Validation of sea ice concentration - European sector
Bulletin date: 2023-07-20
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-14:
| 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 |
84711 |
10025 |
479 |
642 |
162 |
0 |
0 |
0 |
| OW |
0 |
132 |
148 |
733 |
255 |
0 |
0 |
0 |
| VODI |
0 |
48 |
70 |
860 |
782 |
32 |
0 |
0 |
| ODI |
0 |
4 |
16 |
205 |
404 |
329 |
7 |
0 |
| CDI |
0 |
0 |
0 |
74 |
663 |
3804 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
392 |
3839 |
109 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-16:
| 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 |
84235 |
10686 |
513 |
747 |
150 |
7 |
0 |
0 |
| OW |
0 |
161 |
164 |
897 |
182 |
8 |
0 |
0 |
| VODI |
0 |
46 |
62 |
735 |
493 |
34 |
0 |
0 |
| ODI |
0 |
0 |
10 |
191 |
343 |
341 |
0 |
0 |
| CDI |
0 |
3 |
8 |
67 |
550 |
4040 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
60 |
4093 |
212 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-18:
| 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 |
87099 |
8079 |
449 |
728 |
244 |
4 |
0 |
0 |
| OW |
0 |
133 |
102 |
511 |
129 |
3 |
0 |
0 |
| VODI |
0 |
27 |
104 |
900 |
540 |
14 |
0 |
0 |
| ODI |
0 |
0 |
11 |
217 |
445 |
239 |
5 |
0 |
| CDI |
0 |
0 |
0 |
27 |
420 |
4821 |
313 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
3091 |
432 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-20:
| 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 |
87087 |
8519 |
437 |
638 |
146 |
1 |
0 |
0 |
| OW |
0 |
222 |
178 |
616 |
95 |
2 |
0 |
0 |
| VODI |
0 |
38 |
86 |
576 |
461 |
47 |
0 |
0 |
| ODI |
0 |
3 |
8 |
173 |
302 |
238 |
13 |
0 |
| CDI |
0 |
0 |
0 |
48 |
419 |
5082 |
334 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
2636 |
687 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87087 |
8531 |
477 |
812 |
147 |
1 |
0 |
0 |
| OW |
0 |
204 |
142 |
434 |
113 |
2 |
0 |
0 |
| VODI |
0 |
46 |
80 |
570 |
446 |
50 |
0 |
0 |
| ODI |
0 |
1 |
10 |
187 |
297 |
226 |
15 |
0 |
| CDI |
0 |
0 |
0 |
48 |
418 |
5111 |
327 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
10 |
2616 |
692 |
0 |
|
Date: 2023-07-22:
| 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 |
86939 |
8539 |
594 |
987 |
76 |
0 |
0 |
0 |
| OW |
0 |
209 |
186 |
537 |
116 |
2 |
0 |
0 |
| VODI |
0 |
33 |
92 |
496 |
433 |
21 |
0 |
0 |
| ODI |
0 |
12 |
9 |
182 |
331 |
172 |
1 |
0 |
| CDI |
0 |
1 |
6 |
94 |
452 |
5431 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2208 |
867 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86939 |
8567 |
624 |
1115 |
98 |
0 |
0 |
0 |
| OW |
0 |
181 |
151 |
400 |
137 |
2 |
0 |
0 |
| VODI |
0 |
34 |
95 |
490 |
389 |
18 |
0 |
0 |
| ODI |
0 |
11 |
11 |
195 |
329 |
200 |
2 |
0 |
| CDI |
0 |
1 |
6 |
96 |
455 |
5376 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2238 |
879 |
0 |
|
Date: 2023-07-24:
| 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 |
86859 |
8752 |
640 |
984 |
44 |
0 |
0 |
0 |
| OW |
0 |
123 |
160 |
396 |
56 |
0 |
0 |
0 |
| VODI |
0 |
48 |
95 |
708 |
369 |
7 |
1 |
0 |
| ODI |
0 |
11 |
29 |
242 |
591 |
213 |
7 |
0 |
| CDI |
0 |
0 |
5 |
34 |
328 |
6927 |
150 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1244 |
75 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86859 |
8779 |
704 |
1203 |
107 |
0 |
0 |
0 |
| OW |
0 |
86 |
107 |
365 |
157 |
0 |
0 |
0 |
| VODI |
0 |
43 |
79 |
492 |
316 |
22 |
1 |
0 |
| ODI |
0 |
16 |
12 |
199 |
307 |
271 |
20 |
0 |
| CDI |
0 |
10 |
27 |
105 |
501 |
5649 |
136 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2449 |
76 |
0 |
|
Date: 2023-07-26:
| 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 |
86191 |
9790 |
678 |
936 |
68 |
0 |
0 |
0 |
| OW |
0 |
61 |
100 |
328 |
116 |
13 |
0 |
0 |
| VODI |
0 |
42 |
52 |
471 |
465 |
62 |
1 |
0 |
| ODI |
0 |
18 |
22 |
163 |
394 |
358 |
16 |
0 |
| CDI |
0 |
7 |
12 |
34 |
251 |
6681 |
110 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1585 |
73 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86191 |
9784 |
684 |
1060 |
140 |
11 |
0 |
0 |
| OW |
0 |
58 |
81 |
294 |
230 |
15 |
0 |
0 |
| VODI |
0 |
41 |
50 |
346 |
285 |
93 |
1 |
0 |
| ODI |
0 |
12 |
23 |
139 |
263 |
327 |
40 |
0 |
| CDI |
0 |
23 |
26 |
93 |
371 |
6088 |
67 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
7 |
2165 |
92 |
0 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87704 |
8564 |
682 |
902 |
117 |
17 |
0 |
0 |
| OW |
0 |
67 |
86 |
346 |
172 |
15 |
0 |
0 |
| VODI |
0 |
41 |
40 |
319 |
241 |
31 |
0 |
0 |
| ODI |
0 |
22 |
27 |
173 |
294 |
337 |
4 |
0 |
| CDI |
0 |
13 |
27 |
87 |
487 |
4410 |
1353 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
1051 |
1469 |
0 |
|
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