Validation of sea ice concentration - European sector
Bulletin date: 2024-04-18
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-04-12:
| 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 |
56738 |
13033 |
58 |
63 |
20 |
0 |
0 |
0 |
| OW |
726 |
1524 |
172 |
196 |
80 |
24 |
5 |
0 |
| VODI |
1762 |
618 |
297 |
502 |
249 |
95 |
52 |
0 |
| ODI |
1854 |
147 |
120 |
440 |
544 |
286 |
129 |
0 |
| CDI |
0 |
69 |
68 |
322 |
1143 |
2072 |
1165 |
0 |
| VCDI |
0 |
0 |
1 |
30 |
140 |
948 |
9665 |
7505 |
|
...date precedes bulletin
|
Date: 2024-04-14:
| 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 |
56825 |
12551 |
53 |
61 |
48 |
0 |
0 |
0 |
| OW |
713 |
1599 |
185 |
275 |
92 |
14 |
1 |
0 |
| VODI |
1765 |
803 |
218 |
465 |
326 |
104 |
66 |
0 |
| ODI |
1849 |
330 |
131 |
392 |
591 |
458 |
63 |
0 |
| CDI |
0 |
174 |
124 |
372 |
653 |
1810 |
1260 |
8 |
| VCDI |
0 |
14 |
18 |
73 |
245 |
1418 |
8818 |
7897 |
|
...date precedes bulletin
|
Date: 2024-04-16:
| 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 |
57145 |
12974 |
56 |
50 |
9 |
2 |
0 |
0 |
| OW |
704 |
1890 |
206 |
180 |
44 |
16 |
21 |
0 |
| VODI |
1786 |
522 |
305 |
640 |
362 |
103 |
16 |
0 |
| ODI |
1823 |
70 |
99 |
388 |
831 |
407 |
37 |
0 |
| CDI |
0 |
31 |
52 |
235 |
832 |
1672 |
767 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
183 |
1458 |
8922 |
7999 |
|
...date precedes bulletin
|
Date: 2024-04-18:
| 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 |
56773 |
13289 |
43 |
65 |
6 |
0 |
0 |
0 |
| OW |
746 |
1601 |
227 |
209 |
55 |
8 |
12 |
0 |
| VODI |
1785 |
522 |
279 |
618 |
454 |
118 |
52 |
0 |
| ODI |
1824 |
118 |
84 |
355 |
602 |
490 |
64 |
0 |
| CDI |
0 |
97 |
66 |
202 |
765 |
1721 |
1161 |
0 |
| VCDI |
0 |
22 |
10 |
48 |
227 |
1526 |
9110 |
7508 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56773 |
13439 |
59 |
76 |
6 |
0 |
0 |
0 |
| OW |
745 |
1467 |
221 |
235 |
65 |
8 |
4 |
0 |
| VODI |
1786 |
506 |
263 |
571 |
414 |
102 |
51 |
0 |
| ODI |
1824 |
123 |
88 |
355 |
614 |
434 |
70 |
0 |
| CDI |
0 |
86 |
67 |
214 |
800 |
1820 |
1321 |
0 |
| VCDI |
0 |
28 |
11 |
46 |
210 |
1499 |
8953 |
7508 |
|
Date: 2024-04-20:
| 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 |
57047 |
12757 |
67 |
71 |
33 |
0 |
0 |
0 |
| OW |
744 |
1681 |
188 |
205 |
75 |
24 |
0 |
0 |
| VODI |
1785 |
662 |
254 |
539 |
397 |
236 |
15 |
0 |
| ODI |
1824 |
199 |
96 |
317 |
554 |
457 |
39 |
0 |
| CDI |
0 |
171 |
47 |
199 |
834 |
2095 |
1032 |
0 |
| VCDI |
0 |
87 |
40 |
106 |
240 |
1458 |
9799 |
6488 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57047 |
12929 |
72 |
84 |
42 |
1 |
0 |
0 |
| OW |
744 |
1523 |
208 |
220 |
75 |
21 |
0 |
0 |
| VODI |
1785 |
655 |
224 |
477 |
377 |
221 |
14 |
0 |
| ODI |
1824 |
200 |
99 |
341 |
544 |
453 |
39 |
0 |
| CDI |
0 |
158 |
53 |
207 |
858 |
2138 |
1128 |
1 |
| VCDI |
0 |
92 |
36 |
108 |
237 |
1436 |
9704 |
6487 |
|
Date: 2024-04-22:
| 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 |
57694 |
12274 |
70 |
102 |
25 |
0 |
0 |
0 |
| OW |
786 |
2177 |
215 |
206 |
58 |
3 |
0 |
0 |
| VODI |
1810 |
416 |
313 |
781 |
454 |
74 |
0 |
0 |
| ODI |
1805 |
136 |
56 |
315 |
885 |
389 |
12 |
0 |
| CDI |
0 |
247 |
60 |
178 |
923 |
2738 |
1124 |
0 |
| VCDI |
0 |
29 |
23 |
68 |
192 |
1780 |
8634 |
5810 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57750 |
11824 |
67 |
123 |
28 |
0 |
0 |
0 |
| OW |
737 |
1619 |
182 |
218 |
89 |
18 |
0 |
0 |
| VODI |
1788 |
880 |
227 |
512 |
415 |
141 |
8 |
0 |
| ODI |
1820 |
361 |
120 |
380 |
525 |
411 |
81 |
0 |
| CDI |
0 |
327 |
82 |
276 |
1148 |
2226 |
1069 |
0 |
| VCDI |
0 |
268 |
59 |
141 |
332 |
2188 |
8612 |
5810 |
|
Date: 2024-04-24:
| 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 |
57830 |
12537 |
83 |
43 |
19 |
0 |
0 |
0 |
| OW |
728 |
2107 |
200 |
207 |
58 |
21 |
0 |
0 |
| VODI |
1807 |
669 |
262 |
688 |
392 |
38 |
3 |
0 |
| ODI |
1797 |
173 |
101 |
467 |
659 |
197 |
21 |
0 |
| CDI |
0 |
351 |
101 |
441 |
1241 |
2007 |
1191 |
0 |
| VCDI |
0 |
81 |
43 |
188 |
492 |
1983 |
8489 |
5147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57843 |
11921 |
85 |
61 |
21 |
2 |
0 |
0 |
| OW |
713 |
1626 |
171 |
256 |
104 |
36 |
7 |
0 |
| VODI |
1794 |
1050 |
206 |
527 |
342 |
45 |
21 |
0 |
| ODI |
1812 |
466 |
110 |
388 |
517 |
194 |
82 |
0 |
| CDI |
0 |
584 |
142 |
552 |
1347 |
1703 |
1306 |
0 |
| VCDI |
0 |
271 |
76 |
250 |
530 |
2266 |
8288 |
5147 |
|
Date: 2024-04-26:
| 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 |
57990 |
12530 |
81 |
46 |
2 |
0 |
0 |
0 |
| OW |
764 |
1901 |
217 |
241 |
30 |
5 |
2 |
0 |
| VODI |
1818 |
697 |
219 |
680 |
324 |
86 |
11 |
0 |
| ODI |
1782 |
312 |
119 |
424 |
595 |
252 |
53 |
0 |
| CDI |
0 |
470 |
134 |
517 |
1224 |
2323 |
1536 |
0 |
| VCDI |
0 |
67 |
59 |
277 |
401 |
1838 |
8830 |
4005 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57990 |
11749 |
80 |
78 |
8 |
9 |
5 |
0 |
| OW |
759 |
1590 |
173 |
287 |
118 |
45 |
20 |
0 |
| VODI |
1805 |
1182 |
215 |
469 |
197 |
78 |
27 |
0 |
| ODI |
1800 |
499 |
125 |
479 |
525 |
220 |
127 |
0 |
| CDI |
0 |
687 |
133 |
508 |
1217 |
1881 |
1473 |
0 |
| VCDI |
0 |
270 |
103 |
364 |
511 |
2271 |
8780 |
4005 |
|
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