Validation of sea ice concentration - European sector
Bulletin date: 2024-04-11
Data source: OSI SAF N.H. AMSR 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 |
56456 |
13238 |
35 |
34 |
6 |
4 |
0 |
0 |
| OW |
733 |
1532 |
202 |
223 |
93 |
20 |
1 |
0 |
| VODI |
1747 |
613 |
272 |
553 |
317 |
73 |
14 |
0 |
| ODI |
1874 |
171 |
109 |
389 |
501 |
419 |
50 |
0 |
| CDI |
0 |
59 |
74 |
371 |
794 |
1830 |
2100 |
0 |
| VCDI |
0 |
2 |
2 |
14 |
127 |
907 |
9932 |
6971 |
|
...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 |
56367 |
13240 |
36 |
45 |
11 |
5 |
0 |
0 |
| OW |
732 |
1581 |
205 |
213 |
89 |
15 |
8 |
0 |
| VODI |
1754 |
564 |
283 |
523 |
302 |
65 |
13 |
0 |
| ODI |
1866 |
173 |
106 |
352 |
558 |
382 |
56 |
0 |
| CDI |
0 |
89 |
72 |
332 |
717 |
2246 |
2333 |
0 |
| VCDI |
0 |
21 |
10 |
39 |
171 |
1273 |
9943 |
6072 |
|
...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 |
56399 |
13783 |
56 |
58 |
18 |
3 |
1 |
0 |
| OW |
734 |
1494 |
261 |
205 |
56 |
19 |
1 |
0 |
| VODI |
1760 |
358 |
266 |
689 |
344 |
50 |
9 |
0 |
| ODI |
1859 |
32 |
57 |
316 |
570 |
494 |
58 |
0 |
| CDI |
0 |
18 |
23 |
182 |
695 |
1672 |
1470 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
84 |
953 |
10589 |
7218 |
|
...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 |
56890 |
13114 |
66 |
62 |
18 |
0 |
0 |
0 |
| OW |
733 |
1461 |
180 |
222 |
73 |
15 |
1 |
0 |
| VODI |
1762 |
532 |
248 |
539 |
326 |
54 |
22 |
0 |
| ODI |
1857 |
97 |
101 |
350 |
513 |
402 |
90 |
0 |
| CDI |
0 |
60 |
57 |
251 |
904 |
2223 |
1288 |
0 |
| VCDI |
0 |
0 |
2 |
23 |
173 |
1096 |
10127 |
6930 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56890 |
13122 |
66 |
65 |
19 |
0 |
0 |
0 |
| OW |
733 |
1430 |
173 |
221 |
76 |
15 |
2 |
0 |
| VODI |
1762 |
539 |
251 |
504 |
264 |
58 |
23 |
0 |
| ODI |
1857 |
110 |
106 |
385 |
577 |
361 |
88 |
0 |
| CDI |
0 |
63 |
56 |
251 |
916 |
2264 |
1373 |
0 |
| VCDI |
0 |
0 |
2 |
21 |
155 |
1092 |
10042 |
6930 |
|
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 |
56474 |
13043 |
76 |
69 |
16 |
11 |
0 |
0 |
| OW |
718 |
1549 |
148 |
244 |
80 |
29 |
1 |
0 |
| VODI |
1761 |
666 |
242 |
516 |
316 |
102 |
40 |
0 |
| ODI |
1853 |
221 |
139 |
416 |
693 |
341 |
71 |
0 |
| CDI |
0 |
121 |
92 |
354 |
904 |
1915 |
1150 |
0 |
| VCDI |
0 |
0 |
12 |
53 |
148 |
986 |
9602 |
7690 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56474 |
13106 |
74 |
82 |
10 |
6 |
0 |
0 |
| OW |
718 |
1447 |
144 |
242 |
83 |
33 |
1 |
0 |
| VODI |
1761 |
680 |
239 |
470 |
277 |
100 |
39 |
0 |
| ODI |
1853 |
233 |
147 |
440 |
695 |
288 |
75 |
0 |
| CDI |
0 |
134 |
92 |
374 |
969 |
2035 |
1238 |
0 |
| VCDI |
0 |
0 |
13 |
44 |
123 |
922 |
9511 |
7690 |
|
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 |
57066 |
12955 |
69 |
109 |
14 |
0 |
0 |
0 |
| OW |
708 |
1969 |
196 |
201 |
49 |
3 |
2 |
0 |
| VODI |
1785 |
472 |
308 |
636 |
399 |
82 |
19 |
0 |
| ODI |
1824 |
93 |
95 |
367 |
835 |
536 |
27 |
0 |
| CDI |
0 |
71 |
46 |
238 |
700 |
2097 |
615 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
182 |
1427 |
8274 |
8378 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57066 |
12278 |
66 |
111 |
16 |
0 |
0 |
0 |
| OW |
704 |
1712 |
144 |
185 |
89 |
11 |
1 |
0 |
| VODI |
1768 |
994 |
207 |
367 |
274 |
110 |
42 |
0 |
| ODI |
1845 |
337 |
148 |
412 |
586 |
385 |
46 |
0 |
| CDI |
0 |
222 |
134 |
400 |
888 |
1827 |
964 |
1 |
| VCDI |
0 |
17 |
15 |
91 |
326 |
1812 |
7884 |
8377 |
|
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 |
56981 |
13092 |
60 |
46 |
3 |
1 |
0 |
0 |
| OW |
701 |
1751 |
187 |
219 |
31 |
19 |
6 |
0 |
| VODI |
1785 |
572 |
303 |
622 |
417 |
113 |
26 |
0 |
| ODI |
1824 |
116 |
86 |
358 |
738 |
369 |
49 |
0 |
| CDI |
0 |
72 |
59 |
262 |
834 |
1730 |
1018 |
0 |
| VCDI |
0 |
1 |
5 |
35 |
191 |
1493 |
8669 |
8018 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56981 |
12336 |
73 |
52 |
7 |
0 |
0 |
0 |
| OW |
697 |
1714 |
112 |
182 |
67 |
33 |
5 |
0 |
| VODI |
1773 |
943 |
240 |
450 |
315 |
127 |
31 |
0 |
| ODI |
1840 |
400 |
124 |
363 |
611 |
267 |
71 |
0 |
| CDI |
0 |
196 |
137 |
434 |
916 |
1558 |
1352 |
0 |
| VCDI |
0 |
15 |
14 |
61 |
298 |
1740 |
8309 |
8018 |
|
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 |
57109 |
12935 |
44 |
56 |
17 |
1 |
0 |
0 |
| OW |
747 |
1628 |
203 |
195 |
54 |
13 |
10 |
0 |
| VODI |
1785 |
538 |
279 |
557 |
406 |
117 |
51 |
0 |
| ODI |
1824 |
140 |
86 |
328 |
599 |
482 |
80 |
0 |
| CDI |
0 |
123 |
65 |
207 |
765 |
1794 |
1396 |
0 |
| VCDI |
0 |
26 |
16 |
69 |
199 |
1313 |
9639 |
6966 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57109 |
12167 |
51 |
78 |
15 |
1 |
0 |
0 |
| OW |
744 |
1653 |
91 |
135 |
79 |
22 |
18 |
0 |
| VODI |
1776 |
962 |
262 |
436 |
349 |
152 |
59 |
0 |
| ODI |
1836 |
331 |
161 |
364 |
468 |
460 |
100 |
0 |
| CDI |
0 |
253 |
114 |
360 |
939 |
1712 |
1853 |
0 |
| VCDI |
0 |
24 |
14 |
39 |
190 |
1373 |
9146 |
6966 |
|
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