Validation of sea ice concentration - European sector
Bulletin date: 2023-11-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
78973 |
6027 |
130 |
131 |
29 |
26 |
2 |
0 |
| OW |
1164 |
339 |
131 |
184 |
114 |
62 |
2 |
0 |
| VODI |
3092 |
44 |
60 |
178 |
221 |
76 |
5 |
0 |
| ODI |
0 |
5 |
11 |
106 |
249 |
99 |
13 |
0 |
| CDI |
0 |
0 |
7 |
56 |
285 |
342 |
149 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
51 |
662 |
6697 |
3139 |
|
...date precedes bulletin
|
Date: 2023-11-05:
| 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 |
78730 |
5936 |
149 |
113 |
22 |
3 |
0 |
0 |
| OW |
1103 |
453 |
105 |
168 |
106 |
40 |
12 |
0 |
| VODI |
3252 |
100 |
68 |
146 |
155 |
68 |
0 |
0 |
| ODI |
0 |
22 |
28 |
98 |
175 |
124 |
2 |
0 |
| CDI |
0 |
8 |
12 |
69 |
239 |
565 |
98 |
0 |
| VCDI |
0 |
0 |
3 |
11 |
53 |
1202 |
6719 |
2705 |
|
...date precedes bulletin
|
Date: 2023-11-07:
| 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 |
77937 |
6435 |
180 |
200 |
58 |
1 |
0 |
0 |
| OW |
1115 |
473 |
96 |
126 |
91 |
22 |
10 |
0 |
| VODI |
3281 |
69 |
65 |
190 |
171 |
57 |
1 |
0 |
| ODI |
0 |
6 |
29 |
71 |
193 |
152 |
13 |
0 |
| CDI |
0 |
0 |
2 |
71 |
153 |
646 |
265 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
20 |
916 |
7234 |
2513 |
|
...date precedes bulletin
|
Date: 2023-11-09:
| 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 |
76912 |
6888 |
167 |
238 |
41 |
10 |
0 |
0 |
| OW |
1082 |
514 |
92 |
196 |
133 |
40 |
7 |
0 |
| VODI |
3295 |
111 |
71 |
174 |
156 |
113 |
10 |
0 |
| ODI |
0 |
13 |
24 |
94 |
163 |
197 |
0 |
0 |
| CDI |
0 |
5 |
10 |
60 |
124 |
712 |
390 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
32 |
784 |
7143 |
2861 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76897 |
6921 |
176 |
240 |
49 |
13 |
0 |
0 |
| OW |
1098 |
468 |
82 |
209 |
133 |
33 |
4 |
0 |
| VODI |
3294 |
119 |
67 |
163 |
168 |
124 |
13 |
0 |
| ODI |
0 |
17 |
25 |
88 |
150 |
216 |
1 |
0 |
| CDI |
0 |
6 |
14 |
62 |
113 |
657 |
299 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
36 |
813 |
7233 |
2861 |
|
Date: 2023-11-11:
| 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 |
75356 |
7938 |
123 |
135 |
86 |
3 |
0 |
0 |
| OW |
1035 |
676 |
140 |
240 |
130 |
64 |
11 |
0 |
| VODI |
3314 |
136 |
113 |
221 |
142 |
143 |
16 |
0 |
| ODI |
0 |
19 |
24 |
89 |
150 |
186 |
13 |
0 |
| CDI |
0 |
3 |
11 |
73 |
144 |
693 |
326 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
26 |
910 |
7808 |
2361 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75357 |
7977 |
147 |
188 |
99 |
8 |
0 |
0 |
| OW |
1036 |
610 |
105 |
182 |
129 |
64 |
12 |
0 |
| VODI |
3312 |
164 |
119 |
219 |
155 |
133 |
14 |
0 |
| ODI |
0 |
17 |
29 |
88 |
126 |
220 |
13 |
0 |
| CDI |
0 |
4 |
11 |
81 |
143 |
666 |
302 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
26 |
908 |
7833 |
2361 |
|
Date: 2023-11-13:
| 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 |
75884 |
6927 |
138 |
179 |
37 |
0 |
0 |
0 |
| OW |
1041 |
699 |
150 |
187 |
87 |
39 |
1 |
0 |
| VODI |
3325 |
132 |
133 |
461 |
186 |
67 |
2 |
0 |
| ODI |
0 |
7 |
17 |
137 |
326 |
193 |
2 |
0 |
| CDI |
0 |
0 |
0 |
24 |
181 |
922 |
202 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
8 |
563 |
7642 |
2963 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75836 |
6833 |
168 |
211 |
48 |
1 |
0 |
0 |
| OW |
1082 |
638 |
122 |
301 |
116 |
70 |
3 |
0 |
| VODI |
3332 |
254 |
113 |
267 |
209 |
112 |
1 |
0 |
| ODI |
0 |
38 |
27 |
117 |
203 |
175 |
4 |
0 |
| CDI |
0 |
2 |
8 |
90 |
208 |
746 |
169 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
41 |
680 |
7672 |
2963 |
|
Date: 2023-11-15:
| 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 |
73595 |
8375 |
195 |
311 |
166 |
2 |
0 |
0 |
| OW |
1016 |
549 |
114 |
217 |
291 |
28 |
0 |
0 |
| VODI |
3339 |
137 |
84 |
241 |
462 |
47 |
2 |
0 |
| ODI |
0 |
15 |
23 |
100 |
386 |
174 |
6 |
0 |
| CDI |
0 |
2 |
7 |
58 |
250 |
792 |
187 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
943 |
7727 |
3012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73594 |
8140 |
177 |
257 |
186 |
0 |
0 |
0 |
| OW |
1017 |
627 |
115 |
241 |
318 |
55 |
1 |
0 |
| VODI |
3339 |
253 |
64 |
225 |
447 |
104 |
5 |
0 |
| ODI |
0 |
45 |
50 |
109 |
328 |
182 |
14 |
0 |
| CDI |
0 |
13 |
17 |
87 |
258 |
659 |
173 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
27 |
986 |
7729 |
3012 |
|
Date: 2023-11-17:
| 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 |
73143 |
8267 |
178 |
344 |
103 |
7 |
0 |
0 |
| OW |
1012 |
557 |
142 |
315 |
242 |
52 |
1 |
0 |
| VODI |
3357 |
86 |
88 |
305 |
417 |
47 |
7 |
0 |
| ODI |
0 |
18 |
9 |
113 |
461 |
168 |
8 |
0 |
| CDI |
0 |
7 |
12 |
47 |
363 |
832 |
239 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
45 |
754 |
7837 |
3273 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73135 |
8075 |
177 |
352 |
161 |
3 |
0 |
0 |
| OW |
1021 |
585 |
100 |
196 |
297 |
95 |
9 |
0 |
| VODI |
3356 |
225 |
114 |
328 |
367 |
102 |
7 |
0 |
| ODI |
0 |
35 |
24 |
194 |
401 |
198 |
9 |
0 |
| CDI |
0 |
15 |
13 |
50 |
336 |
670 |
237 |
0 |
| VCDI |
0 |
0 |
1 |
10 |
69 |
792 |
7830 |
3273 |
|
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