Validation of sea ice concentration - European sector
Bulletin date: 2024-10-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-10-18:
| 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 |
86039 |
3584 |
27 |
13 |
0 |
0 |
0 |
0 |
| OW |
1750 |
259 |
55 |
71 |
26 |
0 |
0 |
0 |
| VODI |
2230 |
96 |
63 |
105 |
104 |
21 |
0 |
0 |
| ODI |
0 |
30 |
38 |
54 |
78 |
100 |
1 |
0 |
| CDI |
0 |
30 |
28 |
176 |
109 |
276 |
80 |
0 |
| VCDI |
0 |
3 |
9 |
20 |
112 |
1609 |
5552 |
114 |
|
...date precedes bulletin
|
Date: 2024-10-20:
| 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 |
86057 |
3510 |
19 |
15 |
1 |
0 |
0 |
0 |
| OW |
1762 |
321 |
65 |
56 |
17 |
1 |
0 |
0 |
| VODI |
2173 |
102 |
48 |
139 |
80 |
26 |
0 |
0 |
| ODI |
0 |
52 |
12 |
75 |
95 |
54 |
0 |
0 |
| CDI |
0 |
35 |
30 |
129 |
173 |
238 |
37 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
78 |
2518 |
4911 |
16 |
|
...date precedes bulletin
|
Date: 2024-10-22:
| 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 |
85695 |
3730 |
28 |
16 |
2 |
0 |
0 |
0 |
| OW |
1626 |
257 |
115 |
112 |
30 |
3 |
0 |
0 |
| VODI |
2383 |
20 |
28 |
172 |
168 |
17 |
0 |
0 |
| ODI |
0 |
4 |
8 |
65 |
189 |
48 |
0 |
0 |
| CDI |
0 |
0 |
0 |
28 |
206 |
1219 |
46 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
23 |
3054 |
3570 |
0 |
|
...date precedes bulletin
|
Date: 2024-10-24:
| 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 |
85408 |
3878 |
47 |
28 |
9 |
0 |
0 |
0 |
| OW |
1549 |
150 |
85 |
130 |
73 |
5 |
0 |
0 |
| VODI |
2474 |
27 |
17 |
112 |
152 |
39 |
0 |
0 |
| ODI |
0 |
12 |
6 |
31 |
132 |
72 |
0 |
0 |
| CDI |
0 |
9 |
8 |
26 |
140 |
377 |
24 |
0 |
| VCDI |
0 |
0 |
1 |
4 |
20 |
2722 |
4768 |
327 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85408 |
3868 |
50 |
38 |
8 |
0 |
0 |
0 |
| OW |
1559 |
160 |
77 |
130 |
87 |
6 |
0 |
0 |
| VODI |
2464 |
29 |
23 |
102 |
148 |
38 |
0 |
0 |
| ODI |
0 |
13 |
6 |
30 |
122 |
71 |
0 |
0 |
| CDI |
0 |
6 |
7 |
27 |
143 |
397 |
35 |
0 |
| VCDI |
0 |
0 |
1 |
4 |
18 |
2703 |
4757 |
327 |
|
Date: 2024-10-26:
| 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 |
85216 |
3836 |
39 |
24 |
0 |
0 |
0 |
0 |
| OW |
1431 |
227 |
60 |
104 |
57 |
1 |
0 |
0 |
| VODI |
2672 |
61 |
74 |
113 |
91 |
47 |
0 |
0 |
| ODI |
0 |
12 |
22 |
108 |
116 |
42 |
0 |
0 |
| CDI |
0 |
2 |
8 |
55 |
209 |
363 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
36 |
3299 |
4097 |
426 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
85217 |
3873 |
39 |
24 |
0 |
0 |
0 |
0 |
| OW |
1434 |
201 |
72 |
122 |
58 |
1 |
0 |
0 |
| VODI |
2668 |
53 |
66 |
109 |
92 |
46 |
0 |
0 |
| ODI |
0 |
10 |
19 |
100 |
117 |
22 |
0 |
0 |
| CDI |
0 |
1 |
7 |
53 |
203 |
392 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
39 |
3291 |
4095 |
426 |
|
Date: 2024-10-28:
| 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 |
84929 |
3957 |
33 |
31 |
1 |
0 |
0 |
0 |
| OW |
1367 |
295 |
56 |
95 |
51 |
16 |
0 |
0 |
| VODI |
2755 |
67 |
73 |
153 |
166 |
91 |
0 |
0 |
| ODI |
0 |
13 |
14 |
41 |
101 |
208 |
0 |
0 |
| CDI |
0 |
9 |
16 |
39 |
86 |
908 |
65 |
0 |
| VCDI |
0 |
0 |
4 |
12 |
53 |
2944 |
3953 |
260 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84930 |
3907 |
50 |
86 |
17 |
0 |
0 |
0 |
| OW |
1390 |
231 |
42 |
53 |
94 |
33 |
0 |
0 |
| VODI |
2731 |
114 |
44 |
67 |
49 |
117 |
0 |
0 |
| ODI |
0 |
56 |
26 |
71 |
79 |
80 |
0 |
0 |
| CDI |
0 |
33 |
30 |
74 |
146 |
493 |
47 |
0 |
| VCDI |
0 |
0 |
4 |
20 |
73 |
3444 |
3971 |
260 |
|
Date: 2024-10-30:
| 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 |
83805 |
4656 |
55 |
71 |
5 |
0 |
0 |
0 |
| OW |
1338 |
317 |
80 |
91 |
55 |
2 |
0 |
0 |
| VODI |
2796 |
74 |
69 |
156 |
134 |
87 |
0 |
0 |
| ODI |
0 |
8 |
24 |
95 |
133 |
186 |
5 |
0 |
| CDI |
0 |
0 |
1 |
44 |
185 |
1245 |
33 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
3335 |
3703 |
38 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83811 |
4539 |
74 |
132 |
46 |
22 |
0 |
0 |
| OW |
1352 |
288 |
26 |
37 |
80 |
51 |
0 |
0 |
| VODI |
2776 |
155 |
77 |
72 |
69 |
114 |
1 |
0 |
| ODI |
0 |
64 |
26 |
115 |
88 |
134 |
4 |
0 |
| CDI |
0 |
9 |
26 |
99 |
207 |
607 |
15 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
58 |
3927 |
3721 |
38 |
|
Date: 2024-11-01:
| 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 |
83060 |
4910 |
91 |
120 |
19 |
0 |
0 |
0 |
| OW |
1313 |
350 |
85 |
114 |
76 |
1 |
0 |
0 |
| VODI |
2826 |
110 |
79 |
162 |
163 |
36 |
0 |
0 |
| ODI |
0 |
12 |
27 |
118 |
127 |
216 |
8 |
0 |
| CDI |
0 |
0 |
4 |
54 |
245 |
972 |
103 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
38 |
3471 |
3800 |
152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83065 |
4821 |
140 |
216 |
84 |
8 |
0 |
0 |
| OW |
1337 |
333 |
24 |
63 |
116 |
23 |
1 |
0 |
| VODI |
2797 |
199 |
82 |
83 |
88 |
116 |
15 |
0 |
| ODI |
0 |
25 |
31 |
137 |
73 |
152 |
25 |
0 |
| CDI |
0 |
4 |
9 |
69 |
257 |
631 |
48 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
3766 |
3822 |
152 |
|
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