Validation of sea ice concentration - European sector
Bulletin date: 2023-11-16
Data source: OSI SAF N.H. multi-product 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 |
78431 |
6759 |
245 |
265 |
42 |
0 |
0 |
0 |
| OW |
103 |
346 |
168 |
312 |
147 |
47 |
0 |
0 |
| VODI |
21 |
30 |
47 |
323 |
189 |
91 |
1 |
0 |
| ODI |
0 |
1 |
1 |
126 |
250 |
98 |
0 |
0 |
| CDI |
0 |
0 |
0 |
43 |
245 |
702 |
229 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
35 |
817 |
6533 |
3769 |
|
...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 |
77271 |
7090 |
222 |
356 |
29 |
0 |
0 |
0 |
| OW |
35 |
447 |
171 |
471 |
170 |
40 |
0 |
0 |
| VODI |
14 |
139 |
64 |
421 |
179 |
104 |
4 |
0 |
| ODI |
0 |
17 |
10 |
154 |
269 |
119 |
0 |
0 |
| CDI |
0 |
0 |
0 |
76 |
306 |
733 |
44 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
52 |
632 |
6695 |
4082 |
|
...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 |
75842 |
8129 |
223 |
411 |
27 |
0 |
0 |
0 |
| OW |
6 |
354 |
191 |
486 |
150 |
3 |
0 |
0 |
| VODI |
0 |
54 |
51 |
596 |
305 |
32 |
0 |
0 |
| ODI |
0 |
0 |
2 |
124 |
410 |
102 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
379 |
899 |
56 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
28 |
652 |
7160 |
3715 |
|
...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 |
74628 |
8395 |
199 |
555 |
202 |
0 |
0 |
0 |
| OW |
26 |
284 |
163 |
384 |
389 |
43 |
0 |
0 |
| VODI |
0 |
40 |
33 |
376 |
502 |
33 |
0 |
0 |
| ODI |
0 |
1 |
7 |
97 |
577 |
114 |
0 |
0 |
| CDI |
0 |
0 |
0 |
47 |
478 |
840 |
70 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
41 |
1043 |
7244 |
3605 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74632 |
8381 |
213 |
540 |
226 |
0 |
0 |
0 |
| OW |
22 |
286 |
146 |
401 |
383 |
44 |
0 |
0 |
| VODI |
0 |
51 |
33 |
361 |
473 |
38 |
0 |
0 |
| ODI |
0 |
2 |
10 |
100 |
588 |
93 |
0 |
0 |
| CDI |
0 |
0 |
0 |
57 |
477 |
874 |
65 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
42 |
1024 |
7249 |
3605 |
|
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 |
74707 |
8186 |
242 |
339 |
61 |
0 |
0 |
0 |
| OW |
7 |
396 |
158 |
546 |
183 |
45 |
0 |
0 |
| VODI |
0 |
58 |
45 |
596 |
275 |
47 |
0 |
0 |
| ODI |
0 |
4 |
3 |
235 |
362 |
143 |
0 |
0 |
| CDI |
0 |
0 |
1 |
79 |
501 |
970 |
145 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
53 |
686 |
7331 |
4011 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
74709 |
8166 |
251 |
367 |
62 |
0 |
0 |
0 |
| OW |
5 |
409 |
150 |
536 |
198 |
49 |
0 |
0 |
| VODI |
0 |
65 |
42 |
556 |
262 |
36 |
0 |
0 |
| ODI |
0 |
4 |
4 |
252 |
367 |
138 |
0 |
0 |
| CDI |
0 |
0 |
2 |
84 |
490 |
980 |
163 |
0 |
| VCDI |
0 |
0 |
0 |
1 |
56 |
688 |
7313 |
4011 |
|
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 |
73977 |
8743 |
171 |
297 |
131 |
0 |
0 |
0 |
| OW |
13 |
425 |
252 |
313 |
103 |
26 |
0 |
0 |
| VODI |
0 |
20 |
53 |
925 |
215 |
88 |
0 |
0 |
| ODI |
0 |
1 |
5 |
204 |
710 |
45 |
0 |
0 |
| CDI |
0 |
0 |
0 |
50 |
432 |
1050 |
104 |
5 |
| VCDI |
0 |
0 |
0 |
7 |
38 |
619 |
6231 |
5163 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73976 |
8501 |
189 |
344 |
102 |
0 |
0 |
0 |
| OW |
14 |
529 |
153 |
432 |
179 |
91 |
0 |
0 |
| VODI |
0 |
135 |
113 |
539 |
211 |
45 |
0 |
0 |
| ODI |
0 |
16 |
16 |
324 |
381 |
77 |
0 |
0 |
| CDI |
0 |
8 |
9 |
133 |
657 |
868 |
188 |
2 |
| VCDI |
0 |
0 |
1 |
24 |
99 |
747 |
6147 |
5166 |
|
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 |
73550 |
8523 |
252 |
465 |
168 |
0 |
0 |
0 |
| OW |
20 |
581 |
131 |
284 |
162 |
36 |
0 |
0 |
| VODI |
0 |
195 |
161 |
489 |
339 |
88 |
3 |
0 |
| ODI |
0 |
11 |
30 |
379 |
408 |
39 |
7 |
0 |
| CDI |
0 |
11 |
17 |
124 |
1008 |
826 |
82 |
0 |
| VCDI |
0 |
1 |
10 |
57 |
286 |
2528 |
6236 |
2909 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73542 |
8194 |
256 |
474 |
170 |
0 |
0 |
0 |
| OW |
28 |
640 |
124 |
341 |
242 |
94 |
2 |
0 |
| VODI |
0 |
346 |
78 |
342 |
277 |
37 |
7 |
0 |
| ODI |
0 |
93 |
89 |
324 |
384 |
64 |
12 |
0 |
| CDI |
0 |
37 |
30 |
246 |
944 |
700 |
42 |
0 |
| VCDI |
0 |
12 |
24 |
71 |
354 |
2622 |
6265 |
2909 |
|
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 |
73798 |
8327 |
145 |
350 |
199 |
0 |
0 |
0 |
| OW |
4 |
796 |
85 |
167 |
193 |
37 |
0 |
0 |
| VODI |
0 |
436 |
168 |
300 |
264 |
110 |
12 |
0 |
| ODI |
0 |
143 |
121 |
309 |
176 |
102 |
2 |
0 |
| CDI |
0 |
50 |
41 |
551 |
924 |
559 |
0 |
0 |
| VCDI |
0 |
10 |
19 |
97 |
395 |
2478 |
6172 |
2876 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73802 |
7925 |
131 |
367 |
219 |
0 |
0 |
0 |
| OW |
0 |
821 |
93 |
185 |
263 |
97 |
13 |
0 |
| VODI |
0 |
544 |
121 |
245 |
198 |
75 |
1 |
0 |
| ODI |
0 |
314 |
86 |
260 |
216 |
119 |
0 |
0 |
| CDI |
0 |
117 |
113 |
522 |
749 |
513 |
1 |
0 |
| VCDI |
0 |
41 |
35 |
195 |
506 |
2482 |
6171 |
2876 |
|
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