Validation of sea ice concentration - European sector
Bulletin date: 2023-10-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
92723 |
4695 |
116 |
190 |
228 |
93 |
0 |
0 |
| OW |
0 |
162 |
49 |
66 |
34 |
28 |
0 |
0 |
| VODI |
0 |
88 |
65 |
149 |
35 |
21 |
7 |
0 |
| ODI |
0 |
36 |
37 |
113 |
39 |
4 |
11 |
0 |
| CDI |
0 |
0 |
13 |
122 |
100 |
14 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
58 |
327 |
1465 |
6025 |
1973 |
|
...date precedes bulletin
|
Date: 2023-10-15:
| 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 |
93071 |
4182 |
115 |
193 |
177 |
119 |
5 |
0 |
| OW |
0 |
197 |
37 |
53 |
12 |
60 |
19 |
0 |
| VODI |
0 |
160 |
87 |
151 |
17 |
13 |
25 |
0 |
| ODI |
0 |
55 |
43 |
110 |
19 |
5 |
21 |
0 |
| CDI |
0 |
4 |
32 |
134 |
69 |
16 |
19 |
0 |
| VCDI |
0 |
0 |
6 |
158 |
387 |
1688 |
5594 |
2047 |
|
...date precedes bulletin
|
Date: 2023-10-17:
| 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 |
90867 |
6377 |
318 |
334 |
175 |
83 |
0 |
0 |
| OW |
0 |
77 |
46 |
164 |
34 |
75 |
0 |
0 |
| VODI |
0 |
27 |
37 |
151 |
28 |
44 |
10 |
0 |
| ODI |
0 |
4 |
22 |
94 |
51 |
14 |
69 |
0 |
| CDI |
0 |
0 |
1 |
122 |
211 |
66 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
281 |
1704 |
5159 |
2399 |
|
...date precedes bulletin
|
Date: 2023-10-19:
| 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 |
89187 |
7596 |
341 |
568 |
184 |
46 |
0 |
0 |
| OW |
0 |
102 |
58 |
104 |
85 |
65 |
0 |
0 |
| VODI |
0 |
42 |
55 |
182 |
123 |
62 |
0 |
0 |
| ODI |
0 |
3 |
22 |
93 |
89 |
85 |
0 |
0 |
| CDI |
0 |
1 |
6 |
83 |
215 |
96 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
296 |
2598 |
4893 |
1790 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89187 |
7593 |
338 |
563 |
185 |
46 |
0 |
0 |
| OW |
0 |
103 |
56 |
100 |
86 |
62 |
0 |
0 |
| VODI |
0 |
43 |
60 |
182 |
109 |
62 |
0 |
0 |
| ODI |
0 |
3 |
22 |
98 |
97 |
76 |
0 |
0 |
| CDI |
0 |
2 |
4 |
85 |
201 |
98 |
2 |
0 |
| VCDI |
0 |
0 |
2 |
30 |
314 |
2608 |
4893 |
1790 |
|
Date: 2023-10-21:
| 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 |
90476 |
6438 |
251 |
241 |
105 |
52 |
0 |
0 |
| OW |
2 |
103 |
75 |
101 |
39 |
56 |
0 |
0 |
| VODI |
0 |
51 |
72 |
182 |
28 |
73 |
0 |
0 |
| ODI |
0 |
5 |
24 |
212 |
59 |
56 |
0 |
0 |
| CDI |
0 |
0 |
0 |
148 |
155 |
98 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
79 |
478 |
2197 |
5430 |
1814 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90469 |
6431 |
252 |
235 |
106 |
64 |
0 |
0 |
| OW |
9 |
100 |
71 |
90 |
33 |
53 |
0 |
0 |
| VODI |
0 |
57 |
68 |
186 |
29 |
52 |
0 |
0 |
| ODI |
0 |
9 |
29 |
217 |
53 |
50 |
0 |
0 |
| CDI |
0 |
0 |
2 |
155 |
143 |
116 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
80 |
500 |
2197 |
5430 |
1814 |
|
Date: 2023-10-23:
| 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 |
91955 |
5021 |
127 |
169 |
96 |
83 |
0 |
0 |
| OW |
0 |
139 |
64 |
75 |
31 |
48 |
0 |
0 |
| VODI |
0 |
121 |
46 |
124 |
25 |
65 |
0 |
0 |
| ODI |
0 |
99 |
40 |
106 |
51 |
47 |
0 |
0 |
| CDI |
0 |
41 |
22 |
123 |
162 |
143 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
78 |
433 |
2179 |
5817 |
1570 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91939 |
4975 |
139 |
172 |
82 |
70 |
0 |
0 |
| OW |
16 |
164 |
43 |
86 |
23 |
42 |
0 |
0 |
| VODI |
0 |
119 |
48 |
102 |
48 |
65 |
0 |
0 |
| ODI |
0 |
118 |
43 |
99 |
57 |
52 |
0 |
0 |
| CDI |
0 |
45 |
26 |
131 |
141 |
119 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
85 |
447 |
2217 |
5817 |
1570 |
|
Date: 2023-10-25:
| 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 |
91421 |
5314 |
185 |
241 |
111 |
117 |
0 |
0 |
| OW |
3 |
125 |
64 |
99 |
48 |
43 |
0 |
0 |
| VODI |
0 |
92 |
58 |
171 |
37 |
63 |
0 |
0 |
| ODI |
0 |
10 |
30 |
193 |
70 |
41 |
0 |
0 |
| CDI |
0 |
0 |
4 |
227 |
183 |
89 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
78 |
465 |
2214 |
3888 |
3408 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91401 |
5290 |
200 |
227 |
98 |
82 |
0 |
0 |
| OW |
23 |
136 |
49 |
136 |
32 |
43 |
0 |
0 |
| VODI |
0 |
93 |
44 |
118 |
66 |
55 |
0 |
0 |
| ODI |
0 |
22 |
42 |
194 |
79 |
52 |
0 |
0 |
| CDI |
0 |
0 |
6 |
248 |
142 |
106 |
5 |
0 |
| VCDI |
0 |
0 |
0 |
86 |
497 |
2229 |
3891 |
3408 |
|
Date: 2023-10-27:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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