Validation of sea ice concentration - European sector
Bulletin date: 2023-08-10
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-08-04:
| 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 |
88987 |
8354 |
387 |
340 |
52 |
0 |
0 |
0 |
| OW |
0 |
103 |
101 |
331 |
100 |
0 |
0 |
0 |
| VODI |
0 |
25 |
85 |
595 |
383 |
31 |
0 |
0 |
| ODI |
0 |
7 |
12 |
186 |
344 |
100 |
1 |
0 |
| CDI |
0 |
0 |
0 |
27 |
316 |
3873 |
448 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
883 |
2186 |
843 |
|
...date precedes bulletin
|
Date: 2023-08-06:
| 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 |
91243 |
6499 |
255 |
194 |
30 |
0 |
0 |
0 |
| OW |
0 |
220 |
123 |
242 |
69 |
8 |
0 |
0 |
| VODI |
0 |
80 |
103 |
578 |
281 |
33 |
1 |
0 |
| ODI |
0 |
13 |
32 |
195 |
283 |
92 |
8 |
0 |
| CDI |
0 |
0 |
0 |
58 |
1260 |
2962 |
239 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
1011 |
2933 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-08:
| 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 |
91261 |
6729 |
287 |
278 |
4 |
0 |
0 |
0 |
| OW |
0 |
112 |
110 |
196 |
36 |
1 |
0 |
0 |
| VODI |
0 |
19 |
80 |
637 |
315 |
28 |
1 |
0 |
| ODI |
0 |
0 |
10 |
153 |
436 |
142 |
5 |
0 |
| CDI |
0 |
0 |
0 |
20 |
1309 |
2792 |
379 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
518 |
2632 |
610 |
|
...date precedes bulletin
|
Date: 2023-08-10:
| 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 |
91845 |
6378 |
264 |
227 |
6 |
0 |
0 |
0 |
| OW |
0 |
94 |
76 |
229 |
102 |
1 |
0 |
0 |
| VODI |
0 |
24 |
89 |
502 |
326 |
54 |
0 |
0 |
| ODI |
0 |
3 |
8 |
149 |
271 |
259 |
1 |
0 |
| CDI |
0 |
0 |
3 |
26 |
811 |
3161 |
611 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
908 |
2642 |
28 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91845 |
6380 |
253 |
246 |
10 |
0 |
0 |
0 |
| OW |
0 |
87 |
102 |
237 |
108 |
0 |
0 |
0 |
| VODI |
0 |
30 |
75 |
478 |
322 |
53 |
0 |
0 |
| ODI |
0 |
2 |
9 |
140 |
266 |
241 |
4 |
0 |
| CDI |
0 |
0 |
1 |
32 |
810 |
3145 |
601 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
944 |
2649 |
28 |
|
Date: 2023-08-12:
| 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 |
93708 |
4744 |
197 |
187 |
6 |
0 |
0 |
0 |
| OW |
0 |
116 |
75 |
380 |
53 |
0 |
0 |
0 |
| VODI |
0 |
37 |
97 |
455 |
259 |
14 |
0 |
0 |
| ODI |
0 |
3 |
21 |
190 |
362 |
80 |
0 |
0 |
| CDI |
0 |
2 |
3 |
62 |
1264 |
3056 |
353 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
932 |
2444 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93708 |
4743 |
193 |
194 |
7 |
0 |
0 |
0 |
| OW |
0 |
110 |
84 |
383 |
51 |
0 |
0 |
0 |
| VODI |
0 |
46 |
96 |
445 |
259 |
14 |
0 |
0 |
| ODI |
0 |
3 |
17 |
181 |
364 |
85 |
0 |
0 |
| CDI |
0 |
0 |
3 |
71 |
1263 |
3002 |
275 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
981 |
2522 |
0 |
|
Date: 2023-08-14:
| 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 |
93631 |
4908 |
216 |
131 |
3 |
0 |
0 |
0 |
| OW |
0 |
128 |
142 |
297 |
14 |
0 |
0 |
0 |
| VODI |
0 |
50 |
130 |
456 |
219 |
13 |
0 |
0 |
| ODI |
0 |
3 |
18 |
170 |
470 |
137 |
0 |
0 |
| CDI |
0 |
0 |
5 |
44 |
654 |
2767 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1003 |
3192 |
196 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93631 |
4831 |
229 |
196 |
3 |
0 |
0 |
0 |
| OW |
0 |
172 |
124 |
368 |
64 |
1 |
0 |
0 |
| VODI |
0 |
71 |
120 |
280 |
256 |
21 |
0 |
0 |
| ODI |
0 |
15 |
30 |
147 |
250 |
187 |
1 |
0 |
| CDI |
0 |
0 |
3 |
99 |
780 |
2887 |
565 |
0 |
| VCDI |
0 |
0 |
5 |
8 |
19 |
824 |
2717 |
196 |
|
Date: 2023-08-16:
| 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 |
93426 |
5278 |
201 |
189 |
13 |
0 |
0 |
0 |
| OW |
0 |
161 |
204 |
329 |
54 |
0 |
0 |
0 |
| VODI |
0 |
51 |
79 |
215 |
226 |
30 |
0 |
0 |
| ODI |
0 |
10 |
21 |
124 |
346 |
119 |
0 |
0 |
| CDI |
0 |
0 |
3 |
70 |
1007 |
2356 |
241 |
6 |
| VCDI |
0 |
0 |
2 |
12 |
10 |
507 |
2876 |
934 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93426 |
5161 |
201 |
235 |
10 |
0 |
0 |
0 |
| OW |
0 |
218 |
174 |
305 |
89 |
2 |
0 |
0 |
| VODI |
0 |
100 |
89 |
148 |
268 |
17 |
0 |
0 |
| ODI |
0 |
20 |
39 |
121 |
314 |
141 |
0 |
0 |
| CDI |
0 |
1 |
7 |
130 |
975 |
2566 |
469 |
9 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
286 |
2648 |
931 |
|
Date: 2023-08-18:
| 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 |
93015 |
5578 |
283 |
251 |
12 |
0 |
0 |
0 |
| OW |
0 |
126 |
135 |
339 |
105 |
6 |
0 |
0 |
| VODI |
0 |
39 |
49 |
235 |
232 |
41 |
0 |
0 |
| ODI |
0 |
13 |
18 |
112 |
334 |
109 |
0 |
0 |
| CDI |
0 |
0 |
6 |
91 |
1343 |
2128 |
306 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
350 |
3237 |
607 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93015 |
5474 |
248 |
357 |
36 |
0 |
0 |
0 |
| OW |
0 |
180 |
158 |
264 |
165 |
9 |
0 |
0 |
| VODI |
0 |
88 |
52 |
172 |
236 |
28 |
0 |
0 |
| ODI |
0 |
14 |
24 |
123 |
353 |
105 |
0 |
0 |
| CDI |
0 |
0 |
9 |
112 |
1236 |
2254 |
695 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
238 |
2848 |
607 |
|
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