Validation of sea ice concentration - European sector
Bulletin date: 2024-09-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-09-13:
| 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 |
88023 |
3023 |
40 |
13 |
0 |
0 |
0 |
0 |
| OW |
2433 |
290 |
98 |
196 |
2 |
0 |
0 |
0 |
| VODI |
1464 |
19 |
39 |
256 |
255 |
40 |
0 |
0 |
| ODI |
0 |
0 |
4 |
11 |
168 |
318 |
37 |
0 |
| CDI |
0 |
0 |
0 |
0 |
33 |
842 |
688 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1151 |
3417 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-15:
| 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 |
88010 |
3000 |
36 |
25 |
0 |
0 |
0 |
0 |
| OW |
2391 |
369 |
68 |
186 |
0 |
0 |
0 |
0 |
| VODI |
1514 |
82 |
68 |
224 |
220 |
16 |
0 |
0 |
| ODI |
0 |
0 |
3 |
16 |
207 |
222 |
3 |
0 |
| CDI |
0 |
0 |
0 |
4 |
78 |
1801 |
316 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1373 |
2630 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-17:
| 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 |
87926 |
3048 |
70 |
49 |
8 |
0 |
0 |
0 |
| OW |
2492 |
288 |
51 |
88 |
1 |
0 |
0 |
0 |
| VODI |
1334 |
127 |
57 |
218 |
184 |
11 |
0 |
0 |
| ODI |
0 |
5 |
17 |
65 |
211 |
223 |
1 |
0 |
| CDI |
0 |
0 |
1 |
5 |
94 |
1846 |
355 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
946 |
3043 |
98 |
|
...date precedes bulletin
|
Date: 2024-09-19:
| 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 |
88158 |
2979 |
69 |
11 |
0 |
0 |
0 |
0 |
| OW |
2506 |
326 |
79 |
95 |
2 |
0 |
0 |
0 |
| VODI |
1265 |
160 |
47 |
167 |
179 |
11 |
0 |
0 |
| ODI |
0 |
14 |
21 |
81 |
172 |
174 |
11 |
0 |
| CDI |
0 |
0 |
0 |
7 |
98 |
846 |
451 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1240 |
3472 |
218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88158 |
3012 |
74 |
16 |
0 |
0 |
0 |
0 |
| OW |
2503 |
322 |
71 |
96 |
3 |
0 |
0 |
0 |
| VODI |
1268 |
143 |
59 |
182 |
182 |
10 |
0 |
0 |
| ODI |
0 |
2 |
12 |
62 |
190 |
208 |
10 |
0 |
| CDI |
0 |
0 |
0 |
5 |
76 |
757 |
443 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1296 |
3481 |
218 |
|
Date: 2024-09-21:
| 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 |
88376 |
2715 |
47 |
84 |
0 |
0 |
0 |
0 |
| OW |
2444 |
266 |
36 |
116 |
73 |
0 |
0 |
0 |
| VODI |
1345 |
83 |
48 |
97 |
197 |
76 |
0 |
0 |
| ODI |
0 |
4 |
11 |
46 |
108 |
181 |
20 |
0 |
| CDI |
0 |
0 |
0 |
4 |
32 |
508 |
430 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
765 |
3622 |
1128 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88375 |
2748 |
48 |
92 |
0 |
0 |
0 |
0 |
| OW |
2438 |
258 |
35 |
103 |
78 |
0 |
0 |
0 |
| VODI |
1352 |
62 |
59 |
113 |
200 |
69 |
0 |
0 |
| ODI |
0 |
0 |
0 |
37 |
117 |
248 |
23 |
0 |
| CDI |
0 |
0 |
0 |
2 |
15 |
492 |
420 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
721 |
3629 |
1128 |
|
Date: 2024-09-23:
| 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 |
87973 |
2883 |
62 |
49 |
0 |
0 |
0 |
0 |
| OW |
2311 |
244 |
80 |
115 |
15 |
0 |
0 |
0 |
| VODI |
1505 |
14 |
30 |
208 |
133 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
26 |
239 |
44 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
121 |
484 |
122 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
572 |
4194 |
1430 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87990 |
2911 |
84 |
90 |
0 |
0 |
0 |
0 |
| OW |
2370 |
185 |
49 |
187 |
98 |
2 |
0 |
0 |
| VODI |
1429 |
45 |
39 |
103 |
221 |
64 |
0 |
0 |
| ODI |
0 |
0 |
0 |
18 |
142 |
152 |
6 |
0 |
| CDI |
0 |
0 |
0 |
0 |
41 |
323 |
188 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
567 |
4122 |
1430 |
|
Date: 2024-09-25:
| 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 |
87834 |
2762 |
54 |
114 |
51 |
0 |
0 |
0 |
| OW |
2252 |
231 |
45 |
78 |
75 |
0 |
0 |
0 |
| VODI |
1576 |
32 |
50 |
101 |
140 |
13 |
0 |
0 |
| ODI |
0 |
1 |
7 |
55 |
130 |
88 |
0 |
0 |
| CDI |
0 |
0 |
0 |
5 |
120 |
486 |
125 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
18 |
741 |
4116 |
1562 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87834 |
2772 |
72 |
174 |
92 |
0 |
0 |
0 |
| OW |
2328 |
209 |
37 |
52 |
164 |
22 |
0 |
0 |
| VODI |
1500 |
45 |
43 |
102 |
108 |
115 |
1 |
0 |
| ODI |
0 |
0 |
4 |
23 |
89 |
140 |
1 |
0 |
| CDI |
0 |
0 |
0 |
2 |
67 |
364 |
128 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
687 |
4111 |
1562 |
|
Date: 2024-09-27:
| 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 |
87798 |
2877 |
41 |
86 |
45 |
0 |
0 |
0 |
| OW |
2243 |
177 |
44 |
77 |
72 |
5 |
0 |
0 |
| VODI |
1601 |
56 |
51 |
60 |
92 |
16 |
0 |
0 |
| ODI |
0 |
6 |
14 |
72 |
78 |
52 |
0 |
0 |
| CDI |
0 |
0 |
1 |
29 |
117 |
293 |
18 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1549 |
3416 |
1826 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87745 |
2904 |
60 |
151 |
85 |
1 |
0 |
0 |
| OW |
2215 |
156 |
39 |
48 |
123 |
19 |
0 |
0 |
| VODI |
1682 |
54 |
43 |
56 |
81 |
79 |
0 |
0 |
| ODI |
0 |
2 |
9 |
64 |
66 |
98 |
3 |
0 |
| CDI |
0 |
0 |
0 |
5 |
76 |
330 |
52 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
1388 |
3379 |
1826 |
|
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