Validation of sea ice concentration - European sector
Bulletin date: 2025-01-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2025-01-05:
| 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 |
66377 |
10829 |
88 |
86 |
17 |
0 |
0 |
0 |
| OW |
813 |
1060 |
138 |
184 |
108 |
32 |
0 |
0 |
| VODI |
1944 |
375 |
159 |
308 |
223 |
70 |
14 |
0 |
| ODI |
1715 |
147 |
58 |
182 |
333 |
307 |
98 |
0 |
| CDI |
0 |
122 |
61 |
211 |
522 |
1260 |
1052 |
7 |
| VCDI |
0 |
70 |
32 |
143 |
309 |
1157 |
8181 |
4070 |
|
...date precedes bulletin
|
Date: 2025-01-07:
| 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 |
64416 |
13167 |
184 |
177 |
13 |
0 |
0 |
0 |
| OW |
815 |
778 |
168 |
340 |
173 |
24 |
0 |
0 |
| VODI |
1923 |
131 |
124 |
322 |
296 |
78 |
0 |
0 |
| ODI |
1741 |
57 |
23 |
163 |
293 |
270 |
57 |
0 |
| CDI |
0 |
28 |
20 |
128 |
368 |
924 |
1406 |
0 |
| VCDI |
0 |
4 |
5 |
24 |
141 |
975 |
8402 |
4704 |
|
...date precedes bulletin
|
Date: 2025-01-09:
| 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 |
63683 |
13240 |
230 |
184 |
62 |
15 |
0 |
0 |
| OW |
814 |
675 |
152 |
263 |
182 |
107 |
1 |
0 |
| VODI |
1896 |
187 |
113 |
264 |
228 |
232 |
16 |
0 |
| ODI |
1778 |
56 |
41 |
174 |
272 |
311 |
126 |
0 |
| CDI |
0 |
28 |
16 |
85 |
376 |
1361 |
1922 |
0 |
| VCDI |
0 |
4 |
7 |
13 |
89 |
874 |
8464 |
4321 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63688 |
13456 |
264 |
262 |
89 |
17 |
0 |
0 |
| OW |
818 |
504 |
139 |
267 |
197 |
98 |
2 |
0 |
| VODI |
1915 |
157 |
103 |
234 |
266 |
292 |
31 |
0 |
| ODI |
1750 |
56 |
36 |
145 |
266 |
364 |
178 |
0 |
| CDI |
0 |
15 |
13 |
68 |
327 |
1398 |
2107 |
0 |
| VCDI |
0 |
2 |
4 |
7 |
64 |
731 |
8211 |
4321 |
|
Date: 2025-01-11:
| 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 |
63182 |
12927 |
663 |
143 |
21 |
0 |
0 |
0 |
| OW |
822 |
981 |
202 |
284 |
157 |
9 |
0 |
0 |
| VODI |
1881 |
260 |
134 |
345 |
354 |
151 |
2 |
0 |
| ODI |
1801 |
94 |
40 |
142 |
332 |
368 |
24 |
0 |
| CDI |
0 |
60 |
43 |
132 |
356 |
1429 |
716 |
2 |
| VCDI |
0 |
15 |
19 |
90 |
301 |
1699 |
9151 |
3530 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63203 |
13320 |
719 |
223 |
56 |
4 |
0 |
0 |
| OW |
814 |
692 |
185 |
288 |
227 |
57 |
0 |
0 |
| VODI |
1896 |
217 |
116 |
312 |
306 |
247 |
11 |
0 |
| ODI |
1773 |
71 |
40 |
140 |
339 |
432 |
42 |
0 |
| CDI |
0 |
33 |
31 |
123 |
334 |
1352 |
1045 |
5 |
| VCDI |
0 |
4 |
10 |
50 |
259 |
1564 |
8795 |
3527 |
|
Date: 2025-01-13:
| 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 |
65690 |
11185 |
121 |
109 |
23 |
0 |
0 |
0 |
| OW |
811 |
966 |
226 |
286 |
130 |
18 |
0 |
0 |
| VODI |
1858 |
129 |
114 |
386 |
399 |
121 |
3 |
0 |
| ODI |
1825 |
47 |
30 |
132 |
343 |
359 |
18 |
0 |
| CDI |
0 |
16 |
22 |
97 |
390 |
1300 |
341 |
0 |
| VCDI |
0 |
2 |
1 |
26 |
212 |
1572 |
9528 |
4026 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65708 |
11086 |
127 |
161 |
46 |
0 |
0 |
0 |
| OW |
800 |
826 |
199 |
256 |
204 |
52 |
0 |
0 |
| VODI |
1878 |
246 |
99 |
300 |
326 |
275 |
7 |
0 |
| ODI |
1798 |
106 |
45 |
137 |
269 |
446 |
75 |
0 |
| CDI |
0 |
67 |
29 |
138 |
386 |
1059 |
855 |
2 |
| VCDI |
0 |
14 |
15 |
44 |
266 |
1538 |
8953 |
4024 |
|
Date: 2025-01-15:
| 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 |
65474 |
11077 |
149 |
154 |
24 |
4 |
0 |
0 |
| OW |
818 |
908 |
152 |
306 |
171 |
38 |
5 |
0 |
| VODI |
1837 |
266 |
122 |
214 |
353 |
169 |
26 |
0 |
| ODI |
1850 |
68 |
62 |
163 |
217 |
268 |
57 |
0 |
| CDI |
0 |
37 |
27 |
159 |
333 |
999 |
1024 |
3 |
| VCDI |
0 |
18 |
7 |
44 |
139 |
985 |
9067 |
5068 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65457 |
10762 |
134 |
172 |
60 |
11 |
0 |
0 |
| OW |
837 |
871 |
149 |
259 |
167 |
76 |
10 |
0 |
| VODI |
1856 |
450 |
86 |
218 |
301 |
203 |
52 |
0 |
| ODI |
1829 |
171 |
68 |
121 |
215 |
368 |
148 |
0 |
| CDI |
0 |
71 |
63 |
204 |
355 |
854 |
1268 |
1 |
| VCDI |
0 |
49 |
19 |
66 |
139 |
951 |
8701 |
5070 |
|
Date: 2025-01-17:
| 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 |
62867 |
13485 |
157 |
157 |
11 |
2 |
3 |
0 |
| OW |
795 |
967 |
139 |
257 |
131 |
37 |
7 |
0 |
| VODI |
1814 |
379 |
110 |
236 |
218 |
137 |
50 |
0 |
| ODI |
1875 |
128 |
51 |
134 |
257 |
215 |
115 |
0 |
| CDI |
0 |
81 |
49 |
174 |
345 |
695 |
901 |
2 |
| VCDI |
0 |
1 |
8 |
40 |
171 |
832 |
9175 |
5654 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62830 |
13219 |
157 |
192 |
39 |
8 |
5 |
0 |
| OW |
834 |
926 |
91 |
159 |
123 |
93 |
31 |
0 |
| VODI |
1825 |
501 |
128 |
213 |
143 |
114 |
124 |
0 |
| ODI |
1862 |
230 |
67 |
179 |
247 |
169 |
170 |
0 |
| CDI |
0 |
140 |
44 |
175 |
391 |
691 |
1270 |
19 |
| VCDI |
0 |
25 |
27 |
80 |
190 |
843 |
8651 |
5637 |
|
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