Validation of sea ice concentration - European sector
Bulletin date: 2020-12-31
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-25:
| 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 |
77262 |
12365 |
100 |
299 |
109 |
26 |
8 |
0 |
| OW |
65 |
654 |
45 |
241 |
63 |
12 |
8 |
0 |
| VODI |
0 |
405 |
43 |
382 |
155 |
19 |
9 |
0 |
| ODI |
0 |
146 |
33 |
295 |
292 |
68 |
8 |
0 |
| CDI |
0 |
72 |
14 |
218 |
497 |
180 |
5 |
0 |
| VCDI |
0 |
63 |
14 |
212 |
1290 |
3970 |
6528 |
2925 |
|
...date precedes bulletin
|
Date: 2020-12-27:
| 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 |
78174 |
11567 |
53 |
253 |
111 |
58 |
24 |
0 |
| OW |
68 |
813 |
41 |
197 |
105 |
16 |
10 |
0 |
| VODI |
0 |
583 |
47 |
306 |
216 |
18 |
12 |
0 |
| ODI |
0 |
224 |
46 |
281 |
206 |
102 |
8 |
0 |
| CDI |
0 |
145 |
37 |
231 |
376 |
139 |
53 |
0 |
| VCDI |
0 |
169 |
27 |
291 |
1319 |
2458 |
5977 |
4339 |
|
...date precedes bulletin
|
Date: 2020-12-29:
| 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 |
77147 |
13015 |
79 |
298 |
111 |
38 |
5 |
0 |
| OW |
65 |
552 |
59 |
316 |
81 |
6 |
6 |
0 |
| VODI |
0 |
271 |
55 |
438 |
250 |
15 |
7 |
0 |
| ODI |
0 |
139 |
23 |
325 |
328 |
55 |
6 |
0 |
| CDI |
0 |
86 |
15 |
198 |
556 |
384 |
67 |
0 |
| VCDI |
0 |
151 |
21 |
287 |
1174 |
2333 |
5686 |
4452 |
|
...date precedes bulletin
|
Date: 2020-12-31:
| 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 |
76998 |
12681 |
98 |
269 |
114 |
61 |
11 |
0 |
| OW |
67 |
752 |
57 |
271 |
61 |
7 |
8 |
0 |
| VODI |
0 |
370 |
57 |
494 |
142 |
25 |
8 |
0 |
| ODI |
0 |
128 |
22 |
349 |
267 |
67 |
9 |
0 |
| CDI |
0 |
88 |
9 |
264 |
560 |
372 |
68 |
0 |
| VCDI |
0 |
183 |
32 |
365 |
1333 |
2348 |
5643 |
4442 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76998 |
12787 |
102 |
299 |
116 |
62 |
12 |
0 |
| OW |
67 |
683 |
64 |
305 |
61 |
8 |
10 |
0 |
| VODI |
0 |
355 |
46 |
508 |
154 |
29 |
8 |
0 |
| ODI |
0 |
124 |
21 |
293 |
268 |
64 |
6 |
0 |
| CDI |
0 |
88 |
12 |
243 |
539 |
352 |
44 |
0 |
| VCDI |
0 |
165 |
30 |
364 |
1339 |
2365 |
5667 |
4442 |
|
Date: 2021-01-02:
| 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 |
77434 |
11812 |
96 |
329 |
138 |
43 |
0 |
0 |
| OW |
67 |
786 |
61 |
294 |
125 |
11 |
0 |
0 |
| VODI |
0 |
470 |
49 |
471 |
229 |
55 |
0 |
0 |
| ODI |
0 |
120 |
24 |
300 |
295 |
107 |
0 |
0 |
| CDI |
0 |
88 |
13 |
250 |
481 |
422 |
47 |
2 |
| VCDI |
0 |
195 |
24 |
403 |
1300 |
2905 |
8502 |
1152 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77434 |
11847 |
103 |
343 |
133 |
44 |
0 |
0 |
| OW |
67 |
775 |
51 |
291 |
133 |
13 |
0 |
0 |
| VODI |
0 |
462 |
51 |
478 |
237 |
49 |
0 |
0 |
| ODI |
0 |
120 |
26 |
285 |
274 |
101 |
0 |
0 |
| CDI |
0 |
87 |
10 |
227 |
464 |
405 |
58 |
6 |
| VCDI |
0 |
180 |
26 |
423 |
1327 |
2931 |
8491 |
1148 |
|
Date: 2021-01-04:
| 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 |
76486 |
13346 |
139 |
396 |
118 |
23 |
0 |
0 |
| OW |
65 |
463 |
77 |
500 |
122 |
5 |
0 |
0 |
| VODI |
0 |
173 |
53 |
624 |
303 |
15 |
0 |
0 |
| ODI |
0 |
62 |
9 |
269 |
438 |
65 |
0 |
0 |
| CDI |
0 |
59 |
9 |
137 |
673 |
659 |
12 |
0 |
| VCDI |
0 |
84 |
11 |
193 |
929 |
2714 |
8013 |
1856 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76480 |
12135 |
111 |
387 |
207 |
31 |
0 |
0 |
| OW |
71 |
878 |
68 |
346 |
132 |
19 |
0 |
0 |
| VODI |
0 |
614 |
48 |
445 |
252 |
64 |
0 |
0 |
| ODI |
0 |
195 |
30 |
281 |
297 |
129 |
0 |
0 |
| CDI |
0 |
99 |
12 |
219 |
476 |
445 |
7 |
0 |
| VCDI |
0 |
266 |
29 |
441 |
1219 |
2793 |
8018 |
1856 |
|
Date: 2021-01-06:
| 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 |
75645 |
13268 |
153 |
551 |
186 |
38 |
0 |
0 |
| OW |
65 |
455 |
67 |
540 |
189 |
15 |
0 |
0 |
| VODI |
0 |
203 |
35 |
527 |
475 |
56 |
0 |
0 |
| ODI |
0 |
56 |
17 |
210 |
437 |
133 |
0 |
0 |
| CDI |
0 |
41 |
15 |
147 |
596 |
577 |
15 |
0 |
| VCDI |
0 |
15 |
5 |
152 |
1139 |
3005 |
7541 |
2531 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
75643 |
12240 |
126 |
534 |
247 |
65 |
0 |
0 |
| OW |
67 |
654 |
70 |
356 |
188 |
38 |
0 |
0 |
| VODI |
0 |
649 |
35 |
405 |
374 |
110 |
0 |
0 |
| ODI |
0 |
282 |
30 |
312 |
348 |
149 |
0 |
0 |
| CDI |
0 |
97 |
14 |
209 |
511 |
445 |
10 |
0 |
| VCDI |
0 |
116 |
17 |
311 |
1354 |
3017 |
7546 |
2531 |
|
Date: 2021-01-08:
| 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 |
76005 |
12853 |
119 |
470 |
139 |
39 |
0 |
0 |
| OW |
67 |
521 |
68 |
429 |
128 |
12 |
0 |
0 |
| VODI |
0 |
231 |
41 |
622 |
351 |
36 |
0 |
0 |
| ODI |
0 |
108 |
17 |
247 |
357 |
88 |
0 |
0 |
| CDI |
0 |
57 |
12 |
173 |
455 |
230 |
0 |
0 |
| VCDI |
0 |
20 |
7 |
147 |
1131 |
4028 |
6821 |
3071 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
76005 |
12160 |
105 |
459 |
212 |
63 |
0 |
0 |
| OW |
67 |
714 |
49 |
250 |
124 |
28 |
0 |
0 |
| VODI |
0 |
643 |
62 |
385 |
305 |
50 |
0 |
0 |
| ODI |
0 |
157 |
26 |
489 |
314 |
120 |
0 |
0 |
| CDI |
0 |
64 |
12 |
290 |
491 |
244 |
9 |
0 |
| VCDI |
0 |
52 |
10 |
215 |
1115 |
3928 |
6812 |
3071 |
|
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