Validation of sea ice concentration - European sector
Bulletin date: 2024-08-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-23:
| 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 |
88831 |
2510 |
55 |
55 |
0 |
0 |
0 |
0 |
| OW |
2701 |
500 |
167 |
181 |
15 |
0 |
0 |
0 |
| VODI |
1060 |
88 |
92 |
542 |
173 |
13 |
0 |
0 |
| ODI |
0 |
0 |
8 |
110 |
1387 |
284 |
15 |
0 |
| CDI |
0 |
0 |
0 |
3 |
369 |
2782 |
226 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
49 |
646 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-25:
| 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 |
88912 |
2584 |
46 |
19 |
0 |
0 |
0 |
0 |
| OW |
2747 |
486 |
189 |
165 |
10 |
0 |
0 |
0 |
| VODI |
1015 |
96 |
125 |
468 |
182 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
65 |
832 |
562 |
10 |
0 |
| CDI |
0 |
0 |
0 |
0 |
261 |
2530 |
761 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
181 |
601 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-27:
| 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 |
86946 |
4668 |
108 |
68 |
0 |
0 |
0 |
0 |
| OW |
2835 |
481 |
132 |
73 |
5 |
0 |
0 |
0 |
| VODI |
920 |
84 |
196 |
449 |
108 |
6 |
0 |
0 |
| ODI |
0 |
0 |
3 |
135 |
934 |
165 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
544 |
2848 |
452 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
32 |
669 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-29:
| 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 |
88987 |
2511 |
35 |
12 |
0 |
0 |
0 |
0 |
| OW |
2884 |
516 |
142 |
90 |
4 |
0 |
0 |
0 |
| VODI |
881 |
152 |
138 |
387 |
195 |
3 |
0 |
0 |
| ODI |
0 |
1 |
2 |
105 |
905 |
358 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
329 |
3284 |
131 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
50 |
760 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88982 |
2594 |
39 |
17 |
0 |
0 |
0 |
0 |
| OW |
2888 |
442 |
138 |
100 |
6 |
0 |
0 |
0 |
| VODI |
882 |
143 |
138 |
371 |
210 |
3 |
0 |
0 |
| ODI |
0 |
1 |
2 |
106 |
877 |
323 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
340 |
3328 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
41 |
756 |
0 |
|
Date: 2024-08-31:
| 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 |
88086 |
3325 |
23 |
38 |
3 |
0 |
0 |
0 |
| OW |
2934 |
629 |
119 |
94 |
0 |
0 |
0 |
0 |
| VODI |
838 |
170 |
159 |
407 |
137 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
124 |
905 |
239 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
408 |
2666 |
538 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
118 |
898 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88088 |
3425 |
33 |
41 |
3 |
0 |
0 |
0 |
| OW |
2931 |
528 |
115 |
106 |
0 |
0 |
0 |
0 |
| VODI |
839 |
170 |
147 |
394 |
155 |
11 |
0 |
0 |
| ODI |
0 |
1 |
6 |
122 |
798 |
190 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
497 |
2699 |
532 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
126 |
903 |
0 |
|
Date: 2024-09-02:
| 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 |
88900 |
2675 |
21 |
8 |
0 |
0 |
0 |
0 |
| OW |
3041 |
630 |
127 |
86 |
0 |
0 |
0 |
0 |
| VODI |
660 |
57 |
105 |
434 |
111 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
82 |
1146 |
234 |
2 |
0 |
| CDI |
0 |
0 |
0 |
0 |
324 |
2835 |
312 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
116 |
956 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88834 |
2558 |
19 |
7 |
0 |
0 |
0 |
0 |
| OW |
2953 |
618 |
112 |
116 |
0 |
0 |
0 |
0 |
| VODI |
814 |
184 |
117 |
386 |
198 |
9 |
0 |
0 |
| ODI |
0 |
2 |
5 |
100 |
714 |
201 |
2 |
0 |
| CDI |
0 |
0 |
0 |
1 |
669 |
2815 |
235 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
160 |
1033 |
0 |
|
Date: 2024-09-04:
| 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 |
88997 |
2525 |
24 |
5 |
0 |
0 |
0 |
0 |
| OW |
3033 |
573 |
117 |
140 |
1 |
0 |
0 |
0 |
| VODI |
665 |
57 |
96 |
433 |
130 |
0 |
0 |
0 |
| ODI |
0 |
1 |
2 |
63 |
901 |
326 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
282 |
2488 |
837 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
14 |
1141 |
10 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88937 |
2334 |
24 |
4 |
0 |
0 |
0 |
0 |
| OW |
2945 |
652 |
101 |
156 |
1 |
0 |
0 |
0 |
| VODI |
813 |
168 |
108 |
385 |
186 |
20 |
0 |
0 |
| ODI |
0 |
2 |
6 |
96 |
623 |
214 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
504 |
2577 |
960 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
17 |
1018 |
10 |
|
Date: 2024-09-06:
| 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 |
88757 |
2662 |
30 |
7 |
0 |
0 |
0 |
0 |
| OW |
2969 |
483 |
150 |
197 |
0 |
0 |
0 |
0 |
| VODI |
747 |
43 |
78 |
404 |
162 |
1 |
0 |
0 |
| ODI |
0 |
2 |
10 |
78 |
544 |
335 |
1 |
0 |
| CDI |
0 |
0 |
0 |
3 |
303 |
2428 |
876 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
157 |
1435 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88774 |
2446 |
29 |
6 |
0 |
0 |
0 |
0 |
| OW |
2926 |
610 |
136 |
212 |
6 |
0 |
0 |
0 |
| VODI |
773 |
125 |
83 |
339 |
199 |
16 |
1 |
0 |
| ODI |
0 |
9 |
20 |
124 |
457 |
375 |
4 |
0 |
| CDI |
0 |
0 |
0 |
8 |
346 |
2312 |
1009 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
218 |
1298 |
0 |
|
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