Validation of sea ice concentration - European sector
Bulletin date: 2023-10-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-20:
| 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 |
88953 |
8067 |
283 |
161 |
177 |
48 |
0 |
0 |
| OW |
0 |
111 |
50 |
93 |
88 |
49 |
0 |
0 |
| VODI |
0 |
70 |
42 |
111 |
200 |
42 |
0 |
0 |
| ODI |
0 |
31 |
20 |
95 |
121 |
63 |
5 |
0 |
| CDI |
0 |
17 |
11 |
63 |
151 |
153 |
6 |
0 |
| VCDI |
0 |
8 |
15 |
53 |
229 |
3159 |
5422 |
933 |
|
...date precedes bulletin
|
Date: 2023-10-22:
| 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 |
92119 |
4939 |
107 |
105 |
79 |
91 |
13 |
0 |
| OW |
2 |
180 |
35 |
65 |
33 |
67 |
7 |
0 |
| VODI |
0 |
158 |
44 |
79 |
40 |
66 |
2 |
0 |
| ODI |
0 |
94 |
57 |
80 |
61 |
55 |
15 |
0 |
| CDI |
0 |
20 |
29 |
109 |
129 |
140 |
8 |
0 |
| VCDI |
0 |
2 |
6 |
101 |
378 |
2207 |
6224 |
1154 |
|
...date precedes bulletin
|
Date: 2023-10-24:
| 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 |
91809 |
5311 |
172 |
239 |
78 |
62 |
0 |
0 |
| OW |
2 |
105 |
57 |
145 |
44 |
34 |
7 |
0 |
| VODI |
0 |
39 |
55 |
146 |
72 |
63 |
2 |
0 |
| ODI |
0 |
10 |
17 |
79 |
86 |
85 |
5 |
0 |
| CDI |
0 |
2 |
11 |
90 |
194 |
516 |
0 |
0 |
| VCDI |
0 |
0 |
1 |
25 |
183 |
2279 |
6337 |
738 |
|
...date precedes bulletin
|
Date: 2023-10-26:
| 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 |
91437 |
5434 |
179 |
296 |
96 |
83 |
38 |
0 |
| OW |
4 |
102 |
57 |
136 |
55 |
46 |
20 |
0 |
| VODI |
0 |
47 |
51 |
186 |
56 |
66 |
20 |
0 |
| ODI |
0 |
13 |
20 |
91 |
70 |
85 |
27 |
0 |
| CDI |
0 |
5 |
10 |
94 |
172 |
248 |
92 |
0 |
| VCDI |
0 |
0 |
1 |
47 |
203 |
1944 |
4907 |
2662 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
91427 |
5418 |
179 |
298 |
101 |
80 |
36 |
0 |
| OW |
14 |
112 |
60 |
133 |
50 |
43 |
15 |
0 |
| VODI |
0 |
53 |
47 |
187 |
57 |
76 |
27 |
0 |
| ODI |
0 |
11 |
19 |
91 |
74 |
88 |
26 |
0 |
| CDI |
0 |
7 |
12 |
95 |
182 |
262 |
86 |
0 |
| VCDI |
0 |
0 |
1 |
46 |
188 |
1923 |
4914 |
2662 |
|
Date: 2023-10-28:
| 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 |
90609 |
6019 |
177 |
336 |
127 |
88 |
27 |
0 |
| OW |
6 |
80 |
48 |
136 |
39 |
32 |
14 |
0 |
| VODI |
0 |
45 |
27 |
207 |
87 |
95 |
20 |
0 |
| ODI |
0 |
4 |
23 |
120 |
83 |
103 |
15 |
0 |
| CDI |
0 |
3 |
9 |
57 |
180 |
248 |
87 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
124 |
1758 |
5549 |
2485 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90609 |
6004 |
180 |
349 |
127 |
88 |
29 |
0 |
| OW |
6 |
92 |
42 |
140 |
44 |
32 |
11 |
0 |
| VODI |
0 |
47 |
32 |
187 |
86 |
102 |
21 |
0 |
| ODI |
0 |
5 |
21 |
120 |
86 |
110 |
16 |
0 |
| CDI |
0 |
3 |
9 |
60 |
172 |
264 |
74 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
125 |
1728 |
5561 |
2485 |
|
Date: 2023-10-30:
| 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 |
90094 |
6284 |
219 |
345 |
204 |
85 |
16 |
0 |
| OW |
8 |
76 |
59 |
110 |
58 |
23 |
15 |
0 |
| VODI |
0 |
17 |
64 |
195 |
131 |
37 |
27 |
0 |
| ODI |
0 |
1 |
9 |
120 |
158 |
103 |
18 |
0 |
| CDI |
0 |
2 |
2 |
29 |
153 |
604 |
59 |
0 |
| VCDI |
0 |
0 |
3 |
17 |
98 |
887 |
6520 |
2250 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
90096 |
6220 |
211 |
352 |
231 |
113 |
58 |
0 |
| OW |
6 |
106 |
50 |
97 |
56 |
28 |
18 |
0 |
| VODI |
0 |
43 |
58 |
127 |
93 |
98 |
50 |
0 |
| ODI |
0 |
8 |
17 |
157 |
95 |
115 |
25 |
0 |
| CDI |
0 |
0 |
11 |
45 |
160 |
336 |
92 |
0 |
| VCDI |
0 |
3 |
9 |
38 |
167 |
1049 |
6412 |
2250 |
|
Date: 2023-11-01:
| 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 |
88546 |
7621 |
254 |
310 |
147 |
117 |
39 |
0 |
| OW |
9 |
60 |
60 |
132 |
85 |
22 |
16 |
0 |
| VODI |
0 |
21 |
38 |
193 |
137 |
43 |
18 |
0 |
| ODI |
0 |
11 |
19 |
123 |
125 |
77 |
38 |
0 |
| CDI |
0 |
9 |
12 |
42 |
80 |
370 |
88 |
0 |
| VCDI |
0 |
0 |
5 |
33 |
103 |
936 |
7432 |
1729 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88547 |
7434 |
217 |
293 |
168 |
151 |
77 |
0 |
| OW |
8 |
208 |
57 |
91 |
73 |
27 |
26 |
0 |
| VODI |
0 |
54 |
56 |
130 |
93 |
64 |
66 |
0 |
| ODI |
0 |
10 |
32 |
152 |
98 |
95 |
55 |
0 |
| CDI |
0 |
12 |
14 |
112 |
100 |
305 |
117 |
0 |
| VCDI |
0 |
4 |
12 |
55 |
145 |
923 |
7290 |
1729 |
|
Date: 2023-11-03:
| 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 |
89132 |
6678 |
265 |
334 |
197 |
167 |
28 |
0 |
| OW |
11 |
42 |
48 |
114 |
125 |
31 |
21 |
0 |
| VODI |
0 |
18 |
20 |
114 |
156 |
55 |
21 |
0 |
| ODI |
0 |
1 |
5 |
54 |
231 |
74 |
38 |
0 |
| CDI |
0 |
0 |
1 |
31 |
139 |
232 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
101 |
708 |
6625 |
3139 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89134 |
6511 |
210 |
288 |
197 |
205 |
77 |
0 |
| OW |
9 |
176 |
69 |
97 |
68 |
31 |
31 |
0 |
| VODI |
0 |
42 |
49 |
130 |
142 |
46 |
51 |
0 |
| ODI |
0 |
10 |
6 |
77 |
126 |
58 |
93 |
0 |
| CDI |
0 |
0 |
5 |
38 |
250 |
210 |
157 |
0 |
| VCDI |
0 |
0 |
0 |
26 |
166 |
717 |
6459 |
3139 |
|
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