Validation of sea ice concentration - European sector
Bulletin date: 2024-03-21
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-15:
| 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 |
57475 |
13937 |
302 |
315 |
10 |
0 |
0 |
0 |
| OW |
54 |
1076 |
265 |
721 |
109 |
0 |
0 |
0 |
| VODI |
0 |
228 |
216 |
789 |
500 |
28 |
0 |
0 |
| ODI |
0 |
12 |
21 |
457 |
788 |
141 |
5 |
0 |
| CDI |
0 |
1 |
7 |
174 |
1084 |
2349 |
988 |
1 |
| VCDI |
0 |
0 |
0 |
51 |
405 |
2640 |
8940 |
6327 |
|
...date precedes bulletin
|
Date: 2024-03-17:
| 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 |
56647 |
14074 |
362 |
482 |
35 |
0 |
0 |
0 |
| OW |
28 |
1169 |
254 |
624 |
208 |
7 |
0 |
0 |
| VODI |
0 |
218 |
221 |
778 |
467 |
55 |
0 |
0 |
| ODI |
0 |
13 |
48 |
431 |
798 |
279 |
4 |
0 |
| CDI |
0 |
0 |
9 |
310 |
1094 |
2351 |
787 |
117 |
| VCDI |
0 |
0 |
0 |
34 |
510 |
2543 |
9176 |
6283 |
|
...date precedes bulletin
|
Date: 2024-03-19:
| 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 |
57088 |
14193 |
291 |
367 |
38 |
0 |
0 |
0 |
| OW |
43 |
869 |
418 |
685 |
141 |
9 |
0 |
0 |
| VODI |
0 |
85 |
154 |
922 |
381 |
43 |
0 |
0 |
| ODI |
0 |
11 |
10 |
449 |
814 |
194 |
1 |
0 |
| CDI |
0 |
0 |
3 |
214 |
819 |
1969 |
630 |
16 |
| VCDI |
0 |
0 |
0 |
83 |
750 |
1898 |
8918 |
7910 |
|
...date precedes bulletin
|
Date: 2024-03-21:
| 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 |
57188 |
14107 |
237 |
266 |
28 |
0 |
0 |
0 |
| OW |
28 |
957 |
327 |
678 |
141 |
1 |
0 |
0 |
| VODI |
0 |
184 |
150 |
806 |
410 |
54 |
0 |
0 |
| ODI |
0 |
27 |
61 |
417 |
717 |
277 |
3 |
0 |
| CDI |
0 |
3 |
20 |
296 |
848 |
1655 |
946 |
0 |
| VCDI |
0 |
0 |
0 |
165 |
653 |
2029 |
9159 |
7578 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57198 |
14061 |
243 |
260 |
33 |
0 |
0 |
0 |
| OW |
18 |
1005 |
306 |
645 |
139 |
1 |
0 |
0 |
| VODI |
0 |
181 |
168 |
833 |
389 |
54 |
0 |
0 |
| ODI |
0 |
29 |
60 |
431 |
707 |
279 |
3 |
0 |
| CDI |
0 |
2 |
18 |
303 |
859 |
1701 |
1056 |
1 |
| VCDI |
0 |
0 |
0 |
156 |
670 |
1981 |
9049 |
7577 |
|
Date: 2024-03-23:
| 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 |
57464 |
13564 |
222 |
173 |
20 |
0 |
0 |
0 |
| OW |
19 |
985 |
291 |
694 |
106 |
2 |
0 |
0 |
| VODI |
0 |
364 |
196 |
722 |
429 |
46 |
6 |
0 |
| ODI |
0 |
115 |
66 |
445 |
678 |
319 |
44 |
0 |
| CDI |
0 |
55 |
98 |
394 |
807 |
1197 |
1205 |
0 |
| VCDI |
0 |
3 |
8 |
203 |
630 |
2240 |
9239 |
7367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57465 |
13517 |
246 |
186 |
19 |
0 |
0 |
0 |
| OW |
18 |
1005 |
272 |
659 |
123 |
2 |
3 |
0 |
| VODI |
0 |
374 |
180 |
727 |
397 |
58 |
6 |
0 |
| ODI |
0 |
128 |
87 |
466 |
664 |
325 |
42 |
0 |
| CDI |
0 |
62 |
91 |
404 |
834 |
1226 |
1299 |
0 |
| VCDI |
0 |
0 |
5 |
189 |
633 |
2193 |
9144 |
7367 |
|
Date: 2024-03-25:
| 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 |
57314 |
13912 |
274 |
217 |
27 |
0 |
0 |
0 |
| OW |
55 |
782 |
427 |
628 |
61 |
0 |
0 |
0 |
| VODI |
9 |
53 |
92 |
1166 |
418 |
16 |
0 |
0 |
| ODI |
0 |
4 |
22 |
373 |
921 |
169 |
0 |
0 |
| CDI |
0 |
0 |
7 |
212 |
1133 |
1923 |
214 |
2 |
| VCDI |
0 |
0 |
0 |
10 |
303 |
2247 |
10415 |
7010 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57363 |
13335 |
276 |
322 |
42 |
1 |
0 |
0 |
| OW |
15 |
981 |
251 |
570 |
220 |
8 |
0 |
0 |
| VODI |
0 |
309 |
160 |
635 |
431 |
108 |
4 |
0 |
| ODI |
0 |
91 |
73 |
490 |
588 |
418 |
36 |
0 |
| CDI |
0 |
35 |
57 |
500 |
1020 |
1445 |
1157 |
3 |
| VCDI |
0 |
0 |
5 |
89 |
562 |
2375 |
9432 |
7009 |
|
Date: 2024-03-27:
| 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 |
57180 |
13872 |
215 |
169 |
24 |
1 |
0 |
0 |
| OW |
33 |
730 |
393 |
676 |
83 |
16 |
0 |
0 |
| VODI |
0 |
105 |
125 |
912 |
429 |
29 |
1 |
0 |
| ODI |
0 |
13 |
26 |
355 |
745 |
270 |
4 |
0 |
| CDI |
0 |
1 |
14 |
279 |
1216 |
1943 |
1142 |
0 |
| VCDI |
0 |
0 |
0 |
39 |
379 |
1527 |
9603 |
7867 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57213 |
13414 |
266 |
353 |
33 |
5 |
0 |
0 |
| OW |
0 |
876 |
229 |
600 |
205 |
19 |
0 |
0 |
| VODI |
0 |
315 |
159 |
556 |
473 |
109 |
16 |
0 |
| ODI |
0 |
83 |
72 |
446 |
510 |
446 |
49 |
0 |
| CDI |
0 |
33 |
44 |
401 |
1144 |
1229 |
1685 |
0 |
| VCDI |
0 |
0 |
3 |
74 |
511 |
1978 |
9000 |
7867 |
|
Date: 2024-03-29:
| 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 |
56942 |
13939 |
243 |
183 |
46 |
0 |
0 |
0 |
| OW |
1 |
790 |
355 |
677 |
86 |
4 |
0 |
0 |
| VODI |
0 |
180 |
153 |
803 |
513 |
14 |
0 |
0 |
| ODI |
0 |
23 |
39 |
452 |
758 |
271 |
13 |
0 |
| CDI |
0 |
1 |
13 |
308 |
1320 |
1708 |
1097 |
1 |
| VCDI |
0 |
0 |
0 |
20 |
426 |
1809 |
10014 |
7214 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56943 |
13401 |
318 |
391 |
28 |
5 |
0 |
0 |
| OW |
0 |
919 |
196 |
570 |
231 |
11 |
0 |
0 |
| VODI |
0 |
456 |
155 |
499 |
447 |
89 |
0 |
0 |
| ODI |
0 |
130 |
80 |
456 |
529 |
390 |
44 |
0 |
| CDI |
0 |
27 |
54 |
498 |
1543 |
1416 |
1632 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
371 |
1895 |
9448 |
7215 |
|
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