Validation of sea ice concentration - European sector
Bulletin date: 2020-04-30
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2020-04-24:
| 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 |
69680 |
15289 |
261 |
1923 |
726 |
5 |
0 |
0 |
| OW |
63 |
159 |
45 |
342 |
544 |
49 |
3 |
0 |
| VODI |
0 |
4 |
14 |
243 |
617 |
155 |
17 |
0 |
| ODI |
0 |
0 |
0 |
105 |
457 |
374 |
52 |
0 |
| CDI |
0 |
0 |
0 |
67 |
667 |
1364 |
231 |
0 |
| VCDI |
0 |
0 |
0 |
20 |
606 |
3502 |
6029 |
5487 |
|
...date precedes bulletin
|
Date: 2020-04-26:
| 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 |
70107 |
15273 |
240 |
1932 |
678 |
14 |
0 |
0 |
| OW |
67 |
142 |
24 |
288 |
547 |
77 |
2 |
0 |
| VODI |
0 |
29 |
30 |
208 |
514 |
222 |
19 |
0 |
| ODI |
0 |
13 |
4 |
130 |
448 |
295 |
88 |
0 |
| CDI |
0 |
10 |
3 |
67 |
851 |
1241 |
258 |
0 |
| VCDI |
0 |
10 |
5 |
46 |
699 |
2862 |
5744 |
5913 |
|
...date precedes bulletin
|
Date: 2020-04-28:
| 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 |
69903 |
15320 |
253 |
1944 |
620 |
24 |
0 |
0 |
| OW |
65 |
75 |
43 |
391 |
515 |
46 |
0 |
0 |
| VODI |
0 |
23 |
5 |
191 |
788 |
157 |
3 |
0 |
| ODI |
0 |
8 |
2 |
35 |
830 |
554 |
25 |
0 |
| CDI |
0 |
5 |
1 |
12 |
712 |
1671 |
315 |
0 |
| VCDI |
0 |
0 |
0 |
29 |
131 |
2541 |
6375 |
5488 |
|
...date precedes bulletin
|
Date: 2020-04-30:
| 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 |
70309 |
15155 |
228 |
2050 |
624 |
10 |
0 |
0 |
| OW |
63 |
40 |
21 |
352 |
611 |
70 |
0 |
0 |
| VODI |
0 |
25 |
7 |
180 |
710 |
341 |
9 |
0 |
| ODI |
0 |
11 |
2 |
47 |
818 |
456 |
54 |
0 |
| CDI |
0 |
9 |
4 |
29 |
831 |
1535 |
477 |
0 |
| VCDI |
0 |
8 |
3 |
30 |
187 |
3651 |
7192 |
2951 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70308 |
15146 |
230 |
2109 |
688 |
19 |
0 |
0 |
| OW |
64 |
48 |
18 |
290 |
551 |
73 |
0 |
0 |
| VODI |
0 |
27 |
8 |
183 |
712 |
369 |
7 |
0 |
| ODI |
0 |
10 |
2 |
47 |
798 |
372 |
54 |
0 |
| CDI |
0 |
7 |
3 |
28 |
790 |
1553 |
404 |
0 |
| VCDI |
0 |
10 |
4 |
31 |
242 |
3677 |
7267 |
2951 |
|
Date: 2020-05-02:
| 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 |
70531 |
15162 |
247 |
1852 |
967 |
10 |
0 |
0 |
| OW |
63 |
21 |
20 |
212 |
686 |
163 |
0 |
0 |
| VODI |
0 |
9 |
3 |
99 |
604 |
485 |
20 |
0 |
| ODI |
0 |
18 |
4 |
30 |
555 |
692 |
52 |
0 |
| CDI |
0 |
12 |
4 |
25 |
445 |
1858 |
477 |
0 |
| VCDI |
0 |
8 |
2 |
37 |
149 |
2118 |
5070 |
6390 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70531 |
15143 |
246 |
1889 |
1062 |
27 |
0 |
0 |
| OW |
63 |
37 |
20 |
167 |
577 |
166 |
0 |
0 |
| VODI |
0 |
16 |
5 |
98 |
614 |
476 |
18 |
0 |
| ODI |
0 |
14 |
4 |
41 |
512 |
634 |
51 |
0 |
| CDI |
0 |
8 |
2 |
21 |
450 |
1858 |
444 |
0 |
| VCDI |
0 |
12 |
3 |
39 |
191 |
2165 |
5106 |
6390 |
|
Date: 2020-05-04:
| 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 |
71070 |
14997 |
233 |
1674 |
374 |
0 |
0 |
0 |
| OW |
65 |
56 |
44 |
452 |
392 |
2 |
0 |
0 |
| VODI |
0 |
0 |
1 |
219 |
822 |
57 |
3 |
0 |
| ODI |
0 |
0 |
0 |
40 |
1340 |
377 |
35 |
0 |
| CDI |
0 |
0 |
0 |
5 |
504 |
2229 |
209 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
2117 |
6497 |
5249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71072 |
14989 |
256 |
2004 |
790 |
9 |
2 |
0 |
| OW |
63 |
59 |
13 |
188 |
627 |
103 |
3 |
0 |
| VODI |
0 |
5 |
9 |
90 |
742 |
295 |
22 |
0 |
| ODI |
0 |
0 |
0 |
50 |
613 |
398 |
57 |
0 |
| CDI |
0 |
0 |
0 |
36 |
566 |
1535 |
332 |
0 |
| VCDI |
0 |
0 |
0 |
22 |
131 |
2442 |
6328 |
5249 |
|
Date: 2020-05-06:
| 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 |
71482 |
15180 |
242 |
1476 |
296 |
2 |
0 |
0 |
| OW |
64 |
57 |
29 |
470 |
417 |
7 |
2 |
0 |
| VODI |
0 |
13 |
7 |
262 |
858 |
100 |
15 |
0 |
| ODI |
0 |
0 |
0 |
67 |
1028 |
517 |
43 |
0 |
| CDI |
0 |
0 |
0 |
17 |
683 |
1593 |
230 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
149 |
2551 |
5294 |
5949 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
71483 |
15177 |
251 |
1706 |
771 |
23 |
14 |
0 |
| OW |
63 |
50 |
13 |
241 |
522 |
121 |
18 |
0 |
| VODI |
0 |
6 |
8 |
183 |
720 |
292 |
18 |
0 |
| ODI |
0 |
10 |
1 |
84 |
463 |
391 |
57 |
0 |
| CDI |
0 |
7 |
3 |
47 |
643 |
1597 |
398 |
0 |
| VCDI |
0 |
0 |
2 |
31 |
312 |
2346 |
5079 |
5949 |
|
Date: 2020-05-08:
| 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 |
72137 |
15117 |
233 |
1222 |
310 |
4 |
0 |
0 |
| OW |
63 |
76 |
34 |
424 |
437 |
14 |
0 |
0 |
| VODI |
0 |
27 |
15 |
246 |
803 |
225 |
20 |
0 |
| ODI |
0 |
4 |
6 |
104 |
712 |
513 |
40 |
0 |
| CDI |
0 |
0 |
0 |
32 |
611 |
1259 |
241 |
0 |
| VCDI |
0 |
0 |
0 |
2 |
318 |
2487 |
5390 |
5974 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
72138 |
14992 |
222 |
1344 |
696 |
93 |
5 |
0 |
| OW |
62 |
136 |
24 |
255 |
436 |
232 |
9 |
0 |
| VODI |
0 |
56 |
20 |
183 |
601 |
271 |
32 |
0 |
| ODI |
0 |
14 |
10 |
128 |
366 |
349 |
46 |
0 |
| CDI |
0 |
12 |
5 |
73 |
738 |
1385 |
623 |
0 |
| VCDI |
0 |
14 |
7 |
47 |
354 |
2172 |
4976 |
5974 |
|
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