Validation of sea ice concentration - European sector
Bulletin date: 2023-10-05
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-29:
| 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 |
93875 |
4084 |
306 |
548 |
104 |
0 |
0 |
0 |
| OW |
0 |
16 |
18 |
210 |
97 |
3 |
0 |
0 |
| VODI |
0 |
2 |
10 |
134 |
256 |
17 |
0 |
0 |
| ODI |
0 |
0 |
0 |
29 |
223 |
141 |
0 |
0 |
| CDI |
0 |
0 |
0 |
7 |
141 |
375 |
80 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
383 |
2723 |
5309 |
|
...date precedes bulletin
|
Date: 2023-10-01:
| 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 |
91579 |
6338 |
221 |
394 |
151 |
102 |
0 |
0 |
| OW |
0 |
64 |
24 |
97 |
40 |
41 |
0 |
0 |
| VODI |
0 |
35 |
26 |
83 |
110 |
144 |
1 |
0 |
| ODI |
0 |
18 |
11 |
71 |
78 |
155 |
23 |
0 |
| CDI |
0 |
1 |
14 |
49 |
90 |
193 |
86 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
96 |
293 |
4362 |
4080 |
|
...date precedes bulletin
|
Date: 2023-10-03:
| 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 |
92911 |
4844 |
260 |
486 |
102 |
14 |
0 |
0 |
| OW |
0 |
40 |
48 |
91 |
19 |
15 |
0 |
0 |
| VODI |
0 |
9 |
25 |
108 |
74 |
22 |
0 |
0 |
| ODI |
0 |
0 |
1 |
91 |
95 |
82 |
0 |
0 |
| CDI |
0 |
0 |
0 |
58 |
156 |
242 |
25 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
117 |
2021 |
6389 |
750 |
|
...date precedes bulletin
|
Date: 2023-10-05:
| 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 |
92313 |
5134 |
199 |
413 |
314 |
87 |
6 |
0 |
| OW |
0 |
69 |
36 |
91 |
7 |
8 |
6 |
0 |
| VODI |
0 |
31 |
33 |
118 |
19 |
11 |
8 |
0 |
| ODI |
0 |
3 |
36 |
78 |
64 |
26 |
8 |
0 |
| CDI |
0 |
0 |
11 |
125 |
105 |
122 |
62 |
0 |
| VCDI |
0 |
0 |
0 |
41 |
263 |
1878 |
6377 |
998 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92313 |
5150 |
204 |
424 |
314 |
87 |
7 |
0 |
| OW |
0 |
55 |
33 |
77 |
7 |
8 |
5 |
0 |
| VODI |
0 |
29 |
39 |
110 |
18 |
9 |
8 |
0 |
| ODI |
0 |
3 |
30 |
89 |
56 |
24 |
8 |
0 |
| CDI |
0 |
0 |
9 |
136 |
121 |
86 |
55 |
0 |
| VCDI |
0 |
0 |
0 |
30 |
256 |
1918 |
6384 |
998 |
|
Date: 2023-10-07:
| 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 |
92733 |
4771 |
131 |
291 |
260 |
165 |
13 |
0 |
| OW |
0 |
105 |
51 |
51 |
3 |
10 |
6 |
0 |
| VODI |
0 |
73 |
41 |
84 |
15 |
10 |
10 |
0 |
| ODI |
0 |
41 |
29 |
82 |
34 |
6 |
8 |
0 |
| CDI |
0 |
19 |
37 |
102 |
98 |
43 |
80 |
0 |
| VCDI |
0 |
0 |
6 |
95 |
283 |
1549 |
6253 |
1512 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92733 |
4782 |
137 |
299 |
261 |
169 |
13 |
0 |
| OW |
0 |
96 |
45 |
42 |
2 |
6 |
6 |
0 |
| VODI |
0 |
76 |
36 |
88 |
12 |
7 |
8 |
0 |
| ODI |
0 |
39 |
37 |
70 |
30 |
8 |
8 |
0 |
| CDI |
0 |
16 |
37 |
133 |
108 |
26 |
56 |
0 |
| VCDI |
0 |
0 |
3 |
73 |
280 |
1567 |
6279 |
1512 |
|
Date: 2023-10-09:
| 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 |
92788 |
4591 |
193 |
348 |
361 |
32 |
0 |
0 |
| OW |
0 |
43 |
61 |
157 |
43 |
28 |
0 |
0 |
| VODI |
0 |
15 |
24 |
216 |
84 |
25 |
0 |
0 |
| ODI |
0 |
0 |
15 |
80 |
121 |
14 |
0 |
0 |
| CDI |
0 |
0 |
0 |
58 |
253 |
487 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
35 |
1500 |
6380 |
1141 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92788 |
4473 |
160 |
394 |
390 |
67 |
0 |
0 |
| OW |
0 |
100 |
46 |
121 |
30 |
18 |
0 |
0 |
| VODI |
0 |
37 |
46 |
98 |
32 |
12 |
0 |
0 |
| ODI |
0 |
32 |
13 |
103 |
49 |
7 |
0 |
0 |
| CDI |
0 |
7 |
28 |
97 |
182 |
100 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
47 |
214 |
1882 |
6385 |
1141 |
|
Date: 2023-10-11:
| 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 |
92643 |
4689 |
234 |
452 |
176 |
37 |
0 |
0 |
| OW |
0 |
44 |
46 |
133 |
50 |
35 |
0 |
0 |
| VODI |
0 |
12 |
22 |
192 |
104 |
35 |
0 |
0 |
| ODI |
0 |
3 |
9 |
88 |
106 |
29 |
0 |
0 |
| CDI |
0 |
0 |
2 |
62 |
246 |
126 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
83 |
1058 |
6191 |
2193 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92643 |
4563 |
195 |
420 |
194 |
69 |
0 |
0 |
| OW |
0 |
96 |
37 |
107 |
57 |
32 |
0 |
0 |
| VODI |
0 |
54 |
33 |
143 |
48 |
25 |
0 |
0 |
| ODI |
0 |
24 |
29 |
91 |
42 |
18 |
0 |
0 |
| CDI |
0 |
11 |
19 |
110 |
115 |
27 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
309 |
1149 |
6191 |
2193 |
|
Date: 2023-10-13:
| 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 |
92723 |
4695 |
116 |
190 |
228 |
93 |
0 |
0 |
| OW |
0 |
162 |
49 |
66 |
34 |
28 |
0 |
0 |
| VODI |
0 |
88 |
65 |
149 |
35 |
21 |
7 |
0 |
| ODI |
0 |
36 |
37 |
113 |
39 |
4 |
11 |
0 |
| CDI |
0 |
0 |
13 |
122 |
100 |
14 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
58 |
327 |
1465 |
6025 |
1973 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92723 |
4507 |
76 |
166 |
220 |
126 |
4 |
0 |
| OW |
0 |
201 |
45 |
37 |
35 |
16 |
8 |
0 |
| VODI |
0 |
194 |
61 |
95 |
30 |
5 |
11 |
0 |
| ODI |
0 |
42 |
40 |
87 |
15 |
3 |
7 |
0 |
| CDI |
0 |
30 |
27 |
114 |
39 |
8 |
6 |
0 |
| VCDI |
0 |
7 |
31 |
199 |
424 |
1467 |
6021 |
1973 |
|
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