Validation of sea ice concentration - European sector
Bulletin date: 2024-11-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-15:
| 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 |
80329 |
6617 |
92 |
33 |
5 |
1 |
0 |
0 |
| OW |
1055 |
687 |
130 |
175 |
66 |
8 |
0 |
0 |
| VODI |
3285 |
212 |
126 |
233 |
185 |
13 |
0 |
0 |
| ODI |
0 |
59 |
30 |
112 |
206 |
45 |
0 |
0 |
| CDI |
0 |
60 |
22 |
103 |
342 |
278 |
8 |
0 |
| VCDI |
0 |
42 |
13 |
69 |
252 |
2678 |
5021 |
270 |
|
...date precedes bulletin
|
Date: 2024-11-17:
| 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 |
80196 |
6281 |
227 |
197 |
13 |
0 |
0 |
0 |
| OW |
1047 |
809 |
114 |
164 |
67 |
19 |
0 |
0 |
| VODI |
3297 |
216 |
94 |
184 |
212 |
68 |
1 |
0 |
| ODI |
0 |
53 |
56 |
110 |
132 |
102 |
0 |
0 |
| CDI |
0 |
7 |
33 |
193 |
285 |
275 |
19 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
127 |
2405 |
5310 |
531 |
|
...date precedes bulletin
|
Date: 2024-11-19:
| 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 |
78932 |
7495 |
166 |
222 |
69 |
1 |
0 |
0 |
| OW |
1033 |
561 |
131 |
187 |
47 |
7 |
1 |
0 |
| VODI |
3315 |
89 |
112 |
314 |
172 |
33 |
6 |
0 |
| ODI |
0 |
9 |
20 |
136 |
281 |
129 |
9 |
0 |
| CDI |
0 |
0 |
4 |
56 |
295 |
574 |
109 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
2034 |
5931 |
361 |
|
...date precedes bulletin
|
Date: 2024-11-21:
| 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 |
78150 |
7744 |
149 |
136 |
28 |
0 |
0 |
0 |
| OW |
1031 |
482 |
143 |
280 |
68 |
7 |
0 |
0 |
| VODI |
3324 |
108 |
94 |
351 |
193 |
51 |
8 |
0 |
| ODI |
0 |
19 |
36 |
130 |
314 |
222 |
12 |
0 |
| CDI |
0 |
8 |
9 |
64 |
280 |
662 |
380 |
0 |
| VCDI |
0 |
0 |
1 |
13 |
19 |
1653 |
6429 |
264 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78149 |
7710 |
143 |
121 |
27 |
0 |
0 |
0 |
| OW |
1032 |
502 |
148 |
289 |
64 |
5 |
0 |
0 |
| VODI |
3324 |
127 |
97 |
342 |
209 |
44 |
8 |
0 |
| ODI |
0 |
17 |
35 |
148 |
320 |
223 |
12 |
0 |
| CDI |
0 |
5 |
8 |
63 |
264 |
688 |
439 |
0 |
| VCDI |
0 |
0 |
1 |
11 |
18 |
1635 |
6370 |
264 |
|
Date: 2024-11-23:
| 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 |
77459 |
7747 |
124 |
128 |
19 |
0 |
0 |
0 |
| OW |
1018 |
560 |
137 |
245 |
134 |
50 |
0 |
0 |
| VODI |
3337 |
161 |
117 |
284 |
256 |
76 |
2 |
0 |
| ODI |
0 |
21 |
44 |
172 |
317 |
251 |
27 |
0 |
| CDI |
0 |
1 |
8 |
85 |
361 |
706 |
279 |
0 |
| VCDI |
0 |
0 |
3 |
16 |
55 |
1529 |
6559 |
574 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77457 |
7717 |
131 |
128 |
18 |
0 |
0 |
0 |
| OW |
1019 |
567 |
136 |
243 |
114 |
45 |
0 |
0 |
| VODI |
3338 |
181 |
106 |
287 |
285 |
78 |
6 |
0 |
| ODI |
0 |
24 |
50 |
174 |
324 |
244 |
32 |
0 |
| CDI |
0 |
1 |
9 |
85 |
360 |
741 |
345 |
0 |
| VCDI |
0 |
0 |
1 |
13 |
41 |
1504 |
6484 |
574 |
|
Date: 2024-11-25:
| 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 |
75931 |
8476 |
142 |
129 |
4 |
0 |
0 |
0 |
| OW |
1015 |
587 |
164 |
286 |
50 |
0 |
0 |
0 |
| VODI |
3350 |
108 |
144 |
441 |
292 |
38 |
0 |
0 |
| ODI |
0 |
0 |
15 |
141 |
497 |
350 |
10 |
0 |
| CDI |
0 |
0 |
1 |
34 |
299 |
1051 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
1409 |
6187 |
1456 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75931 |
8258 |
191 |
231 |
10 |
0 |
0 |
0 |
| OW |
1019 |
655 |
134 |
345 |
159 |
20 |
2 |
0 |
| VODI |
3346 |
214 |
85 |
262 |
404 |
217 |
9 |
0 |
| ODI |
0 |
44 |
46 |
115 |
247 |
400 |
29 |
0 |
| CDI |
0 |
0 |
10 |
78 |
314 |
831 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
17 |
1380 |
6194 |
1456 |
|
Date: 2024-11-27:
| 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 |
76010 |
7510 |
182 |
128 |
9 |
0 |
0 |
0 |
| OW |
1023 |
631 |
193 |
267 |
87 |
8 |
0 |
0 |
| VODI |
3364 |
157 |
113 |
403 |
478 |
35 |
0 |
0 |
| ODI |
0 |
9 |
37 |
149 |
575 |
311 |
3 |
0 |
| CDI |
0 |
1 |
2 |
62 |
332 |
1216 |
194 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1439 |
6943 |
941 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76013 |
7096 |
197 |
197 |
59 |
2 |
0 |
0 |
| OW |
1018 |
780 |
136 |
224 |
188 |
16 |
0 |
0 |
| VODI |
3366 |
351 |
117 |
310 |
616 |
251 |
6 |
0 |
| ODI |
0 |
73 |
54 |
170 |
347 |
426 |
29 |
0 |
| CDI |
0 |
8 |
23 |
108 |
288 |
876 |
116 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
33 |
1438 |
6989 |
941 |
|
Date: 2024-11-29:
| 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 |
74728 |
7895 |
214 |
166 |
20 |
0 |
0 |
0 |
| OW |
1019 |
758 |
163 |
283 |
148 |
16 |
0 |
0 |
| VODI |
2996 |
175 |
139 |
337 |
494 |
119 |
4 |
0 |
| ODI |
385 |
14 |
29 |
152 |
325 |
427 |
40 |
0 |
| CDI |
0 |
3 |
2 |
72 |
367 |
1365 |
343 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
40 |
1296 |
7557 |
768 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74727 |
7548 |
229 |
230 |
61 |
2 |
0 |
0 |
| OW |
1017 |
830 |
136 |
256 |
197 |
27 |
0 |
0 |
| VODI |
3013 |
390 |
118 |
232 |
437 |
302 |
24 |
0 |
| ODI |
371 |
72 |
50 |
179 |
296 |
553 |
70 |
0 |
| CDI |
0 |
5 |
14 |
116 |
367 |
1062 |
383 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
1277 |
7467 |
768 |
|
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