Validation of sea ice concentration - Full domain
Bulletin date: 2023-09-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-01:
| 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 |
106511 |
18839 |
20078 |
515 |
77 |
0 |
0 |
0 |
| OW |
0 |
407 |
1788 |
545 |
73 |
0 |
0 |
0 |
| VODI |
0 |
160 |
2039 |
1674 |
674 |
10 |
0 |
0 |
| ODI |
0 |
34 |
1869 |
1651 |
5212 |
846 |
0 |
0 |
| CDI |
0 |
1 |
2737 |
1360 |
5312 |
7318 |
201 |
0 |
| VCDI |
0 |
0 |
4053 |
1859 |
409 |
696 |
100 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-03:
| 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 |
121098 |
23254 |
780 |
698 |
36 |
0 |
0 |
0 |
| OW |
0 |
1718 |
613 |
788 |
84 |
3 |
0 |
0 |
| VODI |
0 |
373 |
597 |
2690 |
835 |
22 |
0 |
0 |
| ODI |
0 |
56 |
98 |
2190 |
6209 |
737 |
4 |
0 |
| CDI |
0 |
7 |
7 |
186 |
6395 |
10165 |
325 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
287 |
5170 |
1623 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-05:
| 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 |
122418 |
24099 |
922 |
558 |
59 |
0 |
0 |
0 |
| OW |
0 |
613 |
548 |
727 |
64 |
0 |
0 |
0 |
| VODI |
0 |
170 |
379 |
2474 |
894 |
18 |
0 |
0 |
| ODI |
0 |
14 |
38 |
1593 |
7723 |
947 |
0 |
0 |
| CDI |
0 |
5 |
2 |
86 |
4289 |
12157 |
363 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
11 |
4736 |
1139 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-07:
| 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 |
123268 |
23120 |
766 |
666 |
50 |
0 |
0 |
0 |
| OW |
0 |
940 |
556 |
709 |
47 |
1 |
0 |
0 |
| VODI |
0 |
262 |
388 |
2382 |
838 |
4 |
0 |
0 |
| ODI |
0 |
28 |
99 |
1885 |
6206 |
1716 |
0 |
0 |
| CDI |
0 |
5 |
1 |
174 |
5090 |
10514 |
396 |
0 |
| VCDI |
0 |
1 |
0 |
2 |
134 |
6358 |
442 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123268 |
23037 |
811 |
741 |
53 |
0 |
0 |
0 |
| OW |
0 |
944 |
477 |
621 |
70 |
1 |
0 |
0 |
| VODI |
0 |
335 |
420 |
2401 |
836 |
6 |
0 |
0 |
| ODI |
0 |
32 |
99 |
1851 |
5917 |
1647 |
3 |
0 |
| CDI |
0 |
6 |
3 |
202 |
5271 |
10215 |
386 |
0 |
| VCDI |
0 |
2 |
0 |
2 |
218 |
6724 |
449 |
0 |
|
Date: 2023-09-09:
| 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 |
126210 |
20436 |
555 |
503 |
13 |
0 |
0 |
0 |
| OW |
0 |
1247 |
474 |
743 |
49 |
0 |
0 |
0 |
| VODI |
0 |
356 |
442 |
2284 |
800 |
7 |
0 |
0 |
| ODI |
0 |
47 |
129 |
2146 |
6044 |
1132 |
1 |
0 |
| CDI |
0 |
1 |
9 |
433 |
4859 |
8958 |
243 |
0 |
| VCDI |
0 |
0 |
2 |
2 |
135 |
7851 |
937 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
126210 |
20271 |
625 |
588 |
16 |
0 |
0 |
0 |
| OW |
0 |
1310 |
406 |
679 |
69 |
0 |
0 |
0 |
| VODI |
0 |
444 |
443 |
2295 |
745 |
15 |
0 |
0 |
| ODI |
0 |
61 |
127 |
2085 |
5790 |
1133 |
0 |
0 |
| CDI |
0 |
1 |
8 |
461 |
5144 |
8647 |
261 |
0 |
| VCDI |
0 |
0 |
2 |
3 |
136 |
8153 |
920 |
0 |
|
Date: 2023-09-11:
| 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 |
126246 |
21404 |
722 |
645 |
31 |
0 |
0 |
0 |
| OW |
0 |
812 |
449 |
742 |
59 |
0 |
0 |
0 |
| VODI |
0 |
206 |
358 |
3029 |
844 |
2 |
0 |
0 |
| ODI |
0 |
7 |
20 |
1310 |
9185 |
707 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
1999 |
12501 |
106 |
0 |
| VCDI |
0 |
0 |
1 |
4 |
9 |
4664 |
970 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
126244 |
20093 |
562 |
631 |
50 |
0 |
0 |
0 |
| OW |
2 |
1496 |
388 |
697 |
128 |
0 |
0 |
0 |
| VODI |
0 |
685 |
431 |
1918 |
858 |
70 |
0 |
0 |
| ODI |
0 |
151 |
154 |
1921 |
4955 |
714 |
0 |
0 |
| CDI |
0 |
4 |
14 |
575 |
5942 |
7038 |
152 |
0 |
| VCDI |
0 |
0 |
1 |
4 |
194 |
10052 |
924 |
0 |
|
Date: 2023-09-13:
| 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 |
126030 |
21666 |
692 |
770 |
94 |
0 |
0 |
0 |
| OW |
0 |
931 |
394 |
814 |
190 |
0 |
0 |
0 |
| VODI |
0 |
249 |
330 |
2207 |
923 |
100 |
0 |
0 |
| ODI |
0 |
9 |
30 |
1311 |
7772 |
1366 |
29 |
0 |
| CDI |
0 |
0 |
0 |
23 |
2722 |
9071 |
1318 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
14 |
6708 |
1278 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
126030 |
20187 |
525 |
682 |
91 |
0 |
0 |
0 |
| OW |
0 |
1630 |
305 |
623 |
171 |
1 |
0 |
0 |
| VODI |
0 |
885 |
443 |
1785 |
740 |
84 |
0 |
0 |
| ODI |
0 |
149 |
154 |
1754 |
4455 |
683 |
11 |
0 |
| CDI |
0 |
4 |
19 |
281 |
6066 |
6500 |
786 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
192 |
9977 |
1828 |
0 |
|
Date: 2023-09-15:
| 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 |
127852 |
19615 |
577 |
673 |
213 |
9 |
0 |
0 |
| OW |
0 |
1203 |
434 |
727 |
221 |
4 |
0 |
0 |
| VODI |
0 |
329 |
363 |
1931 |
914 |
73 |
0 |
0 |
| ODI |
0 |
43 |
72 |
1313 |
6775 |
1439 |
34 |
0 |
| CDI |
0 |
0 |
2 |
184 |
3353 |
7991 |
883 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
31 |
7430 |
2359 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
127852 |
17935 |
518 |
731 |
235 |
11 |
0 |
0 |
| OW |
0 |
1839 |
222 |
536 |
232 |
10 |
0 |
0 |
| VODI |
0 |
1181 |
459 |
1426 |
799 |
48 |
0 |
0 |
| ODI |
0 |
203 |
204 |
1620 |
3887 |
611 |
6 |
0 |
| CDI |
0 |
32 |
45 |
516 |
5973 |
6870 |
514 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
381 |
9396 |
2756 |
0 |
|
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