Validation of sea ice concentration - European sector
Bulletin date: 2023-10-05
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-29:
| 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 |
83931 |
3860 |
125 |
139 |
15 |
2 |
0 |
0 |
| OW |
2286 |
330 |
91 |
231 |
41 |
6 |
0 |
0 |
| VODI |
1487 |
136 |
80 |
237 |
182 |
21 |
0 |
0 |
| ODI |
0 |
15 |
15 |
101 |
354 |
122 |
0 |
0 |
| CDI |
0 |
0 |
6 |
41 |
227 |
501 |
115 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
1845 |
6288 |
0 |
|
...date precedes bulletin
|
Date: 2023-10-01:
| 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 |
84338 |
3394 |
60 |
112 |
58 |
0 |
0 |
0 |
| OW |
2225 |
402 |
56 |
73 |
114 |
14 |
0 |
0 |
| VODI |
1562 |
182 |
62 |
95 |
201 |
76 |
0 |
0 |
| ODI |
0 |
45 |
39 |
90 |
118 |
143 |
18 |
0 |
| CDI |
0 |
45 |
19 |
59 |
175 |
446 |
78 |
0 |
| VCDI |
0 |
1 |
11 |
30 |
59 |
1967 |
6420 |
75 |
|
...date precedes bulletin
|
Date: 2023-10-03:
| 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 |
83542 |
3956 |
104 |
123 |
57 |
9 |
0 |
0 |
| OW |
2100 |
359 |
70 |
105 |
24 |
11 |
1 |
0 |
| VODI |
1717 |
150 |
70 |
121 |
69 |
12 |
3 |
0 |
| ODI |
0 |
32 |
40 |
138 |
60 |
27 |
3 |
0 |
| CDI |
0 |
2 |
18 |
89 |
185 |
287 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
3067 |
6276 |
0 |
|
...date precedes bulletin
|
Date: 2023-10-05:
| 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 |
82440 |
4655 |
116 |
154 |
89 |
24 |
0 |
0 |
| OW |
1990 |
349 |
39 |
135 |
90 |
24 |
1 |
0 |
| VODI |
1883 |
248 |
40 |
72 |
89 |
9 |
5 |
0 |
| ODI |
0 |
80 |
48 |
73 |
60 |
30 |
8 |
0 |
| CDI |
0 |
30 |
42 |
148 |
232 |
231 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
2770 |
6441 |
154 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82483 |
4656 |
116 |
159 |
93 |
22 |
0 |
0 |
| OW |
2062 |
342 |
39 |
125 |
85 |
23 |
0 |
0 |
| VODI |
1768 |
268 |
44 |
78 |
87 |
12 |
6 |
0 |
| ODI |
0 |
63 |
50 |
77 |
65 |
25 |
6 |
0 |
| CDI |
0 |
33 |
36 |
143 |
233 |
254 |
23 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
43 |
2752 |
6437 |
154 |
|
Date: 2023-10-07:
| 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 |
83496 |
3507 |
64 |
77 |
92 |
20 |
0 |
0 |
| OW |
1953 |
495 |
39 |
104 |
67 |
45 |
0 |
0 |
| VODI |
1933 |
254 |
27 |
53 |
63 |
82 |
5 |
0 |
| ODI |
0 |
130 |
23 |
49 |
36 |
70 |
9 |
0 |
| CDI |
0 |
69 |
56 |
154 |
224 |
230 |
35 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
43 |
2337 |
6589 |
424 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83496 |
3537 |
69 |
84 |
83 |
22 |
0 |
0 |
| OW |
1956 |
465 |
34 |
90 |
84 |
41 |
0 |
0 |
| VODI |
1930 |
276 |
28 |
64 |
61 |
71 |
4 |
0 |
| ODI |
0 |
110 |
28 |
55 |
38 |
78 |
8 |
0 |
| CDI |
0 |
67 |
50 |
145 |
220 |
250 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
39 |
2322 |
6588 |
424 |
|
Date: 2023-10-09:
| 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 |
82854 |
4111 |
81 |
127 |
75 |
9 |
0 |
0 |
| OW |
1880 |
493 |
62 |
113 |
63 |
0 |
0 |
0 |
| VODI |
2026 |
77 |
69 |
199 |
128 |
11 |
0 |
0 |
| ODI |
0 |
23 |
13 |
62 |
202 |
49 |
0 |
0 |
| CDI |
0 |
24 |
21 |
72 |
279 |
470 |
48 |
0 |
| VCDI |
0 |
0 |
3 |
8 |
49 |
2694 |
6467 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82864 |
3991 |
85 |
144 |
75 |
7 |
0 |
0 |
| OW |
1899 |
405 |
50 |
131 |
118 |
7 |
0 |
0 |
| VODI |
1997 |
171 |
41 |
128 |
151 |
48 |
0 |
0 |
| ODI |
0 |
78 |
17 |
53 |
135 |
49 |
1 |
0 |
| CDI |
0 |
71 |
48 |
106 |
220 |
282 |
13 |
0 |
| VCDI |
0 |
12 |
8 |
19 |
97 |
2840 |
6501 |
0 |
|
Date: 2023-10-11:
| 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 |
82793 |
4311 |
72 |
99 |
15 |
0 |
0 |
0 |
| OW |
1825 |
322 |
93 |
134 |
32 |
0 |
0 |
0 |
| VODI |
2089 |
69 |
54 |
227 |
147 |
10 |
0 |
0 |
| ODI |
0 |
38 |
11 |
93 |
157 |
77 |
0 |
0 |
| CDI |
0 |
15 |
30 |
92 |
227 |
374 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
39 |
1424 |
7233 |
707 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82795 |
4056 |
73 |
107 |
23 |
0 |
0 |
0 |
| OW |
1839 |
391 |
71 |
115 |
49 |
2 |
0 |
0 |
| VODI |
2073 |
128 |
54 |
219 |
112 |
39 |
0 |
0 |
| ODI |
0 |
76 |
19 |
76 |
145 |
75 |
1 |
0 |
| CDI |
0 |
103 |
40 |
104 |
183 |
235 |
10 |
0 |
| VCDI |
0 |
1 |
3 |
29 |
105 |
1534 |
7270 |
707 |
|
Date: 2023-10-13:
| 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 |
82886 |
4321 |
46 |
19 |
0 |
0 |
0 |
0 |
| OW |
1789 |
331 |
80 |
100 |
6 |
0 |
0 |
0 |
| VODI |
2138 |
127 |
38 |
156 |
138 |
23 |
0 |
0 |
| ODI |
0 |
81 |
35 |
69 |
93 |
94 |
6 |
0 |
| CDI |
0 |
37 |
46 |
155 |
172 |
267 |
62 |
0 |
| VCDI |
0 |
0 |
1 |
29 |
135 |
1349 |
6334 |
1699 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82889 |
3924 |
29 |
21 |
0 |
0 |
0 |
0 |
| OW |
1806 |
450 |
39 |
79 |
23 |
1 |
0 |
0 |
| VODI |
2118 |
210 |
55 |
102 |
126 |
28 |
0 |
0 |
| ODI |
0 |
138 |
26 |
55 |
96 |
98 |
10 |
0 |
| CDI |
0 |
171 |
82 |
192 |
119 |
174 |
33 |
0 |
| VCDI |
0 |
4 |
15 |
79 |
180 |
1432 |
6359 |
1699 |
|
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