Validation of sea ice concentration - European sector
Bulletin date: 2023-08-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-25:
| 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 |
93465 |
5474 |
325 |
367 |
54 |
0 |
0 |
0 |
| OW |
0 |
87 |
80 |
223 |
69 |
2 |
0 |
0 |
| VODI |
0 |
45 |
43 |
259 |
265 |
8 |
0 |
0 |
| ODI |
0 |
9 |
23 |
169 |
523 |
164 |
1 |
0 |
| CDI |
0 |
1 |
5 |
76 |
853 |
2283 |
322 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1886 |
2016 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-27:
| 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 |
93512 |
5546 |
273 |
298 |
74 |
5 |
0 |
0 |
| OW |
0 |
84 |
84 |
245 |
101 |
9 |
0 |
0 |
| VODI |
0 |
40 |
40 |
231 |
252 |
26 |
0 |
0 |
| ODI |
0 |
12 |
28 |
124 |
473 |
267 |
5 |
0 |
| CDI |
0 |
2 |
6 |
73 |
830 |
2255 |
804 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
228 |
2038 |
1135 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-29:
| 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 |
94704 |
4495 |
257 |
231 |
33 |
0 |
0 |
0 |
| OW |
0 |
93 |
103 |
157 |
39 |
0 |
0 |
0 |
| VODI |
0 |
45 |
62 |
344 |
213 |
8 |
0 |
0 |
| ODI |
0 |
5 |
18 |
167 |
747 |
528 |
0 |
0 |
| CDI |
0 |
0 |
3 |
50 |
1206 |
3043 |
200 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1825 |
522 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-31:
| 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 |
88585 |
7134 |
3527 |
427 |
73 |
0 |
0 |
0 |
| OW |
0 |
94 |
86 |
208 |
80 |
0 |
0 |
0 |
| VODI |
0 |
47 |
50 |
364 |
208 |
1 |
0 |
0 |
| ODI |
0 |
10 |
22 |
222 |
931 |
230 |
0 |
0 |
| CDI |
0 |
1 |
3 |
49 |
1529 |
2552 |
518 |
0 |
| VCDI |
0 |
0 |
0 |
373 |
560 |
883 |
333 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88585 |
7121 |
3527 |
450 |
85 |
0 |
0 |
0 |
| OW |
0 |
102 |
80 |
195 |
76 |
0 |
0 |
0 |
| VODI |
0 |
53 |
54 |
337 |
214 |
1 |
0 |
0 |
| ODI |
0 |
10 |
25 |
241 |
901 |
222 |
0 |
0 |
| CDI |
0 |
0 |
2 |
47 |
1524 |
2503 |
510 |
0 |
| VCDI |
0 |
0 |
0 |
373 |
581 |
940 |
341 |
0 |
|
Date: 2023-09-02:
| 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 |
94148 |
5226 |
217 |
219 |
46 |
0 |
0 |
0 |
| OW |
0 |
131 |
114 |
227 |
43 |
0 |
0 |
0 |
| VODI |
0 |
55 |
57 |
319 |
194 |
1 |
0 |
0 |
| ODI |
0 |
25 |
52 |
271 |
784 |
143 |
0 |
0 |
| CDI |
0 |
1 |
6 |
60 |
2010 |
2754 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
173 |
1740 |
48 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
94148 |
5217 |
222 |
261 |
50 |
0 |
0 |
0 |
| OW |
0 |
125 |
103 |
197 |
39 |
0 |
0 |
0 |
| VODI |
0 |
65 |
59 |
295 |
192 |
1 |
0 |
0 |
| ODI |
0 |
31 |
57 |
266 |
772 |
126 |
0 |
0 |
| CDI |
0 |
0 |
5 |
77 |
1990 |
2572 |
36 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
207 |
1939 |
48 |
0 |
|
Date: 2023-09-04:
| 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 |
95928 |
3712 |
209 |
264 |
41 |
0 |
0 |
0 |
| OW |
0 |
114 |
98 |
196 |
14 |
0 |
0 |
0 |
| VODI |
0 |
82 |
82 |
424 |
194 |
0 |
0 |
0 |
| ODI |
0 |
3 |
26 |
244 |
1173 |
144 |
0 |
0 |
| CDI |
0 |
0 |
0 |
38 |
1535 |
3790 |
157 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
601 |
31 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95928 |
3594 |
198 |
307 |
57 |
0 |
0 |
0 |
| OW |
0 |
188 |
95 |
187 |
30 |
0 |
0 |
0 |
| VODI |
0 |
76 |
53 |
296 |
173 |
0 |
0 |
0 |
| ODI |
0 |
52 |
59 |
274 |
651 |
56 |
0 |
0 |
| CDI |
0 |
1 |
10 |
101 |
1817 |
2845 |
137 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
229 |
1634 |
51 |
0 |
|
Date: 2023-09-06:
| 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 |
95204 |
4406 |
255 |
354 |
24 |
0 |
0 |
0 |
| OW |
0 |
79 |
88 |
268 |
19 |
0 |
0 |
0 |
| VODI |
0 |
51 |
64 |
365 |
190 |
4 |
0 |
0 |
| ODI |
0 |
8 |
35 |
361 |
1101 |
140 |
0 |
0 |
| CDI |
0 |
0 |
1 |
12 |
940 |
3335 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1654 |
11 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95204 |
4268 |
232 |
390 |
44 |
0 |
0 |
0 |
| OW |
0 |
155 |
86 |
235 |
31 |
0 |
0 |
0 |
| VODI |
0 |
78 |
53 |
288 |
190 |
5 |
0 |
0 |
| ODI |
0 |
38 |
61 |
326 |
575 |
52 |
0 |
0 |
| CDI |
0 |
5 |
11 |
121 |
1310 |
2989 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
138 |
2087 |
11 |
0 |
|
Date: 2023-09-08:
| 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 |
95527 |
4175 |
241 |
270 |
0 |
0 |
0 |
0 |
| OW |
0 |
123 |
111 |
240 |
12 |
0 |
0 |
0 |
| VODI |
0 |
46 |
64 |
319 |
161 |
5 |
0 |
0 |
| ODI |
0 |
8 |
46 |
408 |
1050 |
123 |
0 |
0 |
| CDI |
0 |
0 |
1 |
17 |
798 |
2937 |
32 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
2263 |
75 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
95527 |
4073 |
257 |
365 |
12 |
0 |
0 |
0 |
| OW |
0 |
164 |
81 |
186 |
70 |
0 |
0 |
0 |
| VODI |
0 |
91 |
51 |
260 |
226 |
11 |
0 |
0 |
| ODI |
0 |
22 |
64 |
294 |
440 |
70 |
0 |
0 |
| CDI |
0 |
2 |
10 |
149 |
1174 |
2689 |
30 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
147 |
2558 |
77 |
0 |
|
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