Validation of sea ice concentration - European sector
Bulletin date: 2025-07-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2025-07-25:
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 |
81337 |
5416 |
39 |
8 |
5 |
0 |
0 |
0 |
OW |
1892 |
1346 |
366 |
363 |
16 |
0 |
0 |
0 |
VODI |
2295 |
178 |
254 |
1052 |
287 |
22 |
0 |
0 |
ODI |
0 |
7 |
18 |
226 |
936 |
326 |
9 |
0 |
CDI |
0 |
0 |
0 |
22 |
982 |
3925 |
216 |
0 |
VCDI |
0 |
0 |
0 |
0 |
2 |
1300 |
17 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-27:
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 |
81041 |
6037 |
64 |
23 |
2 |
0 |
0 |
0 |
OW |
1819 |
1123 |
309 |
379 |
34 |
1 |
0 |
0 |
VODI |
2260 |
168 |
249 |
1100 |
278 |
33 |
0 |
0 |
ODI |
0 |
18 |
18 |
233 |
1090 |
457 |
31 |
0 |
CDI |
0 |
1 |
4 |
23 |
1252 |
3387 |
132 |
0 |
VCDI |
0 |
0 |
0 |
0 |
1 |
1237 |
58 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-29:
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 |
82584 |
5226 |
105 |
23 |
4 |
0 |
0 |
0 |
OW |
1940 |
1005 |
410 |
294 |
16 |
0 |
0 |
0 |
VODI |
2003 |
42 |
158 |
1073 |
221 |
5 |
0 |
0 |
ODI |
0 |
0 |
3 |
200 |
2030 |
386 |
7 |
0 |
CDI |
0 |
0 |
1 |
7 |
526 |
3466 |
108 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
495 |
524 |
0 |
|
...date precedes bulletin
|
Date: 2025-07-31:
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 |
83046 |
4896 |
40 |
19 |
4 |
0 |
0 |
0 |
OW |
1966 |
1119 |
337 |
301 |
10 |
0 |
0 |
0 |
VODI |
1968 |
123 |
221 |
846 |
260 |
2 |
1 |
0 |
ODI |
0 |
1 |
12 |
159 |
1984 |
382 |
1 |
0 |
CDI |
0 |
0 |
1 |
13 |
668 |
3154 |
149 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
1090 |
89 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
83045 |
4890 |
47 |
16 |
3 |
0 |
0 |
0 |
OW |
1965 |
1088 |
311 |
343 |
16 |
0 |
0 |
0 |
VODI |
1970 |
161 |
241 |
820 |
255 |
2 |
1 |
0 |
ODI |
0 |
0 |
9 |
144 |
1884 |
442 |
0 |
0 |
CDI |
0 |
0 |
3 |
15 |
768 |
3088 |
150 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
1096 |
89 |
0 |
|
Date: 2025-08-02:
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 |
81447 |
6394 |
64 |
23 |
2 |
0 |
0 |
0 |
OW |
1997 |
1358 |
318 |
246 |
13 |
0 |
0 |
0 |
VODI |
1924 |
302 |
317 |
751 |
110 |
2 |
0 |
0 |
ODI |
0 |
9 |
26 |
214 |
1711 |
371 |
10 |
0 |
CDI |
0 |
1 |
3 |
23 |
1164 |
2366 |
557 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
999 |
140 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
81447 |
6396 |
72 |
22 |
2 |
0 |
0 |
0 |
OW |
1995 |
1314 |
335 |
298 |
12 |
0 |
0 |
0 |
VODI |
1926 |
348 |
292 |
716 |
126 |
3 |
0 |
0 |
ODI |
0 |
5 |
25 |
195 |
1675 |
461 |
7 |
0 |
CDI |
0 |
1 |
4 |
26 |
1185 |
2214 |
549 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
1060 |
151 |
0 |
|
Date: 2025-08-04:
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 |
84099 |
4217 |
43 |
18 |
2 |
0 |
0 |
0 |
OW |
2002 |
1800 |
403 |
309 |
13 |
0 |
0 |
0 |
VODI |
1917 |
11 |
41 |
687 |
200 |
2 |
0 |
0 |
ODI |
0 |
0 |
1 |
63 |
2550 |
228 |
0 |
0 |
CDI |
0 |
0 |
0 |
1 |
374 |
3080 |
124 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
189 |
488 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
84101 |
3743 |
36 |
15 |
1 |
0 |
0 |
0 |
OW |
2029 |
1699 |
203 |
199 |
12 |
0 |
0 |
0 |
VODI |
1888 |
564 |
231 |
577 |
90 |
2 |
0 |
0 |
ODI |
0 |
16 |
12 |
251 |
1664 |
353 |
1 |
0 |
CDI |
0 |
6 |
6 |
36 |
1365 |
2871 |
286 |
0 |
VCDI |
0 |
0 |
0 |
0 |
7 |
273 |
325 |
0 |
|
Date: 2025-08-06:
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 |
85256 |
3288 |
31 |
19 |
1 |
0 |
0 |
0 |
OW |
2168 |
1765 |
284 |
340 |
21 |
1 |
0 |
0 |
VODI |
1883 |
169 |
146 |
476 |
123 |
12 |
0 |
0 |
ODI |
0 |
1 |
13 |
119 |
2274 |
80 |
23 |
0 |
CDI |
0 |
0 |
0 |
4 |
1303 |
2560 |
72 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
337 |
93 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
85180 |
2863 |
17 |
10 |
1 |
0 |
0 |
0 |
OW |
2279 |
1632 |
208 |
194 |
15 |
0 |
0 |
0 |
VODI |
1848 |
676 |
187 |
449 |
77 |
20 |
1 |
0 |
ODI |
0 |
48 |
52 |
257 |
1498 |
197 |
18 |
0 |
CDI |
0 |
4 |
10 |
48 |
2126 |
2540 |
135 |
0 |
VCDI |
0 |
0 |
0 |
0 |
5 |
233 |
34 |
0 |
|
Date: 2025-08-08:
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 |
85656 |
3255 |
44 |
21 |
1 |
0 |
0 |
0 |
OW |
2180 |
1811 |
235 |
236 |
28 |
2 |
0 |
0 |
VODI |
1845 |
239 |
71 |
323 |
217 |
28 |
0 |
0 |
ODI |
0 |
13 |
25 |
105 |
1914 |
147 |
0 |
0 |
CDI |
0 |
0 |
0 |
6 |
1053 |
2304 |
864 |
0 |
VCDI |
0 |
0 |
0 |
0 |
1 |
38 |
200 |
0 |
|
|
observations |
|
Ice free |
Ice free near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI near MIZ |
VCDI |
m o d e l |
Ice free |
85550 |
2802 |
41 |
21 |
1 |
0 |
0 |
0 |
OW |
2318 |
1690 |
154 |
180 |
17 |
0 |
0 |
0 |
VODI |
1813 |
741 |
132 |
297 |
139 |
11 |
0 |
0 |
ODI |
0 |
83 |
46 |
171 |
1214 |
227 |
2 |
0 |
CDI |
0 |
2 |
2 |
22 |
1843 |
2261 |
973 |
0 |
VCDI |
0 |
0 |
0 |
0 |
0 |
20 |
89 |
0 |
|
Generated by /metno/routine/sms/V3/SIconcentrationValidation5/SICamsr2webPage5sector.sh Fri Aug 15 02:14:00 UTC 2025 on arcval2