Validation of sea ice concentration - European sector
Bulletin date: 2021-10-28
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-22:
| 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 |
93841 |
4918 |
47 |
273 |
96 |
3 |
0 |
0 |
| OW |
5 |
123 |
13 |
135 |
93 |
11 |
0 |
0 |
| VODI |
0 |
44 |
10 |
98 |
141 |
39 |
0 |
0 |
| ODI |
0 |
10 |
4 |
69 |
118 |
41 |
0 |
0 |
| CDI |
0 |
2 |
0 |
39 |
197 |
146 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
181 |
2356 |
3369 |
2662 |
|
...date precedes bulletin
|
Date: 2021-10-24:
| 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 |
93611 |
4986 |
35 |
266 |
119 |
0 |
0 |
0 |
| OW |
6 |
128 |
13 |
137 |
70 |
19 |
0 |
0 |
| VODI |
0 |
59 |
13 |
103 |
157 |
43 |
0 |
0 |
| ODI |
0 |
10 |
3 |
70 |
107 |
42 |
0 |
0 |
| CDI |
0 |
7 |
1 |
50 |
205 |
77 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
200 |
1284 |
3718 |
3534 |
|
...date precedes bulletin
|
Date: 2021-10-26:
| 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 |
92536 |
5958 |
61 |
294 |
171 |
5 |
0 |
0 |
| OW |
8 |
57 |
10 |
113 |
113 |
18 |
0 |
0 |
| VODI |
0 |
27 |
7 |
80 |
200 |
70 |
0 |
0 |
| ODI |
0 |
7 |
2 |
36 |
146 |
139 |
0 |
0 |
| CDI |
0 |
0 |
0 |
18 |
123 |
271 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
61 |
1417 |
4226 |
2904 |
|
...date precedes bulletin
|
Date: 2021-10-28:
| 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 |
92401 |
5919 |
62 |
315 |
215 |
30 |
0 |
0 |
| OW |
10 |
85 |
9 |
117 |
88 |
34 |
0 |
0 |
| VODI |
0 |
45 |
9 |
100 |
179 |
41 |
3 |
0 |
| ODI |
0 |
19 |
3 |
51 |
195 |
78 |
15 |
0 |
| CDI |
0 |
5 |
3 |
34 |
157 |
177 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
95 |
1048 |
3677 |
3775 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92400 |
5934 |
64 |
335 |
220 |
33 |
0 |
0 |
| OW |
11 |
72 |
7 |
107 |
99 |
24 |
0 |
0 |
| VODI |
0 |
45 |
9 |
87 |
183 |
48 |
1 |
0 |
| ODI |
0 |
16 |
3 |
53 |
184 |
84 |
10 |
0 |
| CDI |
0 |
6 |
3 |
36 |
156 |
199 |
92 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
87 |
1020 |
3683 |
3775 |
|
Date: 2021-10-30:
| 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 |
91763 |
6360 |
49 |
254 |
249 |
25 |
0 |
0 |
| OW |
11 |
134 |
16 |
127 |
95 |
47 |
0 |
0 |
| VODI |
0 |
47 |
9 |
97 |
163 |
64 |
0 |
0 |
| ODI |
0 |
23 |
3 |
49 |
203 |
48 |
13 |
0 |
| CDI |
0 |
17 |
2 |
39 |
161 |
150 |
46 |
0 |
| VCDI |
0 |
5 |
1 |
30 |
161 |
997 |
4501 |
3141 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91763 |
6395 |
50 |
272 |
260 |
26 |
0 |
0 |
| OW |
11 |
99 |
15 |
128 |
90 |
40 |
0 |
0 |
| VODI |
0 |
44 |
9 |
77 |
177 |
69 |
0 |
0 |
| ODI |
0 |
22 |
4 |
48 |
185 |
39 |
8 |
0 |
| CDI |
0 |
19 |
1 |
42 |
152 |
170 |
35 |
0 |
| VCDI |
0 |
7 |
1 |
29 |
168 |
987 |
4517 |
3141 |
|
Date: 2021-11-01:
| 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 |
90645 |
7456 |
44 |
245 |
189 |
13 |
0 |
0 |
| OW |
14 |
104 |
24 |
157 |
64 |
18 |
0 |
0 |
| VODI |
0 |
39 |
7 |
153 |
174 |
30 |
0 |
0 |
| ODI |
0 |
11 |
7 |
58 |
279 |
58 |
0 |
0 |
| CDI |
0 |
13 |
0 |
33 |
207 |
127 |
7 |
0 |
| VCDI |
0 |
10 |
5 |
33 |
129 |
1371 |
5979 |
1397 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90645 |
7418 |
45 |
252 |
209 |
27 |
0 |
0 |
| OW |
14 |
126 |
16 |
148 |
68 |
33 |
0 |
0 |
| VODI |
0 |
42 |
17 |
134 |
160 |
47 |
0 |
0 |
| ODI |
0 |
16 |
4 |
63 |
181 |
39 |
0 |
0 |
| CDI |
0 |
17 |
0 |
47 |
232 |
78 |
15 |
0 |
| VCDI |
0 |
14 |
5 |
35 |
192 |
1393 |
5971 |
1397 |
|
Date: 2021-11-03:
| 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 |
90161 |
7533 |
75 |
328 |
188 |
38 |
0 |
0 |
| OW |
18 |
80 |
15 |
166 |
126 |
26 |
0 |
0 |
| VODI |
0 |
32 |
6 |
124 |
200 |
43 |
0 |
0 |
| ODI |
0 |
12 |
2 |
54 |
213 |
102 |
0 |
0 |
| CDI |
0 |
12 |
0 |
35 |
157 |
133 |
4 |
0 |
| VCDI |
0 |
6 |
1 |
54 |
360 |
2843 |
5048 |
905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90165 |
7497 |
67 |
322 |
209 |
60 |
0 |
0 |
| OW |
14 |
99 |
18 |
188 |
114 |
40 |
0 |
0 |
| VODI |
0 |
46 |
10 |
117 |
206 |
62 |
0 |
0 |
| ODI |
0 |
22 |
4 |
67 |
196 |
63 |
0 |
0 |
| CDI |
0 |
11 |
0 |
38 |
199 |
130 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
320 |
2830 |
5027 |
905 |
|
Date: 2021-11-05:
| 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 |
88807 |
8566 |
85 |
364 |
124 |
66 |
0 |
0 |
| OW |
31 |
163 |
25 |
201 |
116 |
24 |
0 |
0 |
| VODI |
0 |
37 |
9 |
142 |
154 |
30 |
0 |
0 |
| ODI |
0 |
21 |
4 |
71 |
168 |
39 |
0 |
0 |
| CDI |
0 |
6 |
2 |
40 |
272 |
117 |
0 |
0 |
| VCDI |
0 |
4 |
1 |
71 |
378 |
1698 |
6161 |
1103 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88811 |
8426 |
74 |
381 |
187 |
68 |
0 |
0 |
| OW |
27 |
226 |
22 |
173 |
104 |
57 |
0 |
0 |
| VODI |
0 |
92 |
14 |
120 |
171 |
39 |
0 |
0 |
| ODI |
0 |
41 |
11 |
69 |
183 |
31 |
1 |
0 |
| CDI |
0 |
12 |
5 |
81 |
160 |
87 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
65 |
407 |
1692 |
6146 |
1103 |
|
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