Validation of sea ice concentration - Full domain
Bulletin date: 2023-07-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-07:
| 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 |
87209 |
23524 |
1098 |
1525 |
326 |
91 |
3 |
0 |
| OW |
6 |
764 |
491 |
1101 |
641 |
98 |
15 |
0 |
| VODI |
0 |
328 |
319 |
1956 |
2514 |
262 |
56 |
0 |
| ODI |
0 |
47 |
60 |
725 |
4910 |
1868 |
75 |
0 |
| CDI |
0 |
21 |
45 |
456 |
5746 |
19815 |
1044 |
0 |
| VCDI |
0 |
1 |
0 |
19 |
1577 |
21689 |
6623 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-09:
| 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 |
88697 |
22601 |
1144 |
1565 |
432 |
92 |
0 |
0 |
| OW |
5 |
1028 |
480 |
1282 |
796 |
115 |
0 |
0 |
| VODI |
0 |
415 |
308 |
1991 |
2848 |
412 |
19 |
0 |
| ODI |
0 |
63 |
55 |
778 |
4683 |
1567 |
72 |
0 |
| CDI |
0 |
36 |
52 |
578 |
10117 |
15905 |
771 |
0 |
| VCDI |
0 |
1 |
0 |
18 |
1885 |
21342 |
4895 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-11:
| 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 |
87195 |
25722 |
1139 |
1395 |
397 |
55 |
0 |
0 |
| OW |
2 |
537 |
445 |
1075 |
373 |
28 |
0 |
0 |
| VODI |
0 |
211 |
328 |
2695 |
2263 |
145 |
5 |
0 |
| ODI |
0 |
28 |
50 |
1061 |
9110 |
2474 |
34 |
0 |
| CDI |
0 |
9 |
35 |
201 |
7924 |
24050 |
1375 |
0 |
| VCDI |
0 |
1 |
0 |
12 |
1079 |
11023 |
4572 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-13:
| 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 |
89733 |
23803 |
1131 |
1451 |
445 |
27 |
0 |
0 |
| OW |
1 |
721 |
524 |
1518 |
490 |
34 |
0 |
0 |
| VODI |
0 |
291 |
365 |
2755 |
2689 |
207 |
10 |
0 |
| ODI |
0 |
57 |
92 |
1127 |
9989 |
2350 |
51 |
0 |
| CDI |
0 |
43 |
49 |
213 |
9052 |
21986 |
715 |
0 |
| VCDI |
0 |
5 |
0 |
13 |
1084 |
11326 |
2701 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89733 |
23870 |
1163 |
1558 |
496 |
28 |
0 |
0 |
| OW |
1 |
629 |
466 |
1437 |
549 |
44 |
0 |
0 |
| VODI |
0 |
311 |
375 |
2665 |
2668 |
229 |
11 |
0 |
| ODI |
0 |
65 |
112 |
1174 |
9428 |
2135 |
55 |
0 |
| CDI |
0 |
40 |
45 |
231 |
9512 |
21937 |
787 |
0 |
| VCDI |
0 |
5 |
0 |
12 |
1096 |
11557 |
2624 |
0 |
|
Date: 2023-07-15:
| 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 |
92570 |
22123 |
1018 |
1392 |
368 |
31 |
0 |
0 |
| OW |
0 |
925 |
656 |
1835 |
593 |
44 |
0 |
0 |
| VODI |
0 |
362 |
376 |
2691 |
3054 |
342 |
13 |
0 |
| ODI |
0 |
54 |
108 |
1218 |
10329 |
2492 |
54 |
0 |
| CDI |
0 |
46 |
28 |
248 |
11173 |
17570 |
1263 |
0 |
| VCDI |
0 |
5 |
0 |
15 |
1614 |
10618 |
1820 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92570 |
22202 |
1082 |
1645 |
427 |
39 |
0 |
0 |
| OW |
0 |
841 |
547 |
1609 |
626 |
70 |
1 |
0 |
| VODI |
0 |
340 |
412 |
2674 |
3048 |
303 |
20 |
0 |
| ODI |
0 |
88 |
114 |
1197 |
9470 |
2317 |
59 |
0 |
| CDI |
0 |
39 |
31 |
266 |
11968 |
17476 |
1267 |
0 |
| VCDI |
0 |
5 |
0 |
8 |
1592 |
10892 |
1803 |
0 |
|
Date: 2023-07-17:
| 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 |
94727 |
21375 |
1077 |
1196 |
267 |
49 |
0 |
0 |
| OW |
0 |
921 |
680 |
1235 |
187 |
25 |
0 |
0 |
| VODI |
0 |
276 |
492 |
3755 |
2088 |
63 |
4 |
0 |
| ODI |
0 |
32 |
38 |
1297 |
16167 |
2170 |
19 |
0 |
| CDI |
0 |
10 |
12 |
81 |
5838 |
23078 |
606 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
22 |
8120 |
1137 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94727 |
20796 |
1144 |
1863 |
426 |
54 |
0 |
0 |
| OW |
0 |
1131 |
531 |
1566 |
850 |
69 |
4 |
0 |
| VODI |
0 |
521 |
470 |
2535 |
3714 |
266 |
17 |
0 |
| ODI |
0 |
115 |
113 |
1317 |
9485 |
2710 |
46 |
0 |
| CDI |
0 |
50 |
41 |
264 |
9972 |
18107 |
559 |
0 |
| VCDI |
0 |
5 |
0 |
19 |
122 |
12299 |
1140 |
0 |
|
Date: 2023-07-19:
| 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 |
95112 |
22341 |
1231 |
1380 |
310 |
35 |
0 |
0 |
| OW |
0 |
896 |
671 |
1745 |
344 |
22 |
0 |
0 |
| VODI |
0 |
224 |
382 |
3559 |
3134 |
155 |
2 |
0 |
| ODI |
0 |
20 |
38 |
1299 |
15140 |
1754 |
42 |
0 |
| CDI |
0 |
16 |
10 |
134 |
6171 |
21864 |
655 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
25 |
7029 |
1304 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95112 |
21446 |
1201 |
2064 |
551 |
45 |
0 |
0 |
| OW |
0 |
1247 |
549 |
1757 |
972 |
76 |
1 |
0 |
| VODI |
0 |
637 |
449 |
2704 |
3938 |
355 |
11 |
0 |
| ODI |
0 |
112 |
94 |
1186 |
10085 |
1795 |
72 |
0 |
| CDI |
0 |
55 |
39 |
397 |
9430 |
17459 |
615 |
0 |
| VCDI |
0 |
4 |
0 |
9 |
148 |
11129 |
1304 |
0 |
|
Date: 2023-07-21:
| 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 |
95885 |
22763 |
1312 |
1460 |
227 |
39 |
0 |
0 |
| OW |
0 |
971 |
791 |
2229 |
500 |
26 |
0 |
0 |
| VODI |
0 |
230 |
292 |
3631 |
3697 |
176 |
4 |
0 |
| ODI |
0 |
27 |
53 |
1612 |
13539 |
1767 |
21 |
0 |
| CDI |
0 |
10 |
11 |
162 |
7508 |
20454 |
344 |
0 |
| VCDI |
0 |
4 |
0 |
0 |
63 |
6145 |
1095 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95885 |
21650 |
1369 |
2593 |
667 |
55 |
0 |
0 |
| OW |
0 |
1351 |
474 |
1596 |
1060 |
64 |
0 |
0 |
| VODI |
0 |
799 |
462 |
2781 |
4116 |
577 |
3 |
0 |
| ODI |
0 |
131 |
107 |
1476 |
9442 |
1664 |
53 |
0 |
| CDI |
0 |
69 |
42 |
631 |
9975 |
15344 |
190 |
0 |
| VCDI |
0 |
5 |
5 |
17 |
274 |
10903 |
1218 |
0 |
|
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