Validation of sea ice concentration - Asian sector
Bulletin date: 2023-07-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-07:
| 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 |
1527 |
2455 |
339 |
545 |
57 |
0 |
0 |
0 |
| OW |
0 |
115 |
137 |
948 |
294 |
9 |
0 |
0 |
| VODI |
0 |
27 |
49 |
1083 |
1258 |
85 |
4 |
0 |
| ODI |
0 |
0 |
1 |
161 |
2677 |
530 |
7 |
0 |
| CDI |
0 |
0 |
1 |
89 |
1682 |
9673 |
531 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
212 |
4888 |
2698 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-09:
| 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 |
1574 |
2733 |
312 |
465 |
59 |
0 |
0 |
0 |
| OW |
0 |
254 |
233 |
989 |
368 |
28 |
0 |
0 |
| VODI |
0 |
86 |
75 |
899 |
1604 |
65 |
2 |
0 |
| ODI |
0 |
12 |
6 |
127 |
2381 |
396 |
9 |
0 |
| CDI |
0 |
6 |
13 |
100 |
3621 |
7985 |
293 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
40 |
4646 |
2701 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-11:
| 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 |
1558 |
3365 |
568 |
568 |
60 |
0 |
0 |
0 |
| OW |
0 |
68 |
106 |
825 |
187 |
0 |
0 |
0 |
| VODI |
0 |
12 |
11 |
904 |
1054 |
24 |
0 |
0 |
| ODI |
0 |
2 |
8 |
127 |
4854 |
976 |
3 |
0 |
| CDI |
0 |
0 |
0 |
46 |
1603 |
9844 |
874 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
219 |
1760 |
2456 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-13:
| 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 |
1555 |
3646 |
540 |
597 |
89 |
0 |
0 |
0 |
| OW |
0 |
168 |
168 |
922 |
189 |
2 |
0 |
0 |
| VODI |
0 |
24 |
22 |
1338 |
890 |
26 |
0 |
0 |
| ODI |
0 |
7 |
11 |
245 |
5421 |
1279 |
0 |
0 |
| CDI |
0 |
0 |
1 |
81 |
2114 |
8031 |
829 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
229 |
1966 |
1691 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1555 |
3684 |
543 |
683 |
115 |
0 |
0 |
0 |
| OW |
0 |
123 |
153 |
833 |
223 |
4 |
0 |
0 |
| VODI |
0 |
30 |
34 |
1288 |
1029 |
25 |
0 |
0 |
| ODI |
0 |
8 |
12 |
298 |
5105 |
1212 |
0 |
0 |
| CDI |
0 |
0 |
0 |
81 |
2230 |
7911 |
904 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
230 |
2152 |
1616 |
0 |
|
Date: 2023-07-15:
| 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 |
1568 |
4221 |
439 |
525 |
59 |
0 |
0 |
0 |
| OW |
0 |
279 |
258 |
957 |
229 |
0 |
0 |
0 |
| VODI |
0 |
35 |
61 |
1366 |
1149 |
43 |
0 |
0 |
| ODI |
0 |
2 |
11 |
340 |
6105 |
1204 |
0 |
0 |
| CDI |
0 |
0 |
0 |
97 |
2514 |
6569 |
788 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
180 |
2058 |
1024 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1568 |
4293 |
444 |
611 |
142 |
0 |
0 |
0 |
| OW |
0 |
213 |
257 |
823 |
232 |
0 |
0 |
0 |
| VODI |
0 |
25 |
49 |
1438 |
1217 |
43 |
0 |
0 |
| ODI |
0 |
6 |
19 |
312 |
5698 |
1095 |
0 |
0 |
| CDI |
0 |
0 |
0 |
101 |
2801 |
6394 |
782 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
146 |
2342 |
1030 |
0 |
|
Date: 2023-07-17:
| 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 |
1654 |
5171 |
513 |
262 |
30 |
0 |
0 |
0 |
| OW |
0 |
115 |
281 |
954 |
89 |
0 |
0 |
0 |
| VODI |
0 |
2 |
9 |
2089 |
836 |
1 |
0 |
0 |
| ODI |
0 |
0 |
0 |
157 |
7583 |
365 |
0 |
0 |
| CDI |
0 |
0 |
0 |
35 |
910 |
9474 |
376 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
490 |
686 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1654 |
4809 |
409 |
436 |
162 |
0 |
0 |
0 |
| OW |
0 |
389 |
288 |
707 |
249 |
7 |
0 |
0 |
| VODI |
0 |
64 |
81 |
1726 |
1481 |
28 |
0 |
0 |
| ODI |
0 |
25 |
21 |
493 |
5608 |
1111 |
0 |
0 |
| CDI |
0 |
1 |
4 |
134 |
1881 |
7103 |
329 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
67 |
2081 |
733 |
0 |
|
Date: 2023-07-19:
| 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 |
1993 |
5479 |
537 |
424 |
30 |
0 |
0 |
0 |
| OW |
0 |
95 |
226 |
1222 |
83 |
0 |
0 |
0 |
| VODI |
0 |
5 |
17 |
1868 |
1531 |
5 |
0 |
0 |
| ODI |
0 |
1 |
2 |
158 |
6913 |
385 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
1527 |
8777 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
683 |
74 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1993 |
4958 |
322 |
557 |
163 |
4 |
0 |
0 |
| OW |
0 |
467 |
288 |
766 |
252 |
13 |
0 |
0 |
| VODI |
0 |
114 |
138 |
1847 |
1901 |
38 |
0 |
0 |
| ODI |
0 |
37 |
22 |
402 |
5680 |
687 |
0 |
0 |
| CDI |
0 |
4 |
12 |
143 |
2019 |
6798 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
2310 |
75 |
0 |
|
Date: 2023-07-21:
| 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 |
1974 |
6088 |
591 |
455 |
29 |
0 |
0 |
0 |
| OW |
0 |
153 |
244 |
1522 |
83 |
0 |
0 |
0 |
| VODI |
0 |
27 |
17 |
1497 |
2023 |
12 |
0 |
0 |
| ODI |
0 |
0 |
0 |
178 |
6153 |
523 |
0 |
0 |
| CDI |
0 |
0 |
0 |
38 |
2187 |
7676 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
461 |
136 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1974 |
5358 |
375 |
719 |
250 |
3 |
0 |
0 |
| OW |
0 |
530 |
232 |
691 |
394 |
17 |
0 |
0 |
| VODI |
0 |
307 |
210 |
1731 |
2358 |
142 |
0 |
0 |
| ODI |
0 |
55 |
18 |
378 |
4868 |
780 |
0 |
0 |
| CDI |
0 |
18 |
17 |
165 |
2542 |
5503 |
3 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
63 |
2227 |
148 |
0 |
|
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