Validation of sea ice concentration - Full domain
Bulletin date: 2024-08-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-16:
| 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 |
113281 |
10669 |
71 |
33 |
9 |
0 |
0 |
0 |
| OW |
2430 |
5130 |
563 |
309 |
15 |
0 |
0 |
0 |
| VODI |
1495 |
1561 |
1375 |
6114 |
923 |
38 |
0 |
0 |
| ODI |
4 |
147 |
71 |
2066 |
10758 |
2364 |
36 |
0 |
| CDI |
0 |
75 |
35 |
118 |
3150 |
12857 |
3268 |
0 |
| VCDI |
0 |
18 |
8 |
30 |
134 |
385 |
1270 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-18:
| 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 |
113967 |
10302 |
57 |
40 |
7 |
1 |
0 |
0 |
| OW |
2480 |
5131 |
520 |
368 |
30 |
2 |
0 |
0 |
| VODI |
1453 |
1923 |
1273 |
5987 |
984 |
57 |
5 |
0 |
| ODI |
14 |
158 |
79 |
2122 |
10362 |
2908 |
39 |
0 |
| CDI |
22 |
119 |
20 |
65 |
3164 |
11928 |
3369 |
0 |
| VCDI |
0 |
6 |
5 |
17 |
162 |
666 |
998 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-20:
| 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 |
114210 |
12792 |
108 |
67 |
4 |
0 |
0 |
0 |
| OW |
2697 |
4967 |
1034 |
572 |
11 |
0 |
0 |
0 |
| VODI |
1153 |
649 |
1030 |
6193 |
839 |
33 |
0 |
0 |
| ODI |
9 |
49 |
16 |
1406 |
12759 |
2179 |
11 |
0 |
| CDI |
12 |
26 |
3 |
37 |
1898 |
10101 |
820 |
0 |
| VCDI |
0 |
6 |
4 |
11 |
73 |
1432 |
3196 |
403 |
|
...date precedes bulletin
|
Date: 2024-08-22:
| 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 |
117204 |
10244 |
93 |
47 |
2 |
0 |
0 |
0 |
| OW |
2794 |
5031 |
890 |
384 |
13 |
0 |
0 |
0 |
| VODI |
1116 |
1035 |
1373 |
5472 |
802 |
19 |
0 |
0 |
| ODI |
18 |
48 |
38 |
1286 |
13004 |
2365 |
0 |
0 |
| CDI |
6 |
9 |
3 |
45 |
1903 |
10747 |
413 |
0 |
| VCDI |
0 |
22 |
1 |
10 |
49 |
1750 |
2574 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117196 |
10592 |
107 |
50 |
2 |
0 |
0 |
0 |
| OW |
2801 |
4611 |
828 |
419 |
11 |
0 |
0 |
0 |
| VODI |
1117 |
1101 |
1411 |
5476 |
907 |
19 |
0 |
0 |
| ODI |
17 |
54 |
47 |
1233 |
12682 |
2322 |
0 |
0 |
| CDI |
7 |
12 |
4 |
57 |
2125 |
10691 |
410 |
0 |
| VCDI |
0 |
19 |
1 |
9 |
46 |
1849 |
2577 |
0 |
|
Date: 2024-08-24:
| 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 |
117203 |
10613 |
80 |
34 |
0 |
0 |
0 |
0 |
| OW |
2928 |
4900 |
758 |
503 |
30 |
0 |
0 |
0 |
| VODI |
1090 |
1484 |
1364 |
4832 |
810 |
65 |
0 |
0 |
| ODI |
18 |
63 |
40 |
1647 |
12213 |
3383 |
144 |
0 |
| CDI |
4 |
9 |
1 |
38 |
1533 |
9310 |
1111 |
0 |
| VCDI |
0 |
21 |
1 |
11 |
39 |
1484 |
3046 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117196 |
10805 |
97 |
48 |
0 |
0 |
0 |
0 |
| OW |
2928 |
4596 |
744 |
518 |
32 |
0 |
0 |
0 |
| VODI |
1094 |
1587 |
1359 |
4887 |
941 |
82 |
1 |
0 |
| ODI |
19 |
72 |
42 |
1560 |
11829 |
3545 |
155 |
0 |
| CDI |
6 |
14 |
1 |
43 |
1789 |
9150 |
1116 |
0 |
| VCDI |
0 |
16 |
1 |
9 |
34 |
1465 |
3029 |
0 |
|
Date: 2024-08-26:
| 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 |
117157 |
12936 |
89 |
25 |
0 |
0 |
0 |
0 |
| OW |
3027 |
4807 |
1355 |
712 |
5 |
1 |
0 |
0 |
| VODI |
955 |
376 |
767 |
4568 |
725 |
10 |
0 |
0 |
| ODI |
9 |
1 |
8 |
1412 |
11484 |
1934 |
0 |
0 |
| CDI |
0 |
28 |
1 |
18 |
1047 |
12275 |
670 |
0 |
| VCDI |
0 |
2 |
0 |
4 |
18 |
766 |
3618 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
116903 |
11123 |
93 |
33 |
1 |
0 |
0 |
0 |
| OW |
3177 |
4994 |
672 |
422 |
16 |
1 |
0 |
0 |
| VODI |
1044 |
1936 |
1390 |
4332 |
935 |
78 |
1 |
0 |
| ODI |
20 |
67 |
62 |
1891 |
10820 |
4124 |
204 |
0 |
| CDI |
4 |
27 |
3 |
56 |
1480 |
9756 |
1187 |
0 |
| VCDI |
0 |
3 |
0 |
5 |
27 |
1027 |
2896 |
0 |
|
Date: 2024-08-28:
| 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 |
118221 |
12416 |
88 |
28 |
1 |
0 |
0 |
0 |
| OW |
3054 |
5218 |
1063 |
442 |
8 |
0 |
0 |
0 |
| VODI |
923 |
707 |
1058 |
4136 |
534 |
8 |
0 |
0 |
| ODI |
7 |
27 |
35 |
1827 |
11126 |
1454 |
4 |
0 |
| CDI |
0 |
15 |
5 |
40 |
3481 |
9932 |
761 |
0 |
| VCDI |
0 |
13 |
0 |
15 |
26 |
646 |
3491 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
117910 |
10299 |
104 |
29 |
0 |
0 |
0 |
0 |
| OW |
3290 |
5484 |
597 |
393 |
17 |
0 |
0 |
0 |
| VODI |
987 |
2442 |
1408 |
3666 |
863 |
40 |
0 |
0 |
| ODI |
16 |
139 |
127 |
2276 |
10681 |
3607 |
29 |
0 |
| CDI |
2 |
22 |
13 |
109 |
3589 |
7416 |
1649 |
0 |
| VCDI |
0 |
10 |
0 |
15 |
26 |
977 |
2578 |
0 |
|
Date: 2024-08-30:
| 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 |
118689 |
12361 |
58 |
20 |
0 |
0 |
0 |
0 |
| OW |
3075 |
5284 |
830 |
503 |
4 |
0 |
0 |
0 |
| VODI |
880 |
808 |
927 |
4040 |
615 |
18 |
0 |
0 |
| ODI |
1 |
49 |
43 |
1890 |
11477 |
1468 |
12 |
0 |
| CDI |
0 |
21 |
13 |
65 |
2413 |
10241 |
625 |
0 |
| VCDI |
0 |
12 |
1 |
13 |
39 |
796 |
3390 |
129 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118332 |
10039 |
69 |
29 |
0 |
0 |
0 |
0 |
| OW |
3348 |
5938 |
552 |
493 |
7 |
0 |
0 |
0 |
| VODI |
956 |
2387 |
1100 |
3513 |
1031 |
80 |
1 |
0 |
| ODI |
9 |
134 |
133 |
2385 |
10725 |
3041 |
86 |
0 |
| CDI |
0 |
12 |
16 |
92 |
2712 |
8148 |
1214 |
39 |
| VCDI |
0 |
25 |
2 |
19 |
73 |
1254 |
2726 |
90 |
|
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