Validation of sea ice concentration - Full domain
Bulletin date: 2022-09-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-16:
| 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 |
122213 |
20303 |
1582 |
852 |
70 |
9 |
0 |
0 |
| OW |
12 |
760 |
685 |
837 |
139 |
7 |
0 |
0 |
| VODI |
0 |
183 |
402 |
1560 |
767 |
73 |
0 |
0 |
| ODI |
0 |
19 |
56 |
907 |
2499 |
1026 |
6 |
0 |
| CDI |
0 |
2 |
3 |
127 |
1683 |
11165 |
1144 |
0 |
| VCDI |
0 |
6 |
0 |
15 |
36 |
7175 |
10281 |
444 |
|
...date precedes bulletin
|
Date: 2022-09-18:
| 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 |
122834 |
19431 |
1189 |
777 |
71 |
0 |
0 |
0 |
| OW |
0 |
991 |
636 |
868 |
230 |
13 |
0 |
0 |
| VODI |
0 |
263 |
446 |
1472 |
825 |
181 |
0 |
0 |
| ODI |
0 |
17 |
75 |
794 |
1544 |
963 |
21 |
0 |
| CDI |
0 |
4 |
5 |
172 |
1307 |
10032 |
2025 |
0 |
| VCDI |
0 |
4 |
3 |
12 |
77 |
5030 |
13587 |
1149 |
|
...date precedes bulletin
|
Date: 2022-09-20:
| 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 |
119729 |
22435 |
1598 |
1063 |
118 |
1 |
0 |
0 |
| OW |
0 |
397 |
638 |
955 |
232 |
13 |
0 |
0 |
| VODI |
0 |
59 |
201 |
1447 |
1015 |
131 |
0 |
0 |
| ODI |
0 |
1 |
17 |
391 |
1751 |
702 |
15 |
0 |
| CDI |
0 |
2 |
1 |
90 |
729 |
6745 |
1726 |
0 |
| VCDI |
0 |
5 |
0 |
42 |
115 |
6053 |
17242 |
1389 |
|
...date precedes bulletin
|
Date: 2022-09-22:
| 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 |
121830 |
19963 |
1238 |
915 |
152 |
30 |
8 |
0 |
| OW |
1 |
893 |
679 |
882 |
254 |
8 |
0 |
0 |
| VODI |
0 |
135 |
279 |
1311 |
1035 |
157 |
0 |
0 |
| ODI |
0 |
6 |
26 |
410 |
1372 |
615 |
30 |
0 |
| CDI |
0 |
0 |
6 |
121 |
630 |
4372 |
1145 |
0 |
| VCDI |
0 |
5 |
2 |
106 |
273 |
5618 |
21032 |
1509 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121831 |
20117 |
1415 |
1039 |
219 |
30 |
8 |
0 |
| OW |
0 |
749 |
525 |
765 |
231 |
16 |
0 |
0 |
| VODI |
0 |
125 |
257 |
1221 |
910 |
166 |
4 |
0 |
| ODI |
0 |
6 |
26 |
523 |
1364 |
601 |
40 |
0 |
| CDI |
0 |
0 |
5 |
98 |
716 |
4173 |
1232 |
0 |
| VCDI |
0 |
5 |
2 |
99 |
276 |
5814 |
20931 |
1509 |
|
Date: 2022-09-24:
| 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 |
122609 |
17947 |
788 |
1006 |
258 |
9 |
1 |
0 |
| OW |
2 |
1557 |
544 |
855 |
532 |
51 |
0 |
0 |
| VODI |
0 |
355 |
238 |
933 |
1104 |
273 |
1 |
0 |
| ODI |
0 |
59 |
75 |
332 |
1076 |
866 |
22 |
0 |
| CDI |
0 |
10 |
27 |
165 |
721 |
2644 |
636 |
0 |
| VCDI |
0 |
5 |
1 |
90 |
508 |
14860 |
15543 |
345 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122610 |
18315 |
965 |
1103 |
376 |
12 |
0 |
0 |
| OW |
1 |
1150 |
349 |
820 |
436 |
59 |
1 |
0 |
| VODI |
0 |
385 |
248 |
834 |
1043 |
242 |
2 |
0 |
| ODI |
0 |
62 |
77 |
366 |
1046 |
798 |
31 |
0 |
| CDI |
0 |
16 |
30 |
172 |
821 |
2470 |
645 |
0 |
| VCDI |
0 |
5 |
4 |
86 |
477 |
15122 |
15524 |
345 |
|
Date: 2022-09-26:
| 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 |
121172 |
19694 |
1604 |
866 |
89 |
2 |
0 |
0 |
| OW |
1 |
514 |
496 |
902 |
276 |
18 |
1 |
0 |
| VODI |
0 |
144 |
191 |
1004 |
914 |
131 |
0 |
0 |
| ODI |
0 |
11 |
29 |
348 |
1519 |
543 |
3 |
0 |
| CDI |
0 |
3 |
12 |
94 |
762 |
3685 |
426 |
0 |
| VCDI |
0 |
2 |
1 |
21 |
170 |
12340 |
18731 |
329 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121173 |
18261 |
1336 |
758 |
206 |
64 |
1 |
0 |
| OW |
0 |
1417 |
528 |
833 |
464 |
108 |
2 |
0 |
| VODI |
0 |
543 |
293 |
920 |
878 |
308 |
4 |
0 |
| ODI |
0 |
108 |
95 |
355 |
1054 |
782 |
60 |
0 |
| CDI |
0 |
31 |
68 |
289 |
711 |
1908 |
569 |
0 |
| VCDI |
0 |
8 |
13 |
80 |
417 |
13549 |
18525 |
329 |
|
Date: 2022-09-28:
| 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 |
122340 |
17848 |
987 |
839 |
223 |
182 |
0 |
0 |
| OW |
0 |
614 |
432 |
989 |
408 |
207 |
2 |
0 |
| VODI |
0 |
108 |
154 |
606 |
1168 |
382 |
3 |
0 |
| ODI |
0 |
26 |
45 |
187 |
954 |
910 |
13 |
0 |
| CDI |
0 |
16 |
30 |
128 |
604 |
2659 |
928 |
0 |
| VCDI |
0 |
1 |
1 |
7 |
193 |
12150 |
20680 |
24 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122340 |
16307 |
696 |
647 |
283 |
300 |
0 |
0 |
| OW |
0 |
1369 |
350 |
637 |
581 |
281 |
6 |
0 |
| VODI |
0 |
752 |
422 |
964 |
845 |
599 |
61 |
0 |
| ODI |
0 |
120 |
98 |
280 |
920 |
865 |
129 |
0 |
| CDI |
0 |
51 |
70 |
179 |
638 |
1869 |
719 |
0 |
| VCDI |
0 |
14 |
13 |
49 |
283 |
12576 |
20711 |
24 |
|
Date: 2022-09-30:
| 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 |
120284 |
19073 |
824 |
695 |
228 |
33 |
0 |
0 |
| OW |
9 |
1043 |
514 |
880 |
601 |
63 |
0 |
0 |
| VODI |
0 |
149 |
244 |
694 |
1161 |
331 |
10 |
0 |
| ODI |
0 |
29 |
69 |
268 |
982 |
715 |
26 |
0 |
| CDI |
0 |
6 |
39 |
172 |
803 |
2229 |
592 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
259 |
12352 |
21599 |
55 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120283 |
17761 |
611 |
584 |
565 |
127 |
0 |
0 |
| OW |
10 |
1401 |
361 |
428 |
524 |
127 |
8 |
0 |
| VODI |
0 |
913 |
434 |
865 |
971 |
758 |
55 |
0 |
| ODI |
0 |
163 |
190 |
509 |
651 |
767 |
125 |
0 |
| CDI |
0 |
58 |
70 |
263 |
886 |
1333 |
599 |
0 |
| VCDI |
0 |
4 |
24 |
77 |
437 |
12611 |
21440 |
55 |
|
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