Validation of sea ice concentration - European sector
Bulletin date: 2023-08-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-28:
| 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 |
87704 |
8565 |
663 |
771 |
52 |
2 |
0 |
0 |
| OW |
0 |
89 |
112 |
362 |
102 |
16 |
0 |
0 |
| VODI |
0 |
37 |
49 |
526 |
371 |
37 |
0 |
0 |
| ODI |
0 |
8 |
24 |
142 |
484 |
288 |
0 |
0 |
| CDI |
0 |
8 |
14 |
26 |
302 |
4596 |
1518 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
922 |
1308 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-30:
| 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 |
87268 |
9202 |
641 |
729 |
60 |
3 |
0 |
0 |
| OW |
0 |
84 |
98 |
401 |
137 |
5 |
0 |
0 |
| VODI |
0 |
33 |
52 |
455 |
364 |
38 |
3 |
0 |
| ODI |
0 |
2 |
21 |
188 |
436 |
293 |
18 |
0 |
| CDI |
0 |
0 |
5 |
42 |
243 |
3603 |
2444 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
190 |
2042 |
0 |
|
...date precedes bulletin
|
Date: 2023-08-01:
| 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 |
88205 |
8680 |
612 |
441 |
51 |
0 |
0 |
0 |
| OW |
0 |
66 |
104 |
295 |
54 |
0 |
0 |
0 |
| VODI |
0 |
39 |
101 |
611 |
338 |
39 |
0 |
0 |
| ODI |
0 |
0 |
11 |
167 |
488 |
147 |
5 |
0 |
| CDI |
0 |
0 |
0 |
14 |
267 |
3168 |
440 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
815 |
3496 |
446 |
|
...date precedes bulletin
|
Date: 2023-08-03:
| 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 |
88917 |
8269 |
435 |
403 |
66 |
0 |
0 |
0 |
| OW |
0 |
85 |
120 |
330 |
68 |
3 |
0 |
0 |
| VODI |
0 |
34 |
96 |
570 |
349 |
47 |
1 |
0 |
| ODI |
0 |
0 |
8 |
205 |
429 |
64 |
1 |
0 |
| CDI |
0 |
0 |
0 |
22 |
381 |
3733 |
331 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1127 |
2814 |
192 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88917 |
8265 |
450 |
440 |
60 |
0 |
0 |
0 |
| OW |
0 |
89 |
99 |
317 |
81 |
3 |
0 |
0 |
| VODI |
0 |
34 |
101 |
547 |
343 |
48 |
1 |
0 |
| ODI |
0 |
0 |
9 |
199 |
439 |
65 |
1 |
0 |
| CDI |
0 |
0 |
0 |
27 |
369 |
3703 |
336 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1155 |
2809 |
192 |
|
Date: 2023-08-05:
| 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 |
88757 |
8766 |
383 |
221 |
44 |
0 |
0 |
0 |
| OW |
0 |
172 |
112 |
296 |
62 |
1 |
0 |
0 |
| VODI |
0 |
47 |
103 |
667 |
275 |
24 |
6 |
0 |
| ODI |
0 |
5 |
23 |
207 |
287 |
110 |
0 |
0 |
| CDI |
0 |
0 |
2 |
38 |
842 |
3491 |
233 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
826 |
2640 |
450 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88757 |
8789 |
396 |
274 |
37 |
0 |
0 |
0 |
| OW |
0 |
145 |
103 |
265 |
68 |
3 |
0 |
0 |
| VODI |
0 |
49 |
98 |
645 |
276 |
25 |
6 |
0 |
| ODI |
0 |
6 |
22 |
210 |
293 |
117 |
0 |
0 |
| CDI |
0 |
1 |
4 |
35 |
827 |
3502 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
19 |
805 |
2616 |
450 |
|
Date: 2023-08-07:
| 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 |
90736 |
7212 |
269 |
178 |
8 |
0 |
0 |
0 |
| OW |
0 |
154 |
151 |
195 |
19 |
0 |
0 |
0 |
| VODI |
0 |
44 |
109 |
676 |
262 |
19 |
0 |
0 |
| ODI |
0 |
4 |
11 |
189 |
523 |
83 |
0 |
0 |
| CDI |
0 |
0 |
1 |
15 |
1558 |
2795 |
118 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
1806 |
1953 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90736 |
7153 |
277 |
206 |
7 |
0 |
0 |
0 |
| OW |
0 |
174 |
123 |
226 |
80 |
3 |
0 |
0 |
| VODI |
0 |
66 |
104 |
526 |
265 |
42 |
0 |
0 |
| ODI |
0 |
16 |
28 |
196 |
262 |
86 |
4 |
0 |
| CDI |
0 |
5 |
9 |
99 |
1718 |
2622 |
160 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
1950 |
1907 |
0 |
|
Date: 2023-08-09:
| 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 |
93613 |
4881 |
133 |
17 |
0 |
0 |
0 |
0 |
| OW |
0 |
324 |
79 |
59 |
2 |
0 |
0 |
0 |
| VODI |
0 |
271 |
270 |
484 |
24 |
0 |
0 |
0 |
| ODI |
0 |
162 |
67 |
351 |
123 |
0 |
0 |
0 |
| CDI |
0 |
144 |
39 |
562 |
1895 |
1655 |
243 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
64 |
879 |
2612 |
143 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93613 |
4744 |
149 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
358 |
93 |
157 |
0 |
0 |
0 |
0 |
| VODI |
0 |
346 |
210 |
328 |
23 |
0 |
0 |
0 |
| ODI |
0 |
165 |
69 |
208 |
112 |
0 |
0 |
0 |
| CDI |
0 |
169 |
67 |
737 |
1887 |
1666 |
290 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
86 |
868 |
2565 |
143 |
|
Date: 2023-08-11:
| 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 |
92234 |
6224 |
212 |
129 |
8 |
0 |
0 |
0 |
| OW |
0 |
107 |
112 |
279 |
58 |
0 |
0 |
0 |
| VODI |
0 |
38 |
104 |
512 |
261 |
21 |
0 |
0 |
| ODI |
0 |
1 |
18 |
194 |
321 |
139 |
0 |
0 |
| CDI |
0 |
1 |
4 |
46 |
1077 |
3327 |
351 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
953 |
2369 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92234 |
6126 |
205 |
224 |
19 |
0 |
0 |
0 |
| OW |
0 |
169 |
95 |
296 |
71 |
0 |
0 |
0 |
| VODI |
0 |
59 |
101 |
349 |
213 |
35 |
0 |
0 |
| ODI |
0 |
16 |
32 |
145 |
284 |
107 |
0 |
0 |
| CDI |
0 |
1 |
17 |
143 |
1128 |
3479 |
214 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
10 |
819 |
2506 |
0 |
|
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