Validation of sea ice concentration - European sector
Bulletin date: 2021-03-25
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-19:
| 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 |
68437 |
14470 |
129 |
490 |
228 |
41 |
0 |
0 |
| OW |
64 |
578 |
75 |
453 |
138 |
21 |
1 |
0 |
| VODI |
0 |
215 |
55 |
607 |
405 |
64 |
2 |
0 |
| ODI |
0 |
53 |
20 |
297 |
672 |
129 |
1 |
0 |
| CDI |
0 |
21 |
6 |
168 |
1001 |
768 |
84 |
0 |
| VCDI |
0 |
9 |
3 |
71 |
1103 |
4306 |
7788 |
6127 |
|
...date precedes bulletin
|
Date: 2021-03-21:
| 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 |
68142 |
14677 |
160 |
571 |
177 |
24 |
0 |
0 |
| OW |
54 |
502 |
76 |
503 |
216 |
5 |
0 |
0 |
| VODI |
0 |
283 |
30 |
467 |
508 |
33 |
0 |
0 |
| ODI |
0 |
135 |
21 |
239 |
591 |
206 |
1 |
0 |
| CDI |
0 |
59 |
15 |
179 |
815 |
1010 |
128 |
0 |
| VCDI |
0 |
54 |
4 |
247 |
1510 |
3931 |
9062 |
4465 |
|
...date precedes bulletin
|
Date: 2021-03-23:
| 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 |
67921 |
15079 |
180 |
658 |
212 |
13 |
0 |
0 |
| OW |
53 |
459 |
62 |
584 |
197 |
6 |
0 |
0 |
| VODI |
0 |
232 |
38 |
506 |
637 |
45 |
0 |
0 |
| ODI |
0 |
82 |
16 |
241 |
777 |
158 |
0 |
0 |
| CDI |
0 |
53 |
9 |
152 |
855 |
682 |
39 |
0 |
| VCDI |
0 |
78 |
7 |
211 |
1178 |
3784 |
7034 |
6862 |
|
...date precedes bulletin
|
Date: 2021-03-25:
| 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 |
67916 |
14968 |
170 |
738 |
240 |
7 |
0 |
0 |
| OW |
53 |
521 |
50 |
452 |
328 |
11 |
0 |
0 |
| VODI |
0 |
322 |
40 |
381 |
586 |
114 |
4 |
0 |
| ODI |
0 |
122 |
14 |
236 |
481 |
231 |
33 |
0 |
| CDI |
0 |
99 |
8 |
173 |
591 |
644 |
27 |
0 |
| VCDI |
0 |
124 |
18 |
349 |
1465 |
3661 |
7112 |
6811 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
67916 |
14978 |
174 |
847 |
277 |
9 |
0 |
0 |
| OW |
53 |
499 |
50 |
374 |
362 |
10 |
0 |
0 |
| VODI |
0 |
316 |
36 |
362 |
531 |
105 |
3 |
0 |
| ODI |
0 |
131 |
17 |
244 |
460 |
227 |
39 |
0 |
| CDI |
0 |
95 |
5 |
159 |
615 |
619 |
18 |
0 |
| VCDI |
0 |
137 |
18 |
343 |
1446 |
3698 |
7116 |
6811 |
|
Date: 2021-03-27:
| 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 |
68627 |
14622 |
145 |
610 |
226 |
17 |
0 |
0 |
| OW |
53 |
563 |
62 |
516 |
233 |
8 |
0 |
0 |
| VODI |
0 |
353 |
35 |
429 |
500 |
89 |
0 |
0 |
| ODI |
0 |
159 |
21 |
179 |
500 |
147 |
0 |
0 |
| CDI |
0 |
102 |
10 |
164 |
588 |
584 |
72 |
0 |
| VCDI |
0 |
86 |
15 |
286 |
1361 |
3534 |
7638 |
6566 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68627 |
14664 |
152 |
746 |
239 |
17 |
0 |
0 |
| OW |
53 |
494 |
52 |
448 |
223 |
3 |
0 |
0 |
| VODI |
0 |
354 |
37 |
353 |
502 |
81 |
0 |
0 |
| ODI |
0 |
168 |
19 |
181 |
497 |
148 |
0 |
0 |
| CDI |
0 |
129 |
12 |
147 |
579 |
569 |
63 |
0 |
| VCDI |
0 |
76 |
16 |
309 |
1368 |
3561 |
7647 |
6566 |
|
Date: 2021-03-29:
| 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 |
69700 |
14288 |
131 |
448 |
125 |
4 |
0 |
0 |
| OW |
52 |
575 |
69 |
433 |
199 |
13 |
0 |
0 |
| VODI |
0 |
357 |
40 |
463 |
562 |
76 |
0 |
0 |
| ODI |
0 |
131 |
12 |
250 |
868 |
177 |
17 |
0 |
| CDI |
0 |
118 |
10 |
239 |
789 |
980 |
76 |
0 |
| VCDI |
0 |
96 |
16 |
235 |
961 |
2899 |
7460 |
6231 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69699 |
13868 |
137 |
582 |
328 |
5 |
0 |
0 |
| OW |
53 |
537 |
45 |
270 |
358 |
21 |
0 |
0 |
| VODI |
0 |
375 |
29 |
289 |
523 |
98 |
0 |
0 |
| ODI |
0 |
230 |
18 |
190 |
401 |
201 |
16 |
0 |
| CDI |
0 |
204 |
13 |
183 |
515 |
774 |
127 |
0 |
| VCDI |
0 |
351 |
36 |
554 |
1379 |
3050 |
7410 |
6231 |
|
Date: 2021-03-31:
| 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 |
68834 |
14749 |
142 |
593 |
203 |
14 |
0 |
0 |
| OW |
52 |
640 |
47 |
468 |
204 |
3 |
0 |
0 |
| VODI |
0 |
429 |
44 |
456 |
541 |
61 |
0 |
0 |
| ODI |
0 |
256 |
17 |
176 |
699 |
147 |
0 |
0 |
| CDI |
0 |
171 |
21 |
186 |
842 |
1018 |
72 |
0 |
| VCDI |
0 |
109 |
17 |
423 |
1274 |
3310 |
7914 |
4968 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68834 |
14469 |
153 |
838 |
382 |
14 |
0 |
0 |
| OW |
52 |
579 |
39 |
309 |
345 |
18 |
0 |
0 |
| VODI |
0 |
373 |
21 |
310 |
504 |
104 |
0 |
0 |
| ODI |
0 |
229 |
24 |
157 |
467 |
186 |
1 |
0 |
| CDI |
0 |
249 |
15 |
144 |
680 |
730 |
50 |
0 |
| VCDI |
0 |
455 |
36 |
544 |
1385 |
3501 |
7935 |
4968 |
|
Date: 2021-04-02:
| 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 |
68195 |
14831 |
166 |
666 |
329 |
17 |
0 |
0 |
| OW |
52 |
606 |
61 |
482 |
267 |
14 |
0 |
0 |
| VODI |
0 |
349 |
33 |
570 |
564 |
103 |
0 |
0 |
| ODI |
0 |
155 |
23 |
291 |
706 |
218 |
0 |
0 |
| CDI |
0 |
126 |
19 |
223 |
827 |
1365 |
125 |
0 |
| VCDI |
0 |
74 |
17 |
303 |
1321 |
3051 |
7592 |
5359 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68195 |
14674 |
190 |
1052 |
625 |
63 |
0 |
0 |
| OW |
52 |
511 |
28 |
331 |
338 |
114 |
0 |
0 |
| VODI |
0 |
322 |
29 |
277 |
549 |
181 |
2 |
0 |
| ODI |
0 |
182 |
24 |
167 |
541 |
285 |
51 |
7 |
| CDI |
0 |
197 |
18 |
192 |
684 |
1168 |
229 |
2 |
| VCDI |
0 |
255 |
30 |
516 |
1277 |
2957 |
7435 |
5350 |
|
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