Validation of sea ice concentration - Full domain
Bulletin date: 2021-10-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-08:
| 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 |
115782 |
19465 |
207 |
816 |
201 |
66 |
0 |
0 |
| OW |
3 |
1380 |
190 |
1206 |
476 |
83 |
0 |
0 |
| VODI |
0 |
224 |
51 |
712 |
1082 |
407 |
0 |
0 |
| ODI |
0 |
9 |
10 |
217 |
846 |
850 |
95 |
0 |
| CDI |
0 |
0 |
1 |
64 |
658 |
1888 |
632 |
11 |
| VCDI |
0 |
0 |
0 |
13 |
188 |
4825 |
16351 |
18039 |
|
...date precedes bulletin
|
Date: 2021-10-10:
| 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 |
114395 |
18493 |
177 |
936 |
275 |
26 |
0 |
0 |
| OW |
22 |
2063 |
150 |
1234 |
702 |
103 |
0 |
0 |
| VODI |
0 |
227 |
71 |
763 |
1190 |
501 |
0 |
0 |
| ODI |
0 |
12 |
6 |
270 |
788 |
952 |
86 |
0 |
| CDI |
0 |
0 |
0 |
79 |
703 |
1642 |
569 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
293 |
4175 |
14715 |
21420 |
|
...date precedes bulletin
|
Date: 2021-10-12:
| 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 |
112808 |
19665 |
233 |
885 |
293 |
0 |
0 |
0 |
| OW |
19 |
1101 |
136 |
1147 |
415 |
37 |
0 |
0 |
| VODI |
0 |
116 |
34 |
984 |
1149 |
114 |
0 |
0 |
| ODI |
0 |
0 |
1 |
210 |
1404 |
521 |
7 |
0 |
| CDI |
0 |
0 |
0 |
9 |
860 |
2662 |
192 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
59 |
3424 |
15713 |
22850 |
|
...date precedes bulletin
|
Date: 2021-10-14:
| 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 |
112039 |
18468 |
162 |
630 |
286 |
8 |
0 |
0 |
| OW |
34 |
1790 |
175 |
1145 |
569 |
28 |
0 |
0 |
| VODI |
14 |
290 |
69 |
1233 |
1011 |
280 |
1 |
0 |
| ODI |
0 |
31 |
10 |
451 |
841 |
549 |
64 |
0 |
| CDI |
0 |
5 |
0 |
141 |
1081 |
1476 |
334 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
309 |
4722 |
16583 |
22213 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
112058 |
18574 |
183 |
791 |
474 |
16 |
0 |
0 |
| OW |
12 |
1633 |
141 |
929 |
509 |
43 |
0 |
0 |
| VODI |
17 |
332 |
80 |
1295 |
921 |
326 |
16 |
0 |
| ODI |
0 |
36 |
12 |
405 |
840 |
505 |
147 |
0 |
| CDI |
0 |
9 |
0 |
164 |
917 |
1456 |
404 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
436 |
4717 |
16415 |
22213 |
|
Date: 2021-10-16:
| 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 |
111055 |
17423 |
190 |
636 |
185 |
3 |
0 |
0 |
| OW |
6 |
1678 |
145 |
1148 |
765 |
85 |
0 |
0 |
| VODI |
0 |
483 |
94 |
981 |
1559 |
388 |
3 |
0 |
| ODI |
0 |
74 |
29 |
362 |
1080 |
611 |
78 |
0 |
| CDI |
0 |
34 |
3 |
140 |
996 |
1020 |
276 |
0 |
| VCDI |
0 |
2 |
2 |
54 |
785 |
5610 |
13602 |
25463 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111057 |
17810 |
204 |
815 |
337 |
2 |
0 |
0 |
| OW |
4 |
1301 |
141 |
944 |
643 |
105 |
0 |
0 |
| VODI |
0 |
483 |
91 |
1044 |
1572 |
413 |
5 |
0 |
| ODI |
0 |
64 |
21 |
321 |
1135 |
601 |
116 |
0 |
| CDI |
0 |
30 |
4 |
129 |
838 |
1119 |
296 |
0 |
| VCDI |
0 |
6 |
2 |
68 |
845 |
5477 |
13542 |
25463 |
|
Date: 2021-10-18:
| 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 |
109354 |
17341 |
224 |
853 |
59 |
7 |
0 |
0 |
| OW |
13 |
968 |
180 |
1106 |
279 |
28 |
0 |
0 |
| VODI |
0 |
172 |
49 |
1037 |
1123 |
90 |
0 |
0 |
| ODI |
0 |
24 |
11 |
192 |
2038 |
664 |
0 |
0 |
| CDI |
0 |
3 |
3 |
63 |
926 |
3402 |
282 |
1 |
| VCDI |
0 |
0 |
0 |
11 |
341 |
6471 |
15775 |
23958 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109336 |
16645 |
258 |
1235 |
334 |
74 |
0 |
0 |
| OW |
29 |
1247 |
99 |
839 |
724 |
235 |
0 |
0 |
| VODI |
2 |
523 |
78 |
705 |
1529 |
1025 |
54 |
0 |
| ODI |
0 |
77 |
22 |
271 |
956 |
1086 |
281 |
0 |
| CDI |
0 |
14 |
8 |
152 |
599 |
1508 |
598 |
0 |
| VCDI |
0 |
2 |
2 |
60 |
624 |
6734 |
15124 |
23959 |
|
Date: 2021-10-20:
| 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 |
109253 |
14598 |
185 |
973 |
240 |
0 |
0 |
0 |
| OW |
19 |
1430 |
144 |
1001 |
996 |
45 |
0 |
0 |
| VODI |
0 |
291 |
71 |
897 |
1197 |
292 |
0 |
0 |
| ODI |
0 |
32 |
27 |
426 |
1035 |
837 |
22 |
0 |
| CDI |
0 |
0 |
2 |
183 |
1217 |
1895 |
309 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
653 |
7226 |
20068 |
21469 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
109255 |
14132 |
176 |
1100 |
576 |
62 |
0 |
0 |
| OW |
17 |
1513 |
127 |
757 |
934 |
274 |
0 |
0 |
| VODI |
0 |
566 |
74 |
895 |
1314 |
949 |
56 |
0 |
| ODI |
0 |
121 |
38 |
445 |
745 |
1303 |
576 |
0 |
| CDI |
0 |
11 |
13 |
235 |
973 |
981 |
876 |
1 |
| VCDI |
0 |
8 |
1 |
63 |
796 |
6726 |
18891 |
21468 |
|
Date: 2021-10-22:
| 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 |
107700 |
13572 |
170 |
800 |
211 |
4 |
0 |
0 |
| OW |
18 |
1243 |
121 |
1239 |
1396 |
433 |
0 |
0 |
| VODI |
0 |
414 |
69 |
748 |
1366 |
960 |
57 |
0 |
| ODI |
0 |
96 |
36 |
426 |
762 |
863 |
87 |
0 |
| CDI |
0 |
20 |
11 |
280 |
957 |
1308 |
456 |
2 |
| VCDI |
0 |
0 |
2 |
83 |
1286 |
8094 |
16439 |
25319 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
107707 |
13324 |
192 |
1110 |
861 |
213 |
0 |
0 |
| OW |
11 |
1123 |
88 |
849 |
1043 |
530 |
38 |
0 |
| VODI |
0 |
628 |
71 |
839 |
1281 |
1110 |
224 |
0 |
| ODI |
0 |
161 |
33 |
395 |
724 |
1088 |
788 |
14 |
| CDI |
0 |
66 |
15 |
199 |
808 |
1004 |
979 |
88 |
| VCDI |
0 |
43 |
10 |
184 |
1261 |
7717 |
15010 |
25219 |
|
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