Validation of sea ice concentration - European sector
Bulletin date: 2023-11-30
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2023-11-26:
| 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 |
73043 |
8743 |
203 |
353 |
112 |
0 |
0 |
0 |
| OW |
4 |
728 |
79 |
248 |
227 |
61 |
0 |
0 |
| VODI |
2 |
441 |
136 |
280 |
232 |
251 |
0 |
0 |
| ODI |
0 |
161 |
101 |
320 |
212 |
163 |
0 |
0 |
| CDI |
0 |
72 |
44 |
504 |
857 |
817 |
6 |
0 |
| VCDI |
0 |
19 |
21 |
98 |
276 |
2287 |
6164 |
3151 |
|
...date precedes bulletin
|
Date: 2023-11-28:
| 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 |
73196 |
8472 |
184 |
376 |
174 |
0 |
0 |
0 |
| OW |
2 |
985 |
124 |
285 |
153 |
37 |
0 |
0 |
| VODI |
0 |
270 |
146 |
471 |
172 |
73 |
0 |
0 |
| ODI |
0 |
48 |
57 |
425 |
522 |
205 |
0 |
0 |
| CDI |
0 |
25 |
17 |
217 |
1134 |
1391 |
41 |
0 |
| VCDI |
0 |
9 |
13 |
57 |
163 |
2781 |
5592 |
2599 |
|
...date precedes bulletin
|
Date: 2023-11-30:
| 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 |
73807 |
8087 |
146 |
239 |
168 |
38 |
0 |
0 |
| OW |
1 |
995 |
195 |
185 |
60 |
87 |
0 |
0 |
| VODI |
2 |
289 |
196 |
521 |
109 |
62 |
0 |
0 |
| ODI |
2 |
60 |
50 |
545 |
398 |
92 |
0 |
0 |
| CDI |
0 |
21 |
23 |
232 |
835 |
1107 |
140 |
0 |
| VCDI |
0 |
1 |
5 |
60 |
223 |
1155 |
6328 |
3952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73805 |
8168 |
164 |
261 |
168 |
35 |
0 |
0 |
| OW |
3 |
906 |
188 |
181 |
63 |
87 |
0 |
0 |
| VODI |
3 |
305 |
189 |
530 |
120 |
69 |
0 |
0 |
| ODI |
1 |
57 |
54 |
548 |
390 |
75 |
0 |
0 |
| CDI |
0 |
16 |
15 |
208 |
821 |
1098 |
120 |
0 |
| VCDI |
0 |
1 |
5 |
54 |
231 |
1177 |
6348 |
3952 |
|
Date: 2023-12-02:
| 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 |
73087 |
8600 |
179 |
354 |
226 |
58 |
0 |
0 |
| OW |
8 |
683 |
171 |
359 |
79 |
72 |
0 |
0 |
| VODI |
2 |
246 |
122 |
507 |
204 |
115 |
0 |
0 |
| ODI |
2 |
65 |
37 |
402 |
298 |
195 |
1 |
0 |
| CDI |
2 |
22 |
27 |
182 |
520 |
1076 |
174 |
0 |
| VCDI |
0 |
8 |
11 |
75 |
191 |
1059 |
5985 |
5012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73081 |
8630 |
213 |
397 |
216 |
58 |
0 |
0 |
| OW |
13 |
635 |
145 |
348 |
94 |
78 |
0 |
0 |
| VODI |
4 |
257 |
111 |
479 |
211 |
110 |
0 |
0 |
| ODI |
3 |
84 |
49 |
416 |
280 |
191 |
0 |
0 |
| CDI |
0 |
12 |
19 |
177 |
542 |
1058 |
159 |
0 |
| VCDI |
0 |
6 |
10 |
62 |
175 |
1080 |
6001 |
5012 |
|
Date: 2023-12-04:
| 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 |
72192 |
9465 |
244 |
321 |
147 |
9 |
0 |
0 |
| OW |
38 |
386 |
317 |
451 |
47 |
18 |
0 |
0 |
| VODI |
1 |
55 |
32 |
862 |
321 |
31 |
0 |
0 |
| ODI |
0 |
12 |
3 |
135 |
837 |
160 |
0 |
0 |
| CDI |
0 |
0 |
4 |
73 |
582 |
1415 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
52 |
1404 |
6938 |
3756 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72213 |
9211 |
271 |
425 |
170 |
16 |
0 |
0 |
| OW |
17 |
508 |
186 |
409 |
80 |
58 |
0 |
0 |
| VODI |
1 |
144 |
102 |
506 |
299 |
138 |
0 |
0 |
| ODI |
0 |
47 |
20 |
282 |
544 |
129 |
1 |
0 |
| CDI |
0 |
8 |
21 |
182 |
637 |
899 |
133 |
0 |
| VCDI |
0 |
0 |
0 |
40 |
256 |
1797 |
6910 |
3756 |
|
Date: 2023-12-06:
| 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 |
70553 |
10719 |
454 |
525 |
152 |
0 |
0 |
0 |
| OW |
59 |
290 |
182 |
602 |
131 |
3 |
0 |
0 |
| VODI |
0 |
44 |
39 |
497 |
417 |
53 |
0 |
0 |
| ODI |
0 |
16 |
5 |
170 |
523 |
229 |
0 |
0 |
| CDI |
0 |
10 |
6 |
100 |
530 |
991 |
156 |
0 |
| VCDI |
0 |
1 |
9 |
46 |
174 |
1593 |
7176 |
3961 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70608 |
10479 |
402 |
497 |
168 |
2 |
0 |
0 |
| OW |
4 |
413 |
155 |
428 |
138 |
48 |
0 |
0 |
| VODI |
0 |
130 |
85 |
463 |
289 |
182 |
0 |
0 |
| ODI |
0 |
40 |
23 |
258 |
519 |
228 |
1 |
0 |
| CDI |
0 |
13 |
16 |
229 |
464 |
681 |
244 |
0 |
| VCDI |
0 |
5 |
14 |
65 |
349 |
1728 |
7087 |
3961 |
|
Date: 2023-12-08:
| 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 |
70078 |
10767 |
465 |
647 |
123 |
25 |
0 |
0 |
| OW |
13 |
356 |
139 |
529 |
244 |
49 |
0 |
0 |
| VODI |
0 |
65 |
35 |
356 |
424 |
114 |
10 |
0 |
| ODI |
0 |
14 |
26 |
146 |
289 |
344 |
51 |
0 |
| CDI |
0 |
20 |
10 |
134 |
341 |
987 |
304 |
0 |
| VCDI |
0 |
20 |
20 |
129 |
306 |
1160 |
7049 |
4627 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70089 |
10549 |
386 |
562 |
78 |
37 |
0 |
0 |
| OW |
2 |
467 |
129 |
398 |
198 |
47 |
12 |
0 |
| VODI |
0 |
145 |
96 |
372 |
391 |
141 |
99 |
0 |
| ODI |
0 |
44 |
46 |
245 |
332 |
493 |
53 |
0 |
| CDI |
0 |
22 |
18 |
242 |
402 |
802 |
276 |
2 |
| VCDI |
0 |
15 |
20 |
122 |
326 |
1159 |
6974 |
4625 |
|
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