Validation of sea ice concentration - European sector
Bulletin date: 2025-02-20
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-02-14:
| 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 |
60119 |
14735 |
363 |
342 |
15 |
0 |
0 |
0 |
| OW |
21 |
859 |
251 |
778 |
123 |
1 |
0 |
0 |
| VODI |
0 |
246 |
147 |
922 |
478 |
38 |
0 |
0 |
| ODI |
0 |
64 |
33 |
387 |
752 |
322 |
8 |
0 |
| CDI |
0 |
30 |
27 |
170 |
840 |
1488 |
634 |
0 |
| VCDI |
0 |
26 |
20 |
141 |
496 |
3562 |
8634 |
3344 |
|
...date precedes bulletin
|
Date: 2025-02-16:
| 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 |
60265 |
14498 |
340 |
487 |
25 |
0 |
0 |
0 |
| OW |
2 |
885 |
269 |
600 |
142 |
0 |
0 |
0 |
| VODI |
0 |
316 |
158 |
728 |
408 |
27 |
0 |
0 |
| ODI |
0 |
83 |
56 |
476 |
681 |
216 |
2 |
0 |
| CDI |
0 |
45 |
38 |
261 |
1047 |
1264 |
419 |
5 |
| VCDI |
0 |
3 |
16 |
146 |
565 |
2832 |
9334 |
3777 |
|
...date precedes bulletin
|
Date: 2025-02-18:
| 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 |
60550 |
14538 |
387 |
291 |
22 |
0 |
0 |
0 |
| OW |
26 |
1084 |
332 |
626 |
65 |
0 |
0 |
0 |
| VODI |
0 |
175 |
138 |
910 |
374 |
5 |
0 |
0 |
| ODI |
0 |
31 |
47 |
341 |
963 |
170 |
12 |
0 |
| CDI |
0 |
16 |
19 |
169 |
798 |
1306 |
470 |
1 |
| VCDI |
0 |
2 |
1 |
127 |
302 |
2590 |
9239 |
4289 |
|
...date precedes bulletin
|
Date: 2025-02-20:
| 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 |
61284 |
14107 |
252 |
228 |
12 |
0 |
0 |
0 |
| OW |
0 |
896 |
300 |
572 |
100 |
0 |
0 |
0 |
| VODI |
0 |
194 |
134 |
754 |
409 |
17 |
0 |
0 |
| ODI |
0 |
38 |
39 |
376 |
711 |
243 |
9 |
0 |
| CDI |
0 |
14 |
16 |
215 |
782 |
1108 |
754 |
0 |
| VCDI |
0 |
2 |
6 |
119 |
429 |
2431 |
9960 |
3905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61273 |
14056 |
261 |
239 |
15 |
0 |
0 |
0 |
| OW |
11 |
930 |
290 |
560 |
85 |
0 |
0 |
0 |
| VODI |
0 |
205 |
130 |
730 |
409 |
13 |
0 |
0 |
| ODI |
0 |
42 |
42 |
364 |
708 |
250 |
8 |
0 |
| CDI |
0 |
15 |
18 |
243 |
759 |
1104 |
839 |
0 |
| VCDI |
0 |
3 |
6 |
128 |
467 |
2432 |
9876 |
3905 |
|
Date: 2025-02-22:
| 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 |
61296 |
13987 |
241 |
215 |
9 |
0 |
0 |
0 |
| OW |
92 |
864 |
290 |
480 |
110 |
13 |
0 |
0 |
| VODI |
0 |
228 |
156 |
666 |
402 |
60 |
0 |
0 |
| ODI |
0 |
55 |
62 |
430 |
566 |
253 |
32 |
0 |
| CDI |
0 |
28 |
31 |
286 |
899 |
974 |
560 |
0 |
| VCDI |
0 |
7 |
15 |
138 |
564 |
2729 |
9049 |
4629 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61282 |
13993 |
252 |
209 |
7 |
0 |
0 |
0 |
| OW |
106 |
856 |
273 |
447 |
111 |
12 |
0 |
0 |
| VODI |
0 |
220 |
159 |
691 |
381 |
58 |
0 |
0 |
| ODI |
0 |
55 |
59 |
423 |
559 |
243 |
31 |
0 |
| CDI |
0 |
33 |
32 |
288 |
896 |
1080 |
711 |
0 |
| VCDI |
0 |
12 |
20 |
157 |
596 |
2636 |
8899 |
4629 |
|
Date: 2025-02-24:
| 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 |
62421 |
12808 |
215 |
202 |
24 |
0 |
0 |
0 |
| OW |
6 |
974 |
394 |
598 |
114 |
23 |
0 |
0 |
| VODI |
0 |
144 |
96 |
1153 |
450 |
50 |
0 |
0 |
| ODI |
0 |
17 |
9 |
345 |
926 |
241 |
1 |
0 |
| CDI |
0 |
3 |
1 |
165 |
890 |
2005 |
216 |
0 |
| VCDI |
0 |
0 |
2 |
43 |
276 |
2988 |
8190 |
4426 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62300 |
12657 |
192 |
140 |
4 |
0 |
0 |
0 |
| OW |
127 |
903 |
249 |
451 |
148 |
12 |
0 |
0 |
| VODI |
0 |
296 |
180 |
765 |
321 |
71 |
2 |
0 |
| ODI |
0 |
64 |
62 |
608 |
571 |
212 |
9 |
0 |
| CDI |
0 |
25 |
27 |
387 |
1160 |
1664 |
289 |
6 |
| VCDI |
0 |
1 |
7 |
155 |
476 |
3348 |
8107 |
4420 |
|
Date: 2025-02-26:
| 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 |
61815 |
13287 |
224 |
166 |
3 |
0 |
0 |
0 |
| OW |
2 |
1177 |
331 |
497 |
79 |
0 |
0 |
0 |
| VODI |
0 |
349 |
225 |
968 |
384 |
19 |
0 |
0 |
| ODI |
0 |
73 |
47 |
508 |
883 |
176 |
0 |
0 |
| CDI |
0 |
14 |
14 |
245 |
1100 |
1439 |
91 |
4 |
| VCDI |
0 |
11 |
2 |
131 |
607 |
3832 |
7279 |
4434 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61731 |
12905 |
137 |
108 |
2 |
0 |
0 |
0 |
| OW |
86 |
1281 |
236 |
371 |
54 |
0 |
0 |
0 |
| VODI |
0 |
487 |
273 |
683 |
384 |
43 |
0 |
0 |
| ODI |
0 |
143 |
128 |
645 |
639 |
257 |
0 |
0 |
| CDI |
0 |
73 |
51 |
504 |
1254 |
1173 |
218 |
3 |
| VCDI |
0 |
22 |
18 |
204 |
723 |
3993 |
7152 |
4435 |
|
Date: 2025-02-28:
| 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 |
61094 |
13966 |
254 |
165 |
13 |
0 |
0 |
0 |
| OW |
1 |
1147 |
348 |
583 |
69 |
0 |
0 |
0 |
| VODI |
0 |
453 |
227 |
865 |
355 |
3 |
0 |
0 |
| ODI |
0 |
86 |
75 |
487 |
627 |
114 |
0 |
0 |
| CDI |
0 |
34 |
12 |
327 |
1174 |
1248 |
121 |
1 |
| VCDI |
0 |
20 |
19 |
133 |
669 |
4246 |
6425 |
5055 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61073 |
13422 |
229 |
133 |
3 |
0 |
0 |
0 |
| OW |
22 |
1305 |
269 |
458 |
42 |
0 |
0 |
0 |
| VODI |
0 |
588 |
219 |
748 |
339 |
12 |
0 |
0 |
| ODI |
0 |
231 |
115 |
548 |
551 |
235 |
1 |
0 |
| CDI |
0 |
114 |
75 |
435 |
1176 |
1074 |
145 |
1 |
| VCDI |
0 |
46 |
28 |
238 |
796 |
4290 |
6400 |
5055 |
|
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