Validation of sea ice concentration - European sector
Bulletin date: 2024-05-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-05-03:
| 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 |
58830 |
12642 |
93 |
85 |
10 |
0 |
0 |
0 |
| OW |
814 |
2057 |
273 |
304 |
54 |
15 |
0 |
0 |
| VODI |
1890 |
642 |
325 |
637 |
340 |
68 |
4 |
0 |
| ODI |
1691 |
144 |
117 |
558 |
725 |
288 |
56 |
0 |
| CDI |
0 |
78 |
51 |
367 |
1676 |
3461 |
2057 |
1 |
| VCDI |
0 |
38 |
17 |
66 |
159 |
1223 |
6632 |
4374 |
|
...date precedes bulletin
|
Date: 2024-05-05:
| 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 |
60046 |
11725 |
60 |
59 |
14 |
0 |
0 |
0 |
| OW |
861 |
2180 |
214 |
189 |
62 |
8 |
0 |
0 |
| VODI |
1898 |
768 |
289 |
534 |
310 |
80 |
29 |
0 |
| ODI |
1677 |
181 |
130 |
446 |
670 |
205 |
78 |
0 |
| CDI |
0 |
64 |
56 |
301 |
1368 |
3364 |
2071 |
0 |
| VCDI |
0 |
31 |
20 |
52 |
211 |
1465 |
6245 |
4901 |
|
...date precedes bulletin
|
Date: 2024-05-07:
| 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 |
60260 |
12540 |
77 |
49 |
0 |
0 |
0 |
0 |
| OW |
777 |
1926 |
238 |
227 |
32 |
1 |
0 |
0 |
| VODI |
1812 |
384 |
332 |
708 |
348 |
98 |
26 |
0 |
| ODI |
1879 |
31 |
60 |
416 |
741 |
362 |
51 |
0 |
| CDI |
0 |
49 |
21 |
174 |
1206 |
3240 |
1697 |
0 |
| VCDI |
0 |
2 |
7 |
63 |
154 |
1315 |
7301 |
4258 |
|
...date precedes bulletin
|
Date: 2024-05-09:
| 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 |
60351 |
12508 |
90 |
57 |
6 |
0 |
0 |
0 |
| OW |
776 |
1875 |
243 |
209 |
59 |
4 |
0 |
0 |
| VODI |
1823 |
476 |
287 |
650 |
326 |
97 |
5 |
0 |
| ODI |
1862 |
63 |
85 |
450 |
711 |
335 |
65 |
0 |
| CDI |
0 |
80 |
31 |
241 |
1420 |
3036 |
1641 |
0 |
| VCDI |
0 |
23 |
18 |
82 |
281 |
1528 |
8687 |
2381 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60351 |
12395 |
91 |
59 |
7 |
0 |
0 |
0 |
| OW |
776 |
2005 |
249 |
205 |
63 |
4 |
0 |
0 |
| VODI |
1823 |
464 |
283 |
630 |
320 |
89 |
5 |
0 |
| ODI |
1862 |
62 |
85 |
497 |
720 |
344 |
73 |
0 |
| CDI |
0 |
76 |
27 |
216 |
1392 |
3056 |
1709 |
0 |
| VCDI |
0 |
23 |
19 |
82 |
301 |
1507 |
8611 |
2381 |
|
Date: 2024-05-11:
| 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 |
60881 |
12043 |
64 |
52 |
9 |
3 |
0 |
0 |
| OW |
775 |
1982 |
144 |
187 |
71 |
13 |
1 |
0 |
| VODI |
1837 |
697 |
271 |
569 |
266 |
62 |
45 |
0 |
| ODI |
1848 |
148 |
137 |
507 |
640 |
317 |
157 |
0 |
| CDI |
0 |
113 |
59 |
320 |
1407 |
2475 |
1513 |
0 |
| VCDI |
0 |
87 |
27 |
116 |
317 |
1860 |
7388 |
3454 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60881 |
12028 |
67 |
54 |
9 |
5 |
0 |
0 |
| OW |
775 |
2037 |
138 |
201 |
78 |
10 |
0 |
0 |
| VODI |
1837 |
676 |
296 |
529 |
256 |
62 |
52 |
0 |
| ODI |
1848 |
138 |
121 |
535 |
649 |
312 |
156 |
0 |
| CDI |
0 |
93 |
49 |
313 |
1398 |
2502 |
1572 |
0 |
| VCDI |
0 |
98 |
31 |
119 |
320 |
1839 |
7324 |
3454 |
|
Date: 2024-05-13:
| 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 |
60700 |
12817 |
66 |
66 |
4 |
0 |
0 |
0 |
| OW |
787 |
1938 |
281 |
222 |
36 |
12 |
1 |
0 |
| VODI |
1888 |
422 |
330 |
987 |
380 |
97 |
21 |
0 |
| ODI |
1782 |
93 |
59 |
415 |
1064 |
448 |
50 |
0 |
| CDI |
0 |
63 |
41 |
250 |
1261 |
3203 |
1312 |
0 |
| VCDI |
0 |
3 |
12 |
42 |
87 |
1176 |
8306 |
2140 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60699 |
12133 |
54 |
71 |
7 |
0 |
0 |
0 |
| OW |
774 |
1866 |
179 |
196 |
59 |
31 |
18 |
0 |
| VODI |
1855 |
807 |
253 |
516 |
274 |
145 |
33 |
0 |
| ODI |
1829 |
298 |
163 |
570 |
668 |
315 |
135 |
0 |
| CDI |
0 |
174 |
112 |
519 |
1580 |
2476 |
1569 |
0 |
| VCDI |
0 |
58 |
28 |
110 |
244 |
1969 |
7935 |
2140 |
|
Date: 2024-05-15:
| 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 |
60947 |
12524 |
59 |
81 |
3 |
0 |
0 |
0 |
| OW |
791 |
1999 |
235 |
189 |
66 |
21 |
0 |
0 |
| VODI |
1902 |
543 |
354 |
962 |
411 |
79 |
22 |
0 |
| ODI |
1765 |
106 |
89 |
392 |
986 |
345 |
51 |
0 |
| CDI |
0 |
91 |
52 |
330 |
1392 |
3247 |
1372 |
0 |
| VCDI |
0 |
4 |
10 |
44 |
111 |
1232 |
7826 |
2229 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60922 |
11680 |
86 |
86 |
8 |
0 |
0 |
0 |
| OW |
804 |
1716 |
168 |
242 |
64 |
22 |
13 |
0 |
| VODI |
1868 |
964 |
231 |
581 |
314 |
98 |
40 |
0 |
| ODI |
1811 |
481 |
139 |
475 |
818 |
421 |
151 |
0 |
| CDI |
0 |
354 |
148 |
519 |
1541 |
2607 |
1282 |
0 |
| VCDI |
0 |
72 |
27 |
95 |
224 |
1776 |
7785 |
2229 |
|
Date: 2024-05-17:
| 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 |
61845 |
11892 |
60 |
38 |
2 |
0 |
0 |
0 |
| OW |
795 |
2005 |
242 |
165 |
51 |
20 |
1 |
0 |
| VODI |
1917 |
654 |
336 |
921 |
322 |
68 |
36 |
0 |
| ODI |
1746 |
148 |
99 |
423 |
703 |
315 |
96 |
0 |
| CDI |
0 |
39 |
59 |
361 |
1353 |
2907 |
1461 |
14 |
| VCDI |
0 |
11 |
9 |
57 |
136 |
1495 |
8214 |
1846 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61746 |
11025 |
120 |
52 |
9 |
2 |
1 |
0 |
| OW |
857 |
1663 |
185 |
265 |
53 |
16 |
6 |
0 |
| VODI |
1907 |
1153 |
202 |
530 |
260 |
80 |
88 |
0 |
| ODI |
1793 |
577 |
124 |
511 |
695 |
597 |
445 |
0 |
| CDI |
0 |
311 |
151 |
504 |
1190 |
1944 |
1244 |
0 |
| VCDI |
0 |
20 |
23 |
103 |
360 |
2166 |
8024 |
1860 |
|
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