Validation of sea ice concentration - European sector
Bulletin date: 2023-10-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2023-10-22:
| 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 |
91481 |
5466 |
152 |
188 |
88 |
78 |
0 |
0 |
| OW |
2 |
150 |
52 |
90 |
37 |
58 |
0 |
0 |
| VODI |
0 |
124 |
50 |
121 |
22 |
72 |
0 |
0 |
| ODI |
0 |
64 |
64 |
132 |
43 |
58 |
1 |
0 |
| CDI |
0 |
7 |
18 |
143 |
164 |
103 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
67 |
483 |
1970 |
5843 |
1709 |
|
...date precedes bulletin
|
Date: 2023-10-24:
| 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 |
91742 |
5310 |
214 |
284 |
81 |
40 |
0 |
0 |
| OW |
2 |
68 |
68 |
184 |
45 |
27 |
0 |
0 |
| VODI |
0 |
17 |
40 |
206 |
65 |
49 |
0 |
0 |
| ODI |
0 |
2 |
2 |
115 |
94 |
69 |
0 |
0 |
| CDI |
0 |
0 |
0 |
93 |
330 |
390 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
225 |
1912 |
5597 |
1823 |
|
...date precedes bulletin
|
Date: 2023-10-26:
| 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 |
91293 |
5434 |
263 |
372 |
115 |
78 |
8 |
0 |
| OW |
4 |
54 |
55 |
214 |
49 |
34 |
10 |
0 |
| VODI |
0 |
3 |
35 |
256 |
65 |
48 |
19 |
0 |
| ODI |
0 |
0 |
2 |
127 |
94 |
64 |
19 |
0 |
| CDI |
0 |
0 |
0 |
79 |
315 |
114 |
113 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
288 |
1891 |
3902 |
3673 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91283 |
5423 |
259 |
375 |
119 |
73 |
7 |
0 |
| OW |
14 |
60 |
60 |
212 |
41 |
30 |
10 |
0 |
| VODI |
0 |
8 |
33 |
257 |
68 |
60 |
21 |
0 |
| ODI |
0 |
0 |
3 |
120 |
103 |
65 |
18 |
0 |
| CDI |
0 |
0 |
0 |
87 |
329 |
120 |
108 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
266 |
1881 |
3907 |
3673 |
|
Date: 2023-10-28:
| 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 |
91026 |
5478 |
267 |
407 |
128 |
57 |
20 |
0 |
| OW |
6 |
39 |
52 |
190 |
33 |
15 |
20 |
0 |
| VODI |
0 |
6 |
32 |
244 |
114 |
58 |
27 |
0 |
| ODI |
0 |
0 |
2 |
137 |
115 |
70 |
24 |
0 |
| CDI |
0 |
0 |
0 |
65 |
277 |
144 |
97 |
1 |
| VCDI |
0 |
0 |
0 |
9 |
197 |
1537 |
4141 |
4065 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91015 |
5467 |
274 |
421 |
130 |
58 |
21 |
0 |
| OW |
17 |
48 |
45 |
188 |
39 |
11 |
19 |
0 |
| VODI |
0 |
8 |
31 |
229 |
110 |
68 |
29 |
0 |
| ODI |
0 |
0 |
3 |
136 |
126 |
71 |
22 |
0 |
| CDI |
0 |
0 |
0 |
68 |
265 |
162 |
87 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
194 |
1511 |
4151 |
4066 |
|
Date: 2023-10-30:
| 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 |
89761 |
6497 |
283 |
473 |
175 |
54 |
4 |
0 |
| OW |
8 |
8 |
63 |
195 |
51 |
16 |
8 |
0 |
| VODI |
0 |
0 |
5 |
290 |
140 |
13 |
23 |
0 |
| ODI |
0 |
0 |
0 |
108 |
236 |
45 |
20 |
0 |
| CDI |
0 |
0 |
0 |
23 |
288 |
492 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
121 |
795 |
5912 |
2939 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89763 |
6439 |
261 |
494 |
210 |
80 |
34 |
0 |
| OW |
6 |
66 |
53 |
141 |
65 |
9 |
21 |
0 |
| VODI |
0 |
0 |
36 |
203 |
116 |
59 |
55 |
0 |
| ODI |
0 |
0 |
1 |
172 |
134 |
65 |
45 |
0 |
| CDI |
0 |
0 |
0 |
56 |
262 |
214 |
112 |
0 |
| VCDI |
0 |
0 |
0 |
31 |
224 |
988 |
5746 |
2939 |
|
Date: 2023-11-01:
| 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 |
89634 |
6294 |
371 |
473 |
150 |
88 |
24 |
0 |
| OW |
9 |
29 |
43 |
207 |
68 |
19 |
9 |
0 |
| VODI |
0 |
5 |
14 |
242 |
151 |
19 |
19 |
0 |
| ODI |
0 |
0 |
2 |
152 |
170 |
40 |
29 |
0 |
| CDI |
0 |
0 |
0 |
52 |
202 |
287 |
59 |
1 |
| VCDI |
0 |
0 |
0 |
18 |
167 |
834 |
6206 |
3013 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89635 |
6147 |
307 |
445 |
181 |
116 |
56 |
0 |
| OW |
8 |
149 |
81 |
153 |
58 |
14 |
27 |
0 |
| VODI |
0 |
29 |
33 |
187 |
108 |
50 |
56 |
0 |
| ODI |
0 |
3 |
9 |
181 |
130 |
74 |
45 |
0 |
| CDI |
0 |
0 |
0 |
131 |
201 |
186 |
140 |
2 |
| VCDI |
0 |
0 |
0 |
47 |
230 |
847 |
6022 |
3012 |
|
Date: 2023-11-03:
| 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 |
89006 |
6470 |
367 |
580 |
231 |
127 |
20 |
0 |
| OW |
11 |
8 |
28 |
199 |
114 |
21 |
11 |
0 |
| VODI |
0 |
0 |
2 |
150 |
195 |
23 |
14 |
0 |
| ODI |
0 |
0 |
0 |
55 |
277 |
48 |
23 |
0 |
| CDI |
0 |
0 |
0 |
9 |
231 |
230 |
68 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
135 |
770 |
5082 |
4595 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89008 |
6328 |
301 |
519 |
253 |
165 |
48 |
0 |
| OW |
9 |
142 |
58 |
156 |
77 |
12 |
27 |
0 |
| VODI |
0 |
8 |
36 |
198 |
150 |
36 |
32 |
0 |
| ODI |
0 |
0 |
2 |
87 |
149 |
58 |
74 |
0 |
| CDI |
0 |
0 |
0 |
29 |
334 |
163 |
134 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
220 |
785 |
4903 |
4595 |
|
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