Validation of sea ice concentration - European sector
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. AMSR 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 |
91305 |
6283 |
147 |
232 |
242 |
185 |
9 |
0 |
| OW |
0 |
120 |
38 |
39 |
6 |
12 |
3 |
0 |
| VODI |
0 |
112 |
33 |
49 |
12 |
21 |
5 |
0 |
| ODI |
0 |
52 |
15 |
55 |
39 |
28 |
3 |
0 |
| CDI |
0 |
57 |
32 |
61 |
62 |
163 |
15 |
0 |
| VCDI |
0 |
14 |
11 |
72 |
180 |
2244 |
6834 |
310 |
|
...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 |
93039 |
4431 |
117 |
253 |
357 |
91 |
4 |
0 |
| OW |
0 |
162 |
20 |
44 |
31 |
12 |
3 |
0 |
| VODI |
0 |
115 |
41 |
54 |
25 |
10 |
3 |
0 |
| ODI |
0 |
66 |
17 |
70 |
33 |
23 |
3 |
0 |
| CDI |
0 |
75 |
23 |
45 |
100 |
153 |
28 |
0 |
| VCDI |
0 |
20 |
19 |
57 |
105 |
2399 |
6709 |
343 |
|
...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 |
92443 |
5043 |
152 |
381 |
229 |
54 |
0 |
0 |
| OW |
0 |
91 |
50 |
89 |
66 |
33 |
0 |
0 |
| VODI |
0 |
54 |
31 |
149 |
86 |
48 |
0 |
0 |
| ODI |
0 |
21 |
15 |
38 |
90 |
46 |
0 |
0 |
| CDI |
0 |
7 |
13 |
47 |
169 |
313 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
47 |
1922 |
7321 |
0 |
|
...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 |
92567 |
4930 |
150 |
276 |
159 |
62 |
0 |
0 |
| OW |
0 |
121 |
43 |
53 |
59 |
27 |
0 |
0 |
| VODI |
0 |
83 |
33 |
139 |
69 |
35 |
0 |
0 |
| ODI |
0 |
53 |
24 |
66 |
63 |
33 |
5 |
0 |
| CDI |
0 |
25 |
25 |
58 |
114 |
67 |
6 |
0 |
| VCDI |
0 |
0 |
3 |
29 |
136 |
1569 |
6328 |
1690 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92567 |
4931 |
142 |
275 |
163 |
66 |
0 |
0 |
| OW |
0 |
124 |
41 |
37 |
43 |
22 |
0 |
0 |
| VODI |
0 |
79 |
40 |
121 |
73 |
34 |
0 |
0 |
| ODI |
0 |
52 |
25 |
97 |
59 |
31 |
2 |
0 |
| CDI |
0 |
26 |
23 |
53 |
108 |
68 |
8 |
0 |
| VCDI |
0 |
0 |
7 |
38 |
154 |
1572 |
6329 |
1690 |
|
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 |
92847 |
4536 |
83 |
143 |
187 |
155 |
4 |
0 |
| OW |
0 |
219 |
31 |
34 |
28 |
48 |
0 |
0 |
| VODI |
0 |
195 |
48 |
87 |
29 |
22 |
12 |
0 |
| ODI |
0 |
91 |
29 |
60 |
41 |
11 |
14 |
0 |
| CDI |
0 |
68 |
29 |
60 |
52 |
47 |
20 |
0 |
| VCDI |
0 |
23 |
28 |
93 |
216 |
1593 |
6012 |
1905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92847 |
4531 |
79 |
140 |
191 |
184 |
4 |
0 |
| OW |
0 |
210 |
28 |
22 |
19 |
25 |
1 |
0 |
| VODI |
0 |
197 |
47 |
88 |
27 |
17 |
10 |
0 |
| ODI |
0 |
98 |
35 |
61 |
41 |
9 |
14 |
0 |
| CDI |
0 |
62 |
27 |
59 |
52 |
42 |
15 |
0 |
| VCDI |
0 |
34 |
32 |
107 |
223 |
1599 |
6018 |
1905 |
|
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 |
92832 |
4819 |
133 |
248 |
163 |
47 |
0 |
0 |
| OW |
0 |
169 |
52 |
55 |
32 |
71 |
0 |
0 |
| VODI |
0 |
91 |
31 |
76 |
17 |
44 |
2 |
0 |
| ODI |
0 |
49 |
25 |
52 |
54 |
62 |
28 |
0 |
| CDI |
0 |
19 |
25 |
87 |
105 |
211 |
53 |
0 |
| VCDI |
0 |
0 |
2 |
43 |
181 |
1462 |
5571 |
2189 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92832 |
4474 |
84 |
126 |
167 |
146 |
10 |
0 |
| OW |
0 |
214 |
13 |
14 |
11 |
36 |
10 |
0 |
| VODI |
0 |
213 |
57 |
122 |
11 |
29 |
16 |
0 |
| ODI |
0 |
135 |
46 |
75 |
20 |
13 |
11 |
0 |
| CDI |
0 |
67 |
32 |
69 |
62 |
25 |
17 |
0 |
| VCDI |
0 |
44 |
36 |
155 |
281 |
1648 |
5590 |
2189 |
|
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 |
90991 |
6275 |
133 |
300 |
270 |
61 |
8 |
0 |
| OW |
0 |
114 |
35 |
79 |
86 |
70 |
16 |
0 |
| VODI |
0 |
91 |
24 |
98 |
97 |
51 |
8 |
0 |
| ODI |
0 |
35 |
23 |
54 |
63 |
63 |
34 |
0 |
| CDI |
0 |
9 |
27 |
70 |
140 |
196 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
142 |
1793 |
5357 |
2264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90991 |
6119 |
97 |
236 |
199 |
144 |
14 |
0 |
| OW |
0 |
154 |
28 |
44 |
22 |
26 |
13 |
0 |
| VODI |
0 |
119 |
52 |
99 |
71 |
40 |
29 |
0 |
| ODI |
0 |
57 |
23 |
98 |
150 |
34 |
11 |
0 |
| CDI |
0 |
47 |
18 |
55 |
104 |
77 |
7 |
0 |
| VCDI |
0 |
28 |
24 |
78 |
252 |
1913 |
5363 |
2264 |
|
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 |
88953 |
8067 |
283 |
161 |
177 |
48 |
0 |
0 |
| OW |
0 |
111 |
50 |
93 |
88 |
49 |
0 |
0 |
| VODI |
0 |
70 |
42 |
111 |
200 |
42 |
0 |
0 |
| ODI |
0 |
31 |
20 |
95 |
121 |
63 |
5 |
0 |
| CDI |
0 |
17 |
11 |
63 |
151 |
153 |
6 |
0 |
| VCDI |
0 |
8 |
15 |
53 |
229 |
3159 |
5422 |
933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88953 |
8140 |
328 |
211 |
235 |
95 |
0 |
0 |
| OW |
0 |
96 |
34 |
98 |
65 |
32 |
0 |
0 |
| VODI |
0 |
39 |
29 |
128 |
143 |
79 |
4 |
0 |
| ODI |
0 |
16 |
10 |
62 |
224 |
77 |
1 |
0 |
| CDI |
0 |
9 |
9 |
33 |
101 |
153 |
0 |
0 |
| VCDI |
0 |
4 |
11 |
44 |
198 |
3078 |
5428 |
933 |
|
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