Validation of sea ice concentration - European sector
Bulletin date: 2024-04-11
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-05:
| 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 |
57156 |
13674 |
124 |
70 |
10 |
0 |
0 |
0 |
| OW |
0 |
1012 |
376 |
557 |
92 |
0 |
0 |
0 |
| VODI |
0 |
243 |
215 |
1028 |
353 |
38 |
0 |
0 |
| ODI |
0 |
24 |
67 |
543 |
857 |
219 |
8 |
0 |
| CDI |
0 |
1 |
12 |
373 |
1434 |
2071 |
1565 |
16 |
| VCDI |
0 |
0 |
0 |
3 |
148 |
1264 |
8454 |
8409 |
|
...date precedes bulletin
|
Date: 2024-04-07:
| 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 |
57098 |
13607 |
138 |
111 |
14 |
0 |
0 |
0 |
| OW |
0 |
1107 |
350 |
532 |
82 |
8 |
0 |
0 |
| VODI |
0 |
244 |
218 |
974 |
310 |
36 |
0 |
0 |
| ODI |
0 |
15 |
71 |
535 |
849 |
226 |
5 |
0 |
| CDI |
0 |
2 |
19 |
359 |
1306 |
2756 |
1591 |
0 |
| VCDI |
0 |
0 |
0 |
46 |
231 |
1669 |
8514 |
7393 |
|
...date precedes bulletin
|
Date: 2024-04-09:
| 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 |
57081 |
14127 |
209 |
147 |
24 |
0 |
0 |
0 |
| OW |
3 |
873 |
473 |
606 |
48 |
0 |
0 |
0 |
| VODI |
0 |
35 |
111 |
1211 |
378 |
7 |
0 |
0 |
| ODI |
0 |
0 |
10 |
343 |
1023 |
262 |
0 |
0 |
| CDI |
0 |
0 |
0 |
142 |
1255 |
2074 |
786 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
119 |
1321 |
9960 |
7787 |
|
...date precedes bulletin
|
Date: 2024-04-11:
| 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 |
57439 |
13620 |
211 |
136 |
12 |
0 |
0 |
0 |
| OW |
0 |
907 |
402 |
550 |
72 |
0 |
0 |
0 |
| VODI |
0 |
113 |
159 |
1124 |
370 |
19 |
0 |
0 |
| ODI |
0 |
13 |
19 |
513 |
892 |
211 |
7 |
0 |
| CDI |
0 |
5 |
19 |
259 |
1646 |
2406 |
646 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
239 |
1521 |
8503 |
8375 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57439 |
13610 |
227 |
144 |
9 |
0 |
0 |
0 |
| OW |
0 |
904 |
375 |
541 |
78 |
0 |
0 |
0 |
| VODI |
0 |
110 |
165 |
1078 |
322 |
26 |
0 |
0 |
| ODI |
0 |
29 |
17 |
563 |
918 |
193 |
8 |
0 |
| CDI |
0 |
5 |
26 |
257 |
1682 |
2445 |
714 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
222 |
1493 |
8434 |
8375 |
|
Date: 2024-04-13:
| 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 |
57347 |
13322 |
142 |
122 |
22 |
0 |
0 |
0 |
| OW |
0 |
1163 |
265 |
489 |
81 |
0 |
0 |
0 |
| VODI |
0 |
278 |
291 |
1026 |
333 |
26 |
0 |
0 |
| ODI |
0 |
65 |
79 |
742 |
1024 |
123 |
10 |
0 |
| CDI |
0 |
35 |
32 |
461 |
1445 |
2056 |
660 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
294 |
1430 |
9124 |
7892 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57347 |
13365 |
147 |
145 |
10 |
0 |
0 |
0 |
| OW |
0 |
1080 |
257 |
467 |
96 |
0 |
0 |
0 |
| VODI |
0 |
300 |
291 |
962 |
298 |
35 |
0 |
0 |
| ODI |
0 |
78 |
73 |
798 |
945 |
131 |
10 |
0 |
| CDI |
0 |
40 |
41 |
474 |
1593 |
2137 |
705 |
1 |
| VCDI |
0 |
0 |
0 |
31 |
257 |
1332 |
9079 |
7891 |
|
Date: 2024-04-15:
| 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 |
57996 |
13265 |
49 |
135 |
23 |
0 |
0 |
0 |
| OW |
0 |
1448 |
561 |
322 |
36 |
5 |
0 |
0 |
| VODI |
0 |
50 |
177 |
1419 |
386 |
8 |
0 |
0 |
| ODI |
0 |
18 |
21 |
473 |
1474 |
102 |
4 |
0 |
| CDI |
0 |
4 |
15 |
249 |
1258 |
2199 |
162 |
0 |
| VCDI |
0 |
1 |
0 |
6 |
158 |
2041 |
7562 |
8789 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57996 |
12588 |
56 |
126 |
20 |
0 |
0 |
0 |
| OW |
0 |
1509 |
228 |
270 |
89 |
4 |
0 |
0 |
| VODI |
0 |
537 |
355 |
813 |
350 |
40 |
4 |
0 |
| ODI |
0 |
92 |
127 |
708 |
953 |
140 |
18 |
0 |
| CDI |
0 |
59 |
55 |
607 |
1478 |
1778 |
622 |
0 |
| VCDI |
0 |
1 |
2 |
80 |
445 |
2393 |
7084 |
8789 |
|
Date: 2024-04-17:
| 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 |
57801 |
13436 |
110 |
87 |
3 |
0 |
0 |
0 |
| OW |
0 |
1240 |
375 |
484 |
43 |
19 |
0 |
0 |
| VODI |
0 |
149 |
251 |
1183 |
555 |
29 |
0 |
0 |
| ODI |
0 |
28 |
44 |
464 |
1201 |
109 |
8 |
0 |
| CDI |
0 |
18 |
33 |
301 |
1267 |
1950 |
507 |
0 |
| VCDI |
0 |
0 |
0 |
27 |
256 |
2211 |
7550 |
8677 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57801 |
12712 |
76 |
109 |
11 |
0 |
0 |
0 |
| OW |
0 |
1383 |
242 |
328 |
75 |
18 |
0 |
0 |
| VODI |
0 |
560 |
272 |
874 |
428 |
68 |
5 |
0 |
| ODI |
0 |
150 |
149 |
607 |
926 |
128 |
18 |
0 |
| CDI |
0 |
64 |
68 |
569 |
1501 |
1676 |
844 |
0 |
| VCDI |
0 |
2 |
6 |
59 |
384 |
2428 |
7198 |
8677 |
|
Date: 2024-04-19:
| 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 |
58012 |
13217 |
87 |
80 |
64 |
0 |
0 |
0 |
| OW |
0 |
1159 |
367 |
474 |
69 |
4 |
0 |
0 |
| VODI |
0 |
200 |
229 |
1095 |
469 |
27 |
0 |
0 |
| ODI |
0 |
32 |
71 |
483 |
1017 |
235 |
2 |
0 |
| CDI |
0 |
26 |
45 |
306 |
1243 |
2081 |
793 |
0 |
| VCDI |
0 |
0 |
1 |
81 |
405 |
1877 |
8678 |
7487 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58012 |
12440 |
69 |
123 |
46 |
0 |
0 |
0 |
| OW |
0 |
1378 |
224 |
259 |
122 |
3 |
0 |
0 |
| VODI |
0 |
597 |
273 |
901 |
465 |
74 |
1 |
0 |
| ODI |
0 |
154 |
134 |
624 |
726 |
321 |
17 |
0 |
| CDI |
0 |
65 |
98 |
557 |
1594 |
1918 |
1185 |
1 |
| VCDI |
0 |
0 |
2 |
55 |
314 |
1908 |
8270 |
7486 |
|
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