Validation of sea ice concentration - European sector
Bulletin date: 2021-04-01
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-03-26:
| 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 |
68095 |
14905 |
153 |
709 |
250 |
11 |
0 |
0 |
| OW |
53 |
549 |
57 |
513 |
281 |
12 |
0 |
0 |
| VODI |
0 |
326 |
42 |
423 |
517 |
83 |
0 |
0 |
| ODI |
0 |
130 |
15 |
231 |
477 |
147 |
11 |
0 |
| CDI |
0 |
105 |
10 |
184 |
561 |
526 |
61 |
0 |
| VCDI |
0 |
58 |
17 |
306 |
1482 |
3652 |
7377 |
6771 |
|
...date precedes bulletin
|
Date: 2021-03-28:
| 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 |
69772 |
13784 |
129 |
469 |
191 |
2 |
0 |
0 |
| OW |
53 |
622 |
58 |
423 |
233 |
36 |
0 |
0 |
| VODI |
0 |
378 |
52 |
396 |
476 |
124 |
0 |
0 |
| ODI |
0 |
174 |
19 |
220 |
465 |
148 |
17 |
0 |
| CDI |
0 |
121 |
11 |
202 |
512 |
577 |
171 |
0 |
| VCDI |
0 |
205 |
21 |
368 |
1332 |
3117 |
7572 |
6650 |
|
...date precedes bulletin
|
Date: 2021-03-30:
| 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 |
69047 |
14784 |
132 |
513 |
162 |
14 |
0 |
0 |
| OW |
52 |
650 |
68 |
444 |
172 |
3 |
0 |
0 |
| VODI |
0 |
402 |
49 |
544 |
432 |
32 |
0 |
0 |
| ODI |
0 |
207 |
18 |
292 |
705 |
134 |
0 |
0 |
| CDI |
0 |
139 |
17 |
251 |
772 |
821 |
34 |
0 |
| VCDI |
0 |
132 |
16 |
363 |
1284 |
3177 |
7155 |
6083 |
|
...date precedes bulletin
|
Date: 2021-04-01:
| 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 |
68488 |
14722 |
153 |
662 |
276 |
19 |
0 |
0 |
| OW |
52 |
667 |
39 |
438 |
239 |
7 |
0 |
0 |
| VODI |
0 |
434 |
43 |
519 |
553 |
50 |
0 |
0 |
| ODI |
0 |
182 |
18 |
292 |
744 |
207 |
0 |
0 |
| CDI |
0 |
143 |
17 |
297 |
831 |
1280 |
178 |
0 |
| VCDI |
0 |
77 |
15 |
396 |
1335 |
3047 |
7519 |
5161 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68488 |
15183 |
174 |
861 |
309 |
19 |
0 |
0 |
| OW |
52 |
465 |
40 |
522 |
297 |
4 |
0 |
0 |
| VODI |
0 |
266 |
33 |
449 |
799 |
55 |
0 |
0 |
| ODI |
0 |
133 |
11 |
244 |
601 |
251 |
1 |
0 |
| CDI |
0 |
121 |
17 |
224 |
780 |
1432 |
222 |
0 |
| VCDI |
0 |
57 |
10 |
304 |
1192 |
2849 |
7474 |
5161 |
|
Date: 2021-04-03:
| 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 |
68267 |
14650 |
149 |
676 |
314 |
15 |
0 |
0 |
| OW |
53 |
713 |
74 |
415 |
304 |
19 |
0 |
0 |
| VODI |
0 |
390 |
35 |
580 |
565 |
104 |
0 |
0 |
| ODI |
0 |
163 |
28 |
351 |
589 |
235 |
0 |
0 |
| CDI |
0 |
114 |
18 |
271 |
733 |
1284 |
106 |
0 |
| VCDI |
0 |
102 |
20 |
373 |
1350 |
3083 |
6927 |
6030 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68267 |
15125 |
190 |
925 |
393 |
15 |
0 |
0 |
| OW |
53 |
476 |
55 |
588 |
380 |
14 |
0 |
0 |
| VODI |
0 |
246 |
27 |
474 |
694 |
112 |
0 |
0 |
| ODI |
0 |
110 |
23 |
216 |
515 |
336 |
2 |
0 |
| CDI |
0 |
97 |
12 |
189 |
648 |
1376 |
176 |
0 |
| VCDI |
0 |
78 |
17 |
274 |
1225 |
2887 |
6855 |
6030 |
|
Date: 2021-04-05:
| 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 |
68895 |
14946 |
149 |
662 |
222 |
8 |
0 |
0 |
| OW |
61 |
794 |
63 |
492 |
241 |
14 |
0 |
0 |
| VODI |
0 |
418 |
49 |
633 |
593 |
75 |
2 |
0 |
| ODI |
0 |
153 |
16 |
249 |
691 |
231 |
9 |
0 |
| CDI |
0 |
58 |
14 |
291 |
713 |
1164 |
112 |
0 |
| VCDI |
0 |
41 |
10 |
218 |
1019 |
3127 |
7402 |
5265 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68895 |
14804 |
169 |
883 |
376 |
12 |
0 |
0 |
| OW |
61 |
646 |
66 |
520 |
292 |
42 |
0 |
0 |
| VODI |
0 |
351 |
17 |
363 |
557 |
135 |
7 |
0 |
| ODI |
0 |
201 |
16 |
137 |
510 |
277 |
28 |
0 |
| CDI |
0 |
137 |
7 |
166 |
535 |
1147 |
202 |
0 |
| VCDI |
0 |
271 |
26 |
476 |
1209 |
3006 |
7288 |
5265 |
|
Date: 2021-04-07:
| 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 |
68994 |
15127 |
179 |
920 |
240 |
14 |
0 |
0 |
| OW |
60 |
588 |
53 |
411 |
237 |
15 |
0 |
0 |
| VODI |
0 |
427 |
24 |
397 |
544 |
119 |
0 |
0 |
| ODI |
0 |
206 |
24 |
237 |
558 |
202 |
7 |
0 |
| CDI |
0 |
186 |
17 |
201 |
657 |
800 |
124 |
0 |
| VCDI |
0 |
45 |
29 |
454 |
1031 |
3522 |
6505 |
5946 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
68993 |
14772 |
176 |
914 |
346 |
34 |
0 |
0 |
| OW |
61 |
629 |
59 |
474 |
245 |
47 |
0 |
0 |
| VODI |
0 |
456 |
25 |
350 |
564 |
121 |
0 |
0 |
| ODI |
0 |
271 |
13 |
172 |
510 |
275 |
42 |
0 |
| CDI |
0 |
207 |
20 |
172 |
513 |
850 |
142 |
0 |
| VCDI |
0 |
244 |
33 |
538 |
1089 |
3345 |
6452 |
5946 |
|
Date: 2021-04-09:
| 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 |
69406 |
15172 |
187 |
900 |
295 |
12 |
0 |
0 |
| OW |
60 |
634 |
34 |
397 |
350 |
11 |
0 |
0 |
| VODI |
0 |
494 |
27 |
282 |
664 |
20 |
0 |
0 |
| ODI |
0 |
275 |
24 |
182 |
557 |
205 |
2 |
0 |
| CDI |
0 |
206 |
12 |
178 |
511 |
1236 |
135 |
0 |
| VCDI |
0 |
401 |
61 |
527 |
985 |
3423 |
5529 |
5706 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
69406 |
14720 |
178 |
890 |
395 |
20 |
0 |
0 |
| OW |
60 |
690 |
43 |
423 |
315 |
4 |
0 |
0 |
| VODI |
0 |
476 |
26 |
253 |
634 |
38 |
0 |
0 |
| ODI |
0 |
335 |
12 |
147 |
501 |
289 |
4 |
0 |
| CDI |
0 |
302 |
20 |
157 |
470 |
1043 |
120 |
0 |
| VCDI |
0 |
659 |
66 |
596 |
1047 |
3513 |
5542 |
5706 |
|
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