Validation of sea ice concentration - European sector
Bulletin date: 2024-12-12
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-12-06:
| 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 |
73539 |
7429 |
133 |
186 |
161 |
42 |
0 |
0 |
| OW |
907 |
912 |
118 |
171 |
128 |
82 |
0 |
0 |
| VODI |
2417 |
361 |
144 |
317 |
151 |
136 |
12 |
0 |
| ODI |
1155 |
47 |
60 |
202 |
291 |
264 |
98 |
0 |
| CDI |
0 |
20 |
23 |
130 |
415 |
1007 |
477 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
160 |
2154 |
7960 |
1037 |
|
...date precedes bulletin
|
Date: 2024-12-08:
| 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 |
73825 |
7153 |
76 |
96 |
83 |
2 |
0 |
0 |
| OW |
888 |
1083 |
69 |
88 |
120 |
21 |
4 |
0 |
| VODI |
2344 |
576 |
127 |
160 |
182 |
86 |
13 |
0 |
| ODI |
1248 |
135 |
108 |
237 |
248 |
181 |
41 |
0 |
| CDI |
0 |
20 |
40 |
199 |
589 |
1181 |
369 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
115 |
2122 |
6466 |
2566 |
|
...date precedes bulletin
|
Date: 2024-12-10:
| 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 |
72878 |
8167 |
75 |
98 |
46 |
10 |
0 |
0 |
| OW |
891 |
1089 |
154 |
160 |
124 |
37 |
4 |
0 |
| VODI |
2333 |
206 |
153 |
353 |
220 |
136 |
45 |
0 |
| ODI |
1248 |
20 |
26 |
164 |
293 |
377 |
98 |
0 |
| CDI |
0 |
0 |
6 |
69 |
317 |
993 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
107 |
1578 |
7041 |
3108 |
|
...date precedes bulletin
|
Date: 2024-12-12:
| 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 |
72058 |
8530 |
86 |
43 |
20 |
0 |
0 |
0 |
| OW |
865 |
972 |
218 |
271 |
161 |
10 |
0 |
0 |
| VODI |
2300 |
211 |
108 |
291 |
332 |
191 |
1 |
0 |
| ODI |
1283 |
50 |
31 |
138 |
269 |
348 |
40 |
0 |
| CDI |
0 |
32 |
14 |
108 |
345 |
1014 |
477 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
82 |
1726 |
8131 |
2097 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72069 |
8621 |
107 |
64 |
19 |
0 |
0 |
0 |
| OW |
857 |
888 |
188 |
232 |
150 |
8 |
0 |
0 |
| VODI |
2325 |
216 |
119 |
302 |
360 |
206 |
1 |
0 |
| ODI |
1255 |
42 |
31 |
157 |
277 |
438 |
55 |
0 |
| CDI |
0 |
25 |
12 |
102 |
353 |
1077 |
716 |
0 |
| VCDI |
0 |
3 |
0 |
3 |
50 |
1560 |
7877 |
2097 |
|
Date: 2024-12-14:
| 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 |
71700 |
8679 |
35 |
2 |
0 |
0 |
0 |
0 |
| OW |
869 |
1134 |
198 |
217 |
41 |
11 |
0 |
0 |
| VODI |
2262 |
343 |
108 |
287 |
247 |
132 |
65 |
0 |
| ODI |
1329 |
91 |
52 |
149 |
230 |
288 |
61 |
0 |
| CDI |
0 |
36 |
39 |
169 |
324 |
1203 |
689 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
105 |
1196 |
7961 |
2604 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71707 |
8831 |
63 |
30 |
5 |
0 |
0 |
0 |
| OW |
867 |
1001 |
161 |
203 |
75 |
13 |
2 |
0 |
| VODI |
2281 |
329 |
114 |
289 |
240 |
198 |
41 |
0 |
| ODI |
1305 |
97 |
61 |
141 |
248 |
360 |
118 |
0 |
| CDI |
0 |
25 |
33 |
164 |
288 |
1204 |
1062 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
91 |
1055 |
7553 |
2604 |
|
Date: 2024-12-16:
| 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 |
70323 |
9772 |
95 |
58 |
10 |
0 |
0 |
0 |
| OW |
842 |
1087 |
202 |
265 |
76 |
5 |
0 |
0 |
| VODI |
2207 |
187 |
162 |
468 |
298 |
69 |
7 |
0 |
| ODI |
1393 |
34 |
24 |
119 |
385 |
305 |
17 |
0 |
| CDI |
0 |
15 |
18 |
73 |
298 |
1157 |
556 |
0 |
| VCDI |
0 |
1 |
1 |
11 |
58 |
1298 |
8104 |
2862 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70324 |
9487 |
119 |
127 |
31 |
3 |
0 |
0 |
| OW |
845 |
940 |
144 |
278 |
122 |
38 |
5 |
0 |
| VODI |
2222 |
456 |
124 |
279 |
304 |
223 |
58 |
0 |
| ODI |
1374 |
152 |
55 |
130 |
248 |
344 |
158 |
0 |
| CDI |
0 |
59 |
58 |
158 |
278 |
901 |
1021 |
0 |
| VCDI |
0 |
2 |
2 |
22 |
142 |
1325 |
7442 |
2862 |
|
Date: 2024-12-18:
| 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 |
68993 |
10399 |
88 |
43 |
8 |
7 |
0 |
0 |
| OW |
837 |
803 |
272 |
334 |
98 |
16 |
0 |
0 |
| VODI |
2149 |
189 |
127 |
450 |
410 |
129 |
7 |
0 |
| ODI |
1458 |
54 |
35 |
155 |
369 |
363 |
30 |
0 |
| CDI |
0 |
39 |
24 |
93 |
281 |
1421 |
1026 |
0 |
| VCDI |
0 |
4 |
4 |
32 |
130 |
805 |
8260 |
2920 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68993 |
10177 |
144 |
93 |
38 |
13 |
0 |
0 |
| OW |
837 |
768 |
180 |
346 |
188 |
41 |
1 |
0 |
| VODI |
2162 |
328 |
126 |
308 |
396 |
278 |
59 |
0 |
| ODI |
1445 |
111 |
53 |
172 |
241 |
467 |
174 |
0 |
| CDI |
0 |
100 |
44 |
150 |
273 |
943 |
1060 |
0 |
| VCDI |
0 |
4 |
3 |
38 |
160 |
999 |
8029 |
2920 |
|
Date: 2024-12-20:
| 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 |
68030 |
10396 |
131 |
73 |
8 |
4 |
0 |
0 |
| OW |
830 |
632 |
240 |
448 |
165 |
20 |
0 |
0 |
| VODI |
2092 |
193 |
128 |
401 |
482 |
150 |
2 |
0 |
| ODI |
1528 |
72 |
44 |
144 |
446 |
432 |
48 |
0 |
| CDI |
0 |
24 |
37 |
108 |
389 |
1698 |
1467 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
535 |
7770 |
3674 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68034 |
10430 |
217 |
235 |
67 |
1 |
0 |
0 |
| OW |
828 |
561 |
178 |
366 |
222 |
71 |
0 |
0 |
| VODI |
2109 |
246 |
101 |
342 |
453 |
314 |
50 |
0 |
| ODI |
1509 |
70 |
50 |
125 |
336 |
519 |
201 |
0 |
| CDI |
0 |
10 |
33 |
99 |
382 |
1053 |
1421 |
0 |
| VCDI |
0 |
0 |
1 |
7 |
51 |
881 |
7615 |
3674 |
|
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