Validation of sea ice concentration - European sector
Bulletin date: 2024-01-04
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-29:
| 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 |
65575 |
10864 |
152 |
117 |
18 |
0 |
0 |
0 |
| OW |
938 |
999 |
108 |
203 |
83 |
28 |
0 |
0 |
| VODI |
1841 |
482 |
161 |
232 |
164 |
60 |
18 |
0 |
| ODI |
1848 |
173 |
51 |
215 |
309 |
110 |
21 |
0 |
| CDI |
0 |
132 |
49 |
149 |
449 |
834 |
625 |
0 |
| VCDI |
0 |
59 |
41 |
167 |
517 |
3243 |
8255 |
3572 |
|
...date precedes bulletin
|
Date: 2023-12-31:
| 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 |
64864 |
11359 |
129 |
143 |
34 |
6 |
0 |
0 |
| OW |
909 |
1063 |
95 |
129 |
102 |
23 |
1 |
0 |
| VODI |
1815 |
685 |
123 |
189 |
138 |
56 |
16 |
0 |
| ODI |
1875 |
305 |
61 |
185 |
248 |
99 |
33 |
0 |
| CDI |
0 |
271 |
110 |
232 |
412 |
982 |
408 |
0 |
| VCDI |
0 |
132 |
80 |
293 |
579 |
2917 |
8657 |
3104 |
|
...date precedes bulletin
|
Date: 2024-01-02:
| 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 |
64157 |
12088 |
144 |
82 |
9 |
0 |
0 |
0 |
| OW |
982 |
1217 |
182 |
211 |
58 |
1 |
0 |
0 |
| VODI |
1850 |
447 |
181 |
325 |
176 |
65 |
7 |
0 |
| ODI |
1884 |
160 |
77 |
285 |
237 |
139 |
15 |
0 |
| CDI |
0 |
80 |
93 |
339 |
697 |
899 |
476 |
0 |
| VCDI |
0 |
11 |
18 |
111 |
413 |
2285 |
10431 |
2030 |
|
...date precedes bulletin
|
Date: 2024-01-04:
| 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 |
63298 |
12352 |
151 |
122 |
8 |
0 |
0 |
0 |
| OW |
899 |
1065 |
199 |
284 |
145 |
11 |
0 |
0 |
| VODI |
1912 |
429 |
159 |
323 |
251 |
51 |
15 |
0 |
| ODI |
1920 |
201 |
72 |
225 |
276 |
124 |
20 |
0 |
| CDI |
0 |
129 |
49 |
237 |
578 |
957 |
472 |
0 |
| VCDI |
0 |
5 |
11 |
101 |
353 |
2474 |
10262 |
2722 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63300 |
12366 |
159 |
129 |
8 |
0 |
0 |
0 |
| OW |
914 |
1064 |
197 |
293 |
135 |
12 |
0 |
0 |
| VODI |
1902 |
430 |
154 |
316 |
268 |
54 |
20 |
0 |
| ODI |
1913 |
199 |
73 |
209 |
251 |
121 |
16 |
0 |
| CDI |
0 |
113 |
45 |
245 |
577 |
939 |
468 |
0 |
| VCDI |
0 |
9 |
13 |
100 |
372 |
2491 |
10265 |
2722 |
|
Date: 2024-01-06:
| 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 |
62088 |
12277 |
189 |
194 |
49 |
0 |
0 |
0 |
| OW |
834 |
1124 |
222 |
289 |
148 |
47 |
2 |
0 |
| VODI |
1813 |
462 |
143 |
330 |
301 |
110 |
23 |
0 |
| ODI |
1982 |
215 |
74 |
182 |
330 |
255 |
33 |
0 |
| CDI |
0 |
162 |
74 |
252 |
584 |
1255 |
898 |
0 |
| VCDI |
0 |
13 |
3 |
41 |
286 |
2136 |
10329 |
3113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62094 |
12335 |
200 |
200 |
60 |
0 |
0 |
0 |
| OW |
834 |
1098 |
218 |
297 |
141 |
52 |
2 |
0 |
| VODI |
1813 |
446 |
139 |
319 |
302 |
112 |
29 |
0 |
| ODI |
1976 |
211 |
69 |
177 |
317 |
235 |
38 |
0 |
| CDI |
0 |
155 |
76 |
236 |
561 |
1299 |
947 |
0 |
| VCDI |
0 |
8 |
3 |
59 |
317 |
2105 |
10269 |
3113 |
|
Date: 2024-01-08:
| 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 |
62008 |
12392 |
268 |
93 |
8 |
0 |
0 |
0 |
| OW |
796 |
1484 |
220 |
212 |
47 |
9 |
0 |
0 |
| VODI |
1756 |
280 |
212 |
501 |
337 |
57 |
6 |
0 |
| ODI |
1956 |
22 |
46 |
228 |
545 |
247 |
13 |
0 |
| CDI |
0 |
1 |
12 |
140 |
567 |
1738 |
576 |
0 |
| VCDI |
0 |
0 |
0 |
14 |
163 |
1921 |
9427 |
4560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62070 |
11904 |
292 |
141 |
21 |
0 |
0 |
0 |
| OW |
836 |
1252 |
144 |
238 |
108 |
20 |
2 |
0 |
| VODI |
1863 |
657 |
145 |
275 |
297 |
69 |
13 |
0 |
| ODI |
1747 |
225 |
82 |
187 |
356 |
199 |
25 |
0 |
| CDI |
0 |
101 |
70 |
280 |
626 |
1450 |
1059 |
8 |
| VCDI |
0 |
40 |
25 |
67 |
259 |
2234 |
8923 |
4552 |
|
Date: 2024-01-10:
| 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 |
61126 |
13161 |
98 |
113 |
33 |
5 |
1 |
0 |
| OW |
776 |
1346 |
241 |
231 |
90 |
9 |
4 |
0 |
| VODI |
1861 |
432 |
216 |
423 |
277 |
58 |
12 |
0 |
| ODI |
1727 |
93 |
75 |
271 |
405 |
326 |
16 |
0 |
| CDI |
0 |
50 |
51 |
175 |
568 |
1365 |
320 |
0 |
| VCDI |
0 |
3 |
15 |
52 |
321 |
2376 |
9460 |
4680 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61126 |
12383 |
108 |
111 |
48 |
7 |
3 |
0 |
| OW |
770 |
1420 |
175 |
196 |
78 |
16 |
7 |
0 |
| VODI |
1848 |
794 |
154 |
322 |
298 |
81 |
15 |
0 |
| ODI |
1746 |
300 |
116 |
228 |
289 |
261 |
30 |
0 |
| CDI |
0 |
173 |
110 |
299 |
631 |
1492 |
508 |
0 |
| VCDI |
0 |
15 |
33 |
109 |
350 |
2282 |
9250 |
4680 |
|
Date: 2024-01-12:
| 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 |
60971 |
12772 |
113 |
92 |
22 |
9 |
0 |
0 |
| OW |
815 |
1434 |
159 |
201 |
67 |
13 |
5 |
0 |
| VODI |
1850 |
629 |
197 |
391 |
271 |
46 |
21 |
0 |
| ODI |
1738 |
213 |
94 |
223 |
384 |
356 |
23 |
0 |
| CDI |
0 |
112 |
78 |
255 |
492 |
1279 |
731 |
0 |
| VCDI |
0 |
4 |
10 |
100 |
287 |
2096 |
11764 |
2545 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60954 |
11889 |
160 |
189 |
49 |
12 |
0 |
0 |
| OW |
811 |
1565 |
114 |
226 |
157 |
40 |
8 |
0 |
| VODI |
1858 |
913 |
144 |
236 |
284 |
155 |
28 |
0 |
| ODI |
1751 |
431 |
90 |
164 |
252 |
343 |
39 |
0 |
| CDI |
0 |
356 |
126 |
334 |
425 |
1134 |
799 |
0 |
| VCDI |
0 |
10 |
17 |
113 |
356 |
2115 |
11670 |
2545 |
|
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