Validation of sea ice concentration - European sector
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
87397 |
3637 |
32 |
30 |
0 |
0 |
0 |
0 |
| OW |
2 |
180 |
101 |
118 |
16 |
0 |
0 |
0 |
| VODI |
1 |
44 |
72 |
167 |
108 |
0 |
0 |
0 |
| ODI |
0 |
12 |
21 |
87 |
116 |
65 |
0 |
0 |
| CDI |
0 |
4 |
23 |
213 |
179 |
241 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
136 |
1522 |
3885 |
1933 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
87242 |
3725 |
7 |
10 |
3 |
0 |
0 |
0 |
| OW |
0 |
298 |
69 |
60 |
36 |
0 |
0 |
0 |
| VODI |
0 |
91 |
34 |
182 |
95 |
0 |
0 |
0 |
| ODI |
0 |
28 |
44 |
81 |
130 |
7 |
0 |
0 |
| CDI |
0 |
9 |
21 |
176 |
259 |
179 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
120 |
2790 |
3755 |
944 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
86503 |
4333 |
65 |
26 |
0 |
0 |
0 |
0 |
| OW |
0 |
143 |
128 |
228 |
23 |
0 |
0 |
0 |
| VODI |
0 |
14 |
17 |
259 |
122 |
0 |
0 |
0 |
| ODI |
0 |
0 |
2 |
100 |
213 |
2 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
357 |
1102 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
2746 |
3891 |
70 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
86122 |
4596 |
59 |
62 |
0 |
0 |
0 |
0 |
| OW |
0 |
79 |
98 |
207 |
62 |
0 |
0 |
0 |
| VODI |
0 |
21 |
16 |
159 |
152 |
6 |
0 |
0 |
| ODI |
0 |
7 |
11 |
68 |
151 |
20 |
0 |
0 |
| CDI |
0 |
0 |
10 |
64 |
260 |
252 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
116 |
2598 |
3942 |
1268 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86122 |
4583 |
60 |
75 |
2 |
0 |
0 |
0 |
| OW |
0 |
93 |
95 |
204 |
71 |
0 |
0 |
0 |
| VODI |
0 |
22 |
19 |
149 |
152 |
5 |
0 |
0 |
| ODI |
0 |
5 |
14 |
68 |
142 |
16 |
0 |
0 |
| CDI |
0 |
0 |
6 |
64 |
264 |
283 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
110 |
2572 |
3942 |
1268 |
|
Date: 2024-10-26:
| 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 |
83902 |
6639 |
59 |
63 |
0 |
0 |
0 |
0 |
| OW |
0 |
172 |
122 |
92 |
65 |
0 |
0 |
0 |
| VODI |
0 |
42 |
47 |
194 |
110 |
0 |
0 |
0 |
| ODI |
0 |
15 |
16 |
173 |
82 |
19 |
0 |
0 |
| CDI |
0 |
4 |
17 |
96 |
388 |
146 |
0 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
142 |
3269 |
3875 |
649 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83902 |
6652 |
77 |
69 |
0 |
0 |
0 |
0 |
| OW |
0 |
165 |
114 |
113 |
64 |
0 |
0 |
0 |
| VODI |
0 |
39 |
41 |
188 |
104 |
0 |
0 |
0 |
| ODI |
0 |
14 |
14 |
152 |
86 |
7 |
0 |
0 |
| CDI |
0 |
2 |
16 |
95 |
392 |
168 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
141 |
3259 |
3875 |
649 |
|
Date: 2024-10-28:
| 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 |
86361 |
4044 |
78 |
33 |
0 |
0 |
0 |
0 |
| OW |
0 |
124 |
161 |
176 |
40 |
15 |
0 |
0 |
| VODI |
0 |
1 |
18 |
296 |
176 |
63 |
0 |
0 |
| ODI |
0 |
0 |
4 |
76 |
138 |
169 |
0 |
0 |
| CDI |
0 |
0 |
0 |
55 |
244 |
816 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
78 |
2907 |
3636 |
679 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86361 |
3990 |
85 |
113 |
4 |
0 |
0 |
0 |
| OW |
0 |
141 |
90 |
103 |
93 |
30 |
0 |
0 |
| VODI |
0 |
33 |
53 |
146 |
85 |
77 |
0 |
0 |
| ODI |
0 |
5 |
24 |
150 |
72 |
69 |
0 |
0 |
| CDI |
0 |
0 |
9 |
117 |
307 |
384 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
115 |
3410 |
3637 |
679 |
|
Date: 2024-10-30:
| 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 |
85683 |
4225 |
119 |
138 |
0 |
0 |
0 |
0 |
| OW |
1 |
188 |
121 |
187 |
52 |
0 |
0 |
0 |
| VODI |
0 |
14 |
42 |
255 |
165 |
47 |
0 |
0 |
| ODI |
0 |
0 |
3 |
101 |
195 |
160 |
0 |
0 |
| CDI |
0 |
0 |
0 |
46 |
309 |
1158 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
3436 |
3557 |
158 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85683 |
4087 |
130 |
235 |
55 |
1 |
0 |
0 |
| OW |
1 |
241 |
45 |
69 |
94 |
37 |
0 |
0 |
| VODI |
0 |
79 |
71 |
160 |
92 |
89 |
0 |
0 |
| ODI |
0 |
20 |
35 |
145 |
114 |
123 |
0 |
0 |
| CDI |
0 |
0 |
4 |
116 |
335 |
517 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
81 |
4034 |
3563 |
158 |
|
Date: 2024-11-01:
| 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 |
84594 |
4944 |
60 |
158 |
18 |
0 |
0 |
0 |
| OW |
3 |
258 |
85 |
209 |
76 |
0 |
0 |
0 |
| VODI |
0 |
21 |
59 |
270 |
176 |
30 |
0 |
0 |
| ODI |
0 |
0 |
2 |
124 |
181 |
207 |
0 |
0 |
| CDI |
0 |
0 |
0 |
39 |
348 |
952 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
3248 |
4276 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84593 |
4805 |
91 |
331 |
85 |
0 |
0 |
0 |
| OW |
4 |
305 |
26 |
88 |
124 |
17 |
0 |
0 |
| VODI |
0 |
108 |
81 |
163 |
95 |
141 |
0 |
0 |
| ODI |
0 |
5 |
8 |
169 |
92 |
164 |
9 |
0 |
| CDI |
0 |
0 |
0 |
49 |
390 |
550 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
3565 |
4284 |
0 |
|
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