Validation of sea ice concentration - Full domain
Bulletin date: 2022-09-01
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-26:
| 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 |
112924 |
22594 |
2038 |
1004 |
61 |
0 |
0 |
0 |
| OW |
0 |
676 |
735 |
1468 |
107 |
0 |
0 |
0 |
| VODI |
0 |
148 |
512 |
4010 |
1172 |
41 |
1 |
0 |
| ODI |
0 |
5 |
37 |
1741 |
5896 |
888 |
18 |
0 |
| CDI |
0 |
8 |
7 |
233 |
7154 |
8517 |
832 |
0 |
| VCDI |
0 |
3 |
1 |
4 |
158 |
4577 |
8591 |
887 |
|
...date precedes bulletin
|
Date: 2022-08-28:
| 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 |
108375 |
25700 |
3845 |
800 |
53 |
5 |
1 |
0 |
| OW |
0 |
820 |
1002 |
1225 |
81 |
3 |
0 |
0 |
| VODI |
0 |
218 |
821 |
3763 |
913 |
76 |
8 |
0 |
| ODI |
0 |
15 |
40 |
1982 |
5721 |
790 |
58 |
0 |
| CDI |
0 |
8 |
3 |
389 |
6901 |
8465 |
717 |
14 |
| VCDI |
0 |
1 |
1 |
2 |
42 |
4969 |
8837 |
384 |
|
...date precedes bulletin
|
Date: 2022-08-30:
| 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 |
107682 |
26873 |
4088 |
2574 |
337 |
0 |
0 |
0 |
| OW |
0 |
376 |
746 |
1281 |
89 |
4 |
0 |
0 |
| VODI |
0 |
91 |
491 |
3506 |
915 |
37 |
3 |
0 |
| ODI |
0 |
9 |
19 |
1522 |
8689 |
1507 |
59 |
0 |
| CDI |
0 |
10 |
2 |
205 |
2913 |
8292 |
1020 |
1 |
| VCDI |
0 |
0 |
0 |
2 |
26 |
5996 |
7074 |
609 |
|
...date precedes bulletin
|
Date: 2022-09-01:
| 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 |
111335 |
26606 |
2591 |
1251 |
69 |
7 |
1 |
0 |
| OW |
0 |
523 |
687 |
1228 |
90 |
5 |
0 |
0 |
| VODI |
0 |
138 |
608 |
2908 |
1170 |
127 |
0 |
0 |
| ODI |
0 |
12 |
47 |
1604 |
6735 |
2680 |
237 |
0 |
| CDI |
0 |
7 |
4 |
281 |
2751 |
8183 |
1075 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
119 |
6257 |
6818 |
892 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111335 |
26670 |
2718 |
1363 |
76 |
7 |
1 |
0 |
| OW |
0 |
445 |
615 |
1206 |
106 |
4 |
0 |
0 |
| VODI |
0 |
147 |
546 |
2883 |
1204 |
152 |
0 |
0 |
| ODI |
0 |
18 |
53 |
1567 |
6706 |
2616 |
241 |
0 |
| CDI |
0 |
6 |
5 |
253 |
2698 |
8104 |
868 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
144 |
6376 |
7021 |
892 |
|
Date: 2022-09-03:
| 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 |
114438 |
23469 |
2693 |
1099 |
101 |
10 |
2 |
0 |
| OW |
0 |
668 |
921 |
1079 |
78 |
2 |
0 |
0 |
| VODI |
0 |
166 |
709 |
3037 |
742 |
69 |
22 |
0 |
| ODI |
0 |
13 |
44 |
1976 |
6508 |
1845 |
73 |
0 |
| CDI |
0 |
12 |
38 |
533 |
3528 |
7152 |
1826 |
0 |
| VCDI |
0 |
0 |
1 |
9 |
342 |
6399 |
6916 |
528 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114438 |
23581 |
2776 |
1217 |
115 |
10 |
2 |
0 |
| OW |
0 |
525 |
880 |
1096 |
95 |
8 |
0 |
0 |
| VODI |
0 |
192 |
657 |
2996 |
811 |
62 |
24 |
0 |
| ODI |
0 |
19 |
55 |
1869 |
6273 |
1737 |
76 |
0 |
| CDI |
0 |
11 |
37 |
547 |
3618 |
7027 |
1696 |
0 |
| VCDI |
0 |
0 |
1 |
8 |
387 |
6633 |
7041 |
528 |
|
Date: 2022-09-05:
| 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 |
113863 |
25152 |
3594 |
1360 |
79 |
7 |
0 |
0 |
| OW |
0 |
302 |
705 |
1387 |
62 |
0 |
0 |
0 |
| VODI |
0 |
59 |
243 |
3184 |
965 |
20 |
0 |
0 |
| ODI |
0 |
5 |
32 |
1431 |
7078 |
1606 |
10 |
0 |
| CDI |
0 |
9 |
13 |
228 |
2931 |
8871 |
679 |
4 |
| VCDI |
0 |
2 |
4 |
7 |
210 |
6015 |
6267 |
664 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
113863 |
24454 |
2662 |
1005 |
119 |
9 |
0 |
0 |
| OW |
0 |
746 |
917 |
920 |
90 |
30 |
0 |
0 |
| VODI |
0 |
277 |
851 |
2569 |
680 |
89 |
1 |
0 |
| ODI |
0 |
38 |
122 |
2274 |
5187 |
1499 |
23 |
0 |
| CDI |
0 |
12 |
34 |
803 |
4546 |
6856 |
591 |
24 |
| VCDI |
0 |
2 |
5 |
26 |
703 |
8036 |
6341 |
644 |
|
Date: 2022-09-07:
| 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 |
118559 |
21524 |
2631 |
1379 |
193 |
10 |
0 |
0 |
| OW |
0 |
311 |
645 |
1348 |
130 |
11 |
0 |
0 |
| VODI |
0 |
66 |
239 |
2592 |
940 |
139 |
1 |
0 |
| ODI |
0 |
10 |
35 |
1591 |
5164 |
1930 |
137 |
0 |
| CDI |
0 |
10 |
27 |
255 |
3157 |
8745 |
1582 |
0 |
| VCDI |
0 |
2 |
0 |
18 |
192 |
7354 |
5473 |
648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118559 |
20782 |
1706 |
1006 |
150 |
9 |
0 |
0 |
| OW |
0 |
705 |
866 |
843 |
152 |
38 |
11 |
0 |
| VODI |
0 |
339 |
746 |
2214 |
659 |
106 |
47 |
0 |
| ODI |
0 |
76 |
222 |
2138 |
3817 |
1760 |
70 |
0 |
| CDI |
0 |
19 |
28 |
925 |
4435 |
6658 |
1119 |
5 |
| VCDI |
0 |
2 |
9 |
57 |
563 |
9618 |
5946 |
643 |
|
Date: 2022-09-09:
| 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 |
118580 |
22123 |
2179 |
1111 |
124 |
23 |
0 |
0 |
| OW |
0 |
416 |
943 |
1305 |
121 |
7 |
0 |
0 |
| VODI |
0 |
88 |
345 |
2284 |
1014 |
101 |
5 |
0 |
| ODI |
0 |
5 |
45 |
1285 |
4315 |
1956 |
94 |
0 |
| CDI |
0 |
8 |
19 |
309 |
3584 |
9212 |
1252 |
0 |
| VCDI |
0 |
3 |
4 |
17 |
364 |
7862 |
5563 |
382 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118580 |
21208 |
1376 |
806 |
135 |
35 |
0 |
0 |
| OW |
0 |
874 |
866 |
708 |
132 |
22 |
14 |
0 |
| VODI |
0 |
465 |
894 |
1899 |
676 |
89 |
42 |
0 |
| ODI |
0 |
84 |
364 |
1871 |
3338 |
1567 |
76 |
0 |
| CDI |
0 |
7 |
19 |
946 |
4414 |
7067 |
732 |
0 |
| VCDI |
0 |
5 |
16 |
81 |
827 |
10381 |
6050 |
382 |
|
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