Validation of sea ice concentration - European sector
Bulletin date: 2020-12-24
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-12-18:
| 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 |
78339 |
11408 |
104 |
478 |
348 |
29 |
0 |
0 |
| OW |
63 |
475 |
37 |
154 |
359 |
64 |
1 |
0 |
| VODI |
0 |
290 |
24 |
242 |
275 |
87 |
22 |
0 |
| ODI |
0 |
76 |
24 |
209 |
289 |
155 |
24 |
0 |
| CDI |
0 |
17 |
14 |
141 |
384 |
331 |
42 |
0 |
| VCDI |
0 |
0 |
0 |
65 |
544 |
2075 |
6232 |
5679 |
|
...date precedes bulletin
|
Date: 2020-12-20:
| 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 |
78038 |
11457 |
91 |
406 |
326 |
86 |
1 |
0 |
| OW |
70 |
540 |
34 |
120 |
200 |
100 |
0 |
0 |
| VODI |
0 |
296 |
41 |
256 |
227 |
239 |
14 |
0 |
| ODI |
0 |
85 |
18 |
234 |
207 |
166 |
23 |
0 |
| CDI |
0 |
7 |
10 |
135 |
397 |
307 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
57 |
608 |
2335 |
6607 |
5331 |
|
...date precedes bulletin
|
Date: 2020-12-22:
| 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 |
77219 |
12570 |
107 |
441 |
162 |
28 |
8 |
0 |
| OW |
66 |
401 |
45 |
282 |
117 |
16 |
7 |
0 |
| VODI |
0 |
213 |
39 |
276 |
314 |
35 |
9 |
0 |
| ODI |
0 |
51 |
19 |
221 |
448 |
120 |
14 |
0 |
| CDI |
0 |
5 |
4 |
148 |
546 |
295 |
11 |
0 |
| VCDI |
0 |
0 |
0 |
64 |
524 |
2715 |
5953 |
5607 |
|
...date precedes bulletin
|
Date: 2020-12-24:
| 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 |
77981 |
11744 |
87 |
230 |
89 |
32 |
1 |
0 |
| OW |
65 |
545 |
42 |
240 |
77 |
17 |
1 |
0 |
| VODI |
0 |
336 |
43 |
352 |
203 |
35 |
1 |
0 |
| ODI |
0 |
122 |
28 |
213 |
419 |
79 |
0 |
0 |
| CDI |
0 |
81 |
15 |
187 |
539 |
221 |
9 |
0 |
| VCDI |
0 |
11 |
13 |
174 |
1167 |
3071 |
7452 |
3178 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77981 |
11745 |
92 |
257 |
96 |
36 |
1 |
0 |
| OW |
65 |
565 |
34 |
231 |
79 |
17 |
1 |
0 |
| VODI |
0 |
325 |
47 |
330 |
239 |
39 |
1 |
0 |
| ODI |
0 |
122 |
28 |
220 |
370 |
81 |
0 |
0 |
| CDI |
0 |
72 |
17 |
200 |
510 |
235 |
10 |
0 |
| VCDI |
0 |
10 |
10 |
158 |
1200 |
3047 |
7451 |
3178 |
|
Date: 2020-12-26:
| 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 |
77817 |
11894 |
69 |
254 |
110 |
36 |
15 |
0 |
| OW |
66 |
722 |
57 |
249 |
61 |
13 |
10 |
0 |
| VODI |
0 |
499 |
46 |
368 |
152 |
15 |
14 |
0 |
| ODI |
0 |
190 |
31 |
311 |
237 |
88 |
11 |
0 |
| CDI |
0 |
91 |
28 |
211 |
421 |
153 |
54 |
0 |
| VCDI |
0 |
126 |
15 |
262 |
1315 |
3706 |
5630 |
3753 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77818 |
11915 |
77 |
285 |
125 |
39 |
19 |
0 |
| OW |
65 |
696 |
48 |
220 |
55 |
11 |
8 |
0 |
| VODI |
0 |
517 |
45 |
346 |
162 |
23 |
12 |
0 |
| ODI |
0 |
180 |
31 |
293 |
193 |
96 |
16 |
0 |
| CDI |
0 |
96 |
29 |
222 |
351 |
163 |
62 |
0 |
| VCDI |
0 |
118 |
16 |
289 |
1410 |
3679 |
5617 |
3753 |
|
Date: 2020-12-28:
| 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 |
77320 |
12967 |
78 |
258 |
101 |
50 |
17 |
0 |
| OW |
64 |
571 |
61 |
327 |
61 |
7 |
7 |
0 |
| VODI |
0 |
271 |
59 |
458 |
282 |
18 |
9 |
0 |
| ODI |
0 |
143 |
19 |
275 |
410 |
46 |
8 |
0 |
| CDI |
0 |
94 |
21 |
171 |
560 |
298 |
58 |
0 |
| VCDI |
0 |
160 |
18 |
252 |
876 |
2617 |
5744 |
4344 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77319 |
12244 |
66 |
265 |
151 |
69 |
27 |
0 |
| OW |
65 |
804 |
39 |
214 |
103 |
10 |
14 |
0 |
| VODI |
0 |
585 |
63 |
313 |
211 |
46 |
11 |
0 |
| ODI |
0 |
229 |
33 |
279 |
177 |
111 |
27 |
0 |
| CDI |
0 |
161 |
24 |
283 |
363 |
166 |
62 |
0 |
| VCDI |
0 |
183 |
31 |
387 |
1285 |
2634 |
5702 |
4344 |
|
Date: 2020-12-30:
| 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 |
77419 |
12535 |
74 |
264 |
96 |
43 |
6 |
0 |
| OW |
73 |
692 |
66 |
236 |
79 |
9 |
2 |
0 |
| VODI |
0 |
320 |
62 |
490 |
188 |
18 |
0 |
0 |
| ODI |
0 |
106 |
23 |
399 |
299 |
50 |
0 |
0 |
| CDI |
0 |
88 |
9 |
254 |
576 |
352 |
5 |
0 |
| VCDI |
0 |
188 |
25 |
334 |
1330 |
2445 |
5599 |
4346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
77399 |
11741 |
65 |
240 |
138 |
65 |
8 |
0 |
| OW |
91 |
839 |
32 |
220 |
66 |
15 |
0 |
0 |
| VODI |
2 |
652 |
57 |
266 |
200 |
30 |
0 |
0 |
| ODI |
0 |
266 |
49 |
327 |
168 |
117 |
2 |
0 |
| CDI |
0 |
135 |
21 |
357 |
419 |
274 |
40 |
0 |
| VCDI |
0 |
296 |
35 |
567 |
1577 |
2416 |
5562 |
4346 |
|
Date: 2021-01-01:
| 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 |
78007 |
11479 |
87 |
249 |
127 |
52 |
0 |
0 |
| OW |
67 |
823 |
55 |
252 |
104 |
16 |
0 |
0 |
| VODI |
0 |
416 |
63 |
473 |
173 |
39 |
0 |
0 |
| ODI |
0 |
133 |
27 |
316 |
277 |
91 |
0 |
0 |
| CDI |
0 |
84 |
19 |
279 |
463 |
457 |
66 |
0 |
| VCDI |
0 |
158 |
21 |
410 |
1193 |
2905 |
8315 |
1404 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
78004 |
10839 |
70 |
210 |
156 |
80 |
0 |
0 |
| OW |
70 |
857 |
35 |
169 |
79 |
19 |
0 |
0 |
| VODI |
0 |
649 |
58 |
298 |
143 |
41 |
0 |
0 |
| ODI |
0 |
280 |
31 |
331 |
156 |
114 |
0 |
0 |
| CDI |
0 |
172 |
30 |
269 |
474 |
320 |
31 |
0 |
| VCDI |
0 |
296 |
48 |
702 |
1329 |
2986 |
8350 |
1404 |
|
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