Validation of sea ice concentration - European sector
Bulletin date: 2024-12-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2024-12-22:
| 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 |
67918 |
9973 |
75 |
54 |
11 |
0 |
0 |
0 |
| OW |
824 |
858 |
252 |
338 |
117 |
19 |
8 |
0 |
| VODI |
2040 |
292 |
154 |
487 |
364 |
150 |
41 |
0 |
| ODI |
1596 |
99 |
46 |
170 |
434 |
416 |
110 |
0 |
| CDI |
0 |
80 |
27 |
108 |
358 |
1246 |
1254 |
0 |
| VCDI |
0 |
21 |
23 |
35 |
85 |
912 |
8702 |
3165 |
|
...date precedes bulletin
|
Date: 2024-12-24:
| 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 |
67919 |
10068 |
83 |
72 |
3 |
0 |
0 |
0 |
| OW |
848 |
910 |
255 |
271 |
64 |
1 |
0 |
0 |
| VODI |
2009 |
235 |
123 |
532 |
422 |
77 |
17 |
0 |
| ODI |
1636 |
73 |
30 |
108 |
488 |
242 |
41 |
0 |
| CDI |
0 |
82 |
48 |
64 |
334 |
1068 |
607 |
0 |
| VCDI |
0 |
14 |
13 |
91 |
180 |
1533 |
9752 |
2549 |
|
...date precedes bulletin
|
Date: 2024-12-26:
| 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 |
68603 |
9366 |
47 |
62 |
12 |
0 |
0 |
0 |
| OW |
917 |
1152 |
118 |
128 |
81 |
17 |
0 |
0 |
| VODI |
1996 |
502 |
179 |
346 |
243 |
116 |
30 |
0 |
| ODI |
1654 |
175 |
63 |
215 |
268 |
189 |
74 |
0 |
| CDI |
0 |
176 |
88 |
236 |
398 |
803 |
530 |
0 |
| VCDI |
0 |
119 |
39 |
120 |
415 |
1431 |
9462 |
2492 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68672 |
9878 |
71 |
85 |
21 |
5 |
0 |
0 |
| OW |
858 |
901 |
157 |
208 |
119 |
19 |
0 |
0 |
| VODI |
2026 |
392 |
159 |
334 |
289 |
168 |
27 |
0 |
| ODI |
1614 |
129 |
47 |
200 |
283 |
296 |
101 |
0 |
| CDI |
0 |
145 |
74 |
193 |
422 |
781 |
723 |
0 |
| VCDI |
0 |
45 |
26 |
87 |
283 |
1287 |
9245 |
2492 |
|
Date: 2024-12-28:
| 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 |
67931 |
9753 |
93 |
40 |
18 |
8 |
0 |
0 |
| OW |
923 |
1050 |
147 |
167 |
82 |
35 |
4 |
0 |
| VODI |
1976 |
483 |
170 |
375 |
212 |
92 |
36 |
0 |
| ODI |
1674 |
190 |
68 |
173 |
279 |
205 |
92 |
0 |
| CDI |
0 |
168 |
91 |
235 |
541 |
539 |
691 |
0 |
| VCDI |
0 |
37 |
24 |
73 |
330 |
1385 |
9266 |
3206 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68024 |
10261 |
150 |
95 |
40 |
24 |
3 |
0 |
| OW |
838 |
778 |
164 |
256 |
141 |
43 |
11 |
0 |
| VODI |
2012 |
376 |
153 |
333 |
230 |
155 |
56 |
0 |
| ODI |
1630 |
126 |
47 |
154 |
319 |
267 |
154 |
0 |
| CDI |
0 |
120 |
64 |
178 |
524 |
555 |
849 |
0 |
| VCDI |
0 |
20 |
15 |
47 |
208 |
1220 |
9016 |
3206 |
|
Date: 2024-12-30:
| 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 |
67089 |
10786 |
116 |
71 |
9 |
0 |
0 |
0 |
| OW |
846 |
822 |
239 |
238 |
94 |
14 |
0 |
0 |
| VODI |
2005 |
225 |
167 |
479 |
337 |
87 |
1 |
0 |
| ODI |
1667 |
43 |
32 |
195 |
357 |
253 |
33 |
0 |
| CDI |
11 |
17 |
33 |
101 |
409 |
1189 |
530 |
0 |
| VCDI |
1 |
0 |
2 |
25 |
67 |
966 |
8631 |
4675 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67106 |
10744 |
167 |
130 |
38 |
27 |
0 |
0 |
| OW |
826 |
642 |
194 |
253 |
167 |
68 |
11 |
0 |
| VODI |
2000 |
331 |
134 |
366 |
281 |
155 |
38 |
0 |
| ODI |
1663 |
91 |
26 |
141 |
301 |
328 |
152 |
0 |
| CDI |
18 |
83 |
56 |
166 |
377 |
936 |
1014 |
0 |
| VCDI |
6 |
2 |
12 |
53 |
109 |
995 |
7980 |
4675 |
|
Date: 2025-01-01:
| 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 |
65168 |
11979 |
259 |
216 |
27 |
0 |
0 |
0 |
| OW |
838 |
763 |
161 |
286 |
107 |
27 |
0 |
0 |
| VODI |
1980 |
263 |
128 |
323 |
282 |
127 |
20 |
0 |
| ODI |
1668 |
95 |
67 |
187 |
405 |
288 |
110 |
0 |
| CDI |
0 |
51 |
37 |
153 |
373 |
1160 |
1015 |
0 |
| VCDI |
0 |
19 |
10 |
20 |
110 |
1018 |
9020 |
4102 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65191 |
11925 |
296 |
260 |
48 |
18 |
6 |
0 |
| OW |
813 |
657 |
133 |
264 |
142 |
82 |
34 |
0 |
| VODI |
1975 |
331 |
100 |
272 |
239 |
151 |
122 |
0 |
| ODI |
1675 |
131 |
62 |
198 |
327 |
284 |
256 |
0 |
| CDI |
0 |
111 |
55 |
146 |
406 |
1007 |
1110 |
0 |
| VCDI |
0 |
15 |
16 |
45 |
142 |
1078 |
8637 |
4102 |
|
Date: 2025-01-03:
| 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 |
67257 |
9981 |
57 |
53 |
1 |
0 |
0 |
0 |
| OW |
835 |
965 |
147 |
214 |
80 |
17 |
0 |
0 |
| VODI |
1967 |
433 |
155 |
281 |
241 |
54 |
13 |
0 |
| ODI |
1685 |
173 |
66 |
215 |
410 |
297 |
114 |
0 |
| CDI |
0 |
138 |
67 |
235 |
594 |
1499 |
986 |
0 |
| VCDI |
0 |
46 |
23 |
108 |
202 |
1447 |
8101 |
3705 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67259 |
9781 |
89 |
72 |
46 |
8 |
9 |
0 |
| OW |
828 |
886 |
101 |
168 |
148 |
53 |
32 |
0 |
| VODI |
1957 |
573 |
135 |
219 |
175 |
122 |
60 |
0 |
| ODI |
1700 |
222 |
71 |
201 |
292 |
295 |
212 |
0 |
| CDI |
0 |
204 |
80 |
291 |
599 |
1054 |
624 |
0 |
| VCDI |
0 |
70 |
39 |
155 |
268 |
1782 |
8277 |
3705 |
|
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