Validation of sea ice concentration - European sector
Bulletin date: 2021-05-13
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-05-07:
| 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 |
72454 |
15059 |
183 |
918 |
318 |
91 |
20 |
0 |
| OW |
65 |
241 |
41 |
567 |
276 |
33 |
25 |
0 |
| VODI |
0 |
73 |
18 |
299 |
565 |
69 |
41 |
0 |
| ODI |
0 |
7 |
4 |
153 |
512 |
196 |
66 |
0 |
| CDI |
0 |
2 |
0 |
35 |
683 |
1682 |
782 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
133 |
1424 |
5387 |
6678 |
|
...date precedes bulletin
|
Date: 2021-05-09:
| 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 |
72606 |
15115 |
199 |
862 |
324 |
97 |
4 |
0 |
| OW |
63 |
301 |
35 |
478 |
273 |
51 |
13 |
0 |
| VODI |
0 |
73 |
29 |
303 |
526 |
87 |
28 |
0 |
| ODI |
0 |
9 |
5 |
158 |
561 |
168 |
70 |
0 |
| CDI |
0 |
2 |
1 |
26 |
837 |
1946 |
617 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
250 |
2345 |
4657 |
5979 |
|
...date precedes bulletin
|
Date: 2021-05-11:
| 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 |
72877 |
15127 |
180 |
821 |
317 |
68 |
0 |
0 |
| OW |
63 |
222 |
47 |
470 |
194 |
55 |
0 |
0 |
| VODI |
0 |
41 |
26 |
367 |
502 |
80 |
0 |
0 |
| ODI |
0 |
4 |
1 |
156 |
674 |
156 |
6 |
0 |
| CDI |
0 |
8 |
2 |
40 |
957 |
2130 |
356 |
0 |
| VCDI |
0 |
4 |
4 |
41 |
304 |
2400 |
5042 |
5358 |
|
...date precedes bulletin
|
Date: 2021-05-13:
| 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 |
72583 |
15156 |
194 |
1094 |
393 |
87 |
0 |
0 |
| OW |
62 |
145 |
31 |
411 |
290 |
70 |
7 |
0 |
| VODI |
0 |
27 |
13 |
291 |
507 |
86 |
16 |
0 |
| ODI |
0 |
9 |
4 |
163 |
635 |
219 |
33 |
0 |
| CDI |
0 |
18 |
3 |
73 |
1271 |
1884 |
452 |
0 |
| VCDI |
0 |
20 |
7 |
53 |
264 |
3592 |
5363 |
3574 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72583 |
15117 |
189 |
1054 |
405 |
90 |
0 |
0 |
| OW |
62 |
181 |
36 |
431 |
270 |
78 |
6 |
0 |
| VODI |
0 |
30 |
14 |
304 |
503 |
77 |
17 |
0 |
| ODI |
0 |
11 |
3 |
172 |
614 |
209 |
35 |
0 |
| CDI |
0 |
17 |
3 |
73 |
1318 |
1919 |
424 |
0 |
| VCDI |
0 |
19 |
7 |
51 |
250 |
3565 |
5389 |
3574 |
|
Date: 2021-05-15:
| 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 |
72526 |
15200 |
201 |
1198 |
337 |
110 |
0 |
0 |
| OW |
62 |
124 |
25 |
382 |
377 |
77 |
3 |
0 |
| VODI |
0 |
27 |
12 |
249 |
590 |
77 |
20 |
0 |
| ODI |
0 |
2 |
2 |
155 |
645 |
320 |
46 |
0 |
| CDI |
0 |
18 |
6 |
92 |
1375 |
1820 |
381 |
0 |
| VCDI |
0 |
0 |
0 |
99 |
332 |
3137 |
5559 |
3514 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72526 |
15174 |
191 |
1154 |
374 |
112 |
0 |
0 |
| OW |
62 |
143 |
35 |
410 |
339 |
74 |
3 |
0 |
| VODI |
0 |
33 |
12 |
267 |
593 |
81 |
21 |
0 |
| ODI |
0 |
5 |
1 |
155 |
639 |
293 |
34 |
0 |
| CDI |
0 |
16 |
7 |
101 |
1388 |
1799 |
416 |
0 |
| VCDI |
0 |
0 |
0 |
88 |
323 |
3182 |
5535 |
3514 |
|
Date: 2021-05-17:
| 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 |
73102 |
14601 |
200 |
1070 |
428 |
104 |
0 |
0 |
| OW |
61 |
102 |
55 |
458 |
210 |
64 |
2 |
0 |
| VODI |
0 |
7 |
3 |
448 |
514 |
65 |
8 |
0 |
| ODI |
0 |
0 |
0 |
126 |
1097 |
164 |
10 |
0 |
| CDI |
0 |
0 |
0 |
21 |
1548 |
2466 |
234 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
138 |
2467 |
5161 |
4166 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73102 |
14535 |
204 |
1165 |
545 |
143 |
1 |
0 |
| OW |
61 |
138 |
41 |
382 |
346 |
77 |
7 |
0 |
| VODI |
0 |
37 |
11 |
284 |
560 |
123 |
13 |
0 |
| ODI |
0 |
0 |
2 |
156 |
626 |
327 |
57 |
0 |
| CDI |
0 |
0 |
0 |
123 |
1490 |
1766 |
490 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
368 |
2894 |
4847 |
4166 |
|
Date: 2021-05-19:
| 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 |
73549 |
14472 |
208 |
1036 |
404 |
111 |
13 |
0 |
| OW |
61 |
82 |
31 |
554 |
246 |
50 |
12 |
0 |
| VODI |
0 |
6 |
5 |
391 |
658 |
65 |
17 |
0 |
| ODI |
0 |
0 |
0 |
93 |
1008 |
350 |
27 |
0 |
| CDI |
0 |
0 |
0 |
42 |
1559 |
2188 |
443 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
126 |
1670 |
5428 |
4191 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
73549 |
14387 |
202 |
1133 |
532 |
148 |
23 |
0 |
| OW |
61 |
118 |
31 |
402 |
343 |
72 |
18 |
0 |
| VODI |
0 |
44 |
6 |
286 |
571 |
164 |
31 |
0 |
| ODI |
0 |
11 |
5 |
156 |
622 |
356 |
67 |
0 |
| CDI |
0 |
0 |
0 |
137 |
1586 |
1580 |
512 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
347 |
2114 |
5289 |
4191 |
|
Date: 2021-05-21:
| 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 |
72527 |
15561 |
198 |
1076 |
360 |
113 |
0 |
0 |
| OW |
60 |
161 |
36 |
513 |
252 |
65 |
2 |
0 |
| VODI |
0 |
39 |
15 |
350 |
633 |
129 |
11 |
0 |
| ODI |
0 |
1 |
1 |
225 |
935 |
359 |
17 |
0 |
| CDI |
0 |
0 |
0 |
70 |
1622 |
1986 |
469 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
217 |
1931 |
5125 |
4034 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72527 |
15481 |
207 |
1230 |
497 |
193 |
3 |
0 |
| OW |
60 |
131 |
25 |
412 |
323 |
94 |
10 |
0 |
| VODI |
0 |
86 |
8 |
204 |
637 |
179 |
14 |
0 |
| ODI |
0 |
62 |
9 |
142 |
640 |
361 |
102 |
0 |
| CDI |
0 |
2 |
1 |
242 |
1621 |
1603 |
476 |
4 |
| VCDI |
0 |
0 |
0 |
11 |
301 |
2153 |
5019 |
4030 |
|
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