Validation of sea ice concentration - European sector
Bulletin date: 2023-09-14
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
85998 |
3101 |
51 |
21 |
0 |
0 |
0 |
0 |
| OW |
2713 |
595 |
184 |
211 |
2 |
0 |
0 |
0 |
| VODI |
1084 |
139 |
193 |
632 |
187 |
5 |
0 |
0 |
| ODI |
0 |
11 |
34 |
387 |
1199 |
152 |
0 |
0 |
| CDI |
0 |
0 |
1 |
3 |
680 |
3410 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
1 |
1761 |
76 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-10:
| 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 |
85837 |
3111 |
45 |
29 |
0 |
0 |
0 |
0 |
| OW |
2687 |
687 |
152 |
221 |
1 |
0 |
0 |
0 |
| VODI |
1113 |
163 |
181 |
643 |
234 |
9 |
0 |
0 |
| ODI |
0 |
13 |
43 |
363 |
1198 |
209 |
0 |
0 |
| CDI |
0 |
0 |
0 |
3 |
523 |
2733 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
54 |
2518 |
92 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-12:
| 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 |
85486 |
3529 |
74 |
72 |
5 |
0 |
0 |
0 |
| OW |
2878 |
635 |
176 |
159 |
11 |
0 |
0 |
0 |
| VODI |
830 |
92 |
168 |
757 |
335 |
7 |
0 |
0 |
| ODI |
0 |
0 |
5 |
219 |
1294 |
186 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
333 |
3319 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
12 |
2268 |
12 |
0 |
|
...date precedes bulletin
|
Date: 2023-09-14:
| 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 |
85195 |
3474 |
85 |
135 |
31 |
0 |
0 |
0 |
| OW |
2933 |
659 |
136 |
201 |
73 |
6 |
0 |
0 |
| VODI |
718 |
84 |
99 |
511 |
576 |
40 |
1 |
0 |
| ODI |
0 |
0 |
0 |
96 |
1356 |
277 |
6 |
0 |
| CDI |
0 |
0 |
0 |
2 |
517 |
3095 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
2516 |
32 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85195 |
3390 |
88 |
146 |
33 |
0 |
0 |
0 |
| OW |
2933 |
725 |
125 |
186 |
89 |
5 |
0 |
0 |
| VODI |
718 |
102 |
105 |
509 |
547 |
41 |
0 |
0 |
| ODI |
0 |
0 |
2 |
99 |
1397 |
392 |
7 |
0 |
| CDI |
0 |
0 |
0 |
5 |
487 |
2976 |
2 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
6 |
2520 |
32 |
0 |
|
Date: 2023-09-16:
| 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 |
85026 |
3492 |
66 |
120 |
0 |
0 |
0 |
0 |
| OW |
2882 |
745 |
148 |
218 |
60 |
0 |
0 |
0 |
| VODI |
778 |
87 |
119 |
506 |
551 |
19 |
0 |
0 |
| ODI |
0 |
0 |
1 |
214 |
944 |
556 |
2 |
0 |
| CDI |
0 |
0 |
0 |
11 |
271 |
3081 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2528 |
375 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85028 |
3418 |
70 |
123 |
0 |
0 |
0 |
0 |
| OW |
2893 |
819 |
143 |
212 |
73 |
0 |
0 |
0 |
| VODI |
765 |
87 |
120 |
531 |
512 |
14 |
0 |
0 |
| ODI |
0 |
0 |
1 |
190 |
946 |
629 |
2 |
0 |
| CDI |
0 |
0 |
0 |
13 |
295 |
2978 |
71 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2563 |
366 |
0 |
|
Date: 2023-09-18:
| 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 |
84699 |
3776 |
88 |
148 |
12 |
0 |
0 |
0 |
| OW |
2645 |
570 |
168 |
132 |
18 |
0 |
0 |
0 |
| VODI |
1106 |
47 |
108 |
437 |
274 |
9 |
0 |
0 |
| ODI |
0 |
1 |
4 |
132 |
606 |
94 |
1 |
0 |
| CDI |
0 |
0 |
0 |
14 |
333 |
3021 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3464 |
931 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84778 |
3491 |
83 |
158 |
12 |
0 |
0 |
0 |
| OW |
2822 |
837 |
173 |
230 |
108 |
0 |
0 |
0 |
| VODI |
850 |
66 |
111 |
376 |
493 |
79 |
0 |
0 |
| ODI |
0 |
0 |
1 |
94 |
535 |
868 |
21 |
0 |
| CDI |
0 |
0 |
0 |
5 |
99 |
2952 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
2689 |
885 |
0 |
|
Date: 2023-09-20:
| 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 |
84593 |
3797 |
93 |
107 |
0 |
0 |
0 |
0 |
| OW |
2606 |
569 |
176 |
158 |
14 |
0 |
0 |
0 |
| VODI |
1150 |
52 |
90 |
401 |
239 |
4 |
0 |
0 |
| ODI |
0 |
5 |
9 |
162 |
458 |
72 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
410 |
2024 |
80 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
77 |
4475 |
994 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84668 |
3459 |
89 |
102 |
0 |
0 |
0 |
0 |
| OW |
2768 |
883 |
173 |
265 |
88 |
1 |
0 |
0 |
| VODI |
913 |
81 |
105 |
402 |
442 |
47 |
0 |
0 |
| ODI |
0 |
0 |
1 |
92 |
529 |
657 |
25 |
0 |
| CDI |
0 |
0 |
0 |
14 |
139 |
2682 |
341 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
0 |
3188 |
708 |
0 |
|
Date: 2023-09-22:
| 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 |
84060 |
4093 |
115 |
131 |
16 |
0 |
0 |
0 |
| OW |
2560 |
458 |
152 |
270 |
51 |
3 |
0 |
0 |
| VODI |
1208 |
54 |
75 |
338 |
258 |
35 |
0 |
0 |
| ODI |
0 |
3 |
8 |
154 |
410 |
52 |
10 |
0 |
| CDI |
0 |
0 |
0 |
82 |
460 |
1515 |
101 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
4 |
3836 |
2350 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84129 |
3751 |
102 |
140 |
22 |
0 |
0 |
0 |
| OW |
2674 |
800 |
177 |
331 |
160 |
12 |
0 |
0 |
| VODI |
1025 |
55 |
65 |
360 |
427 |
88 |
5 |
0 |
| ODI |
0 |
2 |
6 |
130 |
442 |
491 |
31 |
0 |
| CDI |
0 |
0 |
0 |
14 |
145 |
2293 |
860 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
3 |
2557 |
1565 |
0 |
|
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