Validation of sea ice concentration - European sector
Bulletin date: 2023-11-02
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-27:
| 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 |
90786 |
5815 |
252 |
408 |
114 |
69 |
4 |
0 |
| OW |
6 |
54 |
63 |
202 |
42 |
29 |
16 |
0 |
| VODI |
0 |
2 |
41 |
271 |
80 |
42 |
38 |
0 |
| ODI |
0 |
0 |
1 |
115 |
99 |
59 |
35 |
0 |
| CDI |
0 |
0 |
0 |
82 |
278 |
95 |
117 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
255 |
1976 |
4000 |
3639 |
|
...date precedes bulletin
|
Date: 2023-10-29:
| 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 |
90850 |
5544 |
233 |
428 |
174 |
50 |
32 |
0 |
| OW |
6 |
53 |
50 |
145 |
71 |
13 |
27 |
0 |
| VODI |
0 |
4 |
32 |
236 |
119 |
46 |
46 |
0 |
| ODI |
0 |
0 |
2 |
122 |
133 |
64 |
45 |
0 |
| CDI |
0 |
0 |
0 |
59 |
225 |
201 |
95 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
199 |
932 |
3878 |
4963 |
|
...date precedes bulletin
|
Date: 2023-10-31:
| 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 |
89476 |
6698 |
332 |
438 |
181 |
65 |
8 |
0 |
| OW |
9 |
10 |
46 |
193 |
65 |
20 |
5 |
0 |
| VODI |
0 |
1 |
8 |
272 |
142 |
22 |
14 |
0 |
| ODI |
0 |
0 |
0 |
145 |
171 |
69 |
23 |
0 |
| CDI |
0 |
0 |
0 |
30 |
209 |
369 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
151 |
868 |
6257 |
2733 |
|
...date precedes bulletin
|
Date: 2023-11-02:
| 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 |
89260 |
6500 |
330 |
493 |
177 |
115 |
18 |
0 |
| OW |
9 |
14 |
44 |
216 |
89 |
18 |
8 |
0 |
| VODI |
0 |
2 |
3 |
198 |
187 |
23 |
15 |
0 |
| ODI |
0 |
0 |
0 |
93 |
237 |
32 |
29 |
0 |
| CDI |
0 |
0 |
0 |
45 |
238 |
248 |
60 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
146 |
751 |
4862 |
4632 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
89252 |
6500 |
330 |
506 |
197 |
120 |
19 |
0 |
| OW |
17 |
16 |
46 |
223 |
78 |
14 |
8 |
0 |
| VODI |
0 |
0 |
1 |
204 |
207 |
23 |
16 |
0 |
| ODI |
0 |
0 |
0 |
72 |
231 |
34 |
32 |
0 |
| CDI |
0 |
0 |
0 |
33 |
208 |
271 |
84 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
153 |
725 |
4833 |
4632 |
|
Date: 2023-11-04:
| 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 |
88345 |
7010 |
368 |
561 |
258 |
118 |
2 |
0 |
| OW |
12 |
21 |
57 |
180 |
122 |
30 |
6 |
0 |
| VODI |
0 |
0 |
1 |
137 |
197 |
31 |
6 |
0 |
| ODI |
0 |
0 |
0 |
62 |
261 |
47 |
14 |
0 |
| CDI |
0 |
0 |
0 |
16 |
216 |
148 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
104 |
1126 |
6277 |
3336 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
88338 |
7015 |
374 |
566 |
319 |
129 |
4 |
0 |
| OW |
19 |
16 |
52 |
185 |
97 |
23 |
5 |
0 |
| VODI |
0 |
0 |
0 |
149 |
213 |
30 |
8 |
0 |
| ODI |
0 |
0 |
0 |
51 |
260 |
46 |
16 |
0 |
| CDI |
0 |
0 |
0 |
5 |
184 |
156 |
39 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
85 |
1116 |
6264 |
3336 |
|
Date: 2023-11-06:
| 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 |
87422 |
7921 |
356 |
438 |
279 |
44 |
0 |
0 |
| OW |
29 |
59 |
46 |
182 |
118 |
21 |
0 |
0 |
| VODI |
0 |
3 |
28 |
140 |
119 |
49 |
0 |
0 |
| ODI |
0 |
0 |
4 |
82 |
148 |
103 |
0 |
0 |
| CDI |
0 |
0 |
0 |
36 |
152 |
337 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
21 |
132 |
1207 |
5647 |
3976 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
87419 |
7875 |
340 |
485 |
395 |
83 |
0 |
0 |
| OW |
32 |
64 |
45 |
146 |
85 |
48 |
0 |
0 |
| VODI |
0 |
34 |
26 |
111 |
97 |
84 |
0 |
0 |
| ODI |
0 |
9 |
9 |
61 |
103 |
121 |
1 |
0 |
| CDI |
0 |
1 |
14 |
52 |
102 |
197 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
166 |
1228 |
5635 |
3976 |
|
Date: 2023-11-08:
| 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 |
86561 |
8289 |
372 |
487 |
300 |
79 |
0 |
0 |
| OW |
29 |
74 |
87 |
221 |
126 |
45 |
0 |
0 |
| VODI |
0 |
5 |
18 |
145 |
183 |
67 |
0 |
0 |
| ODI |
0 |
0 |
1 |
75 |
133 |
80 |
2 |
0 |
| CDI |
0 |
0 |
0 |
39 |
177 |
250 |
7 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
80 |
1176 |
5808 |
4184 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86560 |
8201 |
349 |
545 |
397 |
143 |
0 |
0 |
| OW |
30 |
138 |
80 |
110 |
119 |
43 |
1 |
0 |
| VODI |
0 |
28 |
37 |
171 |
144 |
81 |
3 |
0 |
| ODI |
0 |
1 |
11 |
70 |
83 |
105 |
8 |
0 |
| CDI |
0 |
0 |
1 |
55 |
120 |
197 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
16 |
136 |
1128 |
5783 |
4184 |
|
Date: 2023-11-10:
| 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 |
86573 |
7718 |
383 |
563 |
310 |
143 |
0 |
0 |
| OW |
65 |
181 |
91 |
234 |
88 |
80 |
1 |
0 |
| VODI |
0 |
0 |
5 |
191 |
192 |
113 |
5 |
0 |
| ODI |
0 |
0 |
0 |
45 |
104 |
128 |
7 |
0 |
| CDI |
0 |
0 |
0 |
26 |
114 |
227 |
34 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
84 |
1014 |
6095 |
4285 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
86605 |
7704 |
371 |
609 |
345 |
183 |
4 |
0 |
| OW |
33 |
167 |
54 |
147 |
107 |
92 |
6 |
0 |
| VODI |
0 |
28 |
47 |
188 |
173 |
138 |
13 |
0 |
| ODI |
0 |
0 |
7 |
53 |
86 |
122 |
20 |
0 |
| CDI |
0 |
0 |
0 |
35 |
75 |
164 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
28 |
106 |
1006 |
6045 |
4285 |
|
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