Validation of sea ice concentration - European sector
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-06:
| 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 |
91287 |
6113 |
228 |
347 |
264 |
155 |
9 |
0 |
| OW |
0 |
78 |
38 |
83 |
6 |
8 |
5 |
0 |
| VODI |
0 |
57 |
41 |
93 |
21 |
11 |
9 |
0 |
| ODI |
0 |
15 |
36 |
70 |
45 |
15 |
11 |
0 |
| CDI |
0 |
4 |
16 |
129 |
94 |
66 |
81 |
0 |
| VCDI |
0 |
0 |
2 |
72 |
299 |
1496 |
6687 |
1109 |
|
...date precedes bulletin
|
Date: 2023-10-08:
| 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 |
93107 |
4297 |
114 |
334 |
384 |
56 |
0 |
0 |
| OW |
0 |
107 |
62 |
65 |
23 |
15 |
0 |
0 |
| VODI |
0 |
63 |
37 |
117 |
17 |
13 |
1 |
0 |
| ODI |
0 |
38 |
16 |
101 |
44 |
10 |
3 |
0 |
| CDI |
0 |
16 |
33 |
93 |
132 |
118 |
32 |
0 |
| VCDI |
0 |
0 |
5 |
71 |
229 |
1669 |
6428 |
1250 |
|
...date precedes bulletin
|
Date: 2023-10-10:
| 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 |
91503 |
5769 |
247 |
453 |
293 |
37 |
0 |
0 |
| OW |
0 |
39 |
38 |
168 |
58 |
26 |
0 |
0 |
| VODI |
0 |
10 |
20 |
217 |
88 |
33 |
0 |
0 |
| ODI |
0 |
0 |
11 |
62 |
116 |
21 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
293 |
259 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
29 |
1257 |
6134 |
1873 |
|
...date precedes bulletin
|
Date: 2023-10-12:
| 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 |
90868 |
6478 |
214 |
312 |
260 |
12 |
0 |
0 |
| OW |
0 |
71 |
55 |
101 |
58 |
18 |
0 |
0 |
| VODI |
0 |
26 |
59 |
177 |
72 |
25 |
0 |
0 |
| ODI |
0 |
10 |
14 |
116 |
83 |
21 |
0 |
0 |
| CDI |
0 |
0 |
10 |
87 |
164 |
34 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
248 |
1458 |
5821 |
2206 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90868 |
6478 |
212 |
307 |
267 |
12 |
0 |
0 |
| OW |
0 |
70 |
50 |
85 |
41 |
21 |
0 |
0 |
| VODI |
0 |
26 |
60 |
171 |
69 |
21 |
0 |
0 |
| ODI |
0 |
11 |
20 |
138 |
80 |
17 |
0 |
0 |
| CDI |
0 |
0 |
10 |
78 |
164 |
34 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
36 |
264 |
1463 |
5821 |
2206 |
|
Date: 2023-10-14:
| 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 |
92958 |
4328 |
116 |
214 |
187 |
152 |
0 |
0 |
| OW |
0 |
168 |
50 |
66 |
40 |
35 |
1 |
0 |
| VODI |
0 |
135 |
68 |
141 |
17 |
19 |
13 |
0 |
| ODI |
0 |
49 |
36 |
106 |
36 |
9 |
10 |
0 |
| CDI |
0 |
2 |
34 |
128 |
80 |
19 |
13 |
0 |
| VCDI |
0 |
0 |
1 |
104 |
365 |
1639 |
5343 |
2418 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92958 |
4323 |
111 |
212 |
200 |
172 |
0 |
0 |
| OW |
0 |
152 |
56 |
51 |
23 |
20 |
3 |
0 |
| VODI |
0 |
139 |
63 |
141 |
18 |
15 |
10 |
0 |
| ODI |
0 |
65 |
39 |
102 |
34 |
8 |
10 |
0 |
| CDI |
0 |
3 |
31 |
125 |
70 |
17 |
11 |
0 |
| VCDI |
0 |
0 |
5 |
128 |
380 |
1641 |
5346 |
2418 |
|
Date: 2023-10-16:
| 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 |
92856 |
4709 |
197 |
314 |
141 |
25 |
0 |
0 |
| OW |
0 |
92 |
68 |
121 |
35 |
63 |
0 |
0 |
| VODI |
0 |
17 |
42 |
144 |
12 |
44 |
2 |
0 |
| ODI |
0 |
0 |
22 |
122 |
44 |
52 |
30 |
0 |
| CDI |
0 |
0 |
0 |
115 |
229 |
113 |
43 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
217 |
1699 |
4834 |
2684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92856 |
4409 |
107 |
177 |
151 |
131 |
8 |
0 |
| OW |
0 |
183 |
34 |
32 |
9 |
28 |
12 |
0 |
| VODI |
0 |
149 |
96 |
148 |
16 |
21 |
18 |
0 |
| ODI |
0 |
64 |
52 |
147 |
14 |
10 |
13 |
0 |
| CDI |
0 |
13 |
23 |
153 |
48 |
16 |
19 |
0 |
| VCDI |
0 |
0 |
17 |
173 |
440 |
1790 |
4839 |
2684 |
|
Date: 2023-10-18:
| 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 |
90160 |
6868 |
248 |
474 |
246 |
42 |
0 |
0 |
| OW |
0 |
77 |
35 |
126 |
93 |
69 |
0 |
0 |
| VODI |
0 |
38 |
46 |
140 |
91 |
54 |
0 |
0 |
| ODI |
0 |
4 |
19 |
99 |
66 |
76 |
8 |
0 |
| CDI |
0 |
0 |
3 |
107 |
245 |
101 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
263 |
2083 |
5070 |
2147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90160 |
6745 |
197 |
389 |
176 |
133 |
0 |
0 |
| OW |
0 |
123 |
48 |
55 |
29 |
32 |
0 |
0 |
| VODI |
0 |
70 |
62 |
154 |
65 |
52 |
7 |
0 |
| ODI |
0 |
25 |
16 |
160 |
138 |
33 |
1 |
0 |
| CDI |
0 |
19 |
16 |
96 |
139 |
38 |
0 |
0 |
| VCDI |
0 |
5 |
12 |
94 |
457 |
2137 |
5070 |
2147 |
|
Date: 2023-10-20:
| 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 |
88990 |
7591 |
429 |
497 |
162 |
20 |
0 |
0 |
| OW |
0 |
57 |
64 |
149 |
71 |
50 |
0 |
0 |
| VODI |
0 |
24 |
24 |
191 |
172 |
54 |
0 |
0 |
| ODI |
0 |
4 |
10 |
130 |
126 |
65 |
0 |
0 |
| CDI |
0 |
0 |
1 |
87 |
201 |
108 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
53 |
363 |
2877 |
4826 |
1700 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88990 |
7620 |
478 |
595 |
190 |
89 |
0 |
0 |
| OW |
0 |
49 |
35 |
155 |
58 |
28 |
0 |
0 |
| VODI |
0 |
7 |
15 |
191 |
144 |
65 |
0 |
0 |
| ODI |
0 |
0 |
0 |
90 |
249 |
51 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
153 |
109 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
301 |
2832 |
4830 |
1700 |
|
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