Validation of sea ice concentration - European sector
Bulletin date: 2023-11-09
Data source: OSI SAF N.H. multi-product 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 |
80818 |
5680 |
159 |
238 |
24 |
32 |
0 |
0 |
| OW |
19 |
193 |
151 |
347 |
126 |
33 |
0 |
0 |
| VODI |
2 |
11 |
19 |
304 |
230 |
28 |
0 |
0 |
| ODI |
0 |
0 |
1 |
92 |
341 |
59 |
0 |
0 |
| CDI |
0 |
0 |
0 |
24 |
420 |
341 |
58 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
63 |
750 |
5358 |
4495 |
|
...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 |
80323 |
5941 |
147 |
229 |
19 |
0 |
0 |
0 |
| OW |
25 |
356 |
95 |
283 |
136 |
33 |
0 |
0 |
| VODI |
7 |
49 |
88 |
207 |
186 |
20 |
0 |
0 |
| ODI |
0 |
4 |
15 |
127 |
262 |
54 |
0 |
0 |
| CDI |
0 |
0 |
2 |
86 |
369 |
523 |
22 |
0 |
| VCDI |
0 |
0 |
0 |
9 |
123 |
1204 |
5260 |
4212 |
|
...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 |
79810 |
6219 |
183 |
248 |
59 |
0 |
0 |
0 |
| OW |
60 |
307 |
156 |
249 |
89 |
29 |
0 |
0 |
| VODI |
6 |
5 |
51 |
294 |
211 |
15 |
0 |
0 |
| ODI |
0 |
0 |
0 |
103 |
311 |
58 |
0 |
0 |
| CDI |
0 |
0 |
0 |
62 |
266 |
686 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
911 |
5795 |
4057 |
|
...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 |
78576 |
6828 |
177 |
328 |
45 |
0 |
0 |
0 |
| OW |
52 |
376 |
128 |
315 |
132 |
39 |
0 |
0 |
| VODI |
0 |
31 |
58 |
285 |
218 |
59 |
7 |
0 |
| ODI |
0 |
0 |
4 |
118 |
289 |
90 |
0 |
0 |
| CDI |
0 |
0 |
0 |
62 |
258 |
731 |
267 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
749 |
6392 |
3756 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78554 |
6844 |
186 |
357 |
52 |
0 |
0 |
0 |
| OW |
73 |
347 |
123 |
293 |
139 |
30 |
0 |
0 |
| VODI |
1 |
44 |
53 |
271 |
236 |
66 |
7 |
0 |
| ODI |
0 |
0 |
5 |
117 |
273 |
113 |
0 |
0 |
| CDI |
0 |
0 |
0 |
70 |
233 |
672 |
191 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
55 |
787 |
6468 |
3756 |
|
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 |
77516 |
7267 |
204 |
294 |
51 |
0 |
0 |
0 |
| OW |
73 |
479 |
151 |
365 |
181 |
44 |
0 |
0 |
| VODI |
20 |
66 |
62 |
311 |
201 |
123 |
4 |
0 |
| ODI |
0 |
2 |
4 |
141 |
213 |
142 |
0 |
0 |
| CDI |
0 |
0 |
0 |
59 |
255 |
765 |
190 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
44 |
810 |
6724 |
3655 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77494 |
7299 |
224 |
381 |
65 |
0 |
0 |
0 |
| OW |
74 |
436 |
118 |
279 |
182 |
50 |
0 |
0 |
| VODI |
41 |
77 |
74 |
302 |
211 |
109 |
4 |
0 |
| ODI |
0 |
2 |
5 |
140 |
190 |
176 |
0 |
0 |
| CDI |
0 |
0 |
0 |
68 |
251 |
734 |
175 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
46 |
815 |
6739 |
3655 |
|
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 |
77163 |
7152 |
247 |
260 |
30 |
0 |
0 |
0 |
| OW |
28 |
437 |
230 |
358 |
136 |
14 |
0 |
0 |
| VODI |
14 |
40 |
29 |
714 |
165 |
45 |
0 |
0 |
| ODI |
0 |
1 |
0 |
170 |
421 |
104 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
333 |
960 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
9 |
542 |
7146 |
3604 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77114 |
7015 |
279 |
335 |
35 |
0 |
0 |
0 |
| OW |
72 |
449 |
145 |
450 |
183 |
38 |
0 |
0 |
| VODI |
19 |
146 |
75 |
462 |
212 |
74 |
0 |
0 |
| ODI |
0 |
20 |
7 |
168 |
285 |
101 |
0 |
0 |
| CDI |
0 |
0 |
0 |
97 |
329 |
770 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
50 |
682 |
7149 |
3604 |
|
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 |
75405 |
8001 |
272 |
491 |
154 |
0 |
0 |
0 |
| OW |
21 |
305 |
171 |
379 |
334 |
15 |
0 |
0 |
| VODI |
0 |
57 |
48 |
391 |
464 |
35 |
0 |
0 |
| ODI |
0 |
0 |
6 |
134 |
497 |
88 |
0 |
0 |
| CDI |
0 |
0 |
0 |
44 |
439 |
826 |
14 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
24 |
1026 |
7139 |
3636 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75393 |
7822 |
245 |
418 |
160 |
0 |
0 |
0 |
| OW |
33 |
391 |
158 |
399 |
357 |
39 |
0 |
0 |
| VODI |
0 |
137 |
71 |
335 |
511 |
69 |
0 |
0 |
| ODI |
0 |
13 |
21 |
185 |
406 |
119 |
0 |
0 |
| CDI |
0 |
0 |
2 |
98 |
433 |
683 |
20 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
45 |
1080 |
7133 |
3636 |
|
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 |
74625 |
8293 |
258 |
459 |
84 |
0 |
0 |
0 |
| OW |
18 |
340 |
194 |
529 |
209 |
57 |
0 |
0 |
| VODI |
0 |
49 |
48 |
448 |
382 |
35 |
0 |
0 |
| ODI |
0 |
2 |
7 |
141 |
540 |
103 |
0 |
0 |
| CDI |
0 |
0 |
0 |
68 |
550 |
842 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
69 |
738 |
7429 |
3829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74616 |
8108 |
218 |
510 |
126 |
0 |
0 |
0 |
| OW |
27 |
418 |
197 |
308 |
286 |
95 |
0 |
0 |
| VODI |
0 |
142 |
77 |
478 |
374 |
87 |
0 |
0 |
| ODI |
0 |
16 |
10 |
270 |
448 |
135 |
0 |
0 |
| CDI |
0 |
0 |
5 |
74 |
514 |
669 |
81 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
86 |
789 |
7418 |
3829 |
|
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