Validation of sea ice concentration - European sector
Bulletin date: 2023-10-26
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-10-20:
| 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 |
81814 |
5935 |
196 |
241 |
3 |
0 |
0 |
0 |
| OW |
0 |
203 |
85 |
212 |
20 |
0 |
0 |
0 |
| VODI |
0 |
71 |
47 |
270 |
69 |
0 |
0 |
0 |
| ODI |
0 |
34 |
14 |
168 |
260 |
14 |
0 |
0 |
| CDI |
0 |
5 |
14 |
174 |
611 |
433 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
150 |
2782 |
4866 |
1712 |
|
...date precedes bulletin
|
Date: 2023-10-22:
| 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 |
83555 |
4160 |
50 |
44 |
3 |
0 |
0 |
0 |
| OW |
0 |
365 |
76 |
113 |
19 |
0 |
0 |
0 |
| VODI |
0 |
223 |
73 |
196 |
47 |
2 |
0 |
0 |
| ODI |
0 |
133 |
53 |
225 |
133 |
38 |
0 |
0 |
| CDI |
0 |
69 |
56 |
172 |
548 |
472 |
1 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
104 |
1875 |
5902 |
1709 |
|
...date precedes bulletin
|
Date: 2023-10-24:
| 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 |
83306 |
4477 |
80 |
56 |
8 |
0 |
0 |
0 |
| OW |
0 |
499 |
163 |
288 |
34 |
0 |
0 |
0 |
| VODI |
0 |
47 |
59 |
368 |
84 |
0 |
0 |
0 |
| ODI |
0 |
6 |
9 |
157 |
251 |
26 |
0 |
0 |
| CDI |
0 |
0 |
0 |
29 |
449 |
785 |
16 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
34 |
1708 |
5804 |
1673 |
|
...date precedes bulletin
|
Date: 2023-10-26:
| 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 |
82807 |
4744 |
104 |
138 |
24 |
1 |
0 |
0 |
| OW |
2 |
413 |
144 |
292 |
65 |
11 |
0 |
0 |
| VODI |
0 |
39 |
45 |
345 |
93 |
5 |
0 |
0 |
| ODI |
0 |
7 |
15 |
230 |
148 |
44 |
0 |
0 |
| CDI |
0 |
0 |
1 |
61 |
515 |
605 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
99 |
1592 |
3950 |
3667 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82805 |
4774 |
114 |
178 |
35 |
5 |
0 |
0 |
| OW |
4 |
384 |
137 |
258 |
56 |
7 |
0 |
0 |
| VODI |
0 |
38 |
42 |
355 |
87 |
13 |
0 |
0 |
| ODI |
0 |
7 |
16 |
216 |
151 |
35 |
0 |
0 |
| CDI |
0 |
0 |
0 |
59 |
517 |
618 |
225 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
98 |
1580 |
3935 |
3667 |
|
Date: 2023-10-28:
| 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 |
82615 |
4665 |
113 |
110 |
32 |
0 |
0 |
0 |
| OW |
2 |
424 |
153 |
297 |
81 |
0 |
0 |
0 |
| VODI |
0 |
41 |
43 |
297 |
91 |
10 |
0 |
0 |
| ODI |
0 |
9 |
11 |
255 |
171 |
33 |
1 |
0 |
| CDI |
0 |
0 |
6 |
89 |
359 |
485 |
257 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
151 |
1372 |
4536 |
3695 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82612 |
4694 |
132 |
145 |
38 |
0 |
0 |
0 |
| OW |
5 |
400 |
134 |
297 |
75 |
1 |
0 |
0 |
| VODI |
0 |
39 |
41 |
289 |
99 |
15 |
0 |
0 |
| ODI |
0 |
6 |
14 |
231 |
159 |
34 |
0 |
0 |
| CDI |
0 |
0 |
5 |
86 |
374 |
485 |
293 |
0 |
| VCDI |
0 |
0 |
0 |
12 |
140 |
1365 |
4501 |
3695 |
|
Date: 2023-10-30:
| 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 |
82074 |
5079 |
130 |
132 |
42 |
6 |
0 |
0 |
| OW |
5 |
308 |
145 |
257 |
93 |
1 |
0 |
0 |
| VODI |
0 |
11 |
42 |
487 |
186 |
6 |
0 |
0 |
| ODI |
0 |
0 |
3 |
219 |
315 |
87 |
0 |
0 |
| CDI |
0 |
0 |
0 |
10 |
328 |
547 |
70 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
788 |
6033 |
2943 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
82039 |
4754 |
137 |
163 |
41 |
6 |
0 |
0 |
| OW |
39 |
554 |
85 |
265 |
131 |
4 |
0 |
0 |
| VODI |
1 |
70 |
65 |
233 |
152 |
31 |
0 |
0 |
| ODI |
0 |
19 |
23 |
255 |
111 |
50 |
13 |
0 |
| CDI |
0 |
1 |
10 |
183 |
379 |
433 |
356 |
6 |
| VCDI |
0 |
0 |
0 |
6 |
217 |
911 |
5734 |
2939 |
|
Date: 2023-11-01:
| 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 |
81342 |
5453 |
183 |
145 |
32 |
24 |
0 |
0 |
| OW |
10 |
295 |
165 |
287 |
81 |
19 |
0 |
0 |
| VODI |
0 |
58 |
49 |
414 |
145 |
15 |
0 |
0 |
| ODI |
0 |
4 |
12 |
243 |
226 |
61 |
0 |
0 |
| CDI |
0 |
0 |
0 |
71 |
347 |
403 |
98 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
87 |
792 |
6315 |
3040 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
81323 |
5028 |
164 |
144 |
17 |
22 |
0 |
0 |
| OW |
28 |
588 |
112 |
319 |
105 |
20 |
0 |
0 |
| VODI |
1 |
129 |
85 |
228 |
132 |
49 |
6 |
0 |
| ODI |
0 |
55 |
25 |
215 |
130 |
46 |
16 |
0 |
| CDI |
0 |
10 |
23 |
225 |
361 |
382 |
415 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
173 |
795 |
5976 |
3040 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
80817 |
5237 |
135 |
239 |
6 |
19 |
0 |
0 |
| OW |
20 |
523 |
88 |
272 |
182 |
54 |
0 |
0 |
| VODI |
2 |
104 |
83 |
221 |
168 |
55 |
0 |
0 |
| ODI |
0 |
20 |
22 |
170 |
213 |
55 |
6 |
0 |
| CDI |
0 |
0 |
2 |
103 |
499 |
298 |
246 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
136 |
762 |
5164 |
4495 |
|
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