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 |
83501 |
3536 |
87 |
122 |
68 |
45 |
0 |
0 |
| OW |
1966 |
391 |
57 |
115 |
79 |
40 |
1 |
0 |
| VODI |
1909 |
257 |
43 |
46 |
87 |
45 |
4 |
0 |
| ODI |
0 |
99 |
41 |
61 |
40 |
63 |
6 |
0 |
| CDI |
0 |
46 |
48 |
164 |
225 |
262 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
2198 |
6840 |
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 |
83186 |
3705 |
72 |
103 |
94 |
9 |
0 |
0 |
| OW |
1924 |
478 |
55 |
122 |
111 |
6 |
0 |
0 |
| VODI |
1967 |
205 |
28 |
95 |
140 |
44 |
1 |
0 |
| ODI |
0 |
111 |
24 |
56 |
84 |
26 |
5 |
0 |
| CDI |
0 |
87 |
52 |
130 |
166 |
268 |
35 |
0 |
| VCDI |
0 |
7 |
6 |
17 |
56 |
2335 |
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 |
82869 |
4155 |
91 |
139 |
17 |
0 |
0 |
0 |
| OW |
1854 |
378 |
80 |
160 |
38 |
0 |
0 |
0 |
| VODI |
2057 |
66 |
47 |
224 |
144 |
9 |
0 |
0 |
| ODI |
0 |
28 |
21 |
98 |
174 |
45 |
0 |
0 |
| CDI |
0 |
14 |
22 |
79 |
255 |
434 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
59 |
1928 |
7336 |
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 |
82822 |
4314 |
97 |
47 |
0 |
0 |
0 |
0 |
| OW |
1807 |
310 |
77 |
136 |
7 |
0 |
0 |
0 |
| VODI |
2114 |
94 |
48 |
237 |
118 |
13 |
0 |
0 |
| ODI |
0 |
54 |
18 |
90 |
137 |
74 |
4 |
0 |
| CDI |
0 |
26 |
38 |
100 |
231 |
321 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
107 |
1385 |
6297 |
1690 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82823 |
4356 |
100 |
53 |
0 |
0 |
0 |
0 |
| OW |
1808 |
292 |
70 |
124 |
8 |
0 |
0 |
0 |
| VODI |
2112 |
82 |
50 |
243 |
120 |
15 |
0 |
0 |
| ODI |
0 |
46 |
28 |
90 |
148 |
80 |
5 |
0 |
| CDI |
0 |
22 |
30 |
104 |
222 |
327 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
102 |
1371 |
6293 |
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 |
83032 |
4128 |
50 |
19 |
0 |
0 |
0 |
0 |
| OW |
1777 |
304 |
55 |
104 |
28 |
1 |
0 |
0 |
| VODI |
2155 |
172 |
41 |
72 |
154 |
55 |
4 |
0 |
| ODI |
0 |
94 |
36 |
65 |
65 |
85 |
0 |
0 |
| CDI |
0 |
72 |
50 |
155 |
129 |
285 |
57 |
0 |
| VCDI |
0 |
7 |
16 |
62 |
177 |
1450 |
6001 |
1905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83032 |
4189 |
54 |
24 |
0 |
0 |
0 |
0 |
| OW |
1780 |
284 |
52 |
93 |
23 |
2 |
0 |
0 |
| VODI |
2152 |
161 |
40 |
78 |
159 |
64 |
4 |
0 |
| ODI |
0 |
81 |
32 |
57 |
68 |
103 |
0 |
0 |
| CDI |
0 |
52 |
56 |
141 |
111 |
277 |
63 |
0 |
| VCDI |
0 |
10 |
14 |
84 |
192 |
1430 |
5995 |
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 |
83026 |
4126 |
66 |
18 |
2 |
0 |
0 |
0 |
| OW |
1654 |
413 |
76 |
76 |
14 |
0 |
0 |
0 |
| VODI |
2350 |
112 |
61 |
200 |
74 |
8 |
0 |
0 |
| ODI |
0 |
47 |
29 |
100 |
141 |
42 |
0 |
0 |
| CDI |
0 |
13 |
36 |
142 |
196 |
440 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
125 |
1407 |
5620 |
2189 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83031 |
4067 |
61 |
30 |
2 |
0 |
0 |
0 |
| OW |
1670 |
265 |
39 |
43 |
33 |
0 |
0 |
0 |
| VODI |
2329 |
172 |
60 |
88 |
103 |
50 |
0 |
0 |
| ODI |
0 |
107 |
29 |
86 |
73 |
58 |
0 |
0 |
| CDI |
0 |
95 |
58 |
173 |
95 |
277 |
85 |
0 |
| VCDI |
0 |
5 |
21 |
141 |
246 |
1512 |
5569 |
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 |
81208 |
5702 |
84 |
175 |
33 |
0 |
0 |
0 |
| OW |
1601 |
214 |
75 |
151 |
31 |
0 |
0 |
0 |
| VODI |
2413 |
93 |
29 |
123 |
111 |
7 |
0 |
0 |
| ODI |
0 |
42 |
28 |
57 |
203 |
44 |
0 |
0 |
| CDI |
0 |
4 |
26 |
104 |
320 |
416 |
78 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
100 |
1767 |
5359 |
2264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81210 |
5660 |
78 |
175 |
31 |
0 |
0 |
0 |
| OW |
1612 |
189 |
47 |
96 |
44 |
2 |
0 |
0 |
| VODI |
2400 |
111 |
47 |
108 |
79 |
28 |
3 |
0 |
| ODI |
0 |
64 |
17 |
82 |
115 |
86 |
6 |
0 |
| CDI |
0 |
30 |
51 |
106 |
250 |
323 |
58 |
0 |
| VCDI |
0 |
1 |
2 |
43 |
279 |
1795 |
5370 |
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 |
81591 |
4912 |
199 |
48 |
1 |
0 |
0 |
0 |
| OW |
1545 |
251 |
104 |
108 |
42 |
1 |
0 |
0 |
| VODI |
2478 |
130 |
66 |
148 |
103 |
2 |
0 |
0 |
| ODI |
0 |
59 |
18 |
147 |
216 |
37 |
0 |
0 |
| CDI |
0 |
48 |
30 |
105 |
487 |
548 |
5 |
0 |
| VCDI |
0 |
5 |
4 |
20 |
117 |
2926 |
5428 |
933 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81572 |
5095 |
266 |
133 |
22 |
0 |
0 |
0 |
| OW |
1567 |
127 |
68 |
95 |
73 |
8 |
0 |
0 |
| VODI |
2475 |
74 |
37 |
118 |
115 |
36 |
0 |
0 |
| ODI |
0 |
39 |
13 |
86 |
185 |
88 |
0 |
0 |
| CDI |
0 |
32 |
9 |
53 |
318 |
557 |
6 |
0 |
| VCDI |
0 |
38 |
28 |
91 |
253 |
2825 |
5427 |
933 |
|
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