Validation of sea ice concentration - Full domain
Bulletin date: 2022-09-15
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-09-11:
| 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 |
120280 |
20660 |
1762 |
992 |
111 |
13 |
0 |
0 |
| OW |
0 |
677 |
995 |
1170 |
189 |
3 |
0 |
0 |
| VODI |
0 |
180 |
437 |
1889 |
1129 |
103 |
0 |
0 |
| ODI |
0 |
12 |
51 |
1113 |
3557 |
1716 |
43 |
0 |
| CDI |
0 |
4 |
9 |
351 |
2758 |
10368 |
1402 |
0 |
| VCDI |
0 |
6 |
3 |
18 |
171 |
8257 |
6186 |
433 |
|
...date precedes bulletin
|
Date: 2022-09-13:
| 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 |
121154 |
21210 |
2127 |
1155 |
64 |
13 |
0 |
0 |
| OW |
0 |
323 |
527 |
972 |
177 |
16 |
0 |
0 |
| VODI |
0 |
68 |
217 |
1695 |
921 |
120 |
0 |
0 |
| ODI |
0 |
5 |
19 |
633 |
4428 |
1193 |
2 |
0 |
| CDI |
0 |
6 |
0 |
108 |
1818 |
11440 |
1127 |
0 |
| VCDI |
0 |
2 |
4 |
11 |
56 |
7931 |
7466 |
40 |
|
...date precedes bulletin
|
Date: 2022-09-15:
| 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 |
122620 |
19976 |
1691 |
955 |
37 |
10 |
0 |
0 |
| OW |
0 |
590 |
747 |
858 |
122 |
0 |
0 |
0 |
| VODI |
0 |
138 |
325 |
1684 |
744 |
43 |
0 |
0 |
| ODI |
0 |
21 |
43 |
850 |
3012 |
1087 |
10 |
0 |
| CDI |
0 |
2 |
3 |
108 |
1841 |
11309 |
1242 |
0 |
| VCDI |
0 |
5 |
2 |
17 |
43 |
8106 |
8595 |
212 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122620 |
19941 |
1721 |
1150 |
64 |
10 |
0 |
0 |
| OW |
0 |
592 |
692 |
782 |
136 |
0 |
0 |
0 |
| VODI |
0 |
167 |
331 |
1406 |
708 |
40 |
0 |
0 |
| ODI |
0 |
25 |
62 |
989 |
2409 |
774 |
10 |
0 |
| CDI |
0 |
2 |
3 |
131 |
2445 |
11732 |
1208 |
0 |
| VCDI |
0 |
5 |
2 |
14 |
37 |
7999 |
8629 |
212 |
|
Date: 2022-09-17:
| 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 |
121848 |
20656 |
1364 |
756 |
64 |
7 |
4 |
0 |
| OW |
36 |
891 |
706 |
810 |
137 |
10 |
0 |
0 |
| VODI |
3 |
224 |
440 |
1592 |
724 |
103 |
0 |
0 |
| ODI |
0 |
17 |
71 |
886 |
1910 |
1082 |
6 |
0 |
| CDI |
0 |
4 |
5 |
162 |
1515 |
10650 |
1446 |
0 |
| VCDI |
0 |
4 |
3 |
8 |
49 |
6012 |
12202 |
641 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121837 |
20496 |
1396 |
976 |
107 |
7 |
4 |
0 |
| OW |
44 |
1027 |
625 |
601 |
154 |
23 |
0 |
0 |
| VODI |
6 |
246 |
476 |
1444 |
612 |
97 |
0 |
0 |
| ODI |
0 |
19 |
80 |
991 |
1594 |
768 |
3 |
0 |
| CDI |
0 |
4 |
9 |
182 |
1824 |
10741 |
1569 |
0 |
| VCDI |
0 |
4 |
3 |
20 |
108 |
6228 |
12082 |
641 |
|
Date: 2022-09-19:
| 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 |
122761 |
19901 |
1450 |
876 |
49 |
0 |
0 |
0 |
| OW |
0 |
394 |
703 |
899 |
137 |
3 |
0 |
0 |
| VODI |
0 |
47 |
191 |
1756 |
824 |
68 |
0 |
0 |
| ODI |
0 |
3 |
17 |
409 |
1996 |
699 |
1 |
0 |
| CDI |
0 |
2 |
3 |
44 |
665 |
8749 |
1658 |
0 |
| VCDI |
0 |
4 |
1 |
7 |
47 |
5631 |
16315 |
738 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
122761 |
19069 |
1360 |
962 |
179 |
17 |
0 |
0 |
| OW |
0 |
990 |
500 |
697 |
233 |
57 |
0 |
0 |
| VODI |
0 |
270 |
431 |
1447 |
676 |
188 |
0 |
0 |
| ODI |
0 |
16 |
67 |
690 |
1230 |
801 |
31 |
0 |
| CDI |
0 |
2 |
6 |
174 |
1109 |
8455 |
2688 |
0 |
| VCDI |
0 |
4 |
1 |
21 |
291 |
5632 |
15255 |
738 |
|
Date: 2022-09-21:
| 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 |
121231 |
20705 |
1383 |
1081 |
156 |
14 |
9 |
0 |
| OW |
0 |
630 |
633 |
900 |
268 |
15 |
0 |
0 |
| VODI |
0 |
79 |
267 |
1460 |
956 |
120 |
2 |
0 |
| ODI |
0 |
4 |
27 |
393 |
1616 |
631 |
30 |
0 |
| CDI |
0 |
2 |
3 |
134 |
798 |
5155 |
1855 |
0 |
| VCDI |
0 |
5 |
3 |
72 |
201 |
5446 |
19378 |
1386 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121231 |
19561 |
1426 |
1137 |
273 |
18 |
9 |
0 |
| OW |
0 |
1371 |
374 |
642 |
338 |
50 |
0 |
0 |
| VODI |
0 |
428 |
351 |
1199 |
767 |
191 |
22 |
0 |
| ODI |
0 |
53 |
131 |
617 |
1055 |
588 |
89 |
0 |
| CDI |
0 |
7 |
31 |
286 |
1111 |
4957 |
2374 |
0 |
| VCDI |
0 |
5 |
3 |
159 |
451 |
5577 |
18780 |
1386 |
|
Date: 2022-09-23:
| 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 |
123577 |
17766 |
1125 |
808 |
180 |
21 |
2 |
0 |
| OW |
2 |
1238 |
592 |
936 |
321 |
24 |
0 |
0 |
| VODI |
0 |
226 |
262 |
1203 |
1022 |
214 |
0 |
0 |
| ODI |
0 |
11 |
53 |
433 |
1093 |
722 |
27 |
0 |
| CDI |
0 |
0 |
5 |
146 |
574 |
3268 |
911 |
0 |
| VCDI |
0 |
5 |
2 |
111 |
363 |
9699 |
19257 |
849 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123578 |
17265 |
1250 |
945 |
398 |
57 |
2 |
0 |
| OW |
1 |
1265 |
370 |
676 |
265 |
132 |
0 |
0 |
| VODI |
0 |
515 |
234 |
971 |
823 |
391 |
12 |
0 |
| ODI |
0 |
146 |
105 |
438 |
775 |
632 |
142 |
0 |
| CDI |
0 |
50 |
78 |
356 |
736 |
3170 |
1514 |
0 |
| VCDI |
0 |
5 |
2 |
251 |
556 |
9566 |
18527 |
849 |
|
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