Validation of sea ice concentration - European sector
Bulletin date: 2024-03-07
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-03-01:
| 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 |
58333 |
13182 |
150 |
123 |
32 |
2 |
0 |
0 |
| OW |
635 |
1563 |
178 |
280 |
108 |
57 |
0 |
0 |
| VODI |
1784 |
657 |
213 |
403 |
225 |
123 |
30 |
0 |
| ODI |
1826 |
210 |
124 |
454 |
551 |
262 |
46 |
0 |
| CDI |
0 |
155 |
91 |
369 |
1043 |
1302 |
583 |
0 |
| VCDI |
0 |
77 |
44 |
137 |
524 |
3380 |
9307 |
4299 |
|
...date precedes bulletin
|
Date: 2024-03-03:
| 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 |
57361 |
13873 |
147 |
143 |
25 |
2 |
0 |
0 |
| OW |
612 |
1310 |
225 |
396 |
98 |
49 |
28 |
0 |
| VODI |
1776 |
478 |
169 |
517 |
261 |
82 |
48 |
0 |
| ODI |
1836 |
205 |
88 |
447 |
557 |
215 |
51 |
0 |
| CDI |
0 |
213 |
78 |
410 |
1020 |
1726 |
806 |
0 |
| VCDI |
0 |
96 |
39 |
137 |
498 |
3019 |
9698 |
4123 |
|
...date precedes bulletin
|
Date: 2024-03-05:
| 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 |
57152 |
14276 |
134 |
126 |
26 |
5 |
0 |
0 |
| OW |
655 |
1368 |
273 |
304 |
40 |
18 |
16 |
0 |
| VODI |
1798 |
361 |
198 |
623 |
361 |
50 |
6 |
0 |
| ODI |
1819 |
137 |
94 |
379 |
681 |
325 |
54 |
0 |
| CDI |
0 |
71 |
54 |
327 |
986 |
2476 |
839 |
0 |
| VCDI |
0 |
0 |
2 |
21 |
425 |
3420 |
8078 |
4884 |
|
...date precedes bulletin
|
Date: 2024-03-07:
| 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 |
57283 |
13882 |
381 |
49 |
31 |
1 |
0 |
0 |
| OW |
666 |
1401 |
271 |
286 |
52 |
14 |
4 |
0 |
| VODI |
1787 |
463 |
233 |
559 |
288 |
71 |
11 |
0 |
| ODI |
1821 |
145 |
83 |
413 |
605 |
304 |
26 |
0 |
| CDI |
0 |
102 |
60 |
313 |
912 |
2635 |
1080 |
1 |
| VCDI |
0 |
0 |
6 |
33 |
386 |
2523 |
9293 |
4388 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57292 |
13883 |
391 |
49 |
31 |
1 |
0 |
0 |
| OW |
657 |
1385 |
267 |
268 |
46 |
12 |
4 |
0 |
| VODI |
1787 |
473 |
218 |
594 |
301 |
73 |
13 |
0 |
| ODI |
1821 |
152 |
89 |
381 |
607 |
298 |
24 |
0 |
| CDI |
0 |
100 |
65 |
336 |
907 |
2664 |
1152 |
2 |
| VCDI |
0 |
0 |
4 |
25 |
382 |
2500 |
9221 |
4387 |
|
Date: 2024-03-09:
| 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 |
57435 |
13470 |
111 |
73 |
26 |
16 |
2 |
0 |
| OW |
628 |
1365 |
246 |
319 |
84 |
31 |
14 |
0 |
| VODI |
1776 |
528 |
227 |
500 |
406 |
91 |
24 |
0 |
| ODI |
1836 |
169 |
129 |
434 |
509 |
378 |
80 |
0 |
| CDI |
0 |
93 |
44 |
276 |
800 |
2665 |
1797 |
0 |
| VCDI |
0 |
12 |
13 |
50 |
262 |
2443 |
8616 |
4884 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57435 |
13472 |
128 |
71 |
25 |
16 |
1 |
0 |
| OW |
628 |
1338 |
240 |
303 |
72 |
31 |
14 |
0 |
| VODI |
1776 |
557 |
219 |
516 |
421 |
91 |
28 |
0 |
| ODI |
1836 |
172 |
119 |
422 |
509 |
347 |
69 |
0 |
| CDI |
0 |
90 |
56 |
303 |
810 |
2792 |
1909 |
0 |
| VCDI |
0 |
8 |
8 |
37 |
250 |
2347 |
8512 |
4884 |
|
Date: 2024-03-11:
| 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 |
57508 |
13513 |
65 |
47 |
22 |
2 |
0 |
0 |
| OW |
681 |
1478 |
256 |
259 |
36 |
7 |
0 |
0 |
| VODI |
1766 |
331 |
290 |
842 |
395 |
59 |
6 |
0 |
| ODI |
1849 |
39 |
65 |
356 |
915 |
444 |
25 |
0 |
| CDI |
0 |
1 |
9 |
99 |
614 |
3269 |
820 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
49 |
1975 |
10809 |
3961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57581 |
12982 |
67 |
43 |
37 |
9 |
2 |
0 |
| OW |
609 |
1481 |
218 |
317 |
56 |
6 |
8 |
0 |
| VODI |
1763 |
601 |
223 |
597 |
476 |
123 |
18 |
0 |
| ODI |
1851 |
227 |
121 |
351 |
515 |
513 |
81 |
0 |
| CDI |
0 |
71 |
56 |
288 |
819 |
3010 |
1834 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
128 |
2095 |
9717 |
3961 |
|
Date: 2024-03-13:
| 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 |
56946 |
13527 |
432 |
61 |
25 |
0 |
0 |
0 |
| OW |
721 |
1438 |
261 |
347 |
80 |
7 |
0 |
0 |
| VODI |
1760 |
324 |
224 |
678 |
452 |
90 |
4 |
0 |
| ODI |
1860 |
41 |
63 |
287 |
735 |
416 |
28 |
0 |
| CDI |
0 |
17 |
15 |
142 |
710 |
2389 |
1104 |
0 |
| VCDI |
0 |
4 |
7 |
36 |
263 |
2244 |
10328 |
4796 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57025 |
12947 |
368 |
84 |
52 |
9 |
3 |
0 |
| OW |
642 |
1388 |
257 |
348 |
103 |
12 |
6 |
0 |
| VODI |
1760 |
660 |
193 |
406 |
455 |
177 |
23 |
0 |
| ODI |
1860 |
290 |
120 |
397 |
501 |
470 |
59 |
0 |
| CDI |
0 |
66 |
64 |
270 |
859 |
2577 |
1752 |
0 |
| VCDI |
0 |
0 |
0 |
46 |
295 |
1901 |
9621 |
4796 |
|
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 |
56468 |
13961 |
159 |
147 |
24 |
1 |
0 |
0 |
| OW |
701 |
1401 |
247 |
384 |
154 |
16 |
0 |
0 |
| VODI |
1747 |
475 |
191 |
499 |
374 |
106 |
11 |
0 |
| ODI |
1874 |
52 |
75 |
374 |
548 |
287 |
26 |
0 |
| CDI |
0 |
24 |
28 |
187 |
694 |
2157 |
1416 |
0 |
| VCDI |
0 |
10 |
10 |
61 |
275 |
2409 |
10153 |
5136 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56519 |
13415 |
131 |
119 |
42 |
6 |
0 |
0 |
| OW |
650 |
1448 |
222 |
367 |
119 |
19 |
2 |
0 |
| VODI |
1746 |
691 |
154 |
420 |
393 |
146 |
32 |
0 |
| ODI |
1875 |
293 |
137 |
357 |
515 |
380 |
137 |
0 |
| CDI |
0 |
60 |
54 |
326 |
725 |
2312 |
1747 |
0 |
| VCDI |
0 |
16 |
12 |
63 |
275 |
2113 |
9688 |
5136 |
|
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