Validation of sea ice concentration - European sector
Bulletin date: 2023-10-05
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-30:
| 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 |
85391 |
3634 |
131 |
128 |
8 |
0 |
0 |
0 |
| OW |
0 |
252 |
93 |
328 |
42 |
0 |
0 |
0 |
| VODI |
0 |
12 |
51 |
340 |
254 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
87 |
382 |
138 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
149 |
504 |
227 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
274 |
2619 |
5344 |
|
...date precedes bulletin
|
Date: 2023-10-02:
| 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 |
84009 |
4810 |
118 |
203 |
34 |
21 |
0 |
0 |
| OW |
0 |
344 |
63 |
131 |
47 |
88 |
0 |
0 |
| VODI |
0 |
95 |
68 |
183 |
133 |
136 |
8 |
0 |
| ODI |
0 |
13 |
13 |
128 |
111 |
148 |
41 |
0 |
| CDI |
0 |
0 |
11 |
75 |
175 |
296 |
272 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
66 |
249 |
4167 |
4146 |
|
...date precedes bulletin
|
Date: 2023-10-04:
| 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 |
84995 |
3753 |
85 |
167 |
48 |
8 |
0 |
0 |
| OW |
0 |
281 |
133 |
136 |
18 |
13 |
0 |
0 |
| VODI |
0 |
27 |
78 |
273 |
36 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
204 |
76 |
23 |
0 |
0 |
| CDI |
0 |
0 |
0 |
66 |
341 |
184 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
47 |
2172 |
6468 |
769 |
|
...date precedes bulletin
|
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 |
83976 |
4426 |
76 |
210 |
100 |
11 |
0 |
0 |
| OW |
0 |
323 |
30 |
163 |
96 |
32 |
2 |
0 |
| VODI |
0 |
131 |
106 |
117 |
90 |
20 |
6 |
0 |
| ODI |
0 |
0 |
40 |
160 |
54 |
39 |
7 |
0 |
| CDI |
0 |
0 |
0 |
191 |
381 |
120 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
1934 |
6491 |
1019 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83976 |
4433 |
72 |
216 |
101 |
9 |
0 |
0 |
| OW |
0 |
309 |
37 |
145 |
100 |
29 |
1 |
0 |
| VODI |
0 |
138 |
113 |
139 |
82 |
24 |
7 |
0 |
| ODI |
0 |
0 |
29 |
159 |
60 |
33 |
6 |
0 |
| CDI |
0 |
0 |
1 |
182 |
383 |
141 |
17 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1920 |
6485 |
1019 |
|
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 |
84337 |
3934 |
42 |
144 |
128 |
2 |
0 |
0 |
| OW |
0 |
464 |
78 |
127 |
53 |
41 |
1 |
0 |
| VODI |
0 |
189 |
66 |
98 |
60 |
59 |
16 |
0 |
| ODI |
0 |
39 |
66 |
114 |
30 |
57 |
12 |
0 |
| CDI |
0 |
3 |
26 |
231 |
356 |
132 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
1514 |
6372 |
1531 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84337 |
3973 |
39 |
153 |
114 |
7 |
0 |
0 |
| OW |
0 |
423 |
80 |
110 |
77 |
35 |
0 |
0 |
| VODI |
0 |
202 |
79 |
114 |
48 |
52 |
15 |
0 |
| ODI |
0 |
25 |
63 |
119 |
37 |
61 |
13 |
0 |
| CDI |
0 |
6 |
17 |
218 |
354 |
152 |
28 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
64 |
1498 |
6372 |
1531 |
|
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 |
83713 |
4546 |
100 |
168 |
75 |
0 |
0 |
0 |
| OW |
1 |
381 |
134 |
190 |
40 |
0 |
0 |
0 |
| VODI |
0 |
2 |
38 |
329 |
110 |
11 |
0 |
0 |
| ODI |
0 |
0 |
9 |
85 |
230 |
28 |
0 |
0 |
| CDI |
0 |
0 |
0 |
102 |
422 |
388 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
28 |
1704 |
6398 |
1156 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83714 |
4408 |
111 |
210 |
62 |
0 |
0 |
0 |
| OW |
0 |
360 |
53 |
193 |
111 |
6 |
0 |
0 |
| VODI |
0 |
122 |
39 |
188 |
142 |
55 |
0 |
0 |
| ODI |
0 |
38 |
43 |
72 |
146 |
36 |
0 |
0 |
| CDI |
0 |
1 |
35 |
191 |
338 |
188 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
24 |
106 |
1846 |
6420 |
1156 |
|
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 |
83570 |
4837 |
120 |
105 |
0 |
0 |
0 |
0 |
| OW |
0 |
201 |
106 |
280 |
11 |
0 |
0 |
0 |
| VODI |
0 |
12 |
36 |
365 |
100 |
4 |
0 |
0 |
| ODI |
0 |
0 |
13 |
82 |
230 |
58 |
0 |
0 |
| CDI |
0 |
0 |
1 |
114 |
380 |
289 |
4 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
986 |
6237 |
2220 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83570 |
4589 |
104 |
133 |
0 |
0 |
0 |
0 |
| OW |
0 |
303 |
81 |
223 |
38 |
0 |
0 |
0 |
| VODI |
0 |
91 |
32 |
302 |
108 |
32 |
0 |
0 |
| ODI |
0 |
53 |
16 |
90 |
168 |
67 |
0 |
0 |
| CDI |
0 |
14 |
43 |
176 |
293 |
151 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
169 |
1087 |
6241 |
2220 |
|
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 |
84162 |
4380 |
62 |
17 |
3 |
0 |
0 |
0 |
| OW |
0 |
266 |
94 |
142 |
21 |
0 |
0 |
0 |
| VODI |
0 |
76 |
73 |
178 |
159 |
17 |
0 |
0 |
| ODI |
0 |
14 |
46 |
142 |
92 |
85 |
8 |
0 |
| CDI |
0 |
0 |
4 |
225 |
295 |
186 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
201 |
1355 |
6195 |
1877 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84162 |
4005 |
16 |
15 |
3 |
0 |
0 |
0 |
| OW |
0 |
381 |
90 |
73 |
65 |
0 |
0 |
0 |
| VODI |
0 |
178 |
47 |
164 |
117 |
31 |
0 |
0 |
| ODI |
0 |
124 |
33 |
75 |
104 |
85 |
14 |
0 |
| CDI |
0 |
48 |
93 |
320 |
193 |
96 |
24 |
0 |
| VCDI |
0 |
0 |
0 |
67 |
289 |
1431 |
6196 |
1877 |
|
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