Validation of sea ice concentration - European sector
Bulletin date: 2021-10-21
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-10-15:
| 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 |
95256 |
4318 |
39 |
217 |
103 |
0 |
0 |
0 |
| OW |
0 |
112 |
11 |
73 |
119 |
1 |
0 |
0 |
| VODI |
0 |
54 |
12 |
83 |
170 |
8 |
0 |
0 |
| ODI |
0 |
17 |
1 |
62 |
136 |
30 |
0 |
0 |
| CDI |
0 |
8 |
0 |
32 |
154 |
215 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
121 |
1415 |
2929 |
3393 |
|
...date precedes bulletin
|
Date: 2021-10-17:
| 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 |
95076 |
4230 |
36 |
182 |
88 |
0 |
0 |
0 |
| OW |
10 |
229 |
20 |
96 |
79 |
13 |
0 |
0 |
| VODI |
0 |
57 |
7 |
111 |
96 |
45 |
0 |
0 |
| ODI |
0 |
16 |
2 |
52 |
126 |
70 |
0 |
0 |
| CDI |
0 |
20 |
0 |
44 |
143 |
151 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
19 |
138 |
1650 |
2139 |
4155 |
|
...date precedes bulletin
|
Date: 2021-10-19:
| 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 |
94468 |
4623 |
39 |
304 |
72 |
0 |
0 |
0 |
| OW |
1 |
76 |
13 |
113 |
67 |
23 |
0 |
0 |
| VODI |
0 |
34 |
9 |
108 |
115 |
36 |
0 |
0 |
| ODI |
0 |
8 |
1 |
46 |
167 |
55 |
0 |
0 |
| CDI |
0 |
0 |
0 |
26 |
178 |
285 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
109 |
1551 |
4459 |
2095 |
|
...date precedes bulletin
|
Date: 2021-10-21:
| 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 |
93749 |
5100 |
43 |
324 |
73 |
0 |
0 |
0 |
| OW |
4 |
102 |
21 |
115 |
156 |
2 |
0 |
0 |
| VODI |
0 |
39 |
10 |
101 |
143 |
17 |
0 |
0 |
| ODI |
0 |
12 |
2 |
51 |
164 |
44 |
0 |
0 |
| CDI |
0 |
5 |
1 |
17 |
194 |
224 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
120 |
2687 |
4427 |
1139 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93749 |
5126 |
50 |
322 |
79 |
0 |
0 |
0 |
| OW |
4 |
76 |
15 |
109 |
142 |
6 |
0 |
0 |
| VODI |
0 |
39 |
10 |
104 |
145 |
11 |
0 |
0 |
| ODI |
0 |
12 |
1 |
50 |
153 |
43 |
0 |
0 |
| CDI |
0 |
4 |
0 |
20 |
204 |
204 |
0 |
0 |
| VCDI |
0 |
1 |
1 |
17 |
127 |
2710 |
4427 |
1139 |
|
Date: 2021-10-23:
| 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 |
93777 |
4901 |
41 |
242 |
128 |
3 |
0 |
0 |
| OW |
5 |
157 |
16 |
117 |
65 |
24 |
0 |
0 |
| VODI |
0 |
58 |
11 |
111 |
116 |
41 |
0 |
0 |
| ODI |
0 |
7 |
4 |
83 |
101 |
41 |
0 |
0 |
| CDI |
0 |
8 |
1 |
56 |
184 |
88 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
25 |
227 |
1835 |
3043 |
3584 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93762 |
4917 |
44 |
248 |
142 |
1 |
0 |
0 |
| OW |
20 |
135 |
12 |
110 |
63 |
15 |
0 |
0 |
| VODI |
0 |
61 |
11 |
107 |
118 |
39 |
0 |
0 |
| ODI |
0 |
13 |
6 |
90 |
98 |
50 |
0 |
0 |
| CDI |
0 |
5 |
0 |
61 |
189 |
84 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
18 |
211 |
1843 |
3043 |
3584 |
|
Date: 2021-10-25:
| 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 |
93208 |
5361 |
43 |
261 |
150 |
0 |
0 |
0 |
| OW |
7 |
92 |
13 |
102 |
91 |
5 |
0 |
0 |
| VODI |
0 |
30 |
12 |
129 |
197 |
19 |
0 |
0 |
| ODI |
0 |
3 |
1 |
48 |
201 |
71 |
0 |
0 |
| CDI |
0 |
0 |
0 |
20 |
159 |
224 |
9 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
79 |
946 |
4114 |
3497 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
93130 |
5322 |
40 |
263 |
195 |
0 |
0 |
0 |
| OW |
85 |
106 |
8 |
70 |
76 |
12 |
0 |
0 |
| VODI |
0 |
52 |
19 |
111 |
202 |
37 |
0 |
0 |
| ODI |
0 |
6 |
2 |
68 |
106 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
180 |
151 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
118 |
1006 |
4115 |
3497 |
|
Date: 2021-10-27:
| 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 |
92554 |
5873 |
63 |
324 |
168 |
16 |
0 |
0 |
| OW |
9 |
61 |
7 |
130 |
89 |
25 |
0 |
0 |
| VODI |
0 |
42 |
7 |
93 |
198 |
47 |
1 |
0 |
| ODI |
0 |
8 |
1 |
46 |
189 |
92 |
7 |
0 |
| CDI |
0 |
4 |
1 |
30 |
162 |
188 |
61 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
84 |
1466 |
3286 |
3758 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92435 |
5794 |
51 |
279 |
186 |
30 |
0 |
0 |
| OW |
122 |
102 |
13 |
102 |
56 |
30 |
0 |
0 |
| VODI |
6 |
61 |
8 |
119 |
216 |
48 |
1 |
0 |
| ODI |
0 |
22 |
5 |
63 |
112 |
77 |
23 |
0 |
| CDI |
0 |
8 |
1 |
40 |
171 |
113 |
41 |
0 |
| VCDI |
0 |
1 |
1 |
30 |
149 |
1536 |
3290 |
3758 |
|
Date: 2021-10-29:
| 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 |
92099 |
6143 |
48 |
277 |
230 |
33 |
0 |
0 |
| OW |
10 |
109 |
15 |
126 |
94 |
27 |
0 |
0 |
| VODI |
0 |
43 |
9 |
115 |
171 |
52 |
1 |
0 |
| ODI |
0 |
21 |
4 |
44 |
189 |
70 |
10 |
0 |
| CDI |
0 |
13 |
2 |
40 |
167 |
179 |
46 |
0 |
| VCDI |
0 |
2 |
0 |
20 |
114 |
1008 |
4192 |
3377 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
92100 |
5855 |
37 |
229 |
241 |
36 |
0 |
0 |
| OW |
9 |
283 |
15 |
84 |
68 |
31 |
0 |
0 |
| VODI |
0 |
97 |
13 |
134 |
114 |
49 |
2 |
0 |
| ODI |
0 |
40 |
4 |
54 |
198 |
79 |
14 |
0 |
| CDI |
0 |
29 |
4 |
46 |
130 |
109 |
44 |
0 |
| VCDI |
0 |
27 |
5 |
75 |
214 |
1065 |
4189 |
3377 |
|
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