Validation of sea ice concentration - European sector
Bulletin date: 2025-02-20
Data source: OSI SAF N.H. AMSR 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 |
58695 |
15191 |
145 |
145 |
23 |
2 |
0 |
0 |
| OW |
607 |
1265 |
255 |
369 |
151 |
16 |
0 |
0 |
| VODI |
1770 |
420 |
205 |
521 |
400 |
125 |
0 |
0 |
| ODI |
1938 |
136 |
69 |
254 |
558 |
472 |
36 |
0 |
| CDI |
0 |
79 |
30 |
128 |
631 |
1537 |
735 |
0 |
| VCDI |
0 |
74 |
34 |
114 |
355 |
3103 |
9572 |
2702 |
|
...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 |
58487 |
15371 |
201 |
160 |
22 |
7 |
0 |
0 |
| OW |
633 |
1293 |
224 |
267 |
100 |
37 |
1 |
0 |
| VODI |
1755 |
571 |
190 |
409 |
333 |
99 |
2 |
0 |
| ODI |
1956 |
229 |
113 |
326 |
444 |
245 |
10 |
0 |
| CDI |
0 |
117 |
56 |
237 |
732 |
1137 |
677 |
0 |
| VCDI |
0 |
58 |
28 |
127 |
433 |
2556 |
10147 |
3072 |
|
...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 |
59537 |
14626 |
133 |
110 |
18 |
7 |
0 |
0 |
| OW |
660 |
1605 |
180 |
272 |
75 |
1 |
0 |
0 |
| VODI |
1749 |
452 |
246 |
531 |
285 |
58 |
1 |
0 |
| ODI |
1964 |
108 |
64 |
313 |
707 |
323 |
29 |
0 |
| CDI |
0 |
93 |
42 |
156 |
491 |
1164 |
752 |
0 |
| VCDI |
0 |
26 |
19 |
84 |
233 |
2162 |
10404 |
3182 |
|
...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 |
59647 |
14697 |
92 |
106 |
24 |
0 |
0 |
0 |
| OW |
752 |
1320 |
196 |
241 |
98 |
7 |
0 |
0 |
| VODI |
1846 |
462 |
212 |
395 |
325 |
87 |
0 |
0 |
| ODI |
1742 |
145 |
101 |
271 |
485 |
346 |
28 |
0 |
| CDI |
0 |
85 |
46 |
188 |
467 |
1010 |
1022 |
0 |
| VCDI |
0 |
17 |
32 |
117 |
236 |
2063 |
10499 |
3455 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59637 |
14654 |
93 |
113 |
24 |
0 |
0 |
0 |
| OW |
762 |
1335 |
200 |
237 |
88 |
4 |
0 |
0 |
| VODI |
1847 |
460 |
200 |
387 |
329 |
88 |
0 |
0 |
| ODI |
1741 |
156 |
98 |
252 |
476 |
354 |
29 |
0 |
| CDI |
0 |
98 |
53 |
210 |
465 |
996 |
1092 |
0 |
| VCDI |
0 |
23 |
35 |
119 |
253 |
2071 |
10428 |
3455 |
|
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 |
60176 |
13985 |
137 |
105 |
16 |
1 |
0 |
0 |
| OW |
794 |
1244 |
165 |
247 |
131 |
15 |
7 |
0 |
| VODI |
1839 |
499 |
188 |
326 |
352 |
84 |
24 |
0 |
| ODI |
1750 |
184 |
111 |
271 |
430 |
300 |
58 |
0 |
| CDI |
0 |
92 |
57 |
276 |
539 |
930 |
802 |
0 |
| VCDI |
0 |
37 |
30 |
125 |
333 |
2485 |
9976 |
3741 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60169 |
13993 |
138 |
98 |
16 |
0 |
0 |
0 |
| OW |
801 |
1204 |
160 |
253 |
115 |
14 |
6 |
0 |
| VODI |
1837 |
516 |
185 |
312 |
352 |
80 |
26 |
0 |
| ODI |
1752 |
177 |
117 |
269 |
412 |
293 |
61 |
0 |
| CDI |
0 |
99 |
53 |
285 |
552 |
1014 |
952 |
0 |
| VCDI |
0 |
52 |
35 |
133 |
354 |
2414 |
9822 |
3741 |
|
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 |
61191 |
12884 |
103 |
76 |
30 |
8 |
0 |
0 |
| OW |
643 |
1397 |
249 |
295 |
108 |
22 |
20 |
0 |
| VODI |
1750 |
363 |
267 |
727 |
368 |
83 |
20 |
0 |
| ODI |
1963 |
58 |
54 |
370 |
651 |
333 |
28 |
0 |
| CDI |
0 |
9 |
25 |
166 |
646 |
1840 |
531 |
0 |
| VCDI |
0 |
5 |
4 |
30 |
152 |
2865 |
9102 |
3426 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61143 |
12654 |
66 |
65 |
17 |
1 |
0 |
0 |
| OW |
815 |
1253 |
192 |
213 |
127 |
19 |
7 |
0 |
| VODI |
1839 |
525 |
239 |
474 |
240 |
76 |
34 |
0 |
| ODI |
1750 |
167 |
115 |
453 |
447 |
238 |
52 |
0 |
| CDI |
0 |
93 |
67 |
360 |
806 |
1603 |
550 |
3 |
| VCDI |
0 |
24 |
23 |
99 |
318 |
3214 |
9058 |
3423 |
|
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 |
60918 |
13035 |
86 |
79 |
21 |
0 |
0 |
0 |
| OW |
745 |
1481 |
260 |
207 |
68 |
27 |
13 |
0 |
| VODI |
1859 |
582 |
250 |
678 |
262 |
105 |
12 |
0 |
| ODI |
1736 |
166 |
85 |
409 |
750 |
197 |
45 |
0 |
| CDI |
0 |
40 |
46 |
257 |
803 |
1305 |
360 |
0 |
| VCDI |
0 |
16 |
15 |
116 |
483 |
3516 |
8716 |
3113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60812 |
12594 |
69 |
53 |
10 |
0 |
0 |
0 |
| OW |
847 |
1492 |
167 |
177 |
59 |
9 |
4 |
0 |
| VODI |
1843 |
734 |
258 |
430 |
237 |
115 |
43 |
0 |
| ODI |
1756 |
299 |
106 |
503 |
590 |
236 |
53 |
0 |
| CDI |
0 |
157 |
118 |
421 |
910 |
1156 |
399 |
0 |
| VCDI |
0 |
44 |
24 |
162 |
581 |
3634 |
8647 |
3113 |
|
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 |
60598 |
13304 |
111 |
82 |
14 |
5 |
0 |
0 |
| OW |
753 |
1491 |
246 |
279 |
66 |
27 |
0 |
0 |
| VODI |
1861 |
596 |
256 |
612 |
333 |
41 |
1 |
0 |
| ODI |
1740 |
153 |
94 |
373 |
562 |
183 |
12 |
0 |
| CDI |
1 |
65 |
43 |
248 |
837 |
1351 |
290 |
1 |
| VCDI |
0 |
47 |
19 |
124 |
498 |
3932 |
9382 |
2231 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60587 |
12713 |
97 |
90 |
14 |
1 |
0 |
0 |
| OW |
764 |
1571 |
202 |
221 |
50 |
11 |
0 |
0 |
| VODI |
1845 |
781 |
214 |
472 |
311 |
57 |
0 |
0 |
| ODI |
1756 |
311 |
126 |
398 |
477 |
308 |
22 |
0 |
| CDI |
1 |
194 |
94 |
360 |
869 |
1178 |
262 |
3 |
| VCDI |
0 |
86 |
36 |
177 |
589 |
3984 |
9401 |
2229 |
|
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