Validation of sea ice concentration - European sector
Bulletin date: 2023-07-27
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-07-21:
| 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 |
86312 |
9036 |
527 |
1055 |
9 |
0 |
0 |
0 |
| OW |
0 |
76 |
120 |
880 |
61 |
0 |
0 |
0 |
| VODI |
0 |
0 |
10 |
621 |
485 |
0 |
0 |
0 |
| ODI |
0 |
0 |
0 |
118 |
509 |
103 |
0 |
0 |
| CDI |
0 |
0 |
0 |
31 |
480 |
5416 |
50 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
1568 |
1630 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-23:
| 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 |
85778 |
9565 |
802 |
1147 |
9 |
0 |
0 |
0 |
| OW |
0 |
66 |
82 |
723 |
79 |
0 |
0 |
0 |
| VODI |
0 |
2 |
5 |
633 |
404 |
2 |
0 |
0 |
| ODI |
0 |
0 |
0 |
113 |
514 |
107 |
6 |
0 |
| CDI |
0 |
0 |
0 |
46 |
564 |
5529 |
119 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
2 |
2559 |
244 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-25:
| 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 |
85963 |
9842 |
692 |
1041 |
11 |
0 |
0 |
0 |
| OW |
0 |
9 |
41 |
535 |
36 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
760 |
396 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
803 |
113 |
0 |
0 |
| CDI |
0 |
0 |
0 |
32 |
242 |
6778 |
282 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
1057 |
360 |
0 |
|
...date precedes bulletin
|
Date: 2023-07-27:
| 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 |
87866 |
8245 |
610 |
951 |
24 |
0 |
0 |
0 |
| OW |
0 |
12 |
51 |
548 |
58 |
0 |
0 |
0 |
| VODI |
0 |
0 |
2 |
624 |
429 |
4 |
0 |
0 |
| ODI |
0 |
0 |
0 |
94 |
742 |
123 |
0 |
0 |
| CDI |
0 |
0 |
0 |
30 |
312 |
5025 |
1297 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
286 |
1729 |
38 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87866 |
8253 |
622 |
977 |
29 |
0 |
0 |
0 |
| OW |
0 |
4 |
41 |
555 |
48 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
582 |
412 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
106 |
749 |
114 |
0 |
0 |
| CDI |
0 |
0 |
0 |
27 |
327 |
5008 |
1275 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
308 |
1751 |
38 |
|
Date: 2023-07-29:
| 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 |
87307 |
9102 |
557 |
825 |
37 |
0 |
0 |
0 |
| OW |
0 |
16 |
43 |
551 |
76 |
0 |
0 |
0 |
| VODI |
0 |
0 |
0 |
541 |
433 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
93 |
643 |
196 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
212 |
3934 |
2159 |
23 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
99 |
905 |
1312 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87307 |
9108 |
554 |
820 |
34 |
0 |
0 |
0 |
| OW |
0 |
10 |
45 |
579 |
78 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
508 |
435 |
20 |
0 |
0 |
| ODI |
0 |
0 |
0 |
101 |
639 |
213 |
0 |
0 |
| CDI |
0 |
0 |
0 |
30 |
215 |
3913 |
2118 |
35 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
91 |
946 |
1300 |
|
Date: 2023-07-31:
| 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 |
88259 |
8818 |
427 |
337 |
15 |
0 |
0 |
0 |
| OW |
0 |
28 |
51 |
388 |
31 |
0 |
0 |
0 |
| VODI |
0 |
2 |
0 |
846 |
263 |
3 |
0 |
0 |
| ODI |
0 |
0 |
0 |
105 |
804 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
11 |
197 |
3183 |
284 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
101 |
2822 |
2096 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88259 |
8794 |
425 |
485 |
23 |
0 |
0 |
0 |
| OW |
0 |
46 |
45 |
595 |
118 |
0 |
0 |
0 |
| VODI |
0 |
8 |
8 |
414 |
432 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
166 |
553 |
354 |
10 |
0 |
| CDI |
0 |
0 |
0 |
27 |
184 |
2945 |
2836 |
412 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
6 |
260 |
1684 |
|
Date: 2023-08-02:
| 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 |
87499 |
9404 |
498 |
644 |
11 |
0 |
0 |
0 |
| OW |
0 |
8 |
33 |
468 |
58 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
753 |
361 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
156 |
568 |
35 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
334 |
3376 |
416 |
1 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
953 |
2151 |
1357 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87499 |
9379 |
491 |
815 |
26 |
0 |
0 |
0 |
| OW |
0 |
31 |
34 |
579 |
147 |
0 |
0 |
0 |
| VODI |
0 |
2 |
7 |
427 |
411 |
11 |
0 |
0 |
| ODI |
0 |
0 |
0 |
187 |
523 |
404 |
53 |
0 |
| CDI |
0 |
0 |
0 |
17 |
225 |
3958 |
2282 |
139 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2 |
232 |
1219 |
|
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 |
89859 |
7504 |
273 |
445 |
39 |
0 |
0 |
0 |
| OW |
0 |
12 |
49 |
485 |
89 |
0 |
0 |
0 |
| VODI |
0 |
0 |
1 |
639 |
470 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
83 |
538 |
29 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
273 |
3712 |
675 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
618 |
2077 |
1217 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89859 |
7429 |
277 |
671 |
82 |
0 |
0 |
0 |
| OW |
0 |
82 |
39 |
425 |
254 |
1 |
0 |
0 |
| VODI |
0 |
5 |
7 |
414 |
406 |
9 |
0 |
0 |
| ODI |
0 |
0 |
0 |
135 |
518 |
631 |
27 |
0 |
| CDI |
0 |
0 |
0 |
11 |
149 |
3724 |
2496 |
207 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3 |
229 |
1010 |
|
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