Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-08:
| 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 |
117070 |
15783 |
175 |
90 |
6 |
0 |
0 |
0 |
| OW |
2852 |
3881 |
636 |
527 |
3 |
0 |
0 |
0 |
| VODI |
1084 |
938 |
733 |
3142 |
846 |
14 |
0 |
0 |
| ODI |
0 |
80 |
161 |
2342 |
6936 |
2153 |
0 |
0 |
| CDI |
0 |
0 |
5 |
312 |
3124 |
13336 |
712 |
0 |
| VCDI |
0 |
2 |
0 |
0 |
27 |
3676 |
164 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
118993 |
13782 |
164 |
105 |
0 |
0 |
0 |
0 |
| OW |
2825 |
4098 |
524 |
545 |
7 |
0 |
0 |
0 |
| VODI |
1113 |
1102 |
769 |
2988 |
979 |
30 |
0 |
0 |
| ODI |
0 |
122 |
143 |
1930 |
8217 |
1026 |
6 |
0 |
| CDI |
0 |
0 |
0 |
265 |
3342 |
10982 |
309 |
0 |
| VCDI |
0 |
0 |
1 |
1 |
95 |
5520 |
827 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
118533 |
16301 |
221 |
154 |
6 |
0 |
0 |
0 |
| OW |
2879 |
3387 |
644 |
580 |
28 |
0 |
0 |
0 |
| VODI |
830 |
470 |
678 |
3432 |
1239 |
60 |
0 |
0 |
| ODI |
0 |
8 |
18 |
1295 |
8947 |
1482 |
0 |
0 |
| CDI |
0 |
0 |
2 |
17 |
1532 |
11609 |
632 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
18 |
5014 |
791 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
119950 |
15000 |
175 |
199 |
34 |
0 |
0 |
0 |
| OW |
2955 |
3479 |
533 |
479 |
102 |
11 |
0 |
0 |
| VODI |
718 |
609 |
657 |
2983 |
1395 |
100 |
1 |
0 |
| ODI |
0 |
19 |
43 |
1175 |
8529 |
2262 |
38 |
0 |
| CDI |
0 |
0 |
0 |
159 |
1820 |
8970 |
1591 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
13 |
5191 |
1616 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119952 |
15079 |
212 |
214 |
37 |
0 |
0 |
0 |
| OW |
2953 |
3399 |
514 |
493 |
119 |
9 |
0 |
0 |
| VODI |
718 |
616 |
642 |
2981 |
1385 |
111 |
0 |
0 |
| ODI |
0 |
13 |
40 |
1163 |
8432 |
2370 |
51 |
0 |
| CDI |
0 |
0 |
0 |
144 |
1885 |
8799 |
1574 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
35 |
5245 |
1621 |
0 |
|
Date: 2023-09-16:
| 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 |
120974 |
14037 |
111 |
131 |
0 |
0 |
0 |
0 |
| OW |
2909 |
3593 |
532 |
470 |
82 |
5 |
0 |
0 |
| VODI |
778 |
694 |
701 |
2828 |
1268 |
101 |
3 |
0 |
| ODI |
0 |
23 |
69 |
1317 |
7114 |
2880 |
42 |
0 |
| CDI |
0 |
0 |
2 |
247 |
1565 |
9031 |
1366 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
4692 |
3235 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120985 |
14119 |
142 |
145 |
0 |
0 |
0 |
0 |
| OW |
2911 |
3490 |
527 |
531 |
106 |
7 |
0 |
0 |
| VODI |
765 |
723 |
675 |
2851 |
1218 |
109 |
3 |
0 |
| ODI |
0 |
15 |
69 |
1227 |
7085 |
3145 |
80 |
0 |
| CDI |
0 |
0 |
2 |
239 |
1605 |
8675 |
1438 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
4773 |
3125 |
0 |
|
Date: 2023-09-18:
| 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 |
120689 |
15071 |
184 |
178 |
12 |
0 |
0 |
0 |
| OW |
2662 |
2710 |
666 |
389 |
26 |
0 |
0 |
0 |
| VODI |
1106 |
304 |
592 |
2902 |
687 |
13 |
0 |
0 |
| ODI |
0 |
2 |
10 |
1032 |
5478 |
501 |
11 |
0 |
| CDI |
0 |
3 |
1 |
25 |
2501 |
11354 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
7 |
7024 |
4565 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120766 |
13752 |
177 |
196 |
12 |
0 |
0 |
0 |
| OW |
2841 |
3516 |
590 |
611 |
151 |
1 |
0 |
0 |
| VODI |
850 |
799 |
629 |
2629 |
1338 |
149 |
6 |
0 |
| ODI |
0 |
21 |
55 |
846 |
5504 |
3599 |
85 |
0 |
| CDI |
0 |
2 |
2 |
243 |
1696 |
9598 |
1084 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
10 |
5545 |
3505 |
0 |
|
Date: 2023-09-20:
| 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 |
119918 |
15395 |
275 |
200 |
0 |
0 |
0 |
0 |
| OW |
2639 |
2719 |
652 |
522 |
24 |
0 |
0 |
0 |
| VODI |
1150 |
376 |
488 |
2514 |
899 |
27 |
0 |
0 |
| ODI |
0 |
17 |
44 |
938 |
4578 |
912 |
3 |
0 |
| CDI |
0 |
3 |
3 |
102 |
3014 |
10850 |
531 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
90 |
8254 |
3673 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
119986 |
13984 |
233 |
176 |
0 |
0 |
0 |
0 |
| OW |
2808 |
3537 |
568 |
734 |
112 |
1 |
0 |
0 |
| VODI |
913 |
941 |
584 |
2344 |
1514 |
169 |
3 |
0 |
| ODI |
0 |
46 |
74 |
832 |
4990 |
3049 |
77 |
0 |
| CDI |
0 |
2 |
3 |
190 |
1988 |
10272 |
1418 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
6552 |
2709 |
0 |
|
Date: 2023-09-22:
| 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 |
120211 |
14874 |
204 |
161 |
16 |
0 |
0 |
0 |
| OW |
2598 |
2594 |
564 |
662 |
124 |
17 |
0 |
0 |
| VODI |
1208 |
425 |
487 |
1947 |
1004 |
288 |
0 |
0 |
| ODI |
0 |
21 |
56 |
915 |
3586 |
1119 |
34 |
0 |
| CDI |
0 |
10 |
2 |
153 |
1665 |
11069 |
1113 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
7064 |
6607 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120275 |
13540 |
182 |
180 |
22 |
0 |
0 |
0 |
| OW |
2717 |
3250 |
569 |
785 |
263 |
20 |
0 |
0 |
| VODI |
1025 |
1025 |
462 |
1703 |
1552 |
424 |
10 |
0 |
| ODI |
0 |
87 |
85 |
897 |
2905 |
2135 |
80 |
0 |
| CDI |
0 |
22 |
15 |
273 |
1661 |
12260 |
2868 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
4718 |
4796 |
0 |
|
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