Validation of sea ice concentration - European sector
Bulletin date: 2023-10-12
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-06:
| 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 |
84208 |
4089 |
76 |
169 |
123 |
15 |
0 |
0 |
| OW |
0 |
365 |
64 |
163 |
54 |
44 |
3 |
0 |
| VODI |
0 |
166 |
87 |
103 |
78 |
43 |
10 |
0 |
| ODI |
0 |
8 |
54 |
148 |
36 |
61 |
6 |
0 |
| CDI |
0 |
0 |
9 |
215 |
394 |
132 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
48 |
1470 |
6941 |
1020 |
|
...date precedes bulletin
|
Date: 2023-10-08:
| 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 |
84659 |
3548 |
53 |
125 |
117 |
0 |
0 |
0 |
| OW |
0 |
418 |
76 |
189 |
87 |
18 |
0 |
0 |
| VODI |
0 |
159 |
43 |
152 |
130 |
34 |
0 |
0 |
| ODI |
0 |
50 |
50 |
100 |
88 |
18 |
1 |
0 |
| CDI |
0 |
10 |
35 |
205 |
328 |
154 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
17 |
85 |
1700 |
6469 |
1271 |
|
...date precedes bulletin
|
Date: 2023-10-10:
| 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 |
83528 |
4774 |
109 |
190 |
13 |
0 |
0 |
0 |
| OW |
0 |
264 |
104 |
268 |
39 |
0 |
0 |
0 |
| VODI |
0 |
7 |
32 |
319 |
131 |
7 |
0 |
0 |
| ODI |
0 |
0 |
13 |
81 |
255 |
22 |
0 |
0 |
| CDI |
0 |
0 |
1 |
95 |
425 |
319 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
30 |
1308 |
6192 |
1890 |
|
...date precedes bulletin
|
Date: 2023-10-12:
| 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 |
83741 |
4721 |
115 |
46 |
3 |
0 |
0 |
0 |
| OW |
0 |
206 |
109 |
225 |
1 |
0 |
0 |
0 |
| VODI |
0 |
24 |
48 |
308 |
147 |
0 |
0 |
0 |
| ODI |
0 |
2 |
23 |
116 |
203 |
42 |
0 |
0 |
| CDI |
0 |
0 |
5 |
137 |
414 |
200 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
127 |
1347 |
5883 |
2218 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
83741 |
4751 |
130 |
51 |
3 |
0 |
0 |
0 |
| OW |
0 |
185 |
98 |
222 |
2 |
0 |
0 |
0 |
| VODI |
0 |
16 |
46 |
305 |
159 |
0 |
0 |
0 |
| ODI |
0 |
1 |
22 |
132 |
203 |
47 |
0 |
0 |
| CDI |
0 |
0 |
4 |
124 |
410 |
211 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
118 |
1331 |
5883 |
2218 |
|
Date: 2023-10-14:
| 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 |
84104 |
4337 |
102 |
41 |
0 |
0 |
0 |
0 |
| OW |
0 |
251 |
52 |
166 |
29 |
0 |
0 |
0 |
| VODI |
0 |
127 |
60 |
136 |
132 |
65 |
0 |
0 |
| ODI |
0 |
26 |
61 |
113 |
95 |
55 |
0 |
0 |
| CDI |
0 |
0 |
19 |
260 |
235 |
201 |
39 |
0 |
| VCDI |
0 |
0 |
0 |
56 |
241 |
1584 |
5383 |
2446 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84104 |
4385 |
112 |
55 |
0 |
0 |
0 |
0 |
| OW |
0 |
228 |
50 |
156 |
25 |
0 |
0 |
0 |
| VODI |
0 |
111 |
64 |
142 |
136 |
74 |
0 |
0 |
| ODI |
0 |
16 |
59 |
98 |
108 |
65 |
0 |
0 |
| CDI |
0 |
1 |
9 |
241 |
210 |
204 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
80 |
253 |
1562 |
5381 |
2446 |
|
Date: 2023-10-16:
| 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 |
84394 |
4164 |
89 |
14 |
4 |
0 |
0 |
0 |
| OW |
0 |
290 |
157 |
138 |
5 |
0 |
0 |
0 |
| VODI |
0 |
19 |
67 |
323 |
60 |
0 |
0 |
0 |
| ODI |
0 |
4 |
11 |
192 |
141 |
18 |
0 |
0 |
| CDI |
0 |
0 |
0 |
166 |
355 |
315 |
27 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
129 |
1698 |
4917 |
2714 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
84394 |
4100 |
85 |
30 |
4 |
0 |
0 |
0 |
| OW |
0 |
198 |
68 |
100 |
21 |
0 |
0 |
0 |
| VODI |
0 |
135 |
72 |
132 |
100 |
48 |
0 |
0 |
| ODI |
0 |
39 |
60 |
139 |
90 |
34 |
0 |
0 |
| CDI |
0 |
5 |
39 |
291 |
184 |
188 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
146 |
295 |
1761 |
4860 |
2714 |
|
Date: 2023-10-18:
| 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 |
81643 |
6578 |
140 |
261 |
11 |
0 |
0 |
0 |
| OW |
0 |
166 |
79 |
221 |
15 |
0 |
0 |
0 |
| VODI |
0 |
49 |
30 |
213 |
87 |
1 |
0 |
0 |
| ODI |
0 |
16 |
22 |
96 |
230 |
20 |
0 |
0 |
| CDI |
0 |
0 |
5 |
119 |
505 |
317 |
8 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
177 |
2136 |
5124 |
2147 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81643 |
6510 |
149 |
269 |
13 |
0 |
0 |
0 |
| OW |
0 |
168 |
46 |
150 |
23 |
0 |
0 |
0 |
| VODI |
0 |
116 |
27 |
155 |
81 |
9 |
0 |
0 |
| ODI |
0 |
15 |
41 |
133 |
141 |
47 |
0 |
0 |
| CDI |
0 |
0 |
13 |
169 |
366 |
279 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
34 |
401 |
2139 |
5126 |
2147 |
|
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 |
81814 |
5935 |
196 |
241 |
3 |
0 |
0 |
0 |
| OW |
0 |
203 |
85 |
212 |
20 |
0 |
0 |
0 |
| VODI |
0 |
71 |
47 |
270 |
69 |
0 |
0 |
0 |
| ODI |
0 |
34 |
14 |
168 |
260 |
14 |
0 |
0 |
| CDI |
0 |
5 |
14 |
174 |
611 |
433 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
150 |
2782 |
4866 |
1712 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81793 |
6085 |
237 |
407 |
4 |
0 |
0 |
0 |
| OW |
21 |
83 |
55 |
188 |
51 |
0 |
0 |
0 |
| VODI |
0 |
54 |
28 |
168 |
140 |
4 |
0 |
0 |
| ODI |
0 |
26 |
20 |
88 |
246 |
37 |
0 |
0 |
| CDI |
0 |
0 |
15 |
101 |
345 |
522 |
2 |
0 |
| VCDI |
0 |
0 |
1 |
126 |
327 |
2666 |
4864 |
1712 |
|
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