |
0 |
| CDI |
0 |
0 |
2 |
116 |
3315 |
9236 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
1597 |
68 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-02:
| 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 |
2599 |
9181 |
576 |
386 |
38 |
0 |
0 |
0 |
| OW |
0 |
122 |
160 |
396 |
93 |
2 |
0 |
0 |
| VODI |
0 |
37 |
116 |
690 |
582 |
36 |
0 |
0 |
| ODI |
0 |
0 |
9 |
313 |
3543 |
831 |
1 |
0 |
| CDI |
0 |
0 |
0 |
21 |
2538 |
8837 |
167 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
799 |
0 |
0 |
|
...date precedes bulletin
|
Date: 2022-08-04:
| 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 |
1151 |
9523 |
1812 |
374 |
34 |
0 |
0 |
0 |
| OW |
0 |
172 |
188 |
467 |
132 |
7 |
0 |
0 |
| VODI |
0 |
54 |
110 |
659 |
616 |
57 |
8 |
0 |
| ODI |
0 |
1 |
11 |
443 |
3587 |
748 |
40 |
0 |
| CDI |
0 |
0 |
0 |
46 |
2959 |
7631 |
605 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
642 |
5 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1151 |
9534 |
1821 |
403 |
55 |
1 |
0 |
0 |
| OW |
0 |
157 |
167 |
371 |
130 |
7 |
0 |
0 |
| VODI |
0 |
59 |
127 |
690 |
630 |
59 |
6 |
0 |
| ODI |
0 |
0 |
6 |
485 |
3458 |
832 |
56 |
0 |
| CDI |
0 |
0 |
0 |
40 |
3055 |
7581 |
592 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
605 |
4 |
0 |
|
Date: 2022-08-06:
| 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 |
1710 |
9350 |
1627 |
390 |
22 |
0 |
0 |
0 |
| OW |
1 |
166 |
226 |
542 |
154 |
0 |
0 |
0 |
| VODI |
0 |
58 |
114 |
537 |
818 |
42 |
0 |
0 |
| ODI |
0 |
0 |
20 |
604 |
3271 |
1154 |
9 |
0 |
| CDI |
0 |
0 |
0 |
64 |
2580 |
7733 |
424 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
296 |
170 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1710 |
9347 |
1633 |
436 |
70 |
0 |
0 |
0 |
| OW |
1 |
168 |
204 |
423 |
169 |
1 |
0 |
0 |
| VODI |
0 |
59 |
132 |
582 |
737 |
42 |
0 |
0 |
| ODI |
0 |
0 |
18 |
636 |
3143 |
1266 |
20 |
0 |
| CDI |
0 |
0 |
0 |
60 |
2726 |
7658 |
420 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
258 |
163 |
0 |
|
Date: 2022-08-08:
| 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 |
1103 |
9856 |
2054 |
397 |
15 |
1 |
0 |
0 |
| OW |
0 |
159 |
196 |
378 |
50 |
3 |
0 |
0 |
| VODI |
0 |
26 |
104 |
643 |
372 |
22 |
0 |
0 |
| ODI |
0 |
1 |
17 |
575 |
4201 |
1371 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
1965 |
7828 |
386 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
193 |
140 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1102 |
9788 |
2006 |
431 |
101 |
21 |
0 |
0 |
| OW |
1 |
189 |
212 |
424 |
138 |
72 |
0 |
0 |
| VODI |
0 |
61 |
113 |
485 |
631 |
270 |
3 |
0 |
| ODI |
0 |
4 |
40 |
590 |
3065 |
1810 |
17 |
0 |
| CDI |
0 |
0 |
0 |
89 |
2668 |
7062 |
427 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
183 |
79 |
0 |
|
Date: 2022-08-10:
| 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 |
5902 |
6982 |
584 |
278 |
5 |
0 |
0 |
0 |
| OW |
0 |
221 |
205 |
321 |
61 |
0 |
0 |
0 |
| VODI |
0 |
50 |
146 |
736 |
429 |
8 |
0 |
0 |
| ODI |
0 |
1 |
23 |
748 |
4174 |
1339 |
0 |
0 |
| CDI |
0 |
0 |
0 |
49 |
2167 |
6993 |
292 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
156 |
212 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5902 |
6803 |
571 |
346 |
102 |
0 |
0 |
0 |
| OW |
0 |
296 |
121 |
371 |
196 |
28 |
0 |
0 |
| VODI |
0 |
143 |
193 |
521 |
842 |
95 |
0 |
0 |
| ODI |
0 |
12 |
73 |
785 |
3240 |
1781 |
7 |
0 |
| CDI |
0 |
0 |
0 |
109 |
2456 |
6570 |
392 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
22 |
105 |
0 |
|
Date: 2022-08-12:
| 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 |
2313 |
9833 |
1431 |
284 |
3 |
0 |
0 |
0 |
| OW |
0 |
246 |
232 |
328 |
84 |
0 |
0 |
0 |
| VODI |
0 |
42 |
172 |
812 |
610 |
53 |
0 |
0 |
| ODI |
0 |
0 |
25 |
821 |
3900 |
1678 |
23 |
0 |
| CDI |
0 |
0 |
0 |
50 |
1909 |
6357 |
607 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
41 |
228 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2313 |
9594 |
1384 |
422 |
165 |
23 |
0 |
0 |
| OW |
0 |
327 |
160 |
272 |
274 |
78 |
0 |
0 |
| VODI |
0 |
196 |
208 |
546 |
772 |
202 |
0 |
0 |
| ODI |
0 |
4 |
107 |
934 |
3040 |
2045 |
90 |
0 |
| CDI |
0 |
0 |
1 |
121 |
2255 |
5781 |
732 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
0 |
36 |
0 |
|
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