Validation of sea ice concentration - European sector
Bulletin date: 2024-09-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-20:
| 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 |
88302 |
2849 |
90 |
27 |
0 |
0 |
0 |
0 |
| OW |
2477 |
307 |
51 |
128 |
3 |
0 |
0 |
0 |
| VODI |
1302 |
146 |
42 |
141 |
178 |
22 |
0 |
0 |
| ODI |
0 |
16 |
20 |
83 |
142 |
150 |
16 |
0 |
| CDI |
0 |
0 |
0 |
6 |
95 |
726 |
387 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
870 |
3626 |
660 |
|
...date precedes bulletin
|
Date: 2024-09-22:
| 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 |
88120 |
2806 |
90 |
89 |
1 |
0 |
0 |
0 |
| OW |
2408 |
210 |
60 |
169 |
81 |
0 |
0 |
0 |
| VODI |
1386 |
39 |
34 |
125 |
211 |
81 |
0 |
0 |
| ODI |
0 |
0 |
0 |
30 |
100 |
180 |
12 |
0 |
| CDI |
0 |
0 |
0 |
2 |
37 |
379 |
287 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
853 |
3302 |
1770 |
|
...date precedes bulletin
|
Date: 2024-09-24:
| 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 |
88041 |
2732 |
46 |
47 |
3 |
0 |
0 |
0 |
| OW |
2277 |
322 |
42 |
77 |
15 |
0 |
0 |
0 |
| VODI |
1544 |
55 |
55 |
150 |
109 |
10 |
0 |
0 |
| ODI |
0 |
0 |
10 |
50 |
180 |
31 |
0 |
0 |
| CDI |
0 |
0 |
0 |
6 |
146 |
506 |
141 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
723 |
5087 |
456 |
|
...date precedes bulletin
|
Date: 2024-09-26:
| 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 |
87791 |
2815 |
51 |
94 |
43 |
0 |
0 |
0 |
| OW |
2249 |
216 |
58 |
83 |
63 |
11 |
0 |
0 |
| VODI |
1594 |
45 |
53 |
74 |
92 |
31 |
0 |
0 |
| ODI |
0 |
1 |
6 |
86 |
75 |
78 |
1 |
0 |
| CDI |
0 |
0 |
0 |
16 |
108 |
335 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
25 |
1264 |
4419 |
1015 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87795 |
2855 |
62 |
114 |
40 |
0 |
0 |
0 |
| OW |
2245 |
188 |
54 |
67 |
70 |
11 |
0 |
0 |
| VODI |
1594 |
30 |
49 |
90 |
98 |
40 |
0 |
0 |
| ODI |
0 |
4 |
3 |
70 |
84 |
81 |
0 |
0 |
| CDI |
0 |
0 |
0 |
12 |
90 |
346 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1241 |
4420 |
1015 |
|
Date: 2024-09-28:
| 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 |
87822 |
2854 |
39 |
79 |
56 |
1 |
0 |
0 |
| OW |
2231 |
158 |
40 |
54 |
77 |
17 |
0 |
0 |
| VODI |
1618 |
66 |
38 |
63 |
66 |
36 |
0 |
0 |
| ODI |
0 |
7 |
23 |
61 |
66 |
36 |
0 |
0 |
| CDI |
0 |
0 |
2 |
40 |
126 |
232 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
72 |
1703 |
3382 |
1787 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87829 |
2885 |
44 |
103 |
63 |
1 |
0 |
0 |
| OW |
2224 |
136 |
42 |
38 |
70 |
15 |
0 |
0 |
| VODI |
1618 |
54 |
39 |
65 |
74 |
42 |
0 |
0 |
| ODI |
0 |
10 |
15 |
59 |
76 |
49 |
0 |
0 |
| CDI |
0 |
0 |
2 |
32 |
109 |
225 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
71 |
1693 |
3365 |
1787 |
|
Date: 2024-09-30:
| 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 |
87622 |
2982 |
46 |
50 |
9 |
0 |
0 |
0 |
| OW |
2153 |
249 |
35 |
49 |
33 |
0 |
0 |
0 |
| VODI |
1696 |
74 |
49 |
90 |
85 |
17 |
0 |
0 |
| ODI |
0 |
2 |
16 |
61 |
71 |
84 |
2 |
0 |
| CDI |
0 |
0 |
3 |
27 |
104 |
403 |
65 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
55 |
967 |
4376 |
1383 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87683 |
2959 |
69 |
100 |
54 |
5 |
0 |
0 |
| OW |
2218 |
159 |
14 |
34 |
63 |
55 |
0 |
0 |
| VODI |
1570 |
110 |
15 |
41 |
32 |
86 |
2 |
0 |
| ODI |
0 |
58 |
25 |
22 |
39 |
59 |
0 |
0 |
| CDI |
0 |
21 |
20 |
66 |
62 |
133 |
10 |
0 |
| VCDI |
0 |
0 |
6 |
18 |
107 |
1133 |
4431 |
1383 |
|
Date: 2024-10-02:
| 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 |
87348 |
3012 |
49 |
70 |
32 |
0 |
0 |
0 |
| OW |
2171 |
216 |
56 |
78 |
76 |
7 |
0 |
0 |
| VODI |
1630 |
23 |
29 |
96 |
101 |
61 |
0 |
0 |
| ODI |
0 |
0 |
2 |
36 |
77 |
102 |
4 |
0 |
| CDI |
0 |
0 |
0 |
8 |
51 |
328 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
765 |
5191 |
1173 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87353 |
2999 |
55 |
89 |
94 |
7 |
0 |
0 |
| OW |
2186 |
159 |
39 |
46 |
52 |
87 |
0 |
0 |
| VODI |
1610 |
64 |
13 |
72 |
55 |
107 |
5 |
0 |
| ODI |
0 |
21 |
17 |
21 |
61 |
109 |
2 |
0 |
| CDI |
0 |
8 |
11 |
44 |
50 |
146 |
37 |
0 |
| VCDI |
0 |
0 |
1 |
16 |
49 |
807 |
5197 |
1173 |
|
Date: 2024-10-04:
| 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 |
86262 |
3696 |
80 |
95 |
35 |
1 |
0 |
0 |
| OW |
2155 |
210 |
41 |
91 |
89 |
30 |
0 |
0 |
| VODI |
1648 |
24 |
43 |
97 |
83 |
77 |
1 |
0 |
| ODI |
0 |
0 |
4 |
46 |
94 |
82 |
0 |
0 |
| CDI |
0 |
0 |
0 |
14 |
100 |
258 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
772 |
4450 |
2227 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86263 |
3803 |
98 |
122 |
63 |
20 |
0 |
0 |
| OW |
2162 |
103 |
36 |
95 |
107 |
68 |
0 |
0 |
| VODI |
1640 |
21 |
20 |
76 |
95 |
126 |
2 |
0 |
| ODI |
0 |
3 |
12 |
26 |
65 |
135 |
19 |
0 |
| CDI |
0 |
0 |
2 |
24 |
72 |
149 |
111 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
5 |
722 |
4370 |
2227 |
|
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