Validation of sea ice concentration - Asian sector
Bulletin date: 2023-08-03
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-28:
| 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 |
395 |
8772 |
647 |
519 |
13 |
0 |
0 |
0 |
| OW |
1 |
128 |
237 |
1172 |
60 |
0 |
0 |
0 |
| VODI |
0 |
30 |
19 |
1678 |
1889 |
18 |
0 |
0 |
| ODI |
0 |
1 |
1 |
68 |
5909 |
2299 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
196 |
5447 |
2551 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
12 |
10 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-30:
| 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 |
2814 |
6883 |
433 |
332 |
16 |
0 |
0 |
0 |
| OW |
1 |
295 |
323 |
1180 |
50 |
0 |
0 |
0 |
| VODI |
0 |
25 |
41 |
1933 |
2264 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
94 |
5014 |
2861 |
24 |
0 |
| CDI |
0 |
0 |
0 |
3 |
349 |
5148 |
1951 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
14 |
17 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-01:
| 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 |
3753 |
6508 |
466 |
329 |
10 |
0 |
0 |
0 |
| OW |
0 |
92 |
236 |
1066 |
18 |
0 |
0 |
0 |
| VODI |
0 |
6 |
7 |
2096 |
858 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
120 |
5499 |
709 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
553 |
6762 |
1237 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
134 |
1403 |
219 |
|
...date precedes bulletin
|
Date: 2023-08-03:
| 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 |
4611 |
6111 |
321 |
260 |
9 |
0 |
0 |
0 |
| OW |
1 |
208 |
271 |
1216 |
51 |
0 |
0 |
0 |
| VODI |
0 |
23 |
24 |
1774 |
1294 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
110 |
4875 |
1178 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
703 |
6599 |
878 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
326 |
1229 |
10 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4611 |
6114 |
416 |
367 |
19 |
0 |
0 |
0 |
| OW |
1 |
190 |
173 |
1198 |
55 |
0 |
0 |
0 |
| VODI |
0 |
38 |
27 |
1681 |
1256 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
114 |
4745 |
934 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
857 |
6879 |
882 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
290 |
1225 |
10 |
|
Date: 2023-08-05:
| 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 |
4422 |
6609 |
265 |
209 |
5 |
0 |
0 |
0 |
| OW |
0 |
333 |
390 |
1227 |
33 |
0 |
0 |
0 |
| VODI |
0 |
9 |
48 |
2009 |
1201 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
168 |
4582 |
1086 |
1 |
0 |
| CDI |
0 |
0 |
0 |
2 |
780 |
6869 |
537 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
934 |
361 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4422 |
6628 |
307 |
367 |
13 |
0 |
0 |
0 |
| OW |
0 |
311 |
352 |
1080 |
34 |
0 |
0 |
0 |
| VODI |
0 |
12 |
44 |
1928 |
1007 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
239 |
4593 |
829 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
954 |
7164 |
548 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
898 |
351 |
0 |
|
Date: 2023-08-07:
| 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 |
2874 |
8782 |
479 |
219 |
4 |
0 |
0 |
0 |
| OW |
0 |
93 |
289 |
982 |
8 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
2455 |
617 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
67 |
6565 |
424 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1182 |
6615 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
22 |
301 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2874 |
8348 |
368 |
445 |
11 |
0 |
0 |
0 |
| OW |
0 |
472 |
309 |
1026 |
82 |
0 |
0 |
0 |
| VODI |
0 |
55 |
92 |
1829 |
1083 |
13 |
0 |
0 |
| ODI |
0 |
0 |
0 |
415 |
4675 |
525 |
0 |
0 |
| CDI |
0 |
0 |
0 |
8 |
2525 |
6027 |
221 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
496 |
183 |
0 |
|
Date: 2023-08-09:
| 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 |
4932 |
7336 |
453 |
384 |
3 |
0 |
0 |
0 |
| OW |
0 |
191 |
345 |
817 |
29 |
0 |
0 |
0 |
| VODI |
0 |
1 |
25 |
2418 |
750 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
141 |
5151 |
2034 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
708 |
5741 |
474 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
76 |
65 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4932 |
6661 |
290 |
400 |
23 |
0 |
0 |
0 |
| OW |
0 |
716 |
349 |
861 |
81 |
0 |
0 |
0 |
| VODI |
0 |
151 |
184 |
1973 |
899 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
526 |
4324 |
710 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1314 |
7046 |
506 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
94 |
33 |
0 |
|
Date: 2023-08-11:
| 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 |
5173 |
7418 |
461 |
399 |
5 |
0 |
0 |
0 |
| OW |
0 |
492 |
294 |
708 |
89 |
1 |
0 |
0 |
| VODI |
0 |
24 |
198 |
2246 |
709 |
71 |
0 |
0 |
| ODI |
0 |
0 |
0 |
628 |
4105 |
2415 |
377 |
0 |
| CDI |
0 |
0 |
0 |
0 |
971 |
4823 |
423 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
42 |
10 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5121 |
6470 |
365 |
514 |
90 |
0 |
0 |
0 |
| OW |
46 |
957 |
184 |
652 |
126 |
1 |
0 |
0 |
| VODI |
6 |
504 |
360 |
1825 |
680 |
128 |
0 |
0 |
| ODI |
0 |
3 |
44 |
990 |
3402 |
928 |
137 |
0 |
| CDI |
0 |
0 |
0 |
0 |
1581 |
6276 |
673 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
19 |
0 |
0 |
|
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