Validation of sea ice concentration - Full domain
Bulletin date: 2022-10-06
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-10-02:
| 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 |
117348 |
20650 |
1005 |
484 |
189 |
5 |
0 |
0 |
| OW |
8 |
1256 |
626 |
984 |
527 |
36 |
0 |
0 |
| VODI |
0 |
204 |
217 |
758 |
1285 |
316 |
10 |
0 |
| ODI |
0 |
48 |
66 |
304 |
940 |
835 |
33 |
0 |
| CDI |
0 |
16 |
42 |
158 |
675 |
1887 |
446 |
0 |
| VCDI |
0 |
3 |
10 |
21 |
197 |
9473 |
25538 |
448 |
|
...date precedes bulletin
|
Date: 2022-10-04:
| 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 |
117548 |
20698 |
1125 |
711 |
133 |
0 |
0 |
0 |
| OW |
5 |
482 |
469 |
793 |
241 |
11 |
0 |
0 |
| VODI |
0 |
103 |
223 |
892 |
921 |
78 |
0 |
0 |
| ODI |
0 |
17 |
31 |
337 |
1605 |
448 |
9 |
0 |
| CDI |
0 |
7 |
7 |
109 |
1088 |
2255 |
219 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
179 |
8064 |
27151 |
1078 |
|
...date precedes bulletin
|
Date: 2022-10-06:
| 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 |
114441 |
22219 |
1691 |
508 |
104 |
0 |
0 |
0 |
| OW |
60 |
927 |
563 |
732 |
212 |
14 |
0 |
0 |
| VODI |
0 |
161 |
328 |
1045 |
707 |
113 |
0 |
0 |
| ODI |
0 |
29 |
56 |
540 |
1166 |
427 |
7 |
0 |
| CDI |
0 |
5 |
32 |
228 |
1179 |
1757 |
144 |
0 |
| VCDI |
0 |
0 |
0 |
49 |
412 |
11612 |
23475 |
2105 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
114457 |
22332 |
1757 |
590 |
120 |
0 |
0 |
0 |
| OW |
44 |
830 |
496 |
619 |
174 |
10 |
0 |
0 |
| VODI |
0 |
156 |
334 |
1058 |
719 |
125 |
1 |
0 |
| ODI |
0 |
23 |
58 |
525 |
1125 |
526 |
10 |
0 |
| CDI |
0 |
0 |
25 |
265 |
1251 |
1786 |
151 |
0 |
| VCDI |
0 |
0 |
0 |
45 |
391 |
11476 |
23464 |
2105 |
|
Date: 2022-10-08:
| 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 |
115670 |
18955 |
1868 |
445 |
153 |
7 |
0 |
0 |
| OW |
205 |
1584 |
620 |
804 |
279 |
9 |
0 |
0 |
| VODI |
7 |
235 |
328 |
882 |
1078 |
187 |
0 |
0 |
| ODI |
0 |
47 |
87 |
449 |
1109 |
452 |
4 |
0 |
| CDI |
0 |
20 |
84 |
220 |
1271 |
1023 |
108 |
0 |
| VCDI |
0 |
0 |
24 |
163 |
1346 |
13855 |
22509 |
961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115795 |
19069 |
1923 |
484 |
176 |
9 |
0 |
0 |
| OW |
77 |
1361 |
516 |
707 |
186 |
7 |
0 |
0 |
| VODI |
10 |
354 |
389 |
895 |
1116 |
221 |
0 |
0 |
| ODI |
0 |
40 |
81 |
484 |
1107 |
498 |
5 |
0 |
| CDI |
0 |
17 |
79 |
212 |
1281 |
1009 |
132 |
0 |
| VCDI |
0 |
0 |
23 |
181 |
1370 |
13789 |
22484 |
961 |
|
Date: 2022-10-10:
| 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 |
115368 |
19749 |
1011 |
614 |
188 |
23 |
0 |
0 |
| OW |
71 |
870 |
542 |
906 |
220 |
0 |
0 |
0 |
| VODI |
25 |
129 |
188 |
1059 |
1081 |
90 |
15 |
0 |
| ODI |
0 |
45 |
39 |
277 |
1909 |
726 |
28 |
0 |
| CDI |
0 |
18 |
44 |
116 |
702 |
2477 |
219 |
0 |
| VCDI |
0 |
0 |
1 |
35 |
404 |
8655 |
27275 |
1929 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
115349 |
18527 |
796 |
631 |
254 |
23 |
0 |
0 |
| OW |
80 |
1483 |
544 |
695 |
348 |
47 |
0 |
0 |
| VODI |
35 |
619 |
309 |
1034 |
1171 |
497 |
0 |
0 |
| ODI |
0 |
112 |
76 |
306 |
1051 |
769 |
25 |
0 |
| CDI |
0 |
63 |
71 |
197 |
878 |
1293 |
152 |
0 |
| VCDI |
0 |
7 |
29 |
144 |
802 |
9342 |
27360 |
1929 |
|
Date: 2022-10-12:
| 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 |
109806 |
22894 |
1112 |
928 |
262 |
91 |
0 |
0 |
| OW |
29 |
937 |
559 |
1002 |
585 |
50 |
0 |
0 |
| VODI |
4 |
340 |
200 |
801 |
1396 |
293 |
2 |
0 |
| ODI |
0 |
55 |
39 |
181 |
1404 |
890 |
36 |
0 |
| CDI |
0 |
63 |
34 |
96 |
839 |
1948 |
395 |
0 |
| VCDI |
0 |
9 |
21 |
66 |
314 |
6180 |
27460 |
5727 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109769 |
21856 |
924 |
885 |
330 |
106 |
0 |
0 |
| OW |
56 |
1330 |
493 |
776 |
491 |
92 |
0 |
0 |
| VODI |
14 |
852 |
375 |
931 |
1394 |
540 |
32 |
0 |
| ODI |
0 |
137 |
97 |
246 |
1068 |
944 |
163 |
0 |
| CDI |
0 |
87 |
43 |
146 |
853 |
1244 |
360 |
0 |
| VCDI |
0 |
36 |
33 |
90 |
664 |
6526 |
27338 |
5727 |
|
Date: 2022-10-14:
| 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 |
109233 |
21311 |
1108 |
909 |
300 |
64 |
0 |
0 |
| OW |
57 |
1069 |
562 |
1011 |
772 |
119 |
0 |
0 |
| VODI |
23 |
239 |
156 |
735 |
1353 |
957 |
20 |
0 |
| ODI |
0 |
65 |
63 |
144 |
767 |
1271 |
174 |
0 |
| CDI |
0 |
44 |
43 |
113 |
425 |
1945 |
570 |
0 |
| VCDI |
0 |
14 |
33 |
93 |
282 |
5728 |
28123 |
7153 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109127 |
20232 |
994 |
952 |
468 |
146 |
0 |
0 |
| OW |
109 |
1343 |
439 |
765 |
592 |
253 |
1 |
0 |
| VODI |
76 |
893 |
324 |
786 |
1111 |
897 |
95 |
0 |
| ODI |
1 |
168 |
93 |
254 |
942 |
1285 |
319 |
0 |
| CDI |
0 |
84 |
68 |
150 |
434 |
1409 |
706 |
4 |
| VCDI |
0 |
22 |
47 |
98 |
352 |
6094 |
27766 |
7149 |
|
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