Validation of sea ice concentration - European sector
Bulletin date: 2025-02-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-07:
| 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 |
61386 |
12952 |
188 |
318 |
142 |
19 |
0 |
3 |
| OW |
649 |
1655 |
181 |
277 |
128 |
23 |
4 |
11 |
| VODI |
1795 |
796 |
251 |
525 |
438 |
168 |
22 |
9 |
| ODI |
1905 |
282 |
89 |
274 |
621 |
486 |
230 |
8 |
| CDI |
0 |
273 |
83 |
234 |
566 |
1076 |
676 |
75 |
| VCDI |
0 |
302 |
94 |
212 |
496 |
2292 |
7269 |
3379 |
|
...date precedes bulletin
|
Date: 2025-02-09:
| 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 |
61916 |
12184 |
106 |
183 |
86 |
7 |
0 |
0 |
| OW |
633 |
1769 |
146 |
162 |
125 |
30 |
0 |
0 |
| VODI |
1787 |
955 |
290 |
504 |
339 |
112 |
13 |
0 |
| ODI |
1917 |
171 |
111 |
487 |
544 |
336 |
80 |
0 |
| CDI |
0 |
117 |
45 |
366 |
658 |
1182 |
622 |
0 |
| VCDI |
0 |
68 |
43 |
206 |
465 |
3079 |
8840 |
2178 |
|
...date precedes bulletin
|
Date: 2025-02-11:
| 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 |
60551 |
13359 |
217 |
275 |
50 |
3 |
0 |
0 |
| OW |
634 |
1543 |
323 |
373 |
109 |
23 |
0 |
0 |
| VODI |
1789 |
404 |
322 |
689 |
324 |
84 |
11 |
0 |
| ODI |
1915 |
64 |
59 |
438 |
617 |
302 |
45 |
0 |
| CDI |
0 |
15 |
22 |
217 |
726 |
1533 |
666 |
2 |
| VCDI |
0 |
0 |
9 |
72 |
447 |
3269 |
8627 |
2734 |
|
...date precedes bulletin
|
Date: 2025-02-13:
| 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 |
59233 |
14768 |
176 |
183 |
28 |
1 |
0 |
0 |
| OW |
619 |
1329 |
288 |
355 |
92 |
17 |
0 |
0 |
| VODI |
1785 |
441 |
196 |
613 |
345 |
106 |
1 |
0 |
| ODI |
1921 |
100 |
65 |
323 |
640 |
357 |
23 |
0 |
| CDI |
0 |
60 |
27 |
139 |
771 |
1521 |
564 |
0 |
| VCDI |
0 |
55 |
33 |
100 |
518 |
3439 |
9115 |
2515 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59233 |
14791 |
183 |
199 |
35 |
5 |
0 |
0 |
| OW |
619 |
1312 |
277 |
376 |
90 |
24 |
0 |
0 |
| VODI |
1786 |
439 |
199 |
566 |
388 |
100 |
2 |
0 |
| ODI |
1920 |
109 |
66 |
324 |
599 |
334 |
21 |
0 |
| CDI |
0 |
46 |
29 |
147 |
745 |
1533 |
579 |
0 |
| VCDI |
0 |
56 |
31 |
101 |
537 |
3445 |
9101 |
2515 |
|
Date: 2025-02-15:
| 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 |
58594 |
15150 |
224 |
180 |
32 |
5 |
0 |
0 |
| OW |
623 |
1231 |
207 |
345 |
150 |
35 |
0 |
0 |
| VODI |
1759 |
533 |
200 |
417 |
378 |
122 |
13 |
0 |
| ODI |
1952 |
170 |
90 |
334 |
432 |
321 |
40 |
0 |
| CDI |
0 |
87 |
44 |
178 |
695 |
1406 |
629 |
0 |
| VCDI |
0 |
42 |
28 |
93 |
351 |
2940 |
9870 |
2962 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58594 |
15232 |
226 |
195 |
39 |
6 |
0 |
0 |
| OW |
623 |
1181 |
222 |
348 |
166 |
43 |
0 |
0 |
| VODI |
1759 |
494 |
185 |
404 |
364 |
146 |
14 |
0 |
| ODI |
1952 |
179 |
90 |
316 |
417 |
309 |
39 |
0 |
| CDI |
0 |
90 |
45 |
198 |
683 |
1437 |
694 |
0 |
| VCDI |
0 |
37 |
25 |
86 |
369 |
2888 |
9805 |
2962 |
|
Date: 2025-02-17:
| 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 |
58793 |
15315 |
203 |
96 |
16 |
15 |
2 |
0 |
| OW |
650 |
1629 |
237 |
263 |
84 |
7 |
0 |
0 |
| VODI |
1758 |
336 |
254 |
610 |
399 |
96 |
11 |
0 |
| ODI |
1953 |
84 |
44 |
255 |
741 |
458 |
65 |
0 |
| CDI |
0 |
50 |
38 |
160 |
524 |
1161 |
563 |
0 |
| VCDI |
0 |
5 |
4 |
30 |
190 |
1841 |
10546 |
3376 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58798 |
15132 |
228 |
135 |
31 |
10 |
2 |
0 |
| OW |
643 |
1242 |
200 |
286 |
127 |
30 |
0 |
0 |
| VODI |
1750 |
543 |
147 |
331 |
322 |
127 |
7 |
0 |
| ODI |
1963 |
273 |
109 |
264 |
394 |
252 |
24 |
0 |
| CDI |
0 |
170 |
64 |
257 |
688 |
1130 |
925 |
0 |
| VCDI |
0 |
59 |
32 |
141 |
392 |
2029 |
10229 |
3376 |
|
Date: 2025-02-19:
| 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 |
59303 |
14933 |
129 |
110 |
27 |
0 |
0 |
0 |
| OW |
762 |
1459 |
204 |
249 |
63 |
6 |
0 |
0 |
| VODI |
1851 |
468 |
241 |
462 |
271 |
64 |
0 |
0 |
| ODI |
1735 |
119 |
76 |
365 |
628 |
286 |
6 |
0 |
| CDI |
0 |
73 |
53 |
168 |
557 |
1133 |
911 |
0 |
| VCDI |
0 |
22 |
30 |
126 |
222 |
2016 |
10375 |
3359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59303 |
14539 |
167 |
141 |
43 |
2 |
0 |
0 |
| OW |
760 |
1308 |
158 |
280 |
119 |
18 |
0 |
0 |
| VODI |
1843 |
541 |
150 |
338 |
325 |
118 |
1 |
0 |
| ODI |
1745 |
301 |
88 |
230 |
341 |
263 |
17 |
0 |
| CDI |
0 |
226 |
81 |
243 |
619 |
966 |
909 |
0 |
| VCDI |
0 |
159 |
89 |
248 |
321 |
2138 |
10365 |
3359 |
|
Date: 2025-02-21:
| 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 |
59614 |
14611 |
121 |
110 |
26 |
0 |
0 |
0 |
| OW |
748 |
1244 |
210 |
276 |
102 |
11 |
0 |
0 |
| VODI |
1843 |
474 |
157 |
337 |
379 |
106 |
7 |
0 |
| ODI |
1746 |
184 |
80 |
269 |
336 |
406 |
76 |
0 |
| CDI |
0 |
88 |
72 |
198 |
508 |
891 |
1032 |
0 |
| VCDI |
0 |
40 |
17 |
122 |
240 |
2254 |
10358 |
3569 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59614 |
13936 |
216 |
231 |
87 |
7 |
0 |
0 |
| OW |
747 |
1290 |
95 |
216 |
195 |
51 |
0 |
0 |
| VODI |
1834 |
664 |
96 |
183 |
334 |
209 |
29 |
0 |
| ODI |
1756 |
345 |
87 |
167 |
184 |
369 |
106 |
0 |
| CDI |
0 |
288 |
87 |
261 |
360 |
824 |
1159 |
0 |
| VCDI |
0 |
118 |
76 |
254 |
431 |
2208 |
10179 |
3569 |
|
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