Validation of sea ice concentration - European sector
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
85820 |
8827 |
243 |
353 |
259 |
170 |
18 |
0 |
| OW |
32 |
263 |
103 |
163 |
70 |
106 |
3 |
0 |
| VODI |
0 |
18 |
28 |
139 |
130 |
176 |
15 |
0 |
| ODI |
0 |
2 |
11 |
41 |
56 |
136 |
38 |
0 |
| CDI |
0 |
0 |
0 |
29 |
80 |
193 |
99 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
31 |
1048 |
7879 |
2516 |
|
...date precedes bulletin
|
Date: 2023-11-12:
| 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 |
85727 |
8228 |
262 |
440 |
282 |
204 |
25 |
0 |
| OW |
35 |
231 |
130 |
278 |
74 |
137 |
5 |
0 |
| VODI |
0 |
100 |
38 |
190 |
136 |
188 |
13 |
0 |
| ODI |
0 |
3 |
9 |
58 |
60 |
165 |
46 |
0 |
| CDI |
0 |
0 |
3 |
42 |
81 |
166 |
121 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
58 |
929 |
7602 |
3025 |
|
...date precedes bulletin
|
Date: 2023-11-14:
| 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 |
84356 |
9228 |
259 |
497 |
237 |
131 |
0 |
0 |
| OW |
37 |
207 |
112 |
242 |
84 |
17 |
2 |
0 |
| VODI |
0 |
63 |
53 |
194 |
168 |
82 |
3 |
0 |
| ODI |
0 |
8 |
15 |
85 |
228 |
182 |
7 |
0 |
| CDI |
0 |
1 |
3 |
43 |
100 |
424 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
59 |
1019 |
8100 |
2799 |
|
...date precedes bulletin
|
Date: 2023-11-16:
| 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 |
82596 |
9522 |
394 |
799 |
650 |
130 |
12 |
0 |
| OW |
40 |
181 |
52 |
143 |
350 |
49 |
3 |
0 |
| VODI |
0 |
52 |
44 |
121 |
378 |
82 |
7 |
0 |
| ODI |
0 |
15 |
13 |
52 |
187 |
174 |
6 |
0 |
| CDI |
0 |
4 |
6 |
29 |
185 |
368 |
41 |
0 |
| VCDI |
0 |
0 |
2 |
15 |
97 |
1509 |
7856 |
2936 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82596 |
9493 |
392 |
843 |
755 |
141 |
14 |
0 |
| OW |
40 |
200 |
56 |
115 |
346 |
45 |
2 |
0 |
| VODI |
0 |
60 |
35 |
103 |
312 |
94 |
8 |
0 |
| ODI |
0 |
17 |
20 |
54 |
162 |
171 |
5 |
0 |
| CDI |
0 |
4 |
6 |
28 |
169 |
346 |
33 |
0 |
| VCDI |
0 |
0 |
2 |
16 |
103 |
1515 |
7863 |
2936 |
|
Date: 2023-11-18:
| 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 |
82684 |
9663 |
297 |
532 |
299 |
190 |
19 |
0 |
| OW |
42 |
235 |
94 |
362 |
208 |
52 |
9 |
0 |
| VODI |
0 |
65 |
53 |
273 |
266 |
70 |
24 |
0 |
| ODI |
0 |
12 |
10 |
48 |
198 |
161 |
27 |
0 |
| CDI |
0 |
3 |
6 |
32 |
122 |
402 |
142 |
0 |
| VCDI |
0 |
0 |
0 |
10 |
82 |
1049 |
7958 |
3401 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82682 |
9601 |
313 |
693 |
334 |
204 |
24 |
0 |
| OW |
44 |
307 |
80 |
253 |
198 |
41 |
8 |
0 |
| VODI |
0 |
55 |
52 |
230 |
276 |
76 |
24 |
0 |
| ODI |
0 |
11 |
6 |
38 |
179 |
177 |
25 |
0 |
| CDI |
0 |
4 |
9 |
31 |
106 |
389 |
139 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
82 |
1037 |
7959 |
3401 |
|
Date: 2023-11-20:
| 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 |
82107 |
10187 |
292 |
361 |
326 |
159 |
20 |
0 |
| OW |
41 |
192 |
123 |
345 |
117 |
26 |
2 |
0 |
| VODI |
0 |
33 |
62 |
422 |
428 |
88 |
10 |
0 |
| ODI |
0 |
6 |
5 |
66 |
280 |
193 |
10 |
0 |
| CDI |
0 |
1 |
4 |
32 |
116 |
419 |
91 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
49 |
1088 |
8356 |
3039 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82106 |
9972 |
302 |
480 |
418 |
209 |
28 |
0 |
| OW |
42 |
341 |
103 |
312 |
144 |
31 |
12 |
0 |
| VODI |
0 |
91 |
65 |
299 |
304 |
98 |
20 |
0 |
| ODI |
0 |
9 |
9 |
81 |
168 |
154 |
26 |
0 |
| CDI |
0 |
5 |
5 |
40 |
193 |
335 |
90 |
0 |
| VCDI |
0 |
1 |
2 |
18 |
89 |
1146 |
8313 |
3039 |
|
Date: 2023-11-22:
| 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 |
80954 |
10802 |
473 |
540 |
263 |
150 |
42 |
0 |
| OW |
44 |
178 |
142 |
341 |
149 |
26 |
5 |
0 |
| VODI |
0 |
56 |
50 |
277 |
497 |
51 |
3 |
0 |
| ODI |
0 |
17 |
13 |
96 |
436 |
114 |
11 |
0 |
| CDI |
0 |
11 |
7 |
38 |
265 |
285 |
29 |
0 |
| VCDI |
0 |
7 |
6 |
27 |
298 |
3150 |
6880 |
2367 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80967 |
10470 |
485 |
588 |
376 |
215 |
51 |
0 |
| OW |
31 |
376 |
84 |
305 |
187 |
19 |
11 |
0 |
| VODI |
0 |
159 |
76 |
215 |
522 |
100 |
18 |
0 |
| ODI |
0 |
28 |
22 |
106 |
195 |
128 |
7 |
0 |
| CDI |
0 |
19 |
14 |
64 |
226 |
202 |
18 |
0 |
| VCDI |
0 |
19 |
10 |
41 |
402 |
3112 |
6865 |
2367 |
|
Date: 2023-11-24:
| 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 |
82591 |
9417 |
200 |
320 |
349 |
165 |
41 |
0 |
| OW |
36 |
547 |
111 |
204 |
66 |
22 |
10 |
0 |
| VODI |
0 |
199 |
95 |
248 |
331 |
95 |
11 |
0 |
| ODI |
0 |
87 |
45 |
115 |
251 |
221 |
16 |
0 |
| CDI |
0 |
67 |
36 |
133 |
168 |
248 |
1 |
0 |
| VCDI |
0 |
65 |
48 |
257 |
456 |
2665 |
7870 |
1293 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82580 |
9131 |
213 |
404 |
394 |
217 |
53 |
0 |
| OW |
47 |
570 |
77 |
211 |
152 |
54 |
8 |
0 |
| VODI |
0 |
336 |
72 |
118 |
307 |
223 |
10 |
0 |
| ODI |
0 |
128 |
59 |
87 |
150 |
134 |
11 |
0 |
| CDI |
0 |
99 |
46 |
141 |
89 |
180 |
11 |
0 |
| VCDI |
0 |
118 |
68 |
316 |
529 |
2608 |
7856 |
1293 |
|
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